As a follow-up to the previous blog post, cold air and lake-effect snow continued across the Great Lakes region on 05 February 2007. GOES-12 visible imagery (above; Java animation) revealed a narrow filament of Read More

The coldest air of the 2006-2007 winter season (surface temperatures on 04 February 2007 were as cold as -42º F / -41º C at Embarrass, Minnesota, -31º F / -35º C at Tomahawk, Wisconsin, and -21º F / -29º C at Randville,... Read More

An animation of 3-hourly water vapor channel image composites from AWIPS during the entire month of January 2007 (48 MB QuickTime animation; 1280×1024 screen resolution required) shows the diverse variety of storms that affected the Northern Hemisphere during that particular month.... Read More

GOES-12 visible channel images (above) revealed numerous aircraft dissipation trails — otherwise known as “distrails” or “hole punch clouds” — during the day over eastern Texas, northern Louisiana, southern Arkansas, and Mississippi on 29 January 2007. Corresponding GOES-12 10.7... Read More