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Extreme Weather News

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GPM Views Southeast Snowstorm

On February 20th and 21st, 2020, a winter storm brought the seasons largest snowfall to much of North Carolina and southern Virginia. The highest snow totals of 3-5 inches (7-12 cm) were located in northeast NC and southeast VA. GPM's radar captured captured the reflectivities shown in this cross-section as it flew over the snow storm on February 20th, with snow and frozen precipitation shown in blue and purple and rain shown in green and yellow. The melting layer marks the transition from snow to rain and slopes upward 2-3 km from central NC to the coast. These raw reflectivity measurements
Extratropical Storm Dennis, February 15, 2020
Storm Dennis is an extratropical cyclone that developed over the continental United States before undergoing explosive intensification as it crossed into the North Atlantic. On February 15 shortly after this GPM overpass, Dennis reached its minimum central pressure of 920 mb, which is reported to be the second-lowest on record for a North Atlantic winter storm. The eye can be seen south of Iceland, while rain bands to the south caused severe flooding across the British Isles. Text & Visualization by Jason West (NASA / KBR)

Heavy Rain Leads to Flooding in Brazil

UPDATE 2/12/2020: An extended IMERG analysis of rainfall in Brazil shows even more extreme rainfall occurring in the first weeks of February, with large regions experiencing rainfall totals over 18 inches since the start of 2020. According to local authorities, the region has already received 98% of the rainfall that is typically expected to fall during all of February. UPDATE 1/30/2020: During January 2020, parts of the Brazilian states of Minas Gerais and Espirito Santo experienced above average rainfall, causing deadly floods in the region. Part of the month's heavy rainfall came from a
Typhoon Kammuri Hits the Central Phiippines
While the Atlantic hurricane season officially ended on November 30th, Typhoon Kammuri (known as Tisoy in the Philippines), which recently struck the central Philippines as a powerful Category 4 typhoon, is a reminder that the Pacific typhoon season is not yet over. In fact, while typhoon season does peak from around June through November, similar to the Atlantic, typhoons can occur throughout the year in the Pacific. Kammuri first formed into a tropical depression from an area of low pressure on the 25th of November north of Micronesia in the west central Pacific about 500 miles southeast of Guam.