Alert archive / Pennsylvania / 2004
Weather alerts in Pennsylvania, December 2004
11 weather alerts in December 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 December 2004. Tap one for its archive.
- Alerts
- 11
- Warnings
- 4
- Watches
- 0
- Advisories
- 0
- Busiest day
- December 23, 20046 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 |
|---|---|---|---|---|
| Dec 6, 6:48 AM EST | Mesoscale Discussion | SPC | Bradford, Cameron, Clinton, Elk, Lycoming, McKean and 5 more | 6 hr |
| Dec 8, 1:19 AM EST | Special Marine Warning | PHI | 41 min | |
| Dec 13, 2:12 PM EST | Mesoscale Discussion | SPC | Crawford | 4 hr |
| Dec 19, 1:05 PM EST | Mesoscale Discussion | SPC | Cambria, Fayette, Greene, Indiana, Somerset, Westmoreland | 4 hr |
| Dec 22, 1:01 PM EST | Mesoscale Discussion | SPC | Crawford, Erie, Lawrence, Mercer, Venango, Warren | 5 hr |
| Dec 22, 7:18 PM EST | Mesoscale Discussion | SPC | Crawford, Erie, Lawrence, Mercer, Venango, Warren | 5 hr |
| Dec 23, 1:57 AM EST | Mesoscale Discussion | SPC | Crawford, Erie, Mercer | 5 hr |
| Dec 23, 7:01 AM EST | Mesoscale Discussion | SPC | Crawford, Erie | 4 hr |
| Dec 23, 5:00 PM EST | Special Marine Warning | PHI | 60 min | |
| Dec 23, 5:00 PM EST | Special Marine Warning | PHI | 60 min | |
| Dec 23, 5:00 PM EST | Special Marine Warning | PHI | 60 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 | |
| Mesoscale Discussion | 7 |
| Marine | |
| Special Marine Warning | 4 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Crawford County5
- Erie County4
- Mercer County3
- Lawrence County2
- Venango County2
- Warren County2
- Bradford County1
- Cameron County1
- Clinton County1
- Elk County1
- Lycoming County1
- McKean County1
- Potter County1
- Sullivan County1
- Susquehanna County1
- Tioga County1
- Wyoming County1
- Cambria County1
- Fayette County1
- Greene County1
- Indiana 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.