NOAA-20 Day Night Band imagery from early morning (from the VIIRS Today website at CIMSS) on 19 November 2021 shows the impact of the total lunar eclipse on Day Night Band imagery. A lunar eclipse will always occur during a Full Moon; ample lunar illumination off the east coast accompanied that descending NOAA-20 pass between about 0635... Read More

Cold temperatures over the Great Lakes (the Green Bay 850-mb sounding temperatures, for example, were -11.9º C at 0000 UTC and -8.1º C at 1200 UTC) on 18-19 November 2021 generated extensive cloud cover and occasional snow showers. The nighttime microphysics RGB, above, showed extensive stratiform clouds downwind of Lake Michigan. The GOES-16 Cloud Top Phase product at this... Read More