Strong convection in the late afternoon/early evening produced wind damage and heat bursts over southern Wisconsin late in the day on May 14, 2013 in a region where severe convection was not considered likely. GOES Sounder data did an excellent job of depicting the instability that developed in the late afternoon. The animation above shows... Read More

A large nocturnal mesoscale convective system (MCS) was moving eastward across the Gulf of Mexico during the pre-dawn hours on 01 May 2013. AWIPS images of Suomi NPP VIIRS 11.45 µm IR channel and 0.7 µm Day/Night Band (DNB) data with an overlay of cloud-to-ground lightning strikes (above) revealed numerous cloud-top gravity... Read More

A thunderstorm produced golf-ball-size hail that reportedly lasted up to 30 minutes at Kandahar, Afghanistan on 23 April 2013. This hail was responsible for 3 fatalities, and damaged dozens of US and British military helicopters and aircraft stationed at Kandahar International Airport. McIDAS images of EUMETSAT Meteosat-7 0.7 µm visible... Read More

Continuing on the theme of the previous blog post, AWIPS images of Suomi NPP VIIRS Day/Night Band (0.7 µm) and Infrared Window (11.45 µm) data (above) showed another large mesoscale convective system over the eastern Gulf of Mexico at 06:45 UTC or 4:45 AM... Read More