A QuickTime animation of GOES-12 imager 6.5 micrometer (“water vapor channel”) imagery (above) reveals an interesting vortex associated with a cutoff upper-level low which was migrating eastward from Illinois to Ohio on 13 Sepember. Several pulses of convection can be seen developing along the periphery... Read More

A large (208,000 acre) wildfire continued to burn near Derby Mountain in southwestern Montana on 12 September. A QuickTime animation of the 3.9 micrometer shortwave IR imagery from GOES-11, GOES-12, and GOES-13 (above) shows the “hot spots” associated with this fire — on the... Read More

Hurricane Florence passed very near Bermuda on 11 Sep (IR image | water vapor image), with a peak wind gust of 111 mph reported on the island. The radius of high winds associated with Florence was rather... Read More

Severe convection developed in eastern portions of the Texas panhandle region, which produced wind gusts to 67 mph and golf-ball size hail (1.75 inch diameter) around 20:20 to 20:30 UTC (3:20 to 3:30 PM local time) in parts of Cottle county, TX (the county outlined... Read More