Alert archive / Arizona / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Arizona, 1989
23 severe thunderstorm warnings in 1989. 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 1989. Tap one for its archive.
- Severe Thunderstorm Warnings
- 23
- Busiest month
- August16 severe thunderstorm warnings
- Busiest day
- August 16, 19894 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 4:16 PM MST | Severe Thunderstorm Warning | FGZ | Navajo | 29 min |
| Jul 8, 4:00 PM MST | Severe Thunderstorm Warning | TWC | Pima | 60 min |
| Jul 21, 6:57 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 93 min |
| Jul 27, 5:15 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 2 hr |
| Jul 30, 8:45 PM MST | Severe Thunderstorm Warning | PSR | La Paz, Maricopa | 60 min |
| Aug 5, 4:56 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 2 hr |
| Aug 5, 6:30 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 70 min |
| Aug 5, 6:35 PM MST | Severe Thunderstorm Warning | TWC | Pima | 115 min |
| Aug 6, 6:50 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 70 min |
| Aug 7, 4:15 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 3 hr |
| Aug 7, 5:04 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 71 min |
| Aug 9, 2:11 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 2 hr |
| Aug 9, 3:28 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 2 hr |
| Aug 9, 5:28 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 92 min |
| Aug 10, 2:45 PM MST | Severe Thunderstorm Warning | TWC | Pima, Santa Cruz | 75 min |
| Aug 11, 8:25 PM MST | Severe Thunderstorm Warning | TWC | Pima | 65 min |
| Aug 12, 5:00 PM MST | Severe Thunderstorm Warning | TWC | Pima | 60 min |
| Aug 15, 5:10 PM MST | Severe Thunderstorm Warning | TWC | Pima | 70 min |
| Aug 15, 10:03 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | |
| Aug 15, 10:03 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | |
| Aug 15, 11:59 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 61 min |
| Oct 21, 2:05 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 85 min |
| Oct 21, 2:05 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 85 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 archive19881990
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.