May 9, 2024
Severe thunderstorms impacted counties along the Red River and in the northeastern portions of North Texas on May 8th. Hail up to golf ball size was the main impact, but 2 small tornadoes occurred in rural parts of Lamar County. On May 9th, scattered thunderstorms developed along and ahead of a cold front as a shortwave trough moved overhead. These storms produced large hail up to softball size (in Hill County), damaging winds up to 80 mph (in Delta and Lamar counties), and flash flooding.
Source: NOAA National Weather Service Storm Events Database (event 1180714). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Grayson County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.