Parts of northwestern Harris, southwestern Montgomery and northeastern Waller counties were briefly under a tornado warning Tuesday afternoon, the National Weather Service said, as the prospect of severe storms on Christmas Eve loomed.

A flash flood warning was issued in the Fort Worth, Texas, area on Tuesday as severe thunderstorms rage through the state. National Weather Service (NWS) meteorologists are warning that more thunderstorms may affect parts of Texas on Christmas Eve after a series of storms already prompted a flash flood warning on Tuesday afternoon.

A pair of storms will disrupt travel across the south-central U.S. during the Christmas holiday, bringing intense thunderstorms, flash flooding, and localized fog from Texas to Arkansas and Louisiana.