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IMERG Adds Up Ida's Rainfall

Hurricane Ida IMERG Totals
Thursday, September 2, 2021
All eyes were on Hurricane Ida as it made landfall in Louisiana on Aug. 29, 2021, but many people were taken by surprise by the power of Hurricane Ida's remnants when they reached Virginia during the day on Sept.1 and New York City late at night on Sept. 1 into early morning on Sept. 2. The below animation shows the precipitation that fell during the entire lifecycle of Ida from before landfall in Louisiana through the impacts on New York City. Download this video (right-click -> "Save As") This animation uses data from the near real-time version of NASA's IMERG algorithm, a data product that
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NASA's IMERG Estimates Of Rainfall Over The Eastern United States

NASA's IMERG Estimates Of Rainfall Over The Eastern United States
Most of the Eastern half of the United States had rainfall during the past week. Some parts of the country experienced heavy rainfall that resulted in flash floods and various other problems. Slow-moving storm systems and nearly stationary fronts were the cause of heavy rainfall over Virginia this past weekend. Several trees were brought down by a severe storm that hit Fredericksburg, Virginia Sunday Afternoon. Fallen trees blocked several roads, flash flooding occurred and electrical power was lost in that area. Continuing heavy rain also fell in Texas over the weekend. This provided some

Storm Brings Heavy Precip. to Northeast

Storm Brings Heavy Precipitation to Northeast
Friday, January 22, 2016
UPDATE 1/23/2016 5:00pm ET On January 23, 2016 at 1239 UTC (7:39 AM EST) the GPM core observatory passed above the deadly winter storm that was burying the Northeast under a deep layer of snow. As GPM passed above a band of snow was shown approaching the island of Manhattan. The winter storm was predicted to dump near record snowfall in New York city. GPM's Microwave Imager (GMI) and Dual-frequency Precipitation Radar (DPR) instruments showed massive amounts of moisture being transported from the Atlantic Ocean over states from New York westward through West Virginia. GPM's Radar instruments...
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