An AWIPS II image comparison of Suomi NPP VIIRS 0.64 µm visible channel data and the corresponding “Snow/cloud discrimination” Red/Green/Blue (RGB) product (above) provided a glimpse of many of the areas of ice coverage on the Great Lakes at 18:06 UTC on 29... Read More

A strong and persistent ridge of high pressure aloft (GOES water vapor image animation) along with a northward push of unusually warm air behind a poleward-moving frontal boundary (GOES... Read More

A relatively rare winter storm produced snowfall, sleet, and freezing rain (storm reports) across parts of far eastern Texas, central Louisiana, and southwestern Mississippi during the 23 January – 24 January 2014 time... Read More

Due to illumination by moonlight — the Moon was in the waning crescent phase, at 40% of full — a broad area of snow cover could be seen over parts of the High Plains and Foothills regions of the US on an AWIPS image of Suomi NPP VIIRS 0.7 µm... Read More