Cyclone Quinn (2018)

Cyclone Quinn was an exceptionally long-lived tropical cyclone which transversed the western half of the Indian Ocean and southern Atlantic Ocean, making devastating strikes on Madagascar and South Africa. Less severe impact occurred in Uruguay and Argentina, where Quinn hit at a weaker intensity. With a size exceeding 2,700 miles (4,345 km), the cyclone was by a significant margin the largest tropical cyclone on Earth, doubling the previous record set by Typhoon Tip in 1979. Combined with its winds of 655 mph (570 knots, 1055 km/h) and pressure of 505 mbar (hPa; 14.91 inHg), Quinn killed over eight million people and caused billions of dollars in losses across Africa and South America.

Background
At this point, the South-West Indian Ocean was experiencing its worst cyclone season in decades, with Madagascar, Mozambique, South Africa, and even Swaziland being effectively wiped off the map by systems with unprecedented strength striking just days apart. Worsening the situation was the fact an extraordinarily powerful La Niña that caused utter destruction in the previous Atlantic season had warmed sea surface temperatures (SST's) to nearly 140°F (60°C) in the entire Indian Ocean, with values of 122°F (50°C) extending as far south as Antarctica. Scientists feared it would only be a matter of time before a potential super storm, perhaps a massive, unimaginably destructive hypercane, would develop. Following Quinn's formation, their worst nightmare verified.

Meteorological history
Cyclone Quinn began its life as a tropical wave which detached from the Intertropical Convergence Zone northwest of Australia on February 28. At this point, Cyclones Nate and Ophelia were devastating Madagascar and South Africa, and Pat was spinning harmlessly out at sea. Despite slight vertical wind shear enclosing the system, SST's exceeding 104°F (40°C) very quickly spawned a tropical disturbance on March 2, as noted by Météo-France (MFR).

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Impact
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Aftermath
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