A flash flood warning occurs when floodwaters threaten to rise in less than six hours. Sometimes they happen in just minutes. Experts advise to check local weather reports during flash flood watches and when encountering flooded roads, "Turn Around and Don’t Drown."
What you need to know about flash floods
hour1: 1:00 AM + 48 + 22
hour2: 2:00 AM + 47 + 85
hour3: 3:00 AM + 46 + 85