Alert archive / Arizona / Maricopa County / 2021
Weather alerts in Maricopa County, Arizona, September 2021
39 weather alerts in September 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 39
- Warnings
- 11
- Watches
- 1
- Advisories
- 19
- Busiest day
- September 18, 202115 alerts
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 | Lasted |
|---|---|---|---|
| Sep 1, 12:02 AM MST | Areal Flood Advisory | PSR | 3 hr |
| Sep 1, 1:07 AM MST | Flash Flood Warning | PSR | 5 hr |
| Sep 1, 5:45 PM MST | Flash Flood Warning | PSR | 3 hr |
| Sep 1, 7:18 PM MST | Flash Flood Warning | PSR | 88 min |
| Sep 1, 9:35 PM MST | Areal Flood Advisory | PSR | 6 hr |
| Sep 1, 10:09 PM MST | Flash Flood Warning | PSR | 5 hr |
| Sep 1, 11:09 PM MST | Areal Flood Advisory | PSR | 7 hr |
| Sep 2, 12:41 AM MST | Areal Flood Advisory | PSR | 3 hr |
| Sep 2, 6:11 AM MST | Areal Flood Advisory | PSR | 3 hr |
| Sep 2, 3:25 PM MST | Special Weather Statement | PSR | 65 min |
| Sep 2, 3:51 PM MST | Areal Flood Advisory | PSR | 3 hr |
| Sep 5, 5:43 PM MST | Dust Storm Advisory | PSR | 89 min |
| Sep 6, 12:12 PM MST | Excessive Heat Warning | PSR | 3 days |
| Sep 7, 1:28 PM MST | Excessive Heat Watch | PSR | 23 hr |
| Sep 10, 2:19 AM MST | Excessive Heat Warning | PSR | 4 days |
| Sep 17, 3:03 PM MST | Areal Flood Advisory | PSR | 3 hr |
| Sep 18, 11:51 AM MST | Special Weather Statement | PSR | 24 min |
| Sep 18, 12:13 PM MST | Areal Flood Advisory | PSR | 22 min |
| Sep 18, 12:22 PM MST | Special Weather Statement | PSR | 38 min |
| Sep 18, 12:35 PM MST | Flash Flood Warning | PSR | 4 hr |
| Sep 18, 12:48 PM MST | Special Weather Statement | PSR | 27 min |
| Sep 18, 1:11 PM MST | Areal Flood Advisory | PSR | 2 hr |
| Sep 18, 1:30 PM MST | Special Weather Statement | PSR | 30 min |
| Sep 18, 1:39 PM MST | Special Weather Statement | PSR | 66 min |
| Sep 18, 1:46 PM MST | Areal Flood Advisory | PSR | 119 min |
| Sep 18, 2:15 PM MST | Dust Storm Advisory | PSR | 45 min |
| Sep 18, 2:54 PM MST | Dust Storm Advisory | PSR | 66 min |
| Sep 18, 3:00 PM MST | Severe Thunderstorm Warning | PSR | 45 min |
| Sep 18, 3:08 PM MST | Areal Flood Advisory | PSR | 3 hr |
| Sep 18, 3:17 PM MST | Dust Storm Warning | PSR | 43 min |
| Sep 18, 3:23 PM MST | Severe Thunderstorm Warning | PSR | 35 min |
| Sep 24, 6:13 AM MST | Areal Flood Advisory | PSR | 3 hr |
| Sep 24, 6:39 AM MST | Special Weather Statement | PSR | 51 min |
| Sep 24, 6:57 AM MST | Areal Flood Advisory | PSR | 3 hr |
| Sep 24, 7:37 AM MST | Areal Flood Advisory | PSR | 3 hr |
| Sep 24, 8:11 AM MST | Special Weather Statement | PSR | 34 min |
| Sep 24, 8:27 AM MST | Flash Flood Warning | PSR | 4 hr |
| Sep 30, 1:00 AM MST | Areal Flood Advisory | PSR | 3 hr |
| Sep 30, 3:39 PM MST | Areal Flood Advisory | PSR | 8 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 | 2 |
| Special Weather Statement | 8 |
| Flooding | |
| Flash Flood Warning | 6 |
| Areal Flood Advisory | 16 |
| Heat | |
| Excessive Heat Warning | 2 |
| Excessive Heat Watch | 1 |
| Wind and dust | |
| Dust Storm Warning | 1 |
| Dust Storm Advisory | 3 |
Nearby
Alerts in force nowTornadoes on recordForecastThe 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. Warning verification from the Mesonet's Cow. Rebuilt daily.