Alert archive / Arizona / Maricopa County
Weather alerts in Maricopa County, Arizona, 1999
45 weather alerts in 1999, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Maricopa County and its neighbors
Each county as a circle sized by its count in 1999. Tap one for its archive.
- Alerts
- 45
- Warnings
- 43
- Watches
- 2
- Advisories
- 0
- Busiest month
- July17 alerts
- Busiest day
- July 14, 19995 alerts
Over time
By month
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 |
|---|---|---|---|
| Jul 6, 1:15 PM MST | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 6, 4:09 PM MST | Severe Thunderstorm Warning | PSR | 91 min |
| Jul 6, 6:08 PM MST | Severe Thunderstorm Warning | PSR | 47 min |
| Jul 7, 7:43 PM MST | Severe Thunderstorm Warning | PSR | 62 min |
| Jul 7, 7:50 PM MST | Severe Thunderstorm Warning | PSR | 35 min |
| Jul 7, 8:28 PM MST | Severe Thunderstorm Warning | PSR | 32 min |
| Jul 13, 2:10 PM MST | Severe Thunderstorm Warning | PSR | 40 min |
| Jul 13, 7:03 PM MST | Flash Flood Warning | PSR | 3 hr |
| Jul 14, 3:25 PM MST | Severe Thunderstorm Warning | PSR | 60 min |
| Jul 14, 3:47 PM MST | Severe Thunderstorm Warning | PSR | 48 min |
| Jul 14, 4:07 PM MST | Flash Flood Warning | PSR | 93 min |
| Jul 14, 4:38 PM MST | Severe Thunderstorm Warning | PSR | 37 min |
| Jul 22, 5:54 PM MST | Severe Thunderstorm Warning | PSR | 46 min |
| Jul 23, 5:12 PM MST | Severe Thunderstorm Warning | PSR | 63 min |
| Jul 23, 6:12 PM MST | Severe Thunderstorm Warning | PSR | 63 min |
| Jul 28, 11:02 AM MST | Flash Flood Warning | PSR | 88 min |
| Jul 29, 12:25 PM MST | Severe Thunderstorm Warning | PSR | 45 min |
| Aug 10, 5:08 PM MST | Severe Thunderstorm Warning | PSR | 47 min |
| Aug 10, 9:28 PM MST | Severe Thunderstorm Warning | PSR | 62 min |
| Aug 18, 4:38 PM MST | Severe Thunderstorm Warning | PSR | 57 min |
| Aug 19, 5:29 PM MST | Severe Thunderstorm Warning | PSR | 46 min |
| Aug 22, 10:02 PM MST | Severe Thunderstorm Warning | PSR | 28 min |
| Aug 27, 4:20 PM MST | Severe Thunderstorm Warning | PSR | 45 min |
| Aug 27, 4:46 PM MST | Severe Thunderstorm Warning | PSR | 94 min |
| Aug 30, 5:51 PM MST | Severe Thunderstorm Warning | PSR | 59 min |
| Aug 31, 12:52 PM MST | Severe Thunderstorm Warning | PSR | 53 min |
| Aug 31, 1:37 PM MST | Severe Thunderstorm Warning | PSR | 58 min |
| Aug 31, 2:28 PM MST | Severe Thunderstorm Warning | PSR | 47 min |
| Aug 31, 5:48 PM MST | Severe Thunderstorm Warning | PSR | 42 min |
| Sep 11, 11:38 AM MST | Severe Thunderstorm Warning | FGZ | 47 min |
| Sep 11, 6:55 PM MST | Severe Thunderstorm Warning | PSR | 60 min |
| Sep 11, 8:45 PM MST | Flash Flood Warning | PSR | 60 min |
| Sep 11, 9:17 PM MST | Severe Thunderstorm Warning | PSR | 63 min |
| Sep 14, 1:45 PM MST | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 14, 4:34 PM MST | Severe Thunderstorm Warning | PSR | 41 min |
| Sep 14, 4:43 PM MST | Severe Thunderstorm Warning | PSR | 47 min |
| Sep 14, 5:12 PM MST | Severe Thunderstorm Warning | PSR | 48 min |
| Sep 14, 5:45 PM MST | Severe Thunderstorm Warning | PSR | 60 min |
| Sep 14, 5:59 PM MST | Severe Thunderstorm Warning | PSR | 61 min |
| Sep 14, 7:01 PM MST | Severe Thunderstorm Warning | PSR | 59 min |
| Sep 19, 1:17 PM MST | Severe Thunderstorm Warning | PSR | 43 min |
| Sep 19, 2:54 PM MST | Severe Thunderstorm Warning | PSR | 36 min |
| Sep 19, 3:23 PM MST | Severe Thunderstorm Warning | PSR | 52 min |
| Sep 19, 4:48 PM MST | Severe Thunderstorm Warning | PSR | 42 min |
| Sep 23, 1:31 PM MST | Severe Thunderstorm Warning | PSR | 44 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 | 39 |
| Severe Thunderstorm Watch | 2 |
| Flooding | |
| Flash Flood Warning | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive19982000
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.