GPM Views Tropical Cyclone Forming Near Madagascar

The GPM core observatory satellite flew over a forming tropical cyclone in the South Indian Ocean between Madagascar and Reunion on February 8, 2016 at 2137 UTC. Low vertical wind shear will assist in the evolution of the tropical low as it moves slowly toward the southwest. Rainfall derived from GPM's Microwave Imager (GMI) and Dual-frequency Precipitation Radar (DPR) data revealed that powerful convective storms near Madagascar's eastern coast were found to be dropping rain at a rate of over 94 mm (3.7 inches) per hour. 3-D measurements were made of convective storm tops with GPM's radar

Intensifying Atlantic Storm Examined By GPM

On February 8, 2016 at 0800 UTC (3 AM EST) the GPM core observatory satellite flew above an intensifying storm in the Atlantic Ocean off the United State's East Coast. This storm is forecast by the National Weather Service (NWS) to bring strong winds, heavy rainfall, and coastal flooding to the Carolina's. Although the center of the storm is well off the coast, bands of precipitation from the storm are also expected to bring heavy snow to eastern New England. A rainfall analysis derived from data collected by GPM's Microwave Imager (GMI) and Dual-frequency Precipitation Radar (DPR) instruments

GPM Examines Violent Thunderstorms in U.S.

Severe weather moved through the southern U.S. on February 2 and 3, and NASA's Global Precipitation Measurement or GPM core satellite examined the violent thunderstorms. On February 3, 2016 at 1851 UTC (1:51 p.m. EST) the GPM core observatory satellite flew over a line of storms extending from the Gulf coast of Florida through New York state. Tornadoes were spotted in Georgia and South Carolina within this area of violent weather. GPM's Microwave Imager (GMI) and Dual-frequency Precipitation Radar (DPR) instruments measured the precipitation within the area. As the satellite passed above, GPM

Extreme Precipitation Measured From Space

For over a week the weather over the continental United State's has been punctuated by extreme events. Automobiles were thrown around on January 27, 2016 by tornadoes that hit southern Florida. On January 31 a winter storm with heavy rain, strong winds and isolated thunderstorms hit southern California killing at least one person. There were numerous reports of hail with these storms ranging from pea sized to up to an inch in diameter. Powerful winds with these storms also brought down trees and power lines. A blizzard that followed the Democratic and Republican caucuses in Iowa dropped over

OLYMPEX Successfully Grabs the Rains

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NASA is finishing its campaign to study extreme rain, snow and winds of the Olympic National Forest. Scientists Walt Petersen of NASA Marshall and Robert Houze of the University of Washington narrate this inside look at the Olympic Mountain Experiment (OLYMPEX) field campaign. During the campaign, NASA and its partners gathered precipitation data through both ground and airborne instruments around the Olympic Peninsula in Washington State. They measured the abundance and variety of precipitation including light rain, heavy thunderstorms, and snowfall in the coastal forest.