Tropical Storm Nadine made landfall in Belize on 19 October (at 1600 UTC), and parts of this system then crossed Central America and entered the Pacific Ocean (Here is the NHC discussion that mentions this — from 1500 UTC on 20 October). Tropical Storm Kristy formed off the coast of Mexico later in the day on the... Read More
MIMIC Total Precipitable Water fields for the 24 hours ending 1800 UTC on 21 October 2024, above, show a stream of rich moisture pulled northward into Alaska ahead of a strong storm over western Russia. The result was large snowfall rates over much of central and northern Alaska, as shown... Read More
VIIRS infrared imagery (I05 imagery at 11.45 µm) from the NOAA-21 (mislabeled, alas, at Suomi NPP) show high-resolution infrared imagery at about 90-minute time-steps. Cold Cloud tops associated with a low pressure system bringing light snow to northern Alaska are apparent — but during the gap from 00-08 UTC on... Read More
CSPP Geosphere imagery, above (link), shows a band of cumulus clouds over central Lake Michigan. The still image, below, from 1600 UTC shows cool air and surface winds converging into this band. The toggle from 1201 UTC, below, shows the band in the Night Microphysics RGB with NEXRAD reflectivity overlain,... Read More
