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1-hour Flash Flood Guidance for SR

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About Flash Flood Guidance:

National Weather Service (NWS) River Forecast Centers routinely issue Flash Flood Guidance throughout the day for every county in their area. The river forecast centers determine 1- 3- and 6-hour flash flood guidance values for all counties, and 12- and 24-hour values for parts of the eastern United States. The NWS Weather Forecast Offices use this guidance when issuing flash flood watches and warnings to the public.

Flash Flood Guidance estimates the average number of inches of rainfall for given durations required to produce flash flooding in the indicated county. These estimates are based on current soil moisture conditions. Note, in urban areas, less rainfall is required to produce flash flooding.

  • National Weather Service
  • Southern Region Headquarters
  • 819 Taylor Street, Room 10A06
  • Fort Worth, TX 76102
  • Page Author: NWS Fort Worth
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  • Page last modified: 23-Oct-2017 11:18 AM CDT is the U.S. government's official web portal to all federal, state and local government web resources and services.