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
Day Night band visible imagery (0.7 µm) from NOAA-21 shows the characteristic signal of Aurora Borealis over southern Canada early in the morning (0722 UTC, below and 0903 UTC, above) on 12 September 2024 (Imagery is taken from the CIMSS VIIRS Imagery Viewer). Lunar illumination on 12 September was not present because the... Read More
