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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.
The flash flood guidance approach to developing flash flood warnings rests on the real-time comparison of observed or forecast rainfall volume of a given duration and over a given catchment to a characteristic volume of rainfall for that duration and catchment that generates bank full flow conditions at the catchment outlet. If the observed or ...
A flood warning is closely linked to the task of flood forecasting.The distinction between the two is that the outcome of flood forecasting is a set of forecast time-profiles of channel flows or river levels at various locations, while "flood warning" is the task of making use of these forecasts to make decisions about whether warnings of floods should be issued to the general public or ...
Flash Flood Warning: “Take Action! A Flash Flood Warning is issued when a flash flood is imminent or occurring. If you are in a flood prone area move immediately to high ground. A flash flood is ...
The warning was for Dallas County. According to the NWS, "The heavy rain has ended. Nuisance flooding of low-lying and/or poor drainage areas may continue for a few hours until the water has had a ...
All Flash Flood Warnings have expired in North Texas. 1:23 p.m. Texas Gov. Greg Abbott has activated some of the state's emergency resources due to potential severe weather across the state.
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 ...
Flooding is a threat across the United States year-round. In the first few weeks of July, the dangers of flash floods have plagued the Northeast, including Vermont's worst flood in over 100 years ...
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