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Climate History: Exploring Climate Events and Human Development
TODAY

Image of Cloud Cloud Tops from CPC
Satellite-derived hourly IR temperatures for the past 24 hours. Blue shading indicates warmer cloud-top temperatures and possible stratiform precipitation and red shading indicates cold cloud-top temperatures and possible convective activity. IR temperatures are obtained from a merge of GOES 8, METEOSAT 7, and METEOSAT 5 satellites, and have latitudinally and seasonally dependent zenith angle corrections. Cloud top temperatures of 235° or colder are used in the CPC algorithm for computation of convective precipitation estimates. Note that not all cold cloud tops are associated with precipitation which reaches the surface of the earth. From NOAA's Climate Prediction Center.

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