Alert archive / Arizona / 2021
Weather alerts in Arizona, July 2021
1,358 weather alerts in July 2021, 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 July 2021. Tap one for its archive.
- Alerts
- 1,358
- Warnings
- 655
- Watches
- 22
- Advisories
- 258
- Busiest day
- July 23, 2021112 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
1,358 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.
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 | 236 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 11 |
| Special Weather Statement | 412 |
| Flooding | |
| Areal Flood Warning | 33 |
| Flash Flood Warning | 355 |
| Flash Flood Watch | 18 |
| Areal Flood Advisory | 224 |
| River Flood Advisory | 1 |
| Heat | |
| Excessive Heat Warning | 3 |
| Excessive Heat Watch | 2 |
| Wind and dust | |
| Dust Storm Warning | 25 |
| Blowing Dust Advisory | 9 |
| Dust Storm Advisory | 24 |
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.