Weather alerts in Arizona, 1987
37 weather alerts in 1987, 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 1987. Tap one for its archive.
- Alerts
- 37
- Warnings
- 37
- Watches
- 0
- Advisories
- 0
- Busiest month
- August12 alerts
- Busiest day
- October 29, 19876 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 |
|---|---|---|---|---|
| May 10, 4:37 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 68 min |
| May 14, 3:45 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 75 min |
| Jun 6, 7:00 PM MST | Flash Flood Warning | PSR | Mohave | 2 hr |
| Jul 16, 9:15 PM MST | Severe Thunderstorm Warning | PSR | Mohave | 60 min |
| Jul 27, 8:30 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 60 min |
| Jul 29, 2:40 PM MST | Flash Flood Warning | TWC | Cochise | 2 hr |
| Jul 31, 6:10 PM MST | Flash Flood Warning | PSR | Maricopa | 80 min |
| Jul 31, 6:10 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 80 min |
| Aug 2, 4:42 PM MST | Severe Thunderstorm Warning | TWC | Pima | 63 min |
| Aug 3, 7:04 PM MST | Severe Thunderstorm Warning | PSR | La Paz | 56 min |
| Aug 7, 10:40 AM MST | Severe Thunderstorm Warning | TWC | Cochise | 50 min |
| Aug 7, 1:21 PM MST | Flash Flood Warning | PSR | Graham | 84 min |
| Aug 7, 1:21 PM MST | Severe Thunderstorm Warning | PSR | Graham | 84 min |
| Aug 10, 6:10 PM MST | Flash Flood Warning | PSR | Gila, Maricopa, Pinal | 3 hr |
| Aug 26, 2:50 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima | 70 min |
| Aug 26, 3:50 PM MST | Severe Thunderstorm Warning | TWC | Santa Cruz | 70 min |
| Aug 29, 2:35 PM MST | Tornado Warning | PSR | Maricopa | 55 min |
| Aug 29, 3:34 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 56 min |
| Sep 4, 11:37 PM MST | Flash Flood Warning | PSR | La Paz, Mohave | 2 hr |
| Sep 22, 4:20 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 55 min |
| Sep 22, 5:13 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 47 min |
| Sep 22, 5:53 PM MST | Flash Flood Warning | PSR | Maricopa | 67 min |
| Sep 22, 5:53 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 67 min |
| Sep 24, 2:55 PM MST | Tornado Warning | PSR | La Paz | 35 min |
| Oct 24, 5:18 PM MST | Flash Flood Warning | PSR | Maricopa | 117 min |
| Oct 29, 3:55 PM MST | Flash Flood Warning | PSR | Maricopa | 65 min |
| Oct 29, 3:55 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 65 min |
| Oct 29, 4:45 PM MST | Flash Flood Warning | PSR | Maricopa | 2 hr |
| Oct 29, 4:45 PM MST | Flash Flood Warning | PSR | Gila, Yavapai | 2 hr |
| Oct 29, 4:45 PM MST | Severe Thunderstorm Warning | PSR | Gila, Yavapai | 2 hr |
| Oct 29, 4:45 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 2 hr |
| Nov 1, 12:21 AM MST | Severe Thunderstorm Warning | PSR | Maricopa | 39 min |
| Nov 1, 1:45 AM MST | Severe Thunderstorm Warning | TWC | Pima | 55 min |
| Nov 1, 2:16 AM MST | Tornado Warning | PSR | Maricopa | 59 min |
| Nov 1, 4:56 AM MST | Flash Flood Warning | PSR | Mohave | 2 hr |
| Nov 1, 5:35 AM MST | Severe Thunderstorm Warning | TWC | Pima, Santa Cruz | 115 min |
| Nov 1, 9:30 AM MST | Flash Flood Warning | PSR | Mohave | 4 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 | 21 |
| Tornado Warning | 3 |
| Flooding | |
| Flash Flood Warning | 13 |
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. Rebuilt daily.