Alert archive / Pennsylvania / Allegheny County / 2020
Weather alerts in Allegheny County, Pennsylvania, August 2020
30 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
- 30
- Warnings
- 12
- Watches
- 3
- Advisories
- 6
- Busiest day
- August 25, 20208 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|
| Aug 1, 3:57 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 1, 6:59 PM EDT | Areal Flood Advisory | PBZ | 3 hr |
| Aug 4, 3:26 PM EDT | Severe Thunderstorm Warning | PBZ | 34 min |
| Aug 13, 5:45 PM EDT | Special Weather Statement | PBZ | 15 min |
| Aug 13, 6:06 PM EDT | Areal Flood Advisory | PBZ | 54 min |
| Aug 22, 7:12 PM EDT | Areal Flood Advisory | PBZ | 63 min |
| Aug 22, 7:49 PM EDT | Special Weather Statement | PBZ | 26 min |
| Aug 22, 8:03 PM EDT | Areal Flood Advisory | PBZ | 22 min |
| Aug 22, 8:10 PM EDT | Severe Thunderstorm Warning | PBZ | 35 min |
| Aug 22, 8:25 PM EDT | Flash Flood Warning | PBZ | 68 min |
| Aug 22, 8:39 PM EDT | Special Weather Statement | PBZ | 36 min |
| Aug 22, 9:19 PM EDT | Areal Flood Advisory | PBZ | 56 min |
| Aug 25, 6:41 AM EDT | Severe Thunderstorm Warning | PBZ | 19 min |
| Aug 25, 8:06 AM EDT | Special Weather Statement | PBZ | 24 min |
| Aug 25, 12:02 PM EDT | Mesoscale Discussion | SPC | 118 min |
| Aug 25, 1:21 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 25, 2:09 PM EDT | Severe Thunderstorm Warning | PBZ | 51 min |
| Aug 25, 2:34 PM EDT | Severe Thunderstorm Warning | PBZ | 41 min |
| Aug 25, 4:00 PM EDT | Special Weather Statement | PBZ | 30 min |
| Aug 25, 5:01 PM EDT | Severe Thunderstorm Warning | PBZ | 29 min |
| Aug 27, 4:34 PM EDT | Mesoscale Discussion | SPC | 86 min |
| Aug 27, 5:26 PM EDT | Severe Thunderstorm Warning | PBZ | 64 min |
| Aug 27, 5:32 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 27, 6:08 PM EDT | Severe Thunderstorm Warning | PBZ | 52 min |
| Aug 27, 6:41 PM EDT | Severe Thunderstorm Warning | PBZ | 64 min |
| Aug 28, 9:55 AM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 28, 12:00 PM EDT | Special Weather Statement | PBZ | 30 min |
| Aug 28, 12:38 PM EDT | Flash Flood Warning | PBZ | 6 hr |
| Aug 28, 12:42 PM EDT | Areal Flood Advisory | PBZ | 3 hr |
| Aug 28, 1:14 PM EDT | 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 | 9 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 3 |
| Special Weather Statement | 6 |
| Flooding | |
| Flash Flood Warning | 3 |
| Areal Flood Advisory | 6 |
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.