Alert archive / Pennsylvania / 2004
Weather alerts in Pennsylvania, April 2004
15 weather alerts in April 2004, 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 April 2004. Tap one for its archive.
- Alerts
- 15
- Warnings
- 12
- Watches
- 0
- Advisories
- 0
- Busiest day
- April 27, 20044 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 |
|---|---|---|---|---|
| Apr 18, 2:17 PM EDT | Mesoscale Discussion | SPC | Susquehanna, Wayne | 118 min |
| Apr 19, 7:35 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 40 min |
| Apr 19, 8:15 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 60 min |
| Apr 19, 8:23 PM EDT | Severe Thunderstorm Warning | PBZ | Forest | 52 min |
| Apr 19, 8:26 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 64 min |
| Apr 21, 12:48 PM EDT | Mesoscale Discussion | SPC | Beaver, Butler, Clarion, Crawford, Erie, Forest and 5 more | 2 hr |
| Apr 21, 7:56 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 49 min |
| Apr 25, 11:42 AM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more | 2 hr |
| Apr 25, 9:41 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 64 min |
| Apr 25, 10:05 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 40 min |
| Apr 25, 10:17 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 58 min |
| Apr 27, 5:17 PM EDT | Special Marine Warning | PHI | 58 min | |
| Apr 27, 6:05 PM EDT | Special Marine Warning | PHI | 55 min | |
| Apr 27, 6:24 PM EDT | Special Marine Warning | PHI | 66 min | |
| Apr 27, 6:24 PM EDT | Special Marine Warning | PHI | 66 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 | 8 |
| Mesoscale Discussion | 3 |
| Marine | |
| Special Marine Warning | 4 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Warren County3
- Venango County3
- Butler County3
- McKean County2
- Forest County2
- Beaver County2
- Clarion County2
- Lawrence County2
- Mercer County2
- Armstrong County2
- Washington County2
- Susquehanna County1
- Wayne County1
- Crawford County1
- Erie County1
- Clearfield County1
- Allegheny County1
- Fayette County1
- Greene County1
- Indiana County1
- Jefferson County1
- Somerset County1
- Westmoreland County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20032005
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.