1-minute GOES-18 Shortwave Infrared (3.9 µm) images, from 0631-2130 UTC on 10th December [click to play MP4 animation] 1-minute Mesoscale Domain Sector GOES-18 (GOES-West) Shortwave Infrared images (above) displayed a pronounced thermal signature associated with the Franklin Fire, which began

GOES-East Night Fog Brightness Temperature Difference (10.3 µm – 3.9 µm) and Nighttime microphysics RGB, 1346 UTC pm 9 December 2024 (click to enlarge) Fog and Low Clouds are an important hazard with respect to air and surface travel. How

The GOES (Geostationary Operational Environmental Satellite) have been around since 1975, although there were earlier non-operational versions operated by NASA, such as ATS, which carried UW/Madison’s Verner Suomi‘s Spin-Scan Cloudcover Camera. The ATS was followed by the SMS, which carried

GOES-16 Red Visible (0.64 µm) images from 1401-2201 UTC on 04 December, with/without plots of 15-minute METAR surface reports (cyan), Snow Squall Warnings (red polygons) and Winter Weather Advisories (purple polygons). Interstate Highways are plotted in dotted violet. [click to

NEXRAD relfectivity over the northeastern US and Great Lakes, 1503-1813 UTC on 29 November 2024 (Click to enlarge) Cold air over the Great Lakes (see the plot of 850-mb temperature from RAOB stations at 1200 UTC below; note the similarity

GOES-19 (Preliminary/Non-operational) Day Cloud Phase Distinction RGB images, from 1431-2216 UTC on 25 November [click to play animated GIF | MP4] GOES-19 (Preliminary/Non-operational) Day Cloud Phase Distinction RGB images (above) — created using Geo2Grid — displayed “lake effect” clouds (shades