Severe thunderstorms during the early morning hours of February 29th, 2012 produced several tornadoes over Missouri, including one near Branson, and one near Lebanon. (Annotated SPC storm report map here, originally from here) The GOES-13 enhanced infrared images from 0615 UTC and from 0632 UTC... Read More
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
