Multiple rounds of severe thunderstorms moved northward across southern Arizona on 05 October 2010, producing hail as large as 2.5 inches in diameter, wind gusts as high as 75 mph, and rainfall in excess of 2 inches at some locations (SPC Storm Reports). According to NWS Phoenix, the 2.5 inch diameter hail was some of... Read More

The series of three 250-meter resolution MODIS true color Red/Green/Blue (RGB) images from the SSEC MODIS Today site (above) showed the changes in color of the Fall foliage across parts of the Upper Peninsula of Michigan, far northern Wisconsin, and the Arrowhead of northeastern Minnesota on 4 different days: 19 September, 26... Read More

The first lake-effect snow flurries of the season were observed in the Upper Peninsula of Michigan at Gwinn, Sawyer Airport (station identifier KSAW) on 02 October 2010. An AWIPS image of MODIS 11.0 µm IR channel data (above) showed a few disorganized cloud bands over Lake Superior, with the coldest... Read More