An animation of GOES-12 visible images from the CIMSS Tropical Cyclones site (above) shows that the northern eyewall of Hurricane Dean (rated Category 4, with maximum sustained winds of 145 mph) was affecting the southwestern portion of Jamaica on 19 August 2007. A visible image from NOAA-18 (below) gives a closer view, with some hints of mesovortex structure... Read More

The first documented F5 tornado damage on record in Canada occurred on 22 June 2007. GOES-12 10.7µm InfraRed channel imagery (above) and visible channel imagery (below) show the development of severe convection that spawned the tornado that struck the town of Elie in south-central Manitoba (just west of Winnipeg, station identifier CXWN)... Read More

Tropical Storm Barry formed in the eastern Gulf of Mexico on 01 June 2007 (the first official day of the Atlantic hurricane season). An AWIPS image of the GOES-12 10.7µm IR channel (above; Java animation) showed that... Read More

GOES-11 6.7µm “water vapor channel” imagery (above; QuickTime animation) revealed a textbook signature of an occluding cyclone over the Gulf of Alaska on 17 May 2007. A... Read More