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IMERG rainfall totals from Cyclone Freddy
Tropical Cyclone Freddy first made landfall along the east coast of Madagascar just north of the town of Mananjary on Feb. 21, 2023, as a Category 3 cyclone with average winds reported at ~81 mph (130 km/h) and gusts up to ~112 mph (180 km/h). After crossing over Madagascar Freddy continued westward over the Mozambique Channel before making landfall again along the east coast of Mozambique just south of Vilankulos as a moderate tropical storm with sustained winds estimated at 50 mph. Despite being weaker at landfall, Freddy caused widespread flooding across parts of Mozambique due to the storm stalling out near the coast after making landfall. Incredibly, Freddy drifted back out over the Mozambique Channel, nearly making landfall along the southwest coast of Madagascar. It then changed direction, re-intensified, weakened, re-intensified one last time, and made landfall once again on March 11 near Quelimane, Mozambique, as a Category 1 cyclone with sustained winds reported at 90 mph.
GPM overpass of tropical storm Nicole
Hurricane Nicole hit the East Coast of Florida early yesterday morning, November 10 th, 2022, at 3:00 am (EST) just south of Vero Beach at North Hutchinson Island. But, unlike Hurricane Ian which came ashore in late September as a powerful Category 4 storm that devasted parts of southwest Florida, Nicole made landfall as minimal Category 1 storm. Though far less intense, Nicole has still brought some heavy rain and gusty winds to the region. Nicole originated from a non-tropical low pressure system over the southwestern Atlantic. As a result, when the National Hurricane Center (NHC) was first
GPM overpass of Hurricane Ian on Sept. 26, 2022
Hurricane Ian became one of the strongest hurricanes on record to strike Florida when it made landfall Wednesday, Sept. 28th, 2022, around 3:10 pm (EDT) as a Category 4 storm near Cayo Costa, FL, about 20 miles west-southwest of Punta Gorda on Florida’s southwest coast. This same area was hit hard by Hurricane Charley in 2004, which also made landfall as a strong Category 4 storm. Both storms passed over and were intensified by the deep, warm waters of the southeastern Gulf of Mexico. Ian originated from a tropical easterly wave that propagated westward off the coast of Africa across the
IMERG analysis of Hurricane Ian
On Sept. 30, 2022, Hurricane Ian was approaching South Carolina, which was one day after Ian finished its west-to-east crossing of Florida. NASA has been estimating Hurricane Ian's precipitation over land and ocean, which complements the array of detailed observations collected by NOAA and other agencies of Ian's impact over land.
IMERG precipitation totals from Hurricane Ian
Hurricane Ian formed in the Caribbean Sea on Sept. 26, 2022. Ian intensified to Category 3 hurricane on the Saffir-Simpson scale by the time it made landfall in western Cuba early the next day. NASA's near real-time IMERG algorithm was used to estimate the precipitation from Ian during its formation and intensification. IMERG shows that Ian's largest rainfall accumulation so far, over 12 inches, occurred while it was only a tropical storm and not yet a hurricane. The National Hurricane Center provided an estimate of the distance that tropical storm-force winds extended from Ian's low-pressure