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A flash flood warning (SAME code: FFW) is a severe weather warning product of the National Weather Service that is issued by national weather forecasting agencies throughout the world to alert the public that a flash flood is imminent or occurring in the warned area.
Flash flood warning FFW – Flash flooding—either indicated by Doppler weather radar or stream gauges, or reported by Skywarn spotters or local emergency officials—is occurring, imminent, or highly likely in the short term. A flash flood is a flood that occurs within six hours of excessive rainfall and poses a threat to life and/or property ...
A watch does not mean that flooding is occurring, only that weather conditions have created or will create a significant risk for it. If flooding occurs, a flood warning or flash flood warning would be issued, and immediate action should be taken. A flood warning or flash flood warning is issued when flooding is imminent or already occurring.
Flash Flood Threat is the amount of rainfall of a given duration in excess of the corresponding Flash Flood Guidance value. The flash flood threat when used with existing or forecast rainfall then is an index that provides an indication of areas where flooding is imminent or occurring and where immediate action is or will be shortly needed.
A flash flood watch (SAME code: FFA; also referred as a "green box" by meteorologists) is severe weather watch product of the National Weather Service that is issued when conditions are favorable for flash flooding in flood-prone areas, usually when grounds are already saturated from recent rains, or when upcoming rains will have the potential ...
The flood warning was issued just before 3 a.m. local time and is set to expire at 1 p.m., according to the weather service. Red flag warnings issued amid high winds in the West
Flash flooding, some turning life-threatening, occurred around Dallas, including interstate 35 and farther to the east in northern Texas, to the north in Beware Dallas: Dangerous, disruptive flash ...
Flash flooding is already occurring or about to start due to the sudden downpour. “Turn around, don`t drown when encountering flooded roads,” forecasters said. “Most flood deaths occur in ...