Alert archive / Arizona / Maricopa County / 2020
Weather alerts in Maricopa County, Arizona, August 2020
103 weather alerts in August 2020, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 103
- Warnings
- 43
- Watches
- 4
- Advisories
- 29
- Busiest day
- August 21, 202026 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 |
|---|---|---|---|
| Aug 2, 1:52 AM MST | Excessive Heat Warning | PSR | 66 hr |
| Aug 6, 2:14 AM MST | Excessive Heat Watch | PSR | 35 hr |
| Aug 7, 1:13 PM MST | Excessive Heat Warning | PSR | 3 days |
| Aug 10, 2:20 AM MST | Excessive Heat Watch | PSR | 35 hr |
| Aug 11, 1:27 PM MST | Excessive Heat Warning | PSR | 9 days |
| Aug 11, 1:27 PM MST | Heat Advisory | PSR | 9 days |
| Aug 11, 6:35 PM MST | Dust Storm Advisory | PSR | 55 min |
| Aug 11, 7:08 PM MST | Dust Storm Advisory | PSR | 67 min |
| Aug 11, 7:38 PM MST | Dust Storm Advisory | PSR | 67 min |
| Aug 13, 4:53 PM MST | Special Weather Statement | PSR | 22 min |
| Aug 13, 5:21 PM MST | Dust Storm Advisory | PSR | 39 min |
| Aug 13, 5:57 PM MST | Special Weather Statement | PSR | 33 min |
| Aug 16, 10:36 AM MST | Blowing Dust Advisory | PSR | 11 hr |
| Aug 16, 1:21 PM MST | Mesoscale Discussion | SPC | 114 min |
| Aug 16, 5:35 PM MST | Severe Thunderstorm Warning | PSR | 25 min |
| Aug 16, 5:47 PM MST | Dust Storm Advisory | PSR | 58 min |
| Aug 16, 5:57 PM MST | Special Weather Statement | PSR | 33 min |
| Aug 16, 6:03 PM MST | Dust Storm Warning | PSR | 87 min |
| Aug 16, 6:13 PM MST | Special Weather Statement | PSR | 32 min |
| Aug 16, 6:28 PM MST | Special Weather Statement | PSR | 32 min |
| Aug 16, 6:43 PM MST | Dust Storm Advisory | PSR | 62 min |
| Aug 16, 7:29 PM MST | Dust Storm Warning | PSR | 61 min |
| Aug 16, 8:03 PM MST | Dust Storm Advisory | PSR | 57 min |
| Aug 16, 8:30 PM MST | Dust Storm Warning | PSR | 60 min |
| Aug 16, 8:31 PM MST | Areal Flood Advisory | PSR | 3 hr |
| Aug 17, 4:48 PM MST | Mesoscale Discussion | SPC | 87 min |
| Aug 17, 5:45 PM MST | Severe Thunderstorm Warning | PSR | 30 min |
| Aug 17, 6:09 PM MST | Dust Storm Advisory | PSR | 51 min |
| Aug 17, 6:16 PM MST | Severe Thunderstorm Warning | PSR | 29 min |
| Aug 17, 6:45 PM MST | Severe Thunderstorm Warning | PSR | 45 min |
| Aug 17, 7:11 PM MST | Dust Storm Warning | PSR | 64 min |
| Aug 17, 7:14 PM MST | Severe Thunderstorm Warning | PSR | 31 min |
| Aug 17, 7:32 PM MST | Dust Storm Advisory | PSR | 58 min |
| Aug 17, 7:40 PM MST | Severe Thunderstorm Warning | PSR | 54 min |
| Aug 17, 7:57 PM MST | Severe Thunderstorm Warning | PSR | 33 min |
| Aug 17, 8:08 PM MST | Special Weather Statement | PSR | 67 min |
| Aug 17, 8:24 PM MST | Dust Storm Advisory | PSR | 6 min |
| Aug 17, 8:29 PM MST | Dust Storm Warning | PSR | 61 min |
| Aug 18, 1:49 PM MST | Mesoscale Discussion | SPC | 116 min |
| Aug 18, 10:08 PM MST | Special Weather Statement | PSR | 37 min |
| Aug 20, 2:00 AM MST | Areal Flood Advisory | PSR | 3 hr |
| Aug 20, 6:52 PM MST | Severe Thunderstorm Warning | PSR | 23 min |
| Aug 20, 7:01 PM MST | Dust Storm Advisory | PSR | 59 min |
| Aug 20, 7:03 PM MST | Dust Storm Advisory | PSR | 57 min |
| Aug 20, 7:10 PM MST | Areal Flood Advisory | PSR | 3 hr |
| Aug 20, 7:25 PM MST | Special Weather Statement | PSR | 35 min |
| Aug 20, 7:29 PM MST | Severe Thunderstorm Warning | PSR | 31 min |
| Aug 20, 7:35 PM MST | Flash Flood Warning | PSR | 3 hr |
| Aug 20, 7:46 PM MST | Severe Thunderstorm Warning | PSR | 29 min |
| Aug 20, 7:53 PM MST | Severe Thunderstorm Warning | PSR | 52 min |
| Aug 20, 7:59 PM MST | Special Weather Statement | PSR | 46 min |
| Aug 20, 8:02 PM MST | Severe Thunderstorm Warning | PSR | 28 min |
| Aug 20, 8:11 PM MST | Severe Thunderstorm Warning | PSR | 34 min |
| Aug 20, 8:15 PM MST | Areal Flood Advisory | PSR | 3 hr |
| Aug 20, 8:20 PM MST | Special Weather Statement | PSR | 40 min |
| Aug 20, 8:27 PM MST | Dust Storm Advisory | PSR | 70 min |
| Aug 20, 8:46 PM MST | Severe Thunderstorm Warning | PSR | 29 min |
| Aug 20, 9:01 PM MST | Areal Flood Advisory | PSR | 3 hr |
| Aug 20, 9:06 PM MST | Special Weather Statement | PSR | 24 min |
| Aug 20, 9:09 PM MST | Severe Thunderstorm Warning | PSR | 36 min |
| Aug 20, 9:29 PM MST | Special Weather Statement | PSR | 46 min |
| Aug 20, 9:48 PM MST | Severe Thunderstorm Warning | PSR | 27 min |
| Aug 20, 10:00 PM MST | Flash Flood Warning | PSR | 4 hr |
| Aug 20, 10:32 PM MST | Dust Storm Advisory | PSR | 88 min |
| Aug 20, 11:07 PM MST | Areal Flood Advisory | PSR | 3 hr |
| Aug 20, 11:37 PM MST | Flash Flood Warning | PSR | 5 hr |
| Aug 21, 3:20 AM MST | Excessive Heat Watch | PSR | 47 hr |
| Aug 22, 7:00 PM MST | Severe Thunderstorm Warning | PSR | 45 min |
| Aug 22, 7:51 PM MST | Severe Thunderstorm Warning | PSR | 39 min |
| Aug 22, 8:02 PM MST | Flash Flood Warning | PSR | 4 hr |
| Aug 23, 2:25 AM MST | Excessive Heat Warning | PSR | 6 days |
| Aug 24, 9:38 AM MST | Blowing Dust Advisory | PSR | 11 hr |
| Aug 25, 1:00 PM MST | Mesoscale Discussion | SPC | 3 hr |
| Aug 25, 5:35 PM MST | Areal Flood Advisory | PSR | 3 hr |
| Aug 26, 5:19 PM MST | Special Weather Statement | PSR | 26 min |
| Aug 27, 5:47 PM MST | Areal Flood Advisory | PSR | 3 hr |
| Aug 28, 1:24 PM MST | Flash Flood Watch | PSR | 58 hr |
| Aug 29, 8:47 AM MST | Special Weather Statement | PSR | 43 min |
| Aug 29, 9:12 AM MST | Special Weather Statement | PSR | 48 min |
| Aug 29, 10:04 AM MST | Special Weather Statement | PSR | 41 min |
| Aug 29, 10:25 AM MST | Special Weather Statement | PSR | 50 min |
| Aug 29, 6:39 PM MST | Flash Flood Warning | PSR | 4 hr |
| Aug 29, 6:46 PM MST | Special Weather Statement | PSR | 44 min |
| Aug 29, 6:56 PM MST | Dust Storm Advisory | PSR | 64 min |
| Aug 29, 7:16 PM MST | Severe Thunderstorm Warning | PSR | 59 min |
| Aug 29, 7:33 PM MST | Special Weather Statement | PSR | 42 min |
| Aug 29, 7:52 PM MST | Flash Flood Warning | PSR | 3 hr |
| Aug 29, 9:40 PM MST | Areal Flood Advisory | PSR | 110 min |
| Aug 30, 12:13 AM MST | Flash Flood Warning | PSR | 4 hr |
| Aug 30, 2:41 PM MST | Special Weather Statement | PSR | 49 min |
| Aug 30, 3:08 PM MST | Severe Thunderstorm Warning | PSR | 37 min |
| Aug 30, 3:37 PM MST | Flash Flood Warning | PSR | 4 hr |
| Aug 30, 4:08 PM MST | Dust Storm Advisory | PSR | 67 min |
| Aug 30, 5:16 PM MST | Flash Flood Warning | PSR | 4 hr |
| Aug 30, 5:19 PM MST | Special Weather Statement | PSR | 56 min |
| Aug 30, 5:57 PM MST | Flash Flood Warning | PSR | 4 hr |
| Aug 30, 6:13 PM MST | Flash Flood Warning | PSR | 4 hr |
| Aug 30, 6:13 PM MST | Special Weather Statement | PSR | 62 min |
| Aug 30, 6:20 PM MST | Areal Flood Advisory | PSR | 22 min |
| Aug 30, 6:42 PM MST | Flash Flood Warning | PSR | 3 hr |
| Aug 30, 7:14 PM MST | Flash Flood Warning | PSR | 4 hr |
| Aug 30, 7:16 PM MST | Special Weather Statement | PSR | 59 min |
| Aug 30, 8:28 PM MST | Severe Thunderstorm Warning | PSR | 33 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 | 21 |
| Mesoscale Discussion | 4 |
| Special Weather Statement | 23 |
| Flooding | |
| Flash Flood Warning | 13 |
| Flash Flood Watch | 1 |
| Areal Flood Advisory | 10 |
| Heat | |
| Excessive Heat Warning | 4 |
| Excessive Heat Watch | 3 |
| Heat Advisory | 1 |
| Wind and dust | |
| Dust Storm Warning | 5 |
| Blowing Dust Advisory | 2 |
| Dust Storm Advisory | 16 |
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20192021
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.