New Delhi, Feb. 15 -- According to the National Weather Service (NWS), a significant flash flooding event is developing across the lower to mid-Mississippi, Tennessee, and Ohio Valleys. Severe thunderstorms in the Deep South will further exacerbate conditions.

Repeated rounds of storms will bring rainfall rates of 1-2 inches per hour, with total accumulations between 3-6 inches, and isolated areas potentially receiving up to 8 inches. Northwestern Tennessee and western Kentucky are at the highest risk, with a High Risk (level 4/4) of Excessive Rainfall issued by the NWS. Moderate and slight risks extend eastward into the Appalachians.

The Storm Prediction Center has also issued an Enhanced Risk (level 3/5) for severe weather, including ...