5-minute CONUS Sector GOES-18 (GOES-West) and GOES-19 (GOES-East) Nighttime Microphysics RGB + daytime True Color RGB images from the CSPP GeoSphere site (above) showed a lake effect cloud plume that developed over the southern half of Great Salt Lake on 17 April 2026 — which produced a swath of light snowfall downwind (southeast) of the lake... Read More
5-minute CONUS Sector GOES-19 (GOES-East) Visible images (above) included plots of surface wind barbs — which showed a general easterly to southeasterly flow in the vicinity of Lake Erie, as high pressure was moving east of the Great Lakes (surface analyses) on 02 March 2026. A number of new ice leads opened... Read More
5-minute CONUS Sector GOES-19 (GOES-East) Near-Infrared “Snow Ice” images along with Radar Reflectivity images (above) showed a band of clouds producing precipitation that was moving southward across the North Dakota/Minnesota border region on 27 February 2026. Moderate to heavy snow produced by this feature — along with blowing snow created by strong... Read More
A narrow, but intense snow band formed over an area stretching from central Iowa to southwestern Wisconsin over the the night of 19 February into the morning of 20 February. Localized accumulations reached a foot in parts of northeast Iowa. This map from the La Crosse, WI, National Weather Service... Read More
