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

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

Visible imagery over Hurricane Milton after sunrise on 7 October, above, shows a compact system about 100 miles northwest of the Yucatan Peninsula. The predicted track of the storm center is superimposed on the imagery. Note that Milton’s sustained winds at 1500 UTC, 135 knots, represents an 80-knot increase over... Read More