Alert archive / Arizona / Severe Thunderstorm Warnings / 1990
Severe Thunderstorm Warnings in Arizona, August 1990
34 severe thunderstorm warnings in August 1990. 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 August 1990. Tap one for its archive.
- Severe Thunderstorm Warnings
- 34
- Busiest day
- August 12, 19907 severe thunderstorm warnings
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 8:17 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 58 min |
| Aug 3, 5:54 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 2 hr |
| Aug 3, 7:56 PM MST | Severe Thunderstorm Warning | TWC | Pima | 94 min |
| Aug 3, 9:01 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 119 min |
| Aug 5, 4:38 PM MST | Severe Thunderstorm Warning | FGZ | Maricopa | 2 hr |
| Aug 5, 4:38 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 2 hr |
| Aug 5, 5:24 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 111 min |
| Aug 5, 5:47 PM MST | Severe Thunderstorm Warning | PSR | Mohave | 118 min |
| Aug 5, 6:40 PM MST | Severe Thunderstorm Warning | PSR | La Paz, Mohave | 110 min |
| Aug 5, 8:35 PM MST | Severe Thunderstorm Warning | PSR | La Paz | 85 min |
| Aug 6, 3:00 PM MST | Severe Thunderstorm Warning | PSR | La Paz, Mohave | 3 hr |
| Aug 6, 3:40 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 110 min |
| Aug 6, 5:25 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 75 min |
| Aug 6, 5:25 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 110 min |
| Aug 6, 9:30 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 60 min |
| Aug 6, 9:30 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 50 min |
| Aug 11, 6:19 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 116 min |
| Aug 11, 6:26 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 64 min |
| Aug 11, 6:55 PM MST | Severe Thunderstorm Warning | PSR | La Paz | 2 hr |
| Aug 11, 7:08 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 2 hr |
| Aug 11, 7:27 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 63 min |
| Aug 11, 8:23 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 67 min |
| Aug 11, 9:15 PM MST | Severe Thunderstorm Warning | PSR | La Paz | 60 min |
| Aug 13, 8:03 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 117 min |
| Aug 14, 4:30 PM MST | Severe Thunderstorm Warning | PSR | La Paz, Yuma | 60 min |
| Aug 20, 4:05 PM MST | Severe Thunderstorm Warning | PSR | Greenlee | 25 min |
| Aug 21, 8:21 PM MST | Severe Thunderstorm Warning | PSR | Graham | 2 hr |
| Aug 27, 3:50 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 115 min |
| Aug 27, 5:00 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 2 hr |
| Aug 27, 7:00 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 60 min |
| Aug 28, 5:09 PM MST | Severe Thunderstorm Warning | PSR | Gila | 2 hr |
| Aug 29, 8:59 PM MST | Severe Thunderstorm Warning | PSR | Graham | 2 hr |
| Aug 29, 10:00 PM MST | Severe Thunderstorm Warning | PSR | Graham | 45 min |
| Aug 30, 5:41 PM MST | Severe Thunderstorm Warning | TWC | Pima | 64 min |
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 archive19891991
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.