AWIPS images of the 1-km resolution MODIS visible, 11.0 µm IR window, and 3.7 µm shortwave IR channel data (above) showed some interesting differences in the appearance of convective storm tops over the northern and central Rocky Mountain region on 06 July 2009. Note that some portions of the storm... Read More
GOES-12 visible images (above) showed a nice example of convective initiation along an outflow boundary from thunderstorms a few hours earlier across northeastern Iowa on 25 June 2009. This new convection that developed along the outflow boundary produced hail of 1.5 inch in diameter and damaging winds in extreme northern Illinois (just... Read More
A cluster of thunderstorms developed over extreme northeastern Iowa and extreme southeastern Minnesota, and merged into a large Mesoscale Convective System (MCS) across southern Wisconsin during the early hours of 19 June 2009. AWIPS images of the 4-km resolution GOES-12 10.7 µm IR channel (above) displayed the rapid growth of this MCS,... Read More
A large severe thunderstorm that was developing in southern Kansas during the afternoon hours on 15 June 2009 had a very nice satellite presentation on NOAA-15 visible and 10.8 µm IR imagery (above). A “warm trench” signature appeared to be surrounding the cluster of coldest pixels associated with the strongest... Read More
