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2015 Atlantic usercane season
Season summary map
Seasonal boundaries
First system formedJanuary 18
Last system dissipatedCurrently Active
Strongest storm
 • Maximum winds255 mph (405 km/h)
 • Lowest pressure811 mbar (hPa; 23.95 inHg)
Seasonal statistics
Total depressions31
Total storms30
Hurricanes21 (record high)
Major hurricanes
(Cat. 3+)
14 (record high)
Total fatalitiesTBD total
Total damage$0,000 (2015 USD)
Atlantic hurricane seasons
2013, 2014, 2015, 2016, 2017

The 2015 Atlantic usercane season was the most active usercane season on record at the time, shattering numerous records (though it would be surpassed later by the 2016, 2017, and 2018 seasons in terms of named storms). The season was extremely active, featuring 30 named storms, 21 usercanes and 14 major usercanes. 6 of the season's major usercanes - Nkechinyer, Hypothetical, Bob, Floyd, Emma-Michelle-Emma-Bayonetta, and BeoBlade all formed in succession from late August to late September, this is a record. The season also had a record-high (11) number of category 5 usercanes - EF5, Alan, IceCraft (while subtropical), Austin, Nkechinyer, Bob, Floyd, BeoBlade (while subtropical), Anthony, Collin, and Odile-Roussil all acquired category 5 status at least one point in time.   

The extreme activity was attributed to a lack of dry air and very warm sea surface temperatures, despite above-normal wind shear in the first part of the season. Atmospheric instability was also at a record high in 2015, especially in late August and September. The season's conditions shifted substantially in late September, with lower shear but cooler waters and less dry air. The season ran year-round, with most storms developing between August and October. There were also several storms that formed in the March and April timeframe.

All HHW users that joined in 2015 and made at least 5 edits will be in this season. If they had at least 10 edits, they will become a "named storm".

Season Summary

Hurricane Julia 2010-09-14 1237Z

Usercane Nkechinyer at peak intensity on January 1, 2016. Nkechinyer, at the time, was a category 5 storm with 175 mph winds.

The season started out quiet, with little activity during January and February. The first storm of the season was Hurricane EF5, a powerful category 5 hurricane.  Hurricane Stormguy developed in February, which attained category 3 status. Activity increased in March, with Tropical Storms Ibahim and Bernard forming. In mid-March, Hurricane Alan developed, which would grow into a long-lived powerful cyclone that would eventually gain category 5 status, but dissipated after landfall in Alabama in December. The hyperactivity continued into April, with Hurricanes Odile, Teresa, and Icecraft forming, all of which would become at least category 4 hurricanes. Odile was the longest-lived system of those.

Activity quieted down over the summer months, with few storms forming between May and July. Activity once again increased in August, with a string of hurricanes forming, starting with Hurricane Marcus. The next storm to form was powerful Hurricane Nkechinyer, which was an intense category 5 hurricane near Cape Verde. Nkechinyer would last until rapid upwelling caused weakening and landfall in Africa in late April. During September, four systems continuously developed, beginning with Hurricane Hypothetical, followed by Hurricanes Bob, Floyd, and Michelle. Activity continued into October, with three new storms forming that would go on to attain hurricane intensity: Jack, Aaron, and Collin. Collin would prove to last longer as Jack had weakened into a tropical storm, while Collin further intensified into a category 4 storm in March 2016 before later weakening, and later strengthening back to a Category 4.

In November, activity once again quieted down. A pair of weak storms formed, which included Tropical Storm Cat as well as Tropical Storm Billy. December was slightly more active than November, with four new cyclones forming: Hurricanes Anthony and Logan, as well as Tropical Storms Quilava and Jason. The final storm of the season proved to be a successful one, as Anthony would later go on to become a category 5 hurricane in 2016.


wikipedia:Saffir-Simpson Hurricane Scale

Usercane David (EF5tornado/SuperDestructiveTwister)

Category 5 hurricane (SSHWS)
Tinyandrew Usercane David (EF5tornado SuperDestructiveTwister) track (cropped)
DurationJanuary 18 – Active
Peak intensity165 mph (270 km/h) (1-min)  925 mbar (hPa)
On January 16, a tropical wave exited the African coast and organized itself into Tropical Depression One. Four days later, One became Tropical Storm David. Slowly moving, David changed little in intensity over the next few months due to moderate wind shear. Shear decreased, and on April 10, David rapidly intensified into a category 4 hurricane. Only 10 days later, David became a category 5 hurricane. David changed little in intensity over the next several months, moving very slowly. On September 29, David made landfall in Florida, weakening straight to a remnant low from category 5 status. During reanalysis, it was discovered that the remnants of David regenerated on October 1 in the Gulf of Mexico. David would then regenerate and dissipate several times over the next three years, at one point looping around and making landfall in Florida from the Gulf side as a Tropical Storm, which occurred in February of 2016. On January 1, 2019, after being dead for almost 2 years (except for a 1 day period of regeneration in October 2018), David's remnants reformed into a Tropical Storm off the coast of North Carolina. However, by late July of the same year, David had once again weakened to a Tropical Userpression south of Massachusetts.

Usercane Stormguy (Stormguy)

Category 2 hurricane (SSHWS)
Edouard Sept 17 2014 1640Z Stormguy 2015 track
DurationFebruary 3 – June 6
Peak intensity105 mph (165 km/h) (1-min)  970 mbar (hPa)
On February 3, an area of low pressure formed east of the Lesser Antilles, becoming Tropical Depression Two. However, development was limited for the next two months. On April 5, Two organized itself into Tropical Storm "Stormguy". Amid favorable conditions, Stormguy intensified directly into a Category 2 hurricane on April 19. However, drier air caused Stormguy to weaken into a tropical storm the next day. Little intensification occurred for the next month or so. However, in early June, Stormguy entered more favorable conditions. As a tropical cyclone, Stormguy peaked with 105 mph winds, but after turning extratropical, Stormguy would peak with 115 mph winds*. Stormguy turned extratropical on June 6.

Tropical Userstorm Shadow Jackal (Shadow Jackal274)

Tropical storm (SSHWS)
Henri 2015-09-10 1425Z Shadow Jackal 2015 track
DurationFebruary 25 – June 21
Peak intensity40 mph (65 km/h) (1-min)  1005 mbar (hPa)
On February 25, a non-tropical area of low pressure developed a closed circulation, becoming Tropical Depression Three. Three eventually strengthened into Tropical Storm Shadow Jackal. Shadow Jackal did not move much over its four months of existence, and became extratropical on June 21.

Tropical Userstorm Ibahim (IBAHIM)

Tropical storm (SSHWS)
Ida 2015-09-22 1625Z IBAHIM 2015 track
DurationMarch 1 – March 2
Peak intensity45 mph (75 km/h) (1-min)  1001 mbar (hPa)
A non-tropical area of low pressure skirted around the Atlantic for several years while located near Cape Verde. This low pressure area suddenly entered a very favorable environment, and became Tropical Depression Four on March 1. Late that evening, it was named Tropical Storm Ibahim. Ibahim became extratropical the next day after being tropical for a very short time.

Tropical Userstorm Bernard (Hurricane Bernard)

Tropical storm (SSHWS)
Josephine 3 September 2008 Bernard 2015 track
DurationMarch 4 – March 22
Peak intensity50 mph (85 km/h) (1-min)  1003 mbar (hPa)
On March 4, a tropical wave exited the African coast and became Tropical Depression Four. The system became Tropical Storm Bernard late that day. Bernard was stationary for its entire existence, briefly reaching 50 mph winds. On March 22, interaction with the Saharan Air Layer caused Bernard to dissipate. Bernard did not cause any damage or deaths.

Usercane Alan (PuffleXTREME)

Category 5 hurricane (SSHWS)
Hurricane Katrina August 28 2005 NASA Alan 2015 track
DurationMarch 13 – September 27, 2017
Peak intensity175 mph (280 km/h) (1-min)  914 mbar (hPa)
On March 13, a tropical wave left the African coast and was monitored for possible development. The system became Tropical Storm Alan the next day. Alan did not change much in intensity over the next month, moving very slowly throughout the tropical Atlantic. However, in mid-April, explosive intensification began, as Alan entered a favorable environment. On April 16, Alan became a category 2 hurricane, skipping over category 1 status. Only two days later, Alan became a category 4 hurricane. Due to increasing wind shear, Alan weakened down to a tropical storm on April 20. Alan continued to move very slowly, at about 1 mph to the west. On June 1, the favorable environment returned, and Alan became a category 4 hurricane. On September 6, Alan intensified into a category 5 hurricane while located north of the Lesser Antilles. The system continued to move very slowly over the next few months. However, in December, Alan's trajectory shifted, now showing a landfall in Alabama. On December 23, Alan made landfall in Alabama, explosively weakening into a remnant low late that night. The remnants of Alan degenerated into a remnant low on December 23. The remnants of Alan meandered around the United States for several days before regenerating into a subtropical storm off the coast of South Carolina on May 29, 2016, over 5 months after its first dissipation.

Tropical Userstorm Ypsi (YpsiRuss)

Tropical storm (SSHWS)
Severe Tropical Storm Lionrock 2010-08-31 0230Z 
DurationMarch 21 – Currently Active
Peak intensity50 mph (85 km/h) (1-min)  990 mbar (hPa)

Usercane Odile-Roussil (MonseurRoussil1997; formerly HurricaneOdile)

Florence 2018-09-06 1405Z 
Tropical userstorm (NUC)
Tropical storm (SSHWS)
As ofJuly 26, 2019
LocationSouthwest of the Azores
Intensity40 mph, 1006 mbar
MovementE at 5 mpd
On April 11, a shortwave disturbance spawned a system that would become Tropical Depression Six. Late that evening, Six was named Tropical Storm Odile. Moving very slowly like many storms, Odile moved in a northwesterly direction. Amid favorable conditions, Odile intensified into a category 1 hurricane briefly on April 19. However, increasing wind shear caused Odile to be downgraded to a tropical storm the next day. Odile remained a tropical storm for over a month, nearly stationary in the east-central Atlantic. In early June, favorable conditions caused Odile to explosively intensify, becoming a category 3 hurricane on June 3, skipping over category 1 and 2. The favorable conditions continued, and on June 8, Odile became a category 4 hurricane. Odile would remain a category 4 hurricane for nearly four months, with little movement or change in intensity. On September 29, increasing wind shear from explosively intensifying Hurricane Nkechinyer caused Odile to weaken to a category 3 hurricane. An eyewall replacement cycle caused Odile to briefly weaken to a tropical storm on October 6, before becoming a category 3 once again late that day. A similar eyewall replacement cycle occurred on October 14. On November 14, one month later, Odile was downgraded to a tropical storm. Late that day, Odile was re-classified as a subtropical cyclone due to its weakening structure. Odile changed little in intensity over the next month. On December 23, Odile's winds increased from 50 to 65 mph, and on December 27, Odile became a category 1 equivalent subtropical storm. Odile's cloud pattern improved substantially, and by March 2016, Odile had regained category 4 hurricane intensity, completing its regeneration and acquiring a new peak intensity. An eyewall replacement cycle in May weakened the storm slightly. Odile, now renamed Roussil, retained category 4 intensity for several more months. Eventually, in February 2017, Roussil intensified into a category 5 hurricane, almost 2 years after formation. However, Roussil only had this status for a mere 2 weeks, before an eyewall replacement cycle knocked Roussil back down to a top end category four. Since then, Roussil hasn't changed much.

Usercane Teresa (MeringueOcean; formerly Fanofries)

Tropical storm (SSHWS)
Rina 2017-11-07 1620z 
DurationApril 16 – December 9,2017
Peak intensity50 mph (85 km/h) (1-min)  1001 mbar (hPa)
On April 16, a tropical wave developed into Tropical Storm Teresa while located about 400 miles east of the Lesser Antilles. Teresa moved very slowly with little change in intensity for over two months. On July 2, Teresa explosively intensified into a category 4 hurricane - however, this may be an overestimate. On September 29, Teresa weakened back to a tropical storm. Teresa became extratropical on October 4. However, on early September 2017, Teresa regenerated into a tropical storm.

Usercane IceCraft (IceCraft87941)

Category 5 hurricane (SSHWS)
Hurricane Epsilon 4 Dec 2005 Icecraft 2015 track
DurationApril 20 – December 22,2016
Peak intensity160 mph (260 km/h) (1-min)  962 mbar (hPa)

On April 20, the NHC began monitoring a tropical wave southwest of the Cape Verde for possible tropical cyclogenesis. It rapidly organized itself into Tropical Storm IceCraft. However, intensification was limited afterwards. On July 6, IceCraft directly intensified into a category 3 hurricane from a tropical storm. On September 6, IceCraft weakened back to a tropical storm. NOAA sent a Hurricane Hunters aircraft to investigate the system 6:00 PM EST on September 7, and identified a wind speed of 157 mph at the center of the storm, supporting a direct upgrade to category 5 status, despite only a small drop in pressure. However, the structure of the storm was weak, almost resembling a subtropical cyclone. On October 7, IceCraft explosively weakened to a tropical storm and became extratropical.

IceCraft briefly re-generated into a subtropical storm in early December before becoming extratropical once again on December 6. However, on February 26, 2016, the remnant low reorganized itself into Subtropical Storm IceCraft on the same day that Hurricane Nkechinyer dissipated into a remnant trough. By the end of September, the remnants of IceCraft gained substantial enough convection to be classified as a regenerated subtropical storm with maximum winds of 45 miles per hour coupled with a 998 millibar pressure.

Tropical Userstorm Rainbow (RainbowDash72)

Tropical storm (SSHWS)
DurationApril 20 – August 30
Peak intensity40 mph (65 km/h) (1-min)  1005 mbar (hPa)

Usercane Sonuic-Sunlight (Sonuic2000/BeamOfSunlight)

Category 1 hurricane (SSHWS)
Bertha Aug 4 2014 1750Z 
DurationJune 2 – June 8, 2017
Peak intensity75 mph (120 km/h) (1-min)  1000 mbar (hPa)
On June 2, a weak tropical wave led to the formation a tropical storm named "Sonuic". This system would dissipate and regenerate several times after acquiring a peak intensity of 40 mph. On January 2, 2016, Sonuic turned extratropical. The remnants of the storm would make landfall in the United Kingdom, causing minimal damage. On August 10, Sonuic regenerated into a tropical storm north of the Bahamas amidst more favorable conditions, and was renamed Sunlight. On August 17, briefly, Sunlight achieved hurricane status, but weakened back to a tropical storm after this peak immediately.

Usercane Charles (Anon13281)

Category 2 hurricane (SSHWS)
Hurricane Epsilon (2005) - 75 mph Charles 2015 track
DurationJune 7 – December 23
Peak intensity100 mph (155 km/h) (1-min)  979 mbar (hPa)
On June 7, a tropical wave formed in the southern Caribbean. It eventually became Tropical Storm Charles. Charles became a category 1 hurricane shortly thereafter. On September 22, Charles weakened to a tropical storm. 5 days later, on September 27, Charles briefly became a category 1 hurricane once again. Charles then turned extratropical, although it briefly regenerated on December 23.

Tropical Userstorm Alexis (SuperstormAlexis)

Tropical storm (SSHWS)
DurationJune 12 – July 2
Peak intensity45 mph (75 km/h) (1-min)  1004 mbar (hPa)
On June 12, a tropical wave developed into a Tropical Depression about 600 miles west of Cape Verde. The depression would rapidly intensify into Tropical Storm Alexis, and turned to the northeast. Alexis then turned extratropical on July 2. Alexis's extratropical remnants would make landfall in Spain.

Usercane Austin (AustinD-3)

Category 5 hurricane (SSHWS)
Katia peak 
DurationJuly 25 – October 18, 2016
Peak intensity160 mph (260 km/h) (1-min)  936 mbar (hPa)

Usercane Marcus (MarcusSanchez)

Category 4 hurricane (SSHWS)
Gonzalo Oct 16 2014 1745z 
DurationAugust 5 – August 5,2017
Peak intensity145 mph (230 km/h) (1-min)  940 mbar (hPa)

Tropical Userpression Fourteen (853295)

Tropical depression (SSHWS)
DurationAugust 18 – August 18
Peak intensity30 mph (45 km/h) (1-min)  1012 mbar (hPa)
Fourteen was a very weak and disorganized tropical depression that formed in mid-August.

Tropical Userstorm Alejandro (That Random Guy on Wiki)

Tropical storm (SSHWS)
Dorian 2013 
DurationAugust 29 – April 30, 2016
Peak intensity50 mph (85 km/h) (1-min)  1003 mbar (hPa)
A pair of tropical waves exited the coast in late August, the southernmost one of which would develop into Hurricane Nkechinyer a day later. The northern wave acquired a closed circulation early on August 29 and was named "Alejandro." Alejandro then quickly dissipated two days later. However, a regeneration took place on October 10, but the cyclone then degenerated into a remnant low once again the next day. Alejandro then regenerated in April 2016 and acquired its peak intensity with winds of 50 mph around April 20. However, on April 30, Alejandro degenerated into a remnant trough.

Usercane Nkechinyer (CycloneNkechinyer)

Category 5 hurricane (SSHWS)
Usercane nkech 
DurationAugust 29 – Currently active
Peak intensity175 mph (280 km/h) (1-min)  903 mbar (hPa)

In September 2014, a tropical wave developed and produced some isolated convective areas, but lost its organization and did not move much for nearly a year. On August 28, 2015, the tropical wave developed some convection just southeast of Cape Verde. The next day, it strengthened into Tropical Storm Nkechinyer. Due to low wind shear and extremely warm waters, Nkechinyer strengthened into a category 1 hurricane in just minutes. Entertainment with the Saharan Air Layer resulted in minimal intensification for several weeks. Moving slowly westward, the hurricane was initially fairly disorganized and had only minimal thunderstorm activity.

On September 25, a change in steering patterns caused Nkechinyer to turn to the northeast, in a much more favorable environment. Late that evening, Nkechinyer acquired winds of 115 mph - being upgraded to a category 3 hurricane. Its pressure also rapidly deepened from 996 mbar to 938 mbar in just 24 hours. On September 27, Nkechinyer's eyewall and structure became increasingly well-defined, supporting an upgrade to category 5 status - 160 mph. The rapidly intensifying storm, also aided by the rapidly intensifying Hurricane Emma, resulted in a significant breakdown of Hurricanes Douglas and Dylan, which ended up making landfall in Georgia and New Jersey, respectively. Nkechinyer's movement slowed down after the shearing event on September 28. Despite nearly weakening to a category 4 hurricane in mid-November, Nkechinyer continued to intensify over the coming weeks. It is estimated that the storm attained this windspeed on January 5. However. after several months as a category 5 hurricane, on February 26, 2016. strong upwelling made Nkechinyer to rapidly weaken to a tropical storm, later degenerating into a trough minutes later. After a brief burst of convection on February 28, Nkechinyer would fully dissipate. The remnants of Nkechinyer nearly regenerated into a new system known as "Karl" in early March, but strong wind shear prevented that from happening.

On March 30, despite being over land, the remnants of Nkechinyer merged with a tropical wave, and the BNWC noted the possibility of Nkechinyer regenerating into a new subtropical cyclone by early June. On April 1, after bursts of convection, Nkechinyer regenerated into a subtropical storm near the Canary Islands. 19 days later on April 20, Nkechinyer made another landfall in Morocco, dissipating once again. The remnants of Nkechinyer completely dissipated in the Sahara Desert on June 3. However, just three days later, a new tropical wave formed from the remaining energy and was expected to reach the Atlantic by late September. Nkechinyer regenerated on September 29, strengthening very slowly for the next few months. On January 10, 2017, Nkechinyer regained hurricane strength for the first time in nearly a year. Nkechinyer went on to achieve a secondary peak of category 2 strength with winds of 105 mph by mid-March 2017. A slow weakening then commenced, and Nkechinyer eventually turned back to the northeast.

Nkechinyer weakened to a tropical userstorm on March 26 as wind shear increased. On April 3, 2017, Nkechinyer made landfall in Africa a third time and rapidly degenerated to a remnant low. The remnants of Nkechinyer meandered around unusually for about 2 weeks before accelerating northeastwards and completely dissipating in the Mediterranean Sea on April 20, with the remaining energy fading away completely, preventing any type of regeneration, which finally ended its long 2-year journey and never got past the Cape Verde Islands. However, energy from Nkechinyer get past France and turned into Subtropical Depression, which later turned into remnant low by early 2018.

Usercane Hypothetical (HypotheticalHurricane)

Category 3 hurricane (SSHWS)
Fred 2015-08-31 1745Z. 
DurationSeptember 2 – February 8, 2020
Peak intensity115 mph (185 km/h) (1-min)  962 mbar (hPa)
On September 2, a tropical wave spawned a tropical depression east of Cape Verde. It was eventually named Tropical Storm "Hypothetical" two weeks later. Hypothetical intensified very slowly, as well as it moved at less than a tenth of a mph. On November 7, Hypothetical intensified into a category 1 hurricane. Hypothetical's slow intensification continued as it moved near the Cape Verde Islands. Roughly two months later, on January 5, Hypothetical became a category 2 hurricane. Hypothetical would then peak as a 115 mph category 3 hurricane in mid-January before dry air got entrained in the system, causing Hypothetical to turn into a tropical storm in early February. On February 25, due to an apparent new eye on satellite images, Hypothetical once again intensified back into a category 1 hurricane. In early March, Hypothetical regained category 2 hurricane status as a secondary peak intensity. On March 31, Hypothetical strengthened back to category 3 major hurricane status, with 115 mph winds and a minimum pressure of 962 mbar. Somewhat unexpectedly, deep convection from the cyclone dissipated in mid-April, and all that remained was the circulation. The circulation then degenerated into a trough on April 21, and was not expected to regenerate. Unexpectedly, in August, Hypothetical regenerated into a subtropical storm.

Usercane Bob (Bobnekaro)

Hypercane (New) Usercane Bob Track
Tropical Userstorm (NUC)
Tropical Storm (SSHWS)
As ofJanuary 11, 2020
LocationE of North Carolina
Intensity70 mph, 933 mbar
MovementNE at 3 mpd
Main article: Usercane Bob

On September 7, a tropical wave developed over central Africa. It became Tropical Depression Eighteen at 6:30 PM AST September 8. Due to favorable conditions, the wave intensified into Tropical Storm Bob. Rapidly intensifying as it moved westward, Bob was upgraded to a category 2 hurricane on September 15. Due to a strong Saharan Air Layer and the rapidly intensifying Hurricane Nkechinyer nearby, Bob weakened to a tropical storm on September 29. However, favorable conditions returned in late October. On October 25, Bob directly intensified into a category 3 major hurricane, despite an initially high pressure of 972 mbar. Remaining a category 3 for nearly two months, Bob slowly intensified over the next two months, with the pressure significantly decreasing but the wind speed only seeing a minimal change. On December 17, Bob was upgraded to a category 4 hurricane after a recon flight identified a wind speed of 132 mph. Due to an eyewall replacement cycle, Bob was later downgraded back to a category 3 less than one week later on December 23. Bob would fluctuate between category 3 and 4 status over the coming days before once again gaining category 4 status on December 28. On January 5, the temporary breakdown of Hurricane Hype's circulation allowed Bob to briefly attain category 5 status. Bob peaked with 160 mph winds briefly before weakening to 155 mph later that evening.

In January, Bob began to take on annular characteristics. However, on February 4, Bob re-intensified into a category 5 hurricane with 160 mph winds. Bob weakened back to a category 4 storm on February 7, as winds were lowered to 155 mph. Once again on February 26, Bob was upgraded to category 5. On February 27, Bob weakened back to 155 mph. On April 21, Bob re-strengthened to a 160 mph category 5 hurricane, alongside Hurricane Anthony. Bob would later intensify to 185 mph.

On January 11, 2020, Bob weakened suddenly to a userstorm and began to gain extratropical characteristics.

Usercane Floyd (StrawberryMaster)

Angela Nov 1 1995 0440Z 
Category 5 usercane (NUC)
Category 5 hurricane (SSHWS)
As ofJuly 26, 2019
LocationNW of Bermuda
Intensity215 mph, 870 mbar
MovementNearly Stationary

On September 14, a tropical wave merged with an extratropical cyclone in an unusual Fujiwhara effect north of Cape Verde, as they steadily coalesced into Subtropical Depression Nineteen later that evening. Nineteen was eventually upgraded into Subtropical Storm Floyd six hours later as the depression was producing sustained tropical storm-force winds – over 40 mph (65 km/h) – as reported by several other weather centers. The system was located in a very favorable environment for further development, with low vertical wind shear and very warm sea surface temperatures, allowing Floyd to quickly acquire tropical characteristics, and soon became a Category 1 usercane rapidly, like most storms.

Roughly one week later, Floyd intensified into a Category 2 usercane based on Dvorak guidance. Within a few days, Floyd subsequently weakened to a Category 1 usercane on September 29. However, in mid-October, with a symmetric ring of deep convection surrounding a distinct eye, Floyd intensified into a Category 3 usercane. Floyd eventually took on annular characteristics and would remain a Category 3 usercane for nearly three months, except for a brief period in mid-December when Floyd reached Category 4 status. In mid-January, Floyd regained category 4 status. On February 26, Floyd briefly gained category 5 status, before weakening into a 155 mph category 4 hurricane later on. On June 13, 2016, after spending several months maintaining near-Category 5 intensity, Floyd became a 160 mph Category 5 usercane, and went to attain a new peak intensity of 1-minute sustained winds of 175 mph (280 km/h) and a miminum central pressure of 910 mbar (hPa).

Usercane Emma-Michelle-Bayonetta (Emmaelise401)

Category 4 hurricane (SSHWS)
Joaquin 2015 Colorized Emma-Michelle 2015 track
DurationSeptember 21 – July 23, 2016
Peak intensity150 mph (240 km/h) (1-min)  924 mbar (hPa)

An upper-level low developed south of Bermuda in September. On September 22, a Hurricane Hunters aircraft identified a closed circulation, naming the system Tropical Depression Twenty. Shortly afterward, Twenty was upgraded into Tropical Storm Emma. Post-season analysis, however, found that Emma formed 6 hours earlier on September 21. Emma rapidly expanded in size, and developed a strong eyewall. Emma's pressure explosively deepened from 997 mbar to 950 mbar in only 6 hours, with the storm's intensity reaching 75 mph. Late that evening, Emma was declared a hurricane just north of the Bahamas. The original path of Emma had it turning northward and weakening, but that would not be the case due to a shift in the mid-level ridge. Emma's intensification continued, and by September 28, Emma was packing 85-mph winds, with an insanely low pressure for a category 1 hurricane of 941 mbar.

On September 28, Emma, along with Hurricane Nkechinyer, the explosively deepening storms produced a large area of wind shear in the mid-Atlantic that created an unusual steering pattern. This caused nearby storms - Hurricanes Douglas, Dylan, EF5, and 162 - to all make landfall. In the process of shearing, Emma weakened from a hurricane to a tropical storm, despite little or no change in pressure or structure. In early October, the NHC decided to rename the system Tropical Storm Michelle for unknown reasons. After leaving the Bahamas, Michelle entered a more favorable environment, while retaining its unusual structure. In early November, Michelle re-acquired minimal hurricane status. Positioned in an environment with no wind shear and record warm water temperatures, Michelle once again explosively deepened into a strong category 4 hurricane. Michelle would peak with 155 mph winds and a pressure of 919 mbar on December 8. At this point, forecasters expected Michelle to gain category 5 status. However, the storm began an eyewall replacement cycle later that month and began to slowly weaken and become disorganized.

By January, moving into cooler waters, Michelle had began its extratropical transition. Its structure deteriorated, weakening to a tropical storm on January 12. Michelle became extratropical on January 15. The next day, the core of the storm became more organized, and it is estimated Subtropical Storm Michelle regenerated around 3:00 UTC on January 17. Shortly afterward, Michelle acquired hurricane-force winds. However, the structure of Michelle deteriorated again, and Michelle lost its closed circulation. The circulation was regained on January 21, although Michelle has been re-classified as a Subtropical Storm once again. Michelle dissipated on January 26 as it made landfall near the Bahamas. Subtropical Storm Michelle regenerated on the coast of the United States again and got the name Emma again. Emma has fluctuated between subtropical and extratropical status over recent weeks. On February 15, after one brief regeneration into a subtropical storm, Emma dissipated. However, On February 27, Emma's remnants pulled together and have seemed to redeveloped circulation. The remnants of Emma moved inland into North Carolina, before curving out to the Outer Banks in late June. On June 28, a NUC outlook noted that the system had a 80% chance of a regeneration into a subtropical or tropical storm as it entered the Gulf Stream. At 00:00 UTC on July 1, as expected, the system regenerated into a subtropical storm and was renamed Bayonetta. However, on July 22, the system unexpectedly made landfall in Delaware, and dissipated completely.

Subtropical Userstorm BeoBlade (BeoBlade)

Subtropical storm (SSHWS)
Iris 2 September 1995 
DurationSeptember 25 – February 12, 2017
Peak intensity160 mph (260 km/h) (1-min)  968 mbar (hPa)
On September 25, a subtropical wave rapidly developed into a category 1 subtropical hurricane. The hurricane was named "BeoBlade" at the time of formation. Due to favorable conditions and extremely warm sea surface temperatures, BeoBlade exposively intensified into a category 5 major hurricane, while remaining subtropical. Winds of BeoBlade topped out at 160 mph briefly for a few days, before explosive weakening took place on September 29. BeoBlade was known for its very small size - hurricane-force winds only extended 15 miles from the center of circulation. BeoBlade then turned extratropical, but regained subtropical characteristics in February 2016,before quickly dissipating for the last time.

Usercane Jack (Leboringjack)

Category 3 hurricane (SSHWS)
Fred 2009 
DurationOctober 11 – Currently Active
Peak intensity115 mph (185 km/h) (1-min)  956 mbar (hPa)
On October 11, a tropical wave developed east of Cape Verde and became a tropical depression that evening. A few days later, it intensified into a tropical storm, being named "Jack". On November 7, Jack was upgraded to a category 1 hurricane. In early December, Jack's intensification continued, becoming a category 2 hurricane. In mid-December, Jack was upgraded to a category 3 storm. Jack would briefly weaken back into a category 2 storm due to an eyewall replacement cycle before once again becoming a category 3 storm in late December. In January, Jack began to weaken due to decreased thunderstorm convection. On February 7, Jack was downgraded to a category 2 storm. Jack's convection deteriorated, and on February 15, it is estimated that Jack degenerated into a remnant trough of low pressure. On March 11, Jack regenerated into a tropical storm. In late April, Hurricane Jack made landfall and his convection deteriorated rapidly over high mountains. On May 26, the system moved over water and regenerated. Later in June, deep convection developed atop the storm and Jack regained hurricane status somewhat unexpectedly.

Usercane Collin (SnaggyFTW)

Category 5 hurricane (SSHWS)
Hurricane Fabian 2003 Sept 4 
DurationOctober 19 – Currently Active
Peak intensity160 mph (260 km/h) (1-min)  919 mbar (hPa)
Main article: Usercane Collin
On October 19, a tropical wave exited the coast of Africa. The tropical wave became a tropical storm that evening, being named "Collin". Collin would remain a tropical storm for over a month before intensifying into a category 1 hurricane in early December. Just minutes after intensifying to category 1, Collin became a low-end category 2 storm. In January 2016, Collin became a category 3 storm. Despite nearly dissipating into a remnant trough in late January, Collin would later intensify to a category 4 storm in early March. Collin then hit a patch of wind shear and dry air, briefly brushing the Lesser Antilles. As a result, Collin weakened to a remnant trough on March 15. Three days later, the remnants of Collin pulled back together into a subtropical storm as the remnants merged with a frontal system. On March 31, Collin intensified back into a category 1 hurricane. Collin would undergo fluctuations in intensity before eventually regaining category 4 hurricane status. On September 4, Collin strengthened into a category 5 usercane. Collin explosively weakened as it made landfall in Hispaniola on September 26, and degenerated into a remnant low the next day. Collin regenerated on October 27 as a weak subtropical storm, eventually regaining tropical characteristics. However, it did not strengthen past minimal tropical storm status, and on March 9, 2017, Collin transitioned into an extratropical cyclone as it accelerated to the northeast.

Usercane Aaron (Jdcomix)

Category 2 hurricane (SSHWS)
Ernesto Aug 6 2012 1615Z 
DurationOctober 25 – Currently Active
Peak intensity105 mph (165 km/h) (1-min)  968 mbar (hPa)
On October 25, a tropical depression formed. It then degenerated into a remnant trough shortly after forming. However, occasional bursts of convection took place in the storm throughout the winter and spring of 2016. In early June 2016, the storm began organizing and became a tropical storm, being named "Aaron." By mid-June 2016 Aaron was organizing rapidly and many usercane prediction centers forecast to be a major usercane late in the forecast period. Shortly afterwards, Aaron intensified into a category 1 hurricane, although convection remained not very deep in the compact cyclone. Dry air entrainment has caused Aaron's intensity to fluctuate, although it did peak as a 105 mph category 2 usercane in late October 2016. In December 2016, Aaron weakened back to a tropical storm.

Tropical Userstorm Cat (CategoryV)

Tropical storm (SSHWS)
Claudette Geostationary visir 2015 
DurationNovember 17 – November 29
Peak intensity45 mph (75 km/h) (1-min)  1007 mbar (hPa)
On November 17, a tropical depression formed off the coast of North Carolina, south of Bermuda. This tropical wave would intensify into a tropical storm a few days later, being named "Cat". Cat would peak with winds of 45 mph before turning extratropical on November 29.

Tropical Userstorm Billy (WillyBilly2006)

Tropical storm (SSHWS)
Ida 2015-09-25 1345Z 
DurationNovember 27 – November 8, 2016
Peak intensity50 mph (85 km/h) (1-min)  995 mbar (hPa)
On November 27, a tropical depression developed. It was rapidly named "Billy". Its winds reached 40 mph quickly, slowly intensifying to 50 mph by mid-February 2016. Billy remained active as a tropical storm for a long time but failed to strengthen. On November 8, 2016, Billy turned extratropical and made landfall in Greenland a few days later.

Tropical Userstorm Quilava (Quilava77)

Tropical storm (SSHWS)
Dolly Sept 03 2014 1940Z 
DurationDecember 16 – August 1, 2016
Peak intensity45 mph (75 km/h) (1-min)  1003 mbar (hPa)
On December 16, a tropical wave formed in the Bay of Campeche. It rapidly developed into a tropical depression. Initial forecast models forecast that Quilava could become a hurricane; however, convective branding of the system began to decrease the next day. Stationary for its entire existence, the depression acquired gale-force winds in late January, being named "Quilava". Quilava dissipated into a remnant low on February 1. However, numerous regenerations and dissipations occurred thereafter, and Quilava remained active as a tropical depression in the Bay of Campeche with little movement for a long time. Quilava dissipated on August 1, 2016.

Usercane Anthony (Sassmaster15)

Category 5 hurricane (SSHWS)
HaiyanMDR Usercane Anthony Track
DurationDecember 22, 2015 – Currently Active
Peak intensity200 mph (325 km/h) (1-min)  877 mbar (hPa)
Main article: Usercane Anthony

On December 21, a well-defined tropical wave developed about 500 miles southeast of the Cape Verde islands, just west of the African coast. This wave rapidly developed into Tropical Storm Anthony the next day, which ultimately made it the last storm of the record-breaking 2015 usercane season. Because of the very deep convection initially in the storm, forecast models from early on forecast a very strong storm late in the forecast period. Just two days after formation, Anthony's winds rapidly jumped to 60 mph as an eyewall began forming. On January 13, winds of the system reached 70 mph; the next day, Anthony was upgraded into a category 1 hurricane. In mid-January, as the storm's eye became increasingly well-defined, Anthony was upgraded to a category 2 hurricane on January 17. Intensification continued at a torrid pace as Anthony developed annular characteristics; Anthony became a category 3 hurricane on February 7.

On February 26, Anthony was upgraded to a category 4 hurricane, becoming the fastest-intensifying storm of the season since Hurricane Emma. Anthony would eventually absorb vast quantities of moisture into its circulation, thus expanding the size of the cyclone as it began to grow to the second largest usercane on record, just behind Usercane Ryne. On April 21, 2016, Anthony, alongside Usercane Bob, strengthened to a Category 5 usercane, officially becoming the strongest December usercane in recorded history. In early May, Anthony intensified to a peak of 165 mph, before a weak eyewall replacement cycle weakened the storm to 160 mph later that month, and the storm stalled out in the central tropical Atlantic. However, it re-intensified back to 165 mph on June 10. Anthony would later acquire a new peak intensity of 185 mph as it continued to strengthen over time, becoming the second strongest usercane of the season, just behind Usercane Bob. Unexpectedly, on September 11, Anthony explosively weakened as its convective structure almost completely collapsed, and transitioned into a subtropical storm with maximum sustained winds of 50 mph. Later that evening, Anthony transitioned into an extratropical cyclone. However, a few days later, a new band of deep convection began to develop. On September 24, Anthony shed its frontal characteristics, and regenerated into a subtropical storm with maximum sustained winds of 50 mph. Days later, the HTMC deemed Anthony fully tropical and subsequently upgraded the storm to 60 mph. Over the weeks that followed, Anthony continued to explosively intensify. The storm acquired category 5 status for a second time on October 18, and remained steady state over subsequent days. On December 14, Anthony attained a new peak intensity of 190 mph, 890 millibars, becoming the fourth-strongest usercane on record. Unexpectedly, after slowly strengthening throughout the months of January and February 2017, Anthony once again explosively weakened on March 5, to a tropical storm as convection collapsed again. Anthony further collapsed into a remnant low on March 7, and the remnants became devoid of convection on March 9. Anthony's remnants meandered over the subtropical Atlantic for 17 months before regenerating into a subtropical userpression on August 10, 2018.

After maintaining tropical storm intensity for a fairly substantial time, Anthony re-attained minimal hurricane intensity for the first time in 32 months, on November 8, 2019.

Other storms

On October 1, Tropical Userpression Twenty-Five formed in the central Gulf of Mexico. A few days later, the userpression was upgraded to Tropical Userstorm Brendan (SuperDestructiveTwister). In late October, the storm had dissipated. In February of 2016, Brendan regenerated briefly near Florida, but quickly dissipated. Brendan once again regenerated 2 year later in very late December of 2018, but an analysis of the storm at the time concluded that the entire time, Brendan had been the remnants of Usercane David. Brendan peaked at 50/1003 in October of 2016.

Season effects

This is a table of all the storms that have formed in the 2015 Atlantic usercane season. It includes their duration, names, landfall(s), denoted in parentheses, damages, and death totals. Deaths in parentheses are additional and indirect (an example of an indirect death would be a traffic accident), but were still related to that storm. Damage and deaths include totals while the storm was extratropical, a wave, or a low, and all the damage figures are in 2015 USD.

NUC usercane scale
TD TS STS C1 C2 C3 C4 C5
2015 Atlantic usercane season statistics
Dates active Storm category

at peak intensity

Max 1-min
mph (km/h)
Areas affected Damage

EF5 January 18 – Currently active Category 5 hurricane 165 (270) 925 Florida 78,000 248
Stormguy February 3 – June 6 Category 2 hurricane 105 (165) 970 None None None
Shadow Jackal February 25 – June 21 Tropical storm 40 (65) 1005 None None None
Ibahim March 1 – March 2 Tropical storm 45 (75) 1001 None None None
Bernard March 4 – March 22 Tropical storm 50 (85) 1003 None None None
Alan March 12 – September 27, 2017 Category 5 hurricane 175 (280) 914 Cuba, Bahamas, Gulf Coast of the United States (especially the Florida Panhandle, Alabama and Louisiana 92,000 1,029-1,236
Ypsi March 21 – Currently active Tropical storm 50 (85) 990 None None None
Odile-Roussil April 11 – Currently active Category 5 hurricane 160 (260) 915 None None None

Season Aggregates
36 systems January 18 – Season ongoing   225 (225) 854 Minimal 5
Atlantic usercane seasons
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