Weather alerts in Arizona, 1991
52 weather alerts in 1991, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 1991. Tap one for its archive.
- Alerts
- 52
- Warnings
- 52
- Watches
- 0
- Advisories
- 0
- Busiest month
- September22 alerts
- Busiest day
- August 15, 19916 alerts
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 |
|---|---|---|---|---|
| Mar 1, 12:39 PM MST | Flash Flood Warning | FGZ | Gila, Maricopa | 8 hr |
| Mar 1, 12:39 PM MST | Flash Flood Warning | FGZ | Yavapai | 8 hr |
| Mar 20, 5:09 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 2 hr |
| Mar 27, 12:41 PM MST | Flash Flood Warning | PSR | Yuma | 34 min |
| Mar 27, 12:41 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 34 min |
| Jul 8, 12:40 PM MST | Flash Flood Warning | VEF | Mohave | 2 hr |
| Jul 29, 3:15 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 2 hr |
| Aug 10, 6:34 PM MST | Flash Flood Warning | PSR | Mohave | 3 hr |
| Aug 10, 8:19 PM MST | Severe Thunderstorm Warning | PSR | La Paz, Mohave | 56 min |
| Aug 11, 5:50 AM MST | Flash Flood Warning | FGZ | Maricopa | 2 hr |
| Aug 11, 5:50 AM MST | Flash Flood Warning | FGZ | Yavapai | 2 hr |
| Aug 14, 5:36 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 69 min |
| Aug 14, 7:32 PM MST | Flash Flood Warning | PSR | Graham | 118 min |
| Aug 14, 7:32 PM MST | Severe Thunderstorm Warning | PSR | Graham | 118 min |
| Aug 14, 9:35 PM MST | Flash Flood Warning | PSR | Graham | 115 min |
| Aug 14, 9:35 PM MST | Severe Thunderstorm Warning | PSR | Graham | 115 min |
| Aug 14, 11:37 PM MST | Flash Flood Warning | PSR | Cochise, Graham, Greenlee | 83 min |
| Aug 15, 5:03 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 57 min |
| Aug 15, 5:22 PM MST | Flash Flood Warning | TWC | Cochise | 2 hr |
| Aug 22, 4:47 PM MST | Severe Thunderstorm Warning | PSR | Gila, Pinal | 58 min |
| Aug 22, 7:20 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 115 min |
| Aug 24, 2:32 PM MST | Flash Flood Warning | PSR | Maricopa | 58 min |
| Aug 24, 2:32 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 58 min |
| Aug 24, 4:42 PM MST | Flash Flood Warning | PSR | Maricopa | 2 hr |
| Aug 24, 4:42 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 2 hr |
| Aug 24, 6:34 PM MST | Flash Flood Warning | PSR | Gila, Pinal | 116 min |
| Aug 24, 7:44 PM MST | Flash Flood Warning | PSR | Maricopa | 61 min |
| Aug 30, 3:40 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 65 min |
| Sep 1, 4:40 PM MST | Flash Flood Warning | TWC | Pima, Santa Cruz | 2 hr |
| Sep 2, 2:14 PM MST | Flash Flood Warning | TWC | Pima | 2 hr |
| Sep 2, 2:14 PM MST | Severe Thunderstorm Warning | TWC | Pima | 2 hr |
| Sep 3, 6:06 PM MST | Flash Flood Warning | PSR | La Paz, Mohave | 69 min |
| Sep 3, 6:06 PM MST | Severe Thunderstorm Warning | PSR | La Paz, Mohave | 69 min |
| Sep 4, 6:10 PM MST | Flash Flood Warning | PSR | La Paz | 2 hr |
| Sep 4, 6:10 PM MST | Flash Flood Warning | PSR | Yuma | 2 hr |
| Sep 4, 6:21 PM MST | Severe Thunderstorm Warning | PSR | La Paz, Yuma | 99 min |
| Sep 5, 4:21 PM MST | Flash Flood Warning | FGZ | Gila, Yavapai | 4 hr |
| Sep 5, 4:21 PM MST | Flash Flood Warning | FGZ | Maricopa | 4 hr |
| Sep 19, 5:17 PM MST | Flash Flood Warning | PSR | La Paz | 118 min |
| Sep 19, 5:17 PM MST | Severe Thunderstorm Warning | PSR | La Paz | 118 min |
| Sep 19, 6:45 PM MST | Flash Flood Warning | PSR | La Paz, Mohave | 2 hr |
| Sep 19, 6:45 PM MST | Severe Thunderstorm Warning | PSR | La Paz, Mohave | 2 hr |
| Sep 19, 8:25 PM MST | Flash Flood Warning | PSR | Yuma | 75 min |
| Sep 19, 8:25 PM MST | Severe Thunderstorm Warning | PSR | Yuma | 75 min |
| Sep 20, 5:06 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 104 min |
| Sep 20, 5:06 PM MST | Flash Flood Warning | PSR | Yavapai | 104 min |
| Sep 22, 3:44 PM MST | Flash Flood Warning | PSR | Mohave | 2 hr |
| Sep 22, 3:44 PM MST | Severe Thunderstorm Warning | PSR | Mohave | 2 hr |
| Sep 22, 5:15 PM MST | Flash Flood Warning | PSR | Mohave | 105 min |
| Sep 22, 5:15 PM MST | Severe Thunderstorm Warning | PSR | Mohave | 105 min |
| Dec 19, 11:41 AM MST | Flash Flood Warning | PSR | Maricopa | 2 hr |
| Dec 19, 11:41 AM MST | Severe Thunderstorm Warning | PSR | Maricopa | 2 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 23 |
| Flooding | |
| Flash Flood Warning | 29 |
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 archive19901992
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.