GOES-12 visible channel images (above; Java animation) showed a linear mesoscale convective system developing across parts of Iowa, Minnesota, and Wisconsin on 28 August 2007. Note the picturesque shadows cast by the individual cumulonimbus towers building in northeastern Iowa between 21:00 and 22:00 UTC. The larger cluster of thunderstorms in north-central/northeastern... Read More
An animation of GOES-11 water vapor channel images (above) showed that Atlantic Hurricane Dean made landfall in Mexico on 22 August 2007, and eventually emerged into the Pacific basin on 23 August; the middle/upper tropospheric moisture associated with the remnants of Dean then moved slowly northward across the Baja California... Read More
Portions of the Upper Mississippi River Valley region received very heavy rainfall during the last half of August 2007 — 10-20 inches (250-500 mm) of rain was observed in a 30-day period across parts of southeastern Minnesota and southwestern Wisconsin, and 30-day precipitation departures there were as much as 300-400% above normal. A MODIS true color image (using the CIMSS/SSEC “MODIS... Read More
After crossing the Yucatan Peninsula of Mexico, Hurricane Dean emerged into the Gulf of Mexico as a Category 1 storm late in the day on 21 August 2007. GOES-12 10.7µm IR imagery (above) shows a ragged eye associated with Dean; also note the burst of convection to the north and northwest of... Read More
