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IMERG precipitation estimates from Hurricane Fiona
In September 2022, Hurricane Fiona had impacts in the Caribbean, on Bermuda, and in Canada. NASA's satellites and science algorithms helped to monitor this hurricane in near real time.
GPM overpass of Typhoon Nanmadol
Super Typhoon Nanmadol became one of the strongest typhoons to threaten Japan since records began in 1951. Nanmadol began as a tropical disturbance, basically an area of active thunderstorms, on September 11th southeast of Iwo Jima about midway between Tokyo and Guam. After moving to the southwest for 2 days, this disturbance became better organized and formed into a depression on the 13th. The system then made a counterclockwise loop, moving first back to the northeast before turning back again towards the west. Over this time, the system slowly intensified, becoming Tropical Storm Nanmadol
IMERG totals from twin cyclones in the Indian Ocean
Over the past several days, a relatively rare event occurred in the eastern Indian Ocean: the formation of “twin” tropical cyclones. Tropical Cylones Karim and Asani formed at nearly the exact same time (06:00 UTC and 06:30 UTC, 12:00 pm and 12:30 pm local time) on May 7 on opposite sides of the Equator. Karim officially formed first in the southern hemisphere (SH) followed immediately by Asani in the northern hemisphere (NH). At first glance, the cyclones appear to be mirror images of one another with Asani rotating counterclockwise in the NH and Karim rotating clockwise in the SH roughly
IMERG rainfall totals in South Africa, April 5 - 18, 2022.
An upper-level area of low pressure tapped into the warm waters of the South Indian Ocean to bring heavy rains and flooding to parts of South Africa during the second week of April. The event unfolded when an upper-level trough of low pressure embedded within the midlatitude westerlies traversed the southern part of Africa from west to east. As the trough approached the east coast of South Africa, an area of low pressure became detached from the main flow, this “cut off” low then drifted over the warm waters of the Agulhas Current, which channels warmer waters from the tropical Indian Ocean
GPM Overpass of Typhoon Surigae
Although it was only the 2nd named storm of the 2021 Pacific typhoon season, Typhoon Surigae became not only the first super typhoon of the season, but also the strongest tropical cyclone of 2021 worldwide. The majority of storms in the Northwest Pacific region form between June and Nov., but the season runs yearlong, as storms can form in any month in this region, which stretches from 100 degrees East to 180 degrees East, north of the equator. Surigae originated from an area of low pressure about 700 miles south of Guam. Persistent thunderstorm activity resulted in the formation of a tropical