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The 1970 Atlantic hurricane season began on June 1st, 1970 and ended November 30th, 1970.


Seasonal forecasts

Source Date Named

storms

Hurricanes Major

hurricanes

NOAA May 23, 1970 12 6 2
–––––––––––––––––––––––––––––––––––––––––––––––––––––––
Actual activity 10 5 3


Season Summary

Storms

Storms
TS Alma
C2 Becky
C4 Celia
C1 Dorothy
TS Ella
C4 Felice
TS Greta
TS Hallie
C3 Isabel
TS Judith

Tropical Storm Alma

Tropical storm (SSHWS)
Carrie 1972 Tropical Storm Alma (1970 - Track)
DurationJune 4 – June 8
Peak intensity65 mph (100 km/h) (1-min)  990 mbar (hPa)


Hurricane Becky

Category 2 hurricane (SSHWS)
Eye of hurricane debbie (1969) Hurricane Becky (1970 - Track)
DurationJuly 31 – August 6
Peak intensity110 mph (175 km/h) (1-min)  958 mbar (hPa)


Hurricane Celia

Category 4 hurricane (SSHWS)
Typhoon Irma (1971) Hurricane Celia (1970 - Track)
DurationAugust 2 – August 15
Peak intensity145 mph (230 km/h) (1-min)  934 mbar (hPa)


Hurricane Dorothy

Category 1 hurricane (SSHWS)
Hurricane Abby Jun 4 1968 1204Z 
DurationAugust 16 – August 21
Peak intensity75 mph (120 km/h) (1-min)  987 mbar (hPa)


Tropical Storm Ella

Tropical storm (SSHWS)
Hurricane Gladys 1968 
DurationAugust 31 – September 5
Peak intensity70 mph (110 km/h) (1-min)  982 mbar (hPa)


Hurricane Felice

Category 4 hurricane (SSHWS)
Hurricane Camille 16 aug 1969 1930Z 
DurationSeptember 1 – September 12
Peak intensity150 mph (240 km/h) (1-min)  930 mbar (hPa)


Tropical Storm Greta

Tropical storm (SSHWS)
Tropical Storm Arlene (1967) 
DurationSeptember 10 – September 14
Peak intensity60 mph (95 km/h) (1-min)  995 mbar (hPa)


Tropical Storm Hallie

Tropical storm (SSHWS)
Tropical Storm Arlene 1971 
DurationSeptember 29 – October 3
Peak intensity65 mph (100 km/h) (1-min)  990 mbar (hPa)


Hurricane Isabel

Category 3 hurricane (SSHWS)
Hurricane Dorothy (1966) 
DurationOctober 19 – October 31
Peak intensity120 mph (195 km/h) (1-min)  950 mbar (hPa)


Tropical Storm Judith

Tropical storm (SSHWS)
AlmaMay201970SatImage 
DurationNovember 10 – November 14
Peak intensity50 mph (85 km/h) (1-min)  996 mbar (hPa)






Timeline

wikipedia:Saffir-Simpson Hurricane Scale


Storm names

The following names have been used to name tropical and subtropical cyclones in the 1970 season.

  • Alma
  • Becky
  • Celia
  • Dorothy
  • Ella
  • Felice
  • Greta
  • Hallie
  • Isabel
  • Judith
  • Kendra (unused)
  • Lois (unused)
  • Marsha (unused)
  • Noreen (unused)
  • Orpha (unused)
  • Patty (unused)
  • Rena (unused)
  • Sherry (unused)
  • Thora (unused)
  • Vicky (unused)
  • Wilna (unused)



Accumulated Cyclone Energy (ACE) Rating

ACE (104 kt2) – Storm: Source
1 0.00 Storm 12 0.00 Storm
2 0.00 Storm 13 0.00 Storm
3 0.00 Storm 14 0.00 Storm
4 0.00 Storm 15 0.00 Storm
5 0.00 Storm 16 0.00 Storm
6 0.00 Storm 17 0.00 Storm
7 0.00 Storm 18 0.00 Storm
8 0.00 Storm 19 0.00 Storm
9 0.00 Storm 20 0.00 Storm
10 0.00 Storm 21 0.00 Storm
11 0.00 Storm 22 0.00 Storm
Total=0.0

ACE is the result of a storm's winds multiplied by how long it lasted for, so storms or subtropical storms (Originally not included up until 2012) that at lasted a long time , as well as particularly strong hurricanes , have higher ACE totals. Tropical Depressions are not included in season total.


Season effects

This is a table of the storms and their effects in the 1970 Atlantic hurricane season. This table includes the storm's names, duration, peak intensity, Areas affected (bold indicates made landfall in that region at least once), damages, and death totals. Deaths in parentheses are additional and indirect (an example of an indirect death would be a traffic accident), but are still storm-related. Damage and deaths include totals while the storm was extratropical, a wave or a low. All of the damage figures are in 2014 USD (the listed damage figure is in millions).

1970 North Atlantic tropical cyclone statistics
Storm
name
Dates active Storm category

at peak intensity

Max 1-min
wind
mph (km/h)
Min.
press.
(mbar)
Areas affected Damage
(USD)
Deaths


Alma June 4 – June 8 Tropical storm 65 (100) 990 None 0 0
Becky July 31 – August 6 Category 2 hurricane 110 (175) 958 US Gulf Coast (Texas), Mexico 65 14
Celia August 2 – August 15 Category 4 hurricane 145 (230) 934 US Gulf Coast (Louisiana), US East Coast (Florida), The Bahamas, Hispaniola, Puerto Rico 1,935 110
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