This website works best with a newer web browser such as Chrome, Firefox, Safari or Microsoft Edge. Internet Explorer is not supported by this website.

Archive: Oct 2024

VIIRS, ABI, and NUCAPS over Alaska

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

Lake Effect Season begins

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

Aurora on 11 October

Another vivid auroral display occurred over the northern United States and southern Canada early on 11 October (and was also visible late on the 10th!). Day Night Band imagery from JPSS Satellites, above, show the patterns in the emitted energy.RealEarth includes Day Night Band imagery, as at this link. ... Read More