The map above shows a band of heavy snow that fell across southern Minnesota (as much as 11.0 inches), northern Iowa (as much as 12.0 inches) and southern Wisconsin (as much as 9.4 inches) on 18 April 2018.Animations of 1-minute Mesoscale Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm), “Clean” Infrared Window (10.3 µm) and “Low-level” Water Vapor (7.3 µm)... Read More

1-minute Mesoscale Sector GOES-16 (GOES-East) Shortwave Infrared (3.9 µm) images (above) showed a number of “hot spot” signatures (dark black to red pixels) associated with grass fires that began burning in southeastern Colorado, southwest Kansas and the Oklahoma/Texas Panhandles on 17 April 2018. These fires spread very rapidly with strong surface winds (as high... Read More

A series of back-building thunderstorms produced very heavy rainfall and flash flooding (Public Information Statement | Local Storm Reports | CoCoRaHS) over the northern and eastern portion of Kauai on 14-15 April 2018. GOES-15 (GOES-West) Water Vapor (6.5 µm) and Infrared Window (10.7 µm) images (above) showed these deep convective storms, which exhibited cloud-top... Read More

1-minute Mesoscale Sector GOES-16 (GOES-East) “Red” Visible (0.64 µm) and Shortwave Infrared (3.9 µm) images (above) showed the development and rapid spread of grass fires in northwest Oklahoma on 12 April 2018. Hot fire pixels are highlighted as red on the Shortwave Infrared images — and the rapid northeastward run of the larger fires was... Read More