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Category: Severe convection

Severe thunderstorm in Kansas

A large severe thunderstorm that was developing in southern Kansas during the afternoon hours on 15 June 2009 had a very nice satellite presentation on NOAA-15 visible and 10.8 µm IR imagery (above). A “warm trench” signature appeared to be surrounding the cluster of coldest pixels associated with the strongest... Read More

Convection in the Gulf of Mexico

AWIPS images of the 1-km resolution MODIS 11.0 µm  and the 4-km resolution GOES-12 10.7 µm “IR window” channels (above) showed a cluster of very cold cloud top temperatures (-88º C on MODIS, and -82º C on GOES, violet colors) associated with deep convection over the northwestern Gulf of Mexico... Read More