Alert archive / Arizona

Weather alerts in Maricopa County, Arizona

6,652 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Maricopa County and its neighbors

Each county as a circle sized by its count since 1986. Tap one for its archive.

Alerts
6,652
Warnings
3,384
Watches
298
Advisories
1,771
Busiest year
2022763 alerts
Average year
162over 41 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 product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

The latest warnings

The most recent on file, newest first.

IssuedProductOfficeLasted
Sep 16, 8:34 PM MSTAreal Flood WarningPSR12 hr
Sep 16, 5:04 PM MSTAreal Flood WarningPSR10 hr
Sep 16, 4:42 PM MSTAreal Flood WarningPSR10 hr
Sep 16, 4:18 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Sep 16, 3:42 PM MSTSevere Thunderstorm WarningPSR33 min
Sep 16, 2:13 PM MSTFlash Flood Warning Considerable damage threatPSR3 hr
Sep 16, 1:44 PM MSTFlash Flood WarningPSR3 hr
Sep 16, 1:26 PM MSTFlash Flood WarningPSR2 hr
Sep 16, 12:56 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Sep 16, 12:42 PM MSTFlash Flood Warning Considerable damage threatPSR5 hr
Sep 16, 12:34 PM MSTFlash Flood Warning Considerable damage threatPSR4 hr
Sep 16, 11:51 AM MSTFlash Flood WarningPSR4 hr

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive

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.