Alert archive / Pennsylvania / Tornado Watches

Tornado Watches in Pennsylvania, 2003

5 tornado watches in 2003. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of tornado watches reaches back to 1997.

Tornado Watches by county

Each county as a circle sized by its count in 2003. Tap one for its archive.

Tornado Watches
5
Busiest month
May2 tornado watches
Busiest day
May 11, 20032 tornado watches

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.

IssuedProductOfficeCountiesLasted
May 11, 11:45 AM EDTTornado WatchSPCAllegheny, Armstrong, Beaver, Butler, Cambria, Cameron and 18 more5 hr
May 11, 1:50 PM EDTTornado WatchSPCAdams, Bedford, Blair, Bradford, Centre, Clinton and 24 more5 hr
Sep 27, 12:40 AM EDTTornado WatchSPCBeaver, Butler, Crawford, Forest, Lawrence, Mercer and 2 more5 hr
Sep 27, 2:35 AM EDTTornado WatchSPCErie5 hr
Nov 19, 12:45 PM ESTTornado WatchSPCBerks, Bucks, Chester, Dauphin, Delaware, Lancaster and 9 more5 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

22 more counties

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20022004

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.