Alert archive / Pennsylvania / 1987
Weather alerts in Pennsylvania, May 1987
21 weather alerts in May 1987, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in May 1987. Tap one for its archive.
- Alerts
- 21
- Warnings
- 21
- Watches
- 0
- Advisories
- 0
- Busiest day
- May 30, 19876 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 | Counties | Lasted |
|---|---|---|---|---|
| May 14, 9:02 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 58 min |
| May 23, 2:35 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 65 min |
| May 23, 3:25 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Snyder | 65 min |
| May 23, 3:25 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 65 min |
| May 26, 6:30 PM EDT | Flash Flood Warning | PBZ | Allegheny, Westmoreland | 4 hr |
| May 26, 6:30 PM EDT | Flash Flood Warning | PBZ | Indiana | 4 hr |
| May 26, 7:35 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Washington, Westmoreland | 55 min |
| May 28, 3:31 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 59 min |
| May 28, 6:25 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 35 min |
| May 30, 1:38 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 67 min |
| May 30, 1:52 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 68 min |
| May 30, 2:22 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 68 min |
| May 30, 2:50 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 60 min |
| May 30, 6:25 PM EDT | Severe Thunderstorm Warning | CLE | Potter | 65 min |
| May 30, 7:55 PM EDT | Severe Thunderstorm Warning | PBZ | Blair | 65 min |
| May 30, 8:29 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 61 min |
| May 30, 8:55 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 65 min |
| May 30, 9:20 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 60 min |
| May 30, 9:39 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 61 min |
| May 30, 10:33 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana | 57 min |
| May 30, 11:15 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 65 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 | 19 |
| Flooding | |
| Flash Flood Warning | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Erie County3
- Westmoreland County2
- Indiana County2
- Crawford County2
- Butler County2
- Centre County2
- Adams County1
- Juniata County1
- Snyder County1
- Dauphin County1
- Allegheny County1
- Fayette County1
- Washington County1
- Lawrence County1
- Sullivan County1
- Potter County1
- Blair County1
- Beaver County1
- Armstrong County1
- Jefferson County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19861988
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. Rebuilt daily.