On Thursday at 7:21 p.m. the National Weather Service released a flood warning in effect until Friday at 6 a.m. for Choctaw, Clarke and Washington counties. The weather service describes, "Minor flooding is occurring and minor flooding is forecast for Tombigbee River near Coffeeville Dam." Deciphering advisories, watches, and warnings: Understanding weather alertsFlash flood warning: Take action! A flash flood warning is issued when a flash flood is imminent or occurring. A flood warning is issued when flooding is imminent or occurring.