Unseasonably strong thunderstorms in the Piedmont on the East Coast produced a variety of severe weather on February 24th. (Storm reports are here.) The image above was produced by the SSEC/CIMSS web map service at 2006 UTC on 24 February and includes radar reflectivities, watches/warnings, storm reports, and satellite-detected cloud... Read More
AWIPS images of GOES-15 6.5 µm water vapor channel data (above; click image to play animation) displayed a signal of strong subsidence around the eastern periphery of a middle-tropospheric ridge of high pressure located over the eastern North Pacific Ocean on 22 February 2012. Note the rapid warming of water vapor brightness... Read More
GOES water vapor imagery tells you how moist or how dry the middle to upper troposphere is, right? Well, in general, yes — but it’s important to remember that the water vapor imagery actually displays the temperature of a layer of moisture that is emitting radiation. This layer of moisture... Read More
AWIPS images of the 4-km resolution GOES-13 10.7 µm – 3.9 µm “fog/stratus product” (above; click image to play animation) showed a large area of fog and/or stratus (yellow to orange color enhancement) that was increasing in areal coverage during the pre-dawn hours on 06 February 2012. Although the fog/stratus... Read More
