IMERG

NASA Aids Response to Carolina Flooding

NASA Aids Response to Carolina Flooding

It was rain that wouldn't quit. A weather system fueled by warm moisture streaming in from the Atlantic Ocean on Oct. 3 and 4 relentlessly dumped between one and two feet of rain across most of South Carolina. The result was rivers topping their banks and dams bursting. Catastrophic flooding followed across most of the state, which has left residents in some areas without power or clean drinking water.

GPM Gets a Ton of Kilo

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The Global Precipitation Measurement (GPM) mission core satellite provided many views of Tropical Cyclone Kilo over its very long life. GPM is a satellite co-managed by NASA and the Japan Aerospace Exploration Agency that has the ability to analyze rainfall and cloud heights. GPM was able to provide data on Kilo over its 21 day life-span. 

Large Gap in Near-Realtime Data

Starting at 08:38 UTC PPS stopped getting data from the GPM Mission Operations Center.  Data was resumed at 17:21 UTC.  However, new GPS data was sent before older GPS data. The science data was sent out of order with the GPS data. This meant that about 125 mins of 1B and 1C GMI data had no geolocation and perhaps more after this had questionable geolocation. The same issues obviously also affected the radar and combined NRT which are just missing for the period between 8:30 UTC and 17:30 UTC.

IMERG Dataset Back Online

The issues with NOAA's 4-km Merged IR data are closed and the IMERG Early and Late Runs have been restarted from the point at which they stopped.  This will provide a continuous record for each, but it also means that it will take a while to process the backlog of data and catch up to the nominal latency. 

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