National Weather Service United States Department of Commerce

Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Fig. 10. The KMAF 88D base reflectivity from 1729 to 2025 UTC showed Tropical Storm Claudette as it crossed the Rio Grande River into west Texas. The storm’s central circulation and convective spiral bands are easily seen. In addition, data from the Lightning Detection Network depicted very few cloud-to-ground strikes within the storm’s central precipitation shield with a much higher frequency of lighting strikes in the convective bands.