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Category: Severe convection

Severe thunderstorms producing strong winds and large hail in Wyoming, South Dakota, Nebraska and Kansas

** GOES-16 data posted on this page are preliminary, non-operational data and are undergoing testing **Clusters of severe thunderstorms developed over eastern Wyoming and the Nebraska panhandle during the afternoon on 27 June 2017, and increased in areal coverage and intensity as they moved eastward into the overnight hours. 1-minute interval Mesoscale Sector... Read More

Rapid convective development over Illinois and Wisconsin

** GOES-16 data posted on this page are preliminary, non-operational data and are undergoing testing **1-minute interval Mesoscale Sector GOES-16 Visible (0.64 µm) and Infrared Window (10.3 µm) images (above) showed the rapid development of convection across northern Illinois and southern Wisconsin on 14 June 2017. SPC storm reports indicated that these storms produced widespread hail, damaging... Read More