Alert archive / Arizona / Red Flag Warnings / 2021
Red Flag Warnings in Arizona, May 2021
13 red flag warnings in May 2021. 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 red flag warnings reaches back to 2005.
Red Flag Warnings by county
Each county as a circle sized by its count in May 2021. Tap one for its archive.
- Red Flag Warnings
- 13
- Busiest day
- May 20, 20213 red flag 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 |
|---|---|---|---|---|
| May 1, 12:48 PM MST | Red Flag Warning | FGZ | Apache, Coconino, Navajo | 30 hr |
| May 1, 12:48 PM MST | Red Flag Warning | TWC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 31 hr |
| May 14, 12:39 PM MST | Red Flag Warning | VEF | Mohave | 30 hr |
| May 16, 2:18 AM MST | Red Flag Warning | TWC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 18 hr |
| May 18, 3:09 PM MST | Red Flag Warning | VEF | Mohave | 59 hr |
| May 19, 2:18 AM MST | Red Flag Warning | FGZ | Apache, Coconino, Navajo, Yavapai | 41 hr |
| May 19, 2:47 AM MST | Red Flag Warning | PSR | La Paz, Yuma | 41 hr |
| May 20, 2:18 AM MST | Red Flag Warning | FGZ | Coconino, Navajo, Yavapai | 42 hr |
| May 20, 3:52 AM MST | Red Flag Warning | VEF | Mohave | 40 hr |
| May 20, 9:53 AM MST | Red Flag Warning | TWC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 33 hr |
| May 21, 2:27 AM MST | Red Flag Warning | TWC | Cochise, Graham, Greenlee, Pima, Pinal, Santa Cruz | 42 hr |
| May 21, 1:38 PM MST | Red Flag Warning | FGZ | Apache, Coconino, Navajo | 30 hr |
| May 22, 3:11 AM MST | Red Flag Warning | PSR | Gila, Maricopa, Pinal | 15 hr |
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 archive20202022
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.