The Arctic airmass that has overspread the eastern two-thirds of the United States is cold enough that sustained northerly winds down the length of Chesapeake Bay yielded snow showers over extreme southeastern Virginia and northeastern North Carolina. The Suomi/NPP Visible image, above, shows a distinct cloud band over the eastern... Read More
A number of multiple-vehicle accidents occurred in the Cincinnati, Ohio area when bands of heavy snow squalls moved through and caused white-out conditions that reduced visibility to near zero at times on 21 January 2012. McIDAS images of 1-km resolution GOES-13 0.63 µm... Read More
A comparison of AWIPS images of Suomi NPP VIIRS Visible (0.64 µm) and False Color Red-Green-Blue (RGB) composite (above) showed a number of horizontal convective roll clouds over parts of eastern North Dakota and northwestern Minnesota that had formed in response to strong northwesterly winds in the wake of an... Read More
A comparison of AWIPS images of 1-km resolution MODIS 0.65 µm visible, 11.0 µm IR, and 6.7 µm water vapor channel data (above) showed a textbook example of a “baroclinic leaf” satellite signature associated with the large storm affecting much of the eastern US on Read More
