Alert archive / Arizona / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Arizona, 1987

21 severe thunderstorm warnings in 1987. 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 severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in 1987. Tap one for its archive.

Severe Thunderstorm Warnings
21
Busiest month
August8 severe thunderstorm warnings
Busiest day
October 29, 19873 severe thunderstorm warnings

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
May 10, 4:37 PM MSTSevere Thunderstorm WarningPSRMaricopa, Pinal68 min
May 14, 3:45 PM MSTSevere Thunderstorm WarningPSRMaricopa75 min
Jul 16, 9:15 PM MSTSevere Thunderstorm WarningPSRMohave60 min
Jul 27, 8:30 PM MSTSevere Thunderstorm WarningPSRMaricopa60 min
Jul 31, 6:10 PM MSTSevere Thunderstorm WarningPSRMaricopa80 min
Aug 2, 4:42 PM MSTSevere Thunderstorm WarningTWCPima63 min
Aug 3, 7:04 PM MSTSevere Thunderstorm WarningPSRLa Paz56 min
Aug 7, 10:40 AM MSTSevere Thunderstorm WarningTWCCochise50 min
Aug 7, 1:21 PM MSTSevere Thunderstorm WarningPSRGraham84 min
Aug 26, 2:50 PM MSTSevere Thunderstorm WarningTWCCochise, Pima70 min
Aug 26, 3:50 PM MSTSevere Thunderstorm WarningTWCSanta Cruz70 min
Aug 29, 3:34 PM MSTSevere Thunderstorm WarningPSRMaricopa56 min
Sep 22, 4:20 PM MSTSevere Thunderstorm WarningPSRMaricopa55 min
Sep 22, 5:13 PM MSTSevere Thunderstorm WarningPSRMaricopa47 min
Sep 22, 5:53 PM MSTSevere Thunderstorm WarningPSRMaricopa67 min
Oct 29, 3:55 PM MSTSevere Thunderstorm WarningPSRMaricopa65 min
Oct 29, 4:45 PM MSTSevere Thunderstorm WarningPSRGila, Yavapai2 hr
Oct 29, 4:45 PM MSTSevere Thunderstorm WarningPSRMaricopa2 hr
Nov 1, 12:21 AM MSTSevere Thunderstorm WarningPSRMaricopa39 min
Nov 1, 1:45 AM MSTSevere Thunderstorm WarningTWCPima55 min
Nov 1, 5:35 AM MSTSevere Thunderstorm WarningTWCPima, Santa Cruz115 min

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 archive19861988

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.