Alert archive / Pennsylvania / Tornado Warnings
Tornado Warnings in Pennsylvania, 1999
15 tornado warnings in 1999. 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 warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count in 1999. Tap one for its archive.
- Tornado Warnings
- 15
- Busiest month
- July10 tornado warnings
- Busiest day
- July 1, 19993 tornado warnings
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 3:39 PM EDT | Tornado Warning | PBZ | Westmoreland | 51 min |
| Jul 1, 6:33 PM EDT | Tornado Warning | CTP | Lycoming | 37 min |
| Jul 1, 6:50 PM EDT | Tornado Warning | CTP | Sullivan | 55 min |
| Jul 1, 7:41 PM EDT | Tornado Warning | BGM | Bradford | 44 min |
| Jul 3, 4:06 PM EDT | Tornado Warning | CLE | Crawford | 34 min |
| Jul 9, 4:02 PM EDT | Tornado Warning | CTP | Elk | 28 min |
| Jul 9, 6:20 PM EDT | Tornado Warning | CLE | Erie | 65 min |
| Jul 9, 6:56 PM EDT | Tornado Warning | CTP | Warren | 49 min |
| Jul 9, 9:22 PM EDT | Tornado Warning | CTP | Cambria, Clearfield | 23 min |
| Jul 9, 9:40 PM EDT | Tornado Warning | CTP | Centre, Huntingdon | 50 min |
| Jul 30, 7:32 PM EDT | Tornado Warning | CTP | York | 28 min |
| Aug 13, 4:56 PM EDT | Tornado Warning | CTP | Cambria | 34 min |
| Sep 9, 6:01 PM EDT | Tornado Warning | CTP | McKean | 29 min |
| Oct 13, 7:20 PM EDT | Tornado Warning | CTP | Cameron | 25 min |
| Oct 13, 7:42 PM EDT | Tornado Warning | CTP | Potter | 33 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19982000
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.