Alert archive / Arizona / Flash Flood Watches

Flash Flood Watches in Arizona, 2020

16 flash flood watches in 2020. 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 2020. Tap one for its archive.

Flash Flood Watches
16
Busiest month
July4 flash flood watches
Busiest day
August 28, 20204 flash flood watches

Over time

By month

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
Feb 21, 2:34 AM MSTFlash Flood WatchPSRGila, Maricopa, Pinal42 hr
Feb 21, 10:31 AM MSTFlash Flood WatchTWCCochise, Graham, Greenlee, Pima, Pinal34 hr
Feb 21, 11:08 AM MSTFlash Flood WatchFGZGila34 hr
Mar 11, 3:30 AM MSTFlash Flood WatchVEFMohave48 hr
Mar 11, 3:31 AM MSTFlash Flood WatchFGZCoconino, Gila, Yavapai64 hr
Mar 11, 3:59 AM MSTFlash Flood WatchPSRGila, La Paz, Maricopa, Pinal, Yuma64 hr
Apr 6, 1:02 PM MSTFlash Flood WatchVEFMohave56 hr
Apr 6, 1:22 PM MSTFlash Flood WatchPSRLa Paz, Yuma53 hr
Jul 1, 1:47 PM MSTFlash Flood WatchTWCPima, Pinal30 hr
Jul 22, 1:24 PM MSTFlash Flood WatchPSRGila, Maricopa, Pinal31 hr
Jul 22, 1:35 PM MSTFlash Flood WatchTWCCochise, Graham, Greenlee, Pima, Pinal, Santa Cruz53 hr
Jul 24, 10:29 AM MSTFlash Flood WatchPSRGila8 hr
Aug 28, 1:03 PM MSTFlash Flood WatchVEF37 hr
Aug 28, 1:11 PM MSTFlash Flood WatchFGZGila, Yavapai58 hr
Aug 28, 1:24 PM MSTFlash Flood WatchPSRGila, La Paz, Maricopa, Pinal58 hr
Aug 28, 2:01 PM MSTFlash Flood WatchTWCCochise, Graham, Pima, Pinal, Santa Cruz54 hr

By county

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

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20192021

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.