Alert archive / Pennsylvania / Allegheny County
Weather alerts in Allegheny County, Pennsylvania, 1990
36 weather alerts in 1990, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Allegheny County and its neighbors
Each county as a circle sized by its count in 1990. Tap one for its archive.
- Alerts
- 36
- Warnings
- 36
- Watches
- 0
- Advisories
- 0
- Busiest month
- June13 alerts
- Busiest day
- July 9, 19904 alerts
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 20, 10:02 PM EDT | Flash Flood Warning | PBZ | 3 hr |
| Jun 8, 7:25 AM EDT | Severe Thunderstorm Warning | PBZ | 65 min |
| Jun 8, 11:21 PM EDT | Flash Flood Warning | PBZ | 2 hr |
| Jun 8, 11:21 PM EDT | Severe Thunderstorm Warning | PBZ | 2 hr |
| Jun 9, 6:15 AM EDT | Severe Thunderstorm Warning | PBZ | 60 min |
| Jun 14, 7:56 PM EDT | Severe Thunderstorm Warning | PBZ | 64 min |
| Jun 14, 9:08 PM EDT | Flash Flood Warning | PBZ | 3 hr |
| Jun 14, 11:29 PM EDT | Flash Flood Warning | PBZ | 5 hr |
| Jun 18, 7:04 AM EDT | Severe Thunderstorm Warning | PBZ | 56 min |
| Jun 28, 2:44 PM EDT | Flash Flood Warning | PBZ | 2 hr |
| Jun 28, 5:45 PM EDT | Flash Flood Warning | PBZ | 2 hr |
| Jun 30, 4:49 PM EDT | Severe Thunderstorm Warning | PBZ | 56 min |
| Jun 30, 5:40 PM EDT | Severe Thunderstorm Warning | PBZ | 50 min |
| Jun 30, 6:20 PM EDT | Severe Thunderstorm Warning | PBZ | 55 min |
| Jun 30, 8:27 PM EDT | Flash Flood Warning | PBZ | 33 min |
| Jul 9, 2:09 PM EDT | Severe Thunderstorm Warning | PBZ | 81 min |
| Jul 9, 3:01 PM EDT | Flash Flood Warning | PBZ | 89 min |
| Jul 9, 3:01 PM EDT | Severe Thunderstorm Warning | PBZ | 89 min |
| Jul 9, 4:36 PM EDT | Flash Flood Warning | PBZ | 114 min |
| Jul 12, 12:40 PM EDT | Flash Flood Warning | PBZ | 2 hr |
| Jul 15, 4:43 AM EDT | Flash Flood Warning | PBZ | 3 hr |
| Jul 21, 2:05 PM EDT | Flash Flood Warning | PBZ | 115 min |
| Jul 21, 3:20 PM EDT | Flash Flood Warning | PBZ | 3 hr |
| Jul 22, 4:18 PM EDT | Flash Flood Warning | PBZ | 102 min |
| Aug 11, 2:15 PM EDT | Flash Flood Warning | PBZ | 60 min |
| Aug 19, 6:40 PM EDT | Flash Flood Warning | PBZ | 3 hr |
| Aug 19, 6:54 PM EDT | Severe Thunderstorm Warning | PBZ | 3 hr |
| Aug 28, 11:17 PM EDT | Severe Thunderstorm Warning | PBZ | 43 min |
| Sep 6, 5:13 PM EDT | Severe Thunderstorm Warning | PBZ | 77 min |
| Sep 6, 9:42 PM EDT | Severe Thunderstorm Warning | PBZ | 78 min |
| Sep 6, 11:00 PM EDT | Severe Thunderstorm Warning | PBZ | 60 min |
| Sep 7, 12:06 AM EDT | Flash Flood Warning | PBZ | 4 hr |
| Sep 14, 7:36 PM EDT | Severe Thunderstorm Warning | PBZ | 69 min |
| Dec 30, 8:46 AM EST | Flash Flood Warning | PBZ | 4 hr |
| Dec 30, 12:30 PM EST | Flash Flood Warning | PBZ | 5 hr |
| Dec 30, 4:30 PM EST | Flash Flood Warning | PBZ | 6 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 | 16 |
| Flooding | |
| Flash Flood Warning | 20 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive19891991
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.