Flash Flood Watches in Utah
239 flash flood watches since 1986. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Flash Flood Watches
- 239
- Busiest year
- 201038 flash flood watches
- Average year
- 13over 19 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- San Juan County98
- Grand County89
- Uintah County51
- Daggett County17
- Garfield County15
- Kane County15
- Washington County15
- Wayne County15
- Beaver County12
- Iron County12
- Piute County12
- Sevier County11
- Emery County10
- Carbon County5
- Duchesne County5
- Juab County5
- Millard County5
- Sanpete County5
- Utah County5
- Wasatch County5
- Salt Lake County4
- Summit County4
- Box Elder County1
- Cache County1
- Davis County1
- Morgan County1
- Rich County1
- Weber County1
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.