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Content which is affiliated solely with the Global Precipitation Measurement Mission.

GPM Views Tropical Cyclone Zena Hitting Vanuatu

GPM Views Tropical Cyclone Zena Hitting Vanuatu
Tropical Cyclone Zena (18P) formed in the South Pacific Ocean near Vanuatu early on April 5, 2016. The GPM core observatory satellite flew directly above the newly formed tropical cyclone on April 5, 2016 at 1023 UTC. Intensifying tropical cyclone Zena was buffeting Vanuatu with sustained winds estimated to be over 35 kts (40 mph). A rainfall analysis derived from GPM's Microwave Imager (GMI) and Dual-Frequency Precipitation Radar (DPR) instruments shows that very powerful storms moving through the islands were dropping rain at a rate of almost 154 mm (6 inches) per hour in intense downpours

IMERG Measures Flooding Rainfall In Pakistan

IMERG Measures Flooding Rainfall In Pakistan
Over the past few days heavy rainfall caused flooding that killed more than 50 people in northwestern Pakistan. Heavy pre-monsoon rainfall moved through the area resulting in extensive damage in the Swat Valley northwest of Islamabad the capital of Pakistan. Data from NASA's Integrated Multi-satellitE Retrievals for GPM (IMERG) were used to estimate the rainfall that occurred from April 1-4, 2016. Up to 308 mm (12.1 inches) estimated by IMERG to have fallen during this period.

GPM Satellite Examines Tornadic Thunderstorms

GPM Satellite Examines Tornadic Thunderstorms
Over the past few days tornado spawning thunderstorms have occurred in the states of Texas, Oklahoma, Arkansas, Louisiana, Indiana, Mississippi, Alabama and Georgia. Large hail, damaging winds, and flash flooding associated with a frontal system moving across the United States have compounded the damage from these storms. Hail the size of a half-dollar was reported near Jackson, Louisiana on Thursday evening. The GPM core observatory satellite flew over this stormy area on April 1, 2016 at 0241 UTC (March 31, 2016 at 10:41 PM EDT). Tornadoes were reported in Mississippi, Alabama and Georgia

Why Do Raindrop Sizes Matter In Storms?

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Not all raindrops are created equal. The size of falling raindrops depends on several factors, including where the cloud producing the drops is located on the globe and where the drops originate in the cloud. For the first time, scientists have three-dimensional snapshots of raindrops and snowflakes around the world from space, thanks to the joint NASA and Japan Aerospace Exploration Agency Global Precipitation Measurement (GPM) mission.

GPM Measures Raindrop Sizes From Space

Measures Raindrop Sizes From Space
Thursday, March 31, 2016
Not all raindrops are created equal. The size of falling raindrops depends on several factors, including where the cloud producing the drops is located on the globe and where the drops originate in the cloud. For the first time, scientists have three-dimensional snapshots of raindrops and snowflakes around the world from space, thanks to the joint NASA and Japan Aerospace Exploration Agency Global Precipitation Measurement (GPM) mission. With the new global data on raindrop and snowflake sizes this mission provides, scientists can improve rainfall estimates from satellite data and in numerical...
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Early Spring Storm Brings Snow to Parts of Colorado, Midwest

Early Spring Storm Brings Snow to Parts of Colorado, Midwest
A strong, upper-level trough that dropped down into the Central Rockies in the middle of last week produced an early spring storm (also referred to as Winter Storm Selene) that dumped heavy snow on the order of a foot or more in a short period of time along the Front Range of Colorado from near Colorado Springs northward through Denver and up into southeastern Wyoming. Around 2 feet of snow were reported in places like Aurora and Boulder with some of the highest totals reaching 31 inches. Farther to the north, Cheyenne, Wyoming picked up over 14 inches of snow from the storm. The blizzard

Tropical Cyclone Emeraude Viewed By GPM

Tropical Cyclone Emeraude Viewed By GPM
As expected, tropical cyclone Emeraude formed on March 15, 2016 from a tropical low (99s) in the South Indian Ocean. The GPM core observatory satellite flew above intensifying Emeraude on March 16, 2016 at 2121Z after the tropical cyclone's maximum sustained winds had increased to greater than 90 kts (103.5 mph). Rainfall just northwest of Emeraude's eye was measured by GPM's Dual-Frequency Precipitation Radar (DPR) instrument falling at a rate of over 209 mm (8.2 inches) per hour. The powerful thunderstorms producing this extreme rainfall were measured by GPM's radar (DPR) reaching an

GPM Spots Potential South Indian Ocean Tropical Cyclone

The GPM Core Observatory satellite saw possible tropical cyclone formation in the South Indian ocean on March 15, 2016 at 0900 UTC. A rainfall analysis using data collected by GPM's Microwave Imager (GMI) and Dual-Frequency Precipitation Radar (DPR) shows rain bands wrapping around a tropical low. GPM's DPR measured rain falling at the extreme rate of over 220 mm (8.7 inches) per hour in powerful storms south of the low's center of circulation. GPM's radar (DPR Ku Band) data were able to show the 3-D structure of precipitation within the tropical low. Storm tops heights were measured by GPM

File Naming Convention for Precipitation Products For the Global Precipitation Measurement (GPM) Mission

Document Description

This document describes the file naming conventions that will be used to name data products produced by the Precipitation Processing System (PPS) for the Global Precipitation Measurement (GPM) Mission. 

Torrential Rain Over South Measured From Space

Extremely heavy rain fell over the southern United States during the past week. A slow moving area of low pressure pumped moisture from the Gulf Of Mexico causing torrential rain that resulted in wide spread flooding in states from Texas to Tennessee. Over 24 inches of rain was reported in Monroe, Louisiana. Over 4,958 homes in Louisiana were reportedly damaged by the flooding. Strong winds accompanying intense thunderstorms also toppled trees in Mississippi and Louisiana. A simulated 3-D animation of NASA merged satellite rainfall analysis (TMPA) using data collected from March 7-14, 2016
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