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
In-flight turbulence affected Hawaiian Air Flight 51 (JFK to HNL) late in the afternoon on 17 November 2021 (Click here for the flight path from the flightaware website. A screen-capture of the flight levels, below (cropped from the FlightAware website), shows turbulence occurring between 0141 and 0145 UTC on 18 November as... Read More
GOES-17 (GOES-West) True Color RGB images created using Geo2Grid (above) showed a cyclonically-rotating actinoform cloud feature that was moving west-southwestward across the East Pacific Ocean (about midway between Hawai’i and California) on 16 November 2021.In GOES-17 Day Cloud Phase Distinction RGB images (below), the increasing shades of green exhibited by the curved bands of... Read More
MIMIC Total Precipitable Water, shown above, shows a narrow ribbon of rich moisture stretching from north of Hawaii northeastward to the Pacific Northwest. Rainfall associated with this Atmospheric Rivr resulted in widespread flooding over Washington State (USA) and British Columbia (Canada). The system also generated very strong winds.CMORPH estimates of... Read More
