As an area of arctic high pressure settled over the Yukon region of northwestern Canada on 29 November 2012, strong radiational cooling led to very cold surface air temperatures (-49º F at Mayo, station identifier CYMA) and drainage of this cold, dense air into the valleys and lower elevations. An AWIPS image... Read More

Dense fog was a factor in causing a multiple-vehicle accident (an estimated 140 vehicles involved; 2 fatalities; dozens of injuries requiring transport to hospitals) along Interstate 10 between Houston and Beaumont in eastern Texas on the morning of 22 November 2012. The GOES-R Instrument... Read More

The animation above, showing the VIIRS Day/Night Band on Suomi NPP, as well as the GOES-R IFR Probability field that fuses together information from GOES-East and the Rapid Refresh, is offered as testimonial to the use of the Day/Night band in detecting the presence of low clouds. The Day/Night Band (that... Read More

A comparison of AWIPS images of Suomi NPP VIIRS 0.7 µm Day/Night Band and 11.45 µm IR channel data at 11:32 UTC (4:32 AM local time) on 06 October 2012 (above) demonstrated the value of using the Day/Night Band as “visible imagery at... Read More