GOES-16 data posted on this page are preliminary, non-operational data and are undergoing testingSoftball-sized hail fell in northwestern Iowa on Thursday afternoon, 29 June (Storm Prediction Center Storm Reports). The visible animation above, from 1902 to 2307 UTC, shows the rapid development of convection over far northeast Nebraska. Woodbury County in Iowa is outlined... Read More

** 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

#GOES16 RGB imagery shows rain and hail swath from a t-storm today. #NEwx #KSwx pic.twitter.com/pFooa7C5KZ — NWS Hastings (@NWSHastings) June 26, 2017 ** GOES-16 data posted on this page are preliminary, non-operational data and are undergoing testing **As indicated in the Tweet above from NWS Hastings, GOES-16 imagery highlighted the presence of a narrow... Read More

** GOES-16 data posted on this page are preliminary, non-operational data and are undergoing testing **A large Mesoscale Convective System (MCS)  developed over eastern Nebraska late in the day on 16 June 2017, which continued  to grow in size as it  propagated southeastward  and produced severe weather across western Iowa, northeastern Kansas ... Read More