Alert archive / Pennsylvania / Tornado Warnings / 2011
Tornado Warnings in Pennsylvania, May 2011
21 tornado warnings in May 2011. 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 May 2011. Tap one for its archive.
- Tornado Warnings
- 21
- Busiest day
- May 26, 20116 tornado warnings
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 17, 8:17 PM EDT | Tornado Warning | CTP | Franklin, Fulton | 28 min |
| May 17, 8:45 PM EDT | Tornado Warning | CTP | Franklin, Fulton | 45 min |
| May 18, 1:52 PM EDT | Tornado Warning | PHI | Bucks, Montgomery, Philadelphia | 24 min |
| May 23, 4:13 PM EDT | Tornado Warning | CTP | Huntingdon, Juniata, Mifflin | 32 min |
| May 23, 5:15 PM EDT | Tornado Warning | CTP | Juniata, Northumberland, Snyder | 30 min |
| May 23, 5:49 PM EDT | Tornado Warning | CTP | Dauphin, Northumberland, Schuylkill | 41 min |
| May 23, 7:30 PM EDT | Tornado Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 30 min |
| May 23, 7:58 PM EDT | Tornado Warning | PHI | Bucks, Lehigh, Northampton | 32 min |
| May 23, 9:07 PM EDT | Tornado Warning | PBZ | Mercer | 38 min |
| May 23, 11:39 PM EDT | Tornado Warning | CTP | McKean | 36 min |
| May 25, 8:34 PM EDT | Tornado Warning | CLE | Erie | 56 min |
| May 26, 4:53 PM EDT | Tornado Warning | CLE | Crawford, Erie | 52 min |
| May 26, 5:07 PM EDT | Tornado Warning | CTP | Adams, Cumberland, Franklin, Fulton | 68 min |
| May 26, 6:11 PM EDT | Tornado Warning | CTP | Adams, Cumberland, Franklin, Fulton | 49 min |
| May 26, 7:14 PM EDT | Tornado Warning | BGM | Bradford | 46 min |
| May 26, 7:54 PM EDT | Tornado Warning | CTP | Dauphin, Lebanon, Schuylkill | 36 min |
| May 27, 5:44 PM EDT | Tornado Warning | CTP | Bedford | 46 min |
| May 27, 5:46 PM EDT | Tornado Warning | CTP | Bedford, Fulton, Huntingdon | 59 min |
| May 27, 6:01 PM EDT | Tornado Warning | CTP | Tioga | 59 min |
| May 27, 6:15 PM EDT | Tornado Warning | CTP | Bedford, Fulton | 45 min |
| May 27, 8:36 PM EDT | Tornado Warning | CTP | Lycoming, Montour, Sullivan | 39 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Fulton County6
- Franklin County4
- Bedford County3
- Bucks County2
- Huntingdon County2
- Juniata County2
- Northumberland County2
- Dauphin County2
- Schuylkill County2
- Lehigh County2
- Northampton County2
- Erie County2
- Adams County2
- Cumberland County2
- Montgomery County1
- Philadelphia County1
- Mifflin County1
- Snyder County1
- Carbon County1
- Monroe County1
- Mercer County1
- McKean County1
- Crawford County1
- Bradford County1
- Lebanon County1
- Tioga County1
- Lycoming County1
- Montour County1
- Sullivan County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.