Alert archive / Arizona / Maricopa County / 2011
Weather alerts in Maricopa County, Arizona, September 2011
35 weather alerts in September 2011, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 35
- Warnings
- 17
- Watches
- 0
- Advisories
- 4
- Busiest day
- September 11, 201119 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 9, 1:00 PM MST | Mesoscale Discussion | SPC | 90 min |
| Sep 9, 7:09 PM MST | Severe Thunderstorm Warning | PSR | 36 min |
| Sep 9, 7:47 PM MST | Severe Thunderstorm Warning | PSR | 28 min |
| Sep 9, 8:13 PM MST | Special Weather Statement | PSR | 47 min |
| Sep 9, 8:24 PM MST | Areal Flood Advisory | PSR | 2 hr |
| Sep 9, 10:37 PM MST | Areal Flood Advisory | PSR | 113 min |
| Sep 10, 4:59 PM MST | Severe Thunderstorm Warning | PSR | 31 min |
| Sep 10, 5:34 PM MST | Severe Thunderstorm Warning | PSR | 56 min |
| Sep 10, 5:56 PM MST | Severe Thunderstorm Warning | PSR | 34 min |
| Sep 10, 6:05 PM MST | Tornado Warning | PSR | 15 min |
| Sep 10, 6:30 PM MST | Severe Thunderstorm Warning | PSR | 45 min |
| Sep 10, 7:17 PM MST | Severe Thunderstorm Warning | PSR | 25 min |
| Sep 10, 7:41 PM MST | Areal Flood Advisory | PSR | 2 hr |
| Sep 10, 7:48 PM MST | Severe Thunderstorm Warning | PSR | 27 min |
| Sep 10, 7:56 PM MST | Severe Thunderstorm Warning | PSR | 22 min |
| Sep 10, 8:29 PM MST | Areal Flood Advisory | PSR | 2 hr |
| Sep 10, 8:29 PM MST | Special Weather Statement | PSR | 46 min |
| Sep 11, 1:27 PM MST | Special Weather Statement | PSR | 48 min |
| Sep 11, 2:22 PM MST | Special Weather Statement | PSR | 38 min |
| Sep 11, 2:47 PM MST | Mesoscale Discussion | SPC | 2 hr |
| Sep 11, 3:01 PM MST | Special Weather Statement | PSR | 44 min |
| Sep 11, 3:11 PM MST | Severe Thunderstorm Warning | PSR | 49 min |
| Sep 11, 3:21 PM MST | Special Weather Statement | PSR | 39 min |
| Sep 11, 3:27 PM MST | Special Weather Statement | PSR | 48 min |
| Sep 11, 3:59 PM MST | Severe Thunderstorm Warning | PSR | 21 min |
| Sep 11, 4:13 PM MST | Severe Thunderstorm Warning | PSR | 38 min |
| Sep 11, 6:11 PM MST | Special Weather Statement | PSR | 49 min |
| Sep 11, 6:12 PM MST | Special Weather Statement | PSR | 48 min |
| Sep 12, 1:50 PM MST | Severe Thunderstorm Warning | PSR | 40 min |
| Sep 12, 3:13 PM MST | Severe Thunderstorm Warning | PSR | 32 min |
| Sep 12, 3:47 PM MST | Special Weather Statement | PSR | 43 min |
| Sep 12, 3:55 PM MST | Mesoscale Discussion | SPC | 2 hr |
| Sep 13, 3:42 PM MST | Special Weather Statement | PSR | 48 min |
| Sep 13, 3:56 PM MST | Severe Thunderstorm Warning | PSR | 49 min |
| Sep 13, 4:12 PM MST | Severe Thunderstorm Warning | PSR | 30 min |
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 | 16 |
| Tornado Warning | 1 |
| Mesoscale Discussion | 3 |
| Special Weather Statement | 11 |
| Flooding | |
| Areal Flood Advisory | 4 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20102012
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.