Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2010

Severe Thunderstorm Warnings in Pennsylvania, May 2010

94 severe thunderstorm warnings in May 2010. 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 May 2010. Tap one for its archive.

Severe Thunderstorm Warnings: 94
Busiest day: May 31, 201025 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
May 2, 6:15 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Franklin, Fulton	60 min
May 2, 11:05 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, Lebanon	25 min
May 2, 11:33 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Lehigh, Montgomery, Northampton	42 min
May 2, 11:47 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Chester, Montgomery	43 min
May 3, 12:16 AM EDT	Severe Thunderstorm Warning	PHI	Bucks, Montgomery, Northampton	34 min
May 4, 3:54 PM EDT	Severe Thunderstorm Warning	BGM	Susquehanna, Wayne	37 min
May 4, 4:04 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	56 min
May 5, 8:50 PM EDT	Severe Thunderstorm Warning	CTP	Warren	55 min
May 5, 9:46 PM EDT	Severe Thunderstorm Warning	CTP	Elk, McKean, Warren	44 min
May 7, 10:03 PM EDT	Severe Thunderstorm Warning	PBZ	Mercer, Venango	57 min
May 7, 10:12 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	78 min
May 7, 10:37 PM EDT	Severe Thunderstorm Warning	CLE	Erie	38 min
May 7, 10:46 PM EDT	Severe Thunderstorm Warning	CTP	McKean, Warren	59 min
May 7, 11:06 PM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Forest, Mercer, Venango	54 min
May 7, 11:29 PM EDT	Severe Thunderstorm Warning	PBZ	Butler, Lawrence, Mercer, Venango	46 min
May 8, 12:08 AM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Butler, Clarion, Forest, Venango	37 min
May 8, 12:32 AM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Butler, Lawrence	43 min
May 8, 2:22 AM EDT	Severe Thunderstorm Warning	PBZ	Indiana	23 min
May 8, 2:40 AM EDT	Severe Thunderstorm Warning	CTP	Blair, Cambria, Centre, Clearfield, Huntingdon	35 min
May 13, 7:59 PM EDT	Severe Thunderstorm Warning	CLE	Erie	61 min
May 14, 4:14 AM EDT	Severe Thunderstorm Warning	PBZ	Butler, Clarion, Forest, Lawrence, Mercer, Venango	61 min
May 14, 4:40 AM EDT	Severe Thunderstorm Warning	CLE	Crawford	65 min
May 14, 5:14 AM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Butler, Clarion, Forest, Indiana, Jefferson and 3 more	61 min
May 14, 6:04 AM EDT	Severe Thunderstorm Warning	CTP	Cameron, Clearfield, Elk	41 min
May 14, 3:04 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Cambria, Huntingdon	41 min
May 14, 3:12 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana, Westmoreland	33 min
May 14, 3:19 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria, Huntingdon	41 min
May 14, 3:32 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria, Huntingdon, Somerset	58 min
May 14, 3:52 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Fayette, Washington, Westmoreland	53 min
May 14, 3:55 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Huntingdon, Juniata, Mifflin, Perry	50 min
May 14, 4:20 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Franklin, Huntingdon, Juniata, Perry	70 min
May 14, 4:24 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lebanon, Perry, Schuylkill	57 min
May 14, 4:42 PM EDT	Severe Thunderstorm Warning	PHI	Berks	63 min
May 14, 5:04 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Lehigh, Northampton	56 min
May 14, 5:15 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, York	45 min
May 14, 5:28 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Franklin	31 min
May 14, 5:41 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lancaster, York	64 min
May 14, 5:49 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Chester, Montgomery	56 min
May 14, 5:53 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Lehigh, Northampton	67 min
May 14, 6:00 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	75 min
May 14, 6:24 PM EDT	Severe Thunderstorm Warning	CTP	Adams, York	51 min
May 14, 6:25 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Chester, Montgomery, Philadelphia	65 min
May 14, 6:35 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware	55 min
May 14, 7:28 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene	32 min
May 14, 8:12 PM EDT	Severe Thunderstorm Warning	CTP	Centre	23 min
May 27, 2:00 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Monroe, Northampton	60 min
May 27, 3:19 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Northampton	41 min
May 27, 3:30 PM EDT	Severe Thunderstorm Warning	BGM	Susquehanna, Wayne	45 min
May 27, 4:16 PM EDT	Severe Thunderstorm Warning	BGM	Susquehanna, Wayne	45 min
May 27, 5:11 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Carbon, Lehigh, Northampton	64 min
May 27, 5:36 PM EDT	Severe Thunderstorm Warning	PHI	Monroe, Northampton	54 min
May 27, 5:53 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware, Montgomery	37 min
May 27, 6:05 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Lehigh, Montgomery	25 min
May 27, 6:20 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Chester, Lehigh, Montgomery	55 min
May 27, 7:12 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Chester, Delaware, Montgomery	48 min
May 27, 7:56 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware	34 min
May 27, 9:24 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	36 min
May 27, 10:03 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	27 min
May 27, 10:13 PM EDT	Severe Thunderstorm Warning	PHI	Chester	47 min
May 27, 10:29 PM EDT	Severe Thunderstorm Warning	CTP	Adams, York	46 min
May 27, 10:30 PM EDT	Severe Thunderstorm Warning	PHI	Chester	60 min
May 27, 10:34 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	26 min
May 27, 11:12 PM EDT	Severe Thunderstorm Warning	CTP	Adams, York	63 min
May 28, 1:04 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clearfield	41 min
May 28, 1:53 PM EDT	Severe Thunderstorm Warning	CTP	Bedford	37 min
May 28, 2:32 PM EDT	Severe Thunderstorm Warning	CTP	Bedford	43 min
May 28, 2:51 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Somerset	39 min
May 28, 3:28 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Somerset	62 min
May 28, 6:22 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Washington	38 min
May 31, 1:33 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Butler	27 min
May 31, 2:04 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Erie	43 min
May 31, 2:06 PM EDT	Severe Thunderstorm Warning	CTP	McKean	54 min
May 31, 2:16 PM EDT	Severe Thunderstorm Warning	PBZ	Mercer, Venango	44 min
May 31, 2:31 PM EDT	Severe Thunderstorm Warning	CTP	Warren	59 min
May 31, 2:33 PM EDT	Severe Thunderstorm Warning	PBZ	Butler, Clarion, Mercer, Venango	57 min
May 31, 2:52 PM EDT	Severe Thunderstorm Warning	PBZ	Forest, Venango	53 min
May 31, 2:54 PM EDT	Severe Thunderstorm Warning	CTP	Somerset	66 min
May 31, 3:07 PM EDT	Severe Thunderstorm Warning	CTP	Warren	53 min
May 31, 3:43 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria	62 min
May 31, 4:07 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	53 min
May 31, 4:11 PM EDT	Severe Thunderstorm Warning	CTP	Cambria	64 min
May 31, 4:39 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	66 min
May 31, 4:42 PM EDT	Severe Thunderstorm Warning	CTP	Cambria, Centre, Clearfield	63 min
May 31, 4:48 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Elk, McKean, Potter	57 min
May 31, 4:55 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Cambria, Centre, Huntingdon	65 min
May 31, 4:58 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	62 min
May 31, 5:02 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	58 min
May 31, 5:10 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana, Jefferson	50 min
May 31, 5:23 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Clinton, Potter	52 min
May 31, 5:44 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	61 min
May 31, 5:54 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Centre, Clearfield, Clinton, Potter	66 min
May 31, 5:59 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	76 min
May 31, 6:46 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, Lebanon	59 min
May 31, 7:12 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lebanon, York	63 min

By county

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

14 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2009 2011

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.