Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2009

Severe Thunderstorm Warnings in Pennsylvania, June 2009

133 severe thunderstorm warnings in June 2009. 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 severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in June 2009. Tap one for its archive.

Severe Thunderstorm Warnings: 133
Busiest day: June 26, 200932 severe thunderstorm 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
Jun 2, 1:53 AM EDT	Severe Thunderstorm Warning	CLE	Erie	52 min
Jun 2, 1:20 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Dauphin, Lancaster, Perry, York	55 min
Jun 2, 2:53 PM EDT	Severe Thunderstorm Warning	PHI	Delaware	67 min
Jun 2, 3:15 PM EDT	Severe Thunderstorm Warning	PHI	Chester	38 min
Jun 2, 10:43 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Fulton, Somerset	62 min
Jun 2, 11:40 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Bedford, Cumberland, Franklin, Fulton, Huntingdon and 3 more	65 min
Jun 3, 12:26 AM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Franklin, York	79 min
Jun 8, 5:24 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene	51 min
Jun 9, 12:35 AM EDT	Severe Thunderstorm Warning	CLE	Erie	31 min
Jun 9, 5:09 AM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Dauphin, Lancaster, Lebanon, Schuylkill	66 min
Jun 9, 5:38 AM EDT	Severe Thunderstorm Warning	PHI	Berks	67 min
Jun 9, 6:13 AM EDT	Severe Thunderstorm Warning	CTP	Lancaster	27 min
Jun 9, 7:20 AM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware, Montgomery, Philadelphia	55 min
Jun 9, 8:00 AM EDT	Severe Thunderstorm Warning	PHI	Delaware, Philadelphia	60 min
Jun 9, 8:06 AM EDT	Severe Thunderstorm Warning	PHI	Philadelphia	54 min
Jun 9, 1:03 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Somerset	42 min
Jun 9, 1:19 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lebanon, Perry	41 min
Jun 9, 1:42 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, York	63 min
Jun 9, 1:49 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Somerset	56 min
Jun 9, 1:54 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Dauphin, Lancaster, Lebanon, York	66 min
Jun 9, 2:00 PM EDT	Severe Thunderstorm Warning	CTP	Franklin, Fulton	60 min
Jun 9, 2:07 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	23 min
Jun 9, 2:16 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Fulton	44 min
Jun 9, 2:24 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Chester, Montgomery	66 min
Jun 9, 2:26 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Westmoreland	64 min
Jun 9, 2:35 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	25 min
Jun 9, 2:41 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Franklin, Perry, York	64 min
Jun 9, 2:55 PM EDT	Severe Thunderstorm Warning	BGM	Wayne	55 min
Jun 9, 2:57 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	63 min
Jun 9, 3:12 PM EDT	Severe Thunderstorm Warning	CTP	Franklin	33 min
Jun 9, 3:22 PM EDT	Severe Thunderstorm Warning	PBZ	Westmoreland	38 min
Jun 9, 3:23 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	37 min
Jun 9, 3:28 PM EDT	Severe Thunderstorm Warning	CTP	Somerset	62 min
Jun 9, 3:29 PM EDT	Severe Thunderstorm Warning	PHI	Chester	61 min
Jun 9, 3:34 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Juniata, Northumberland, Perry	41 min
Jun 9, 3:44 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Franklin, York	49 min
Jun 9, 4:11 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	49 min
Jun 9, 4:12 PM EDT	Severe Thunderstorm Warning	BGM	Pike	33 min
Jun 9, 4:18 PM EDT	Severe Thunderstorm Warning	BGM	Susquehanna	42 min
Jun 10, 3:23 PM EDT	Severe Thunderstorm Warning	CTP	York	52 min
Jun 10, 4:18 PM EDT	Severe Thunderstorm Warning	CTP	York	57 min
Jun 10, 4:49 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lebanon, Schuylkill	56 min
Jun 10, 5:00 PM EDT	Severe Thunderstorm Warning	CTP	Huntingdon, Juniata, Mifflin	60 min
Jun 10, 5:13 PM EDT	Severe Thunderstorm Warning	PHI	Berks	47 min
Jun 10, 5:14 PM EDT	Severe Thunderstorm Warning	CTP	York	46 min
Jun 10, 5:56 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, Lebanon	34 min
Jun 10, 6:02 PM EDT	Severe Thunderstorm Warning	PHI	Berks	58 min
Jun 10, 6:09 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Northumberland, Schuylkill	36 min
Jun 10, 6:30 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	30 min
Jun 10, 6:33 PM EDT	Severe Thunderstorm Warning	CTP	Lebanon	12 min
Jun 13, 6:06 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Franklin	54 min
Jun 13, 6:20 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Luzerne	40 min
Jun 13, 6:39 PM EDT	Severe Thunderstorm Warning	PHI	Monroe	66 min
Jun 13, 7:09 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Northumberland, Schuylkill	66 min
Jun 13, 7:29 PM EDT	Severe Thunderstorm Warning	PHI	Carbon, Monroe	61 min
Jun 15, 1:10 PM EDT	Severe Thunderstorm Warning	BGM	Pike, Wayne	50 min
Jun 15, 1:42 PM EDT	Severe Thunderstorm Warning	BGM	Luzerne	48 min
Jun 15, 2:33 PM EDT	Severe Thunderstorm Warning	PHI	Carbon	57 min
Jun 15, 3:16 PM EDT	Severe Thunderstorm Warning	PHI	Carbon, Lehigh, Northampton	59 min
Jun 15, 3:36 PM EDT	Severe Thunderstorm Warning	BGM	Susquehanna, Wayne	54 min
Jun 15, 4:15 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Lehigh, Montgomery	60 min
Jun 15, 4:56 PM EDT	Severe Thunderstorm Warning	BGM	Pike	64 min
Jun 15, 5:13 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Montgomery	62 min
Jun 15, 5:55 PM EDT	Severe Thunderstorm Warning	PHI	Delaware, Montgomery, Philadelphia	65 min
Jun 15, 6:36 PM EDT	Severe Thunderstorm Warning	BGM	Pike	42 min
Jun 15, 6:37 PM EDT	Severe Thunderstorm Warning	PHI	Delaware, Philadelphia	53 min
Jun 17, 5:24 PM EDT	Severe Thunderstorm Warning	PBZ	Butler, Lawrence, Mercer, Venango	66 min
Jun 17, 5:57 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Lawrence	63 min
Jun 17, 6:14 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Washington	46 min
Jun 17, 7:39 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Westmoreland	66 min
Jun 17, 9:14 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Westmoreland	46 min
Jun 17, 9:48 PM EDT	Severe Thunderstorm Warning	PBZ	Greene, Washington	57 min
Jun 17, 10:03 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette	42 min
Jun 17, 10:42 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Washington	41 min
Jun 20, 1:45 AM EDT	Severe Thunderstorm Warning	PBZ	Fayette	45 min
Jun 20, 1:57 AM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Butler, Clarion, Forest, Lawrence, Mercer and 1 more	63 min
Jun 20, 2:47 AM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Clarion, Indiana, Jefferson	58 min
Jun 20, 3:26 PM EDT	Severe Thunderstorm Warning	CTP	York	64 min
Jun 20, 3:59 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	45 min
Jun 20, 4:27 PM EDT	Severe Thunderstorm Warning	PHI	Chester	53 min
Jun 25, 4:49 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	41 min
Jun 25, 5:13 PM EDT	Severe Thunderstorm Warning	CTP	Tioga	62 min
Jun 25, 5:23 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	52 min
Jun 25, 6:29 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Erie	31 min
Jun 25, 9:08 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Indiana, Westmoreland	52 min
Jun 25, 9:52 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Washington	39 min
Jun 25, 10:18 PM EDT	Severe Thunderstorm Warning	CTP	Clearfield	57 min
Jun 26, 1:36 PM EDT	Severe Thunderstorm Warning	BGM	Bradford	54 min
Jun 26, 1:43 PM EDT	Severe Thunderstorm Warning	CTP	Tioga	62 min
Jun 26, 1:49 PM EDT	Severe Thunderstorm Warning	BGM	Bradford	56 min
Jun 26, 2:27 PM EDT	Severe Thunderstorm Warning	CTP	Potter	48 min
Jun 26, 2:31 PM EDT	Severe Thunderstorm Warning	BGM	Bradford, Susquehanna, Wyoming	44 min
Jun 26, 2:40 PM EDT	Severe Thunderstorm Warning	CTP	Sullivan	65 min
Jun 26, 2:55 PM EDT	Severe Thunderstorm Warning	BGM	Bradford, Lackawanna, Luzerne, Susquehanna, Wyoming	65 min
Jun 26, 3:07 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Susquehanna, Wayne	53 min
Jun 26, 3:31 PM EDT	Severe Thunderstorm Warning	PHI	Monroe	59 min
Jun 26, 3:42 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Luzerne, Pike, Wayne	63 min
Jun 26, 3:53 PM EDT	Severe Thunderstorm Warning	PHI	Carbon, Monroe	82 min
Jun 26, 4:10 PM EDT	Severe Thunderstorm Warning	BGM	Pike, Wayne	53 min
Jun 26, 4:15 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Lancaster, York	60 min
Jun 26, 4:51 PM EDT	Severe Thunderstorm Warning	PHI	Carbon, Monroe, Northampton	69 min
Jun 26, 5:08 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Fayette, Washington, Westmoreland	67 min
Jun 26, 5:35 PM EDT	Severe Thunderstorm Warning	PHI	Berks	55 min
Jun 26, 5:43 PM EDT	Severe Thunderstorm Warning	CTP	York	62 min
Jun 26, 6:01 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Montgomery	59 min
Jun 26, 6:16 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Lehigh	59 min
Jun 26, 6:23 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Montgomery	52 min
Jun 26, 6:30 PM EDT	Severe Thunderstorm Warning	PHI	Berks	45 min
Jun 26, 6:41 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	41 min
Jun 26, 6:42 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Dauphin, Juniata, Perry	51 min
Jun 26, 6:57 PM EDT	Severe Thunderstorm Warning	PHI	Montgomery, Philadelphia	48 min
Jun 26, 7:10 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Montgomery, Philadelphia	50 min
Jun 26, 7:15 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware, Montgomery, Philadelphia	60 min
Jun 26, 7:28 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Montgomery, Philadelphia	92 min
Jun 26, 7:30 PM EDT	Severe Thunderstorm Warning	PHI	Berks	45 min
Jun 26, 7:45 PM EDT	Severe Thunderstorm Warning	PHI	Philadelphia	65 min
Jun 30, 11:15 AM EDT	Severe Thunderstorm Warning	CTP	Columbia, Montour, Northumberland, Schuylkill	60 min
Jun 30, 12:07 PM EDT	Severe Thunderstorm Warning	BGM	Wayne	33 min
Jun 30, 12:27 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Dauphin, Lancaster, Lebanon, York	78 min
Jun 30, 12:39 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Lancaster, York	81 min
Jun 30, 12:46 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Luzerne, Susquehanna, Wayne	44 min
Jun 30, 12:46 PM EDT	Severe Thunderstorm Warning	BGM	Wayne	44 min
Jun 30, 12:51 PM EDT	Severe Thunderstorm Warning	CTP	Franklin	54 min
Jun 30, 1:14 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lancaster, Lebanon, Schuylkill	76 min
Jun 30, 1:15 PM EDT	Severe Thunderstorm Warning	PHI	Berks	75 min
Jun 30, 1:54 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, Lebanon, York	66 min
Jun 30, 2:05 PM EDT	Severe Thunderstorm Warning	CTP	Adams	40 min
Jun 30, 2:31 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Chester, Montgomery	44 min
Jun 30, 2:51 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Montgomery	54 min
Jun 30, 3:12 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	63 min
Jun 30, 3:57 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	63 min
Jun 30, 4:50 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming, Tioga	55 min
Jun 30, 5:02 PM EDT	Severe Thunderstorm Warning	BGM	Bradford	43 min

By county

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

17 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2008 2010

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. Warning verification from the Mesonet's Cow. Rebuilt daily.