McIDAS images of 1-km resolution NOAA-15 0.6 µm visible channel and 10.8 µm IR channel images from 01:30 UTC on 16 July 2012 or 5:30 PM local time on 15 July (above) showed the development of the first thunderstorm recorded at Barrow, Alaska since July 2004:PUBLIC INFORMATION STATEMENT NATIONAL WEATHER... Read More
According to the Alaska Volcano Observatory, the Mount Cleveland volcano erupted around 22:05 UTC on 19 June 2012 (volcanic activity notice). A comparison of AWIPS images of the MODIS volcanic ash mass loading, ash height, and ash effective radius products (above) showed the volcanic ash plume about 1 hour and 40 minutes later (23:44 UTC). The... Read More
AWIPS images of Suomi NPP VIIRS 0.64 µm visible channel and 1.61 µm near-IR channel data (above) showed that there was a wide ice-free passage leading from the Bering Sea northward and northeastward through the Chukchi Sea toward Barrow, Alaska (station identifier PABR) on 14 June 2012. On the visible... Read More
A cluster of thunderstorms developed over the interior of Alaska during the afternoon hours on 04 June 2012, and moved westward across the region — one of the stronger storms produced half-inch size hail in the Fairbanks area. AWIPS images of 375-meter resolution (projected onto a 1-km resolution AWIPS grid)... Read More
