rainfall

International Charter activation for flood in Somalia

Homes flooded after river Shabelle ran over in Belet Weyne Capital City of Hiran, Somalia. Image: Ahmed Qeys.

The International Charter Space and Major Disasters has been activated for flooding in Somalia on 7 May, caused by weeks of heavy rainfall.

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Fri, 11/05/2018 - 09:46

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Using GPM software to track cyclone rainfall

The GPM core satellite found extremely heavy rainfall on 6 March on the east side of cyclone Hola. Image: NASA/JAXA, Hal Pierce

NASA’s Global

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Mon, 16/04/2018 - 11:12

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Accumulated Precipitation from IMERG

What is Accumulated

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Data application of the month: Accumulated Precipitation
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Precipitation-Generated Landslides on NASA's Catalog

Lanslide. Image: NASA

Extreme events like heavy rainfall, storms or hurricane activate landslides. Unstable soil surface conditions can make heavy rains act as the triggering point for mud, rocks and/or debris to move down from mountains and hillsides. These mass movements cause unexpected human and economical losses. Heavy rainfall is the most common cause for landslides although earthquakes, volcanic eruptions, erosion, collapse of groundwater reservoirs, ice melt can also cause them.

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Sat, 12/11/2016 - 04:50

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Heavy rainfall in the southeast of the United States of America

Map image courtesy of NASA Earth Observatory by Joshua Stevens, using IMERG data provided courtesy of the Global Precipitation Mission (GPM) Science Team's Precipitation Processing System (PPS). Caption by Pola Lem.

The Integrated Multi-satellite Retrievals for Global

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Fri, 12/08/2016 - 21:54

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Satellite imagery to compare extreme rainfalls events from the last year in Sri Lanka

Accumulated rainfall September 2014 and 2015; and Rainfall events from 21 – 30 Sept

The International Water Management Institute (IWMI) released some imagery from the satellite rainfall estimates for the current flood disasters in Sri Lanka. The Global Precipitation Mission (GPM) and Tropical Rainfall Measuring Mission (TRMM) revealed that the extraordinary flooding in Sri Lanka was caused by unusually strong monsoonal rainfall over the period between 10 September and 30 September 2014.

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Thu, 01/10/2015 - 22:37

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Data application of the month: Precipitation

GPM precipitation measurements of cyclone Pam departing Vanuatu on 17 March 2015. (Credit: NASA)

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Data application of the month: Precipitation
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New study suggests large organised storms cause rainfall increase

Large thunderstorms cause rainfall increase (Image: Flickr/ Barto)

A new study, partly based on satellite data, finds the cause of increasing rainfall in the wettest regions of the tropics: more frequent large and well-organised thunderstorms.

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Thu, 26/03/2015 - 15:53

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Satellite mapping to analyse rainfall impact in Africa

Satellite image of Sub-Saharan Africa (Image: NASA)

A study carried out by the University of Leicester has shown the amount of rainfall many African areas receive has drastically changed in the last ten years. It is an essential factor for vegetation, which plays a vital role in African livelihoods.

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Mon, 09/03/2015 - 11:42

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NASA releases first global rainfall and snowfall map

Global precipitation map (Image: NASA's Goddard Space Flight Center)

NASA’s Global

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Mon, 02/03/2015 - 14:13

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