Source: National Weather Service http://www.floodsafety.noaa.gov/watch_warning.shtml Flash Flood Watch advisory, watch and warning TERMS TO KNOW: Watch vs. Warning National Weather Service http://www.floodsafety.noaa.gov/watch_warning.shtml http://www.floodsafety.noaa.gov/watch_warning.shtml http://www.floodsafety.noaa.gov/watch_warning.shtml Source: National Weather Service alerts and warnings Flash Flood Watch http://www.floodsafety.noaa.gov/watch_warning.shtml Flood Warning vs. Watch Flash Flood Watch