Potential Tropical Cyclone 6 was upgraded to Tropical Storm Fred at 03 UTC on 11 August 2021, just south of Puerto Rico — and 1–minute Mesoscale Domain Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.35 µm) images (above) showed Fred as it made landfall along the southern coast of the Dominican Republic around 18 UTC.Fred was moving through an environment... Read More
The Storm Prediction Center has placed much of southern Wisconsin in an Enhanced Risk (below; click here to view the image at the SPC website). By 1800 UTC, below, surface dewpoints in southern WI/eastern Iowa were at torrid levels, and mid-level lapse rates were steep as depicted in the SPC Mesoanalysis below.NOAA-20’s orbits... Read More
Severe thunderstorms developed over northeast Illinois late in the afternoon on 9 August, and a series of tornadoes resulted. Storm Reports (from the Storm Prediction Center) are shown below. The mp4 animation above (click here for a large animated gif) shows 1-minute GOES-16 Mesoscale Sector 2 visible imagery (0.64 µm) from... Read More
Tropical Storm Mirinae, shown above, to the east of Japan (click here to see the same image with latitude/longitude lines), was overflown on 8 August by Radar Constellation Mission Satellite one (RCM-1) at 2013 UTC. The Synthetic Aperture Radar (SAR) imagery (from this site) is shown below, with both polarities. The two... Read More
