Alert archive / Arizona / Flash Flood Watches / 2021

Flash Flood Watches in Arizona, August 2021

12 flash flood watches in August 2021. 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 in August 2021. Tap one for its archive.

Flash Flood Watches
12
Busiest day
August 18, 20214 flash flood watches

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Aug 12, 11:48 AM MSTFlash Flood WatchTWCCochise, Graham, Greenlee, Pima, Pinal, Santa Cruz5 days
Aug 12, 1:30 PM MSTFlash Flood WatchPSRGila, Maricopa, Pinal5 days
Aug 13, 8:58 AM MSTFlash Flood WatchFGZCoconino, Gila, Yavapai17 hr
Aug 17, 1:37 PM MSTFlash Flood WatchFGZApache, Coconino, Navajo9 hr
Aug 17, 9:07 PM MSTFlash Flood WatchFGZApache, Coconino, Gila, Navajo, Yavapai26 hr
Aug 17, 9:08 PM MSTFlash Flood WatchPSRGila, Maricopa, Pinal23 hr
Aug 17, 9:37 PM MSTFlash Flood WatchTWCCochise, Graham, Greenlee, Pinal22 hr
Aug 18, 11:40 AM MSTFlash Flood WatchVEFMohave16 hr
Aug 30, 1:43 AM MSTFlash Flood WatchPSRGila, La Paz, Maricopa, Pinal, Yuma3 days
Aug 30, 2:00 AM MSTFlash Flood WatchFGZApache, Coconino, Gila, Navajo, Yavapai67 hr
Aug 30, 2:01 AM MSTFlash Flood WatchTWCCochise, Graham, Greenlee, Pima, Pinal, Santa Cruz60 hr
Aug 30, 3:28 AM MSTFlash Flood WatchVEFMohave59 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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. Warning verification from the Mesonet's Cow. Rebuilt daily.