Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2015

Severe Thunderstorm Warnings in Pennsylvania, May 2015

68 severe thunderstorm warnings in May 2015. 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 2015. Tap one for its archive.

Severe Thunderstorm Warnings: 68
Busiest day: May 31, 201527 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 6, 2:54 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Fulton, Huntingdon	81 min
May 6, 4:42 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Cambria	63 min
May 6, 6:19 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Fulton	56 min
May 11, 7:46 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Lawrence	29 min
May 11, 7:51 PM EDT	Severe Thunderstorm Warning	CLE	Erie	39 min
May 11, 8:01 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	59 min
May 11, 8:02 PM EDT	Severe Thunderstorm Warning	PBZ	Lawrence, Mercer	43 min
May 11, 8:17 PM EDT	Severe Thunderstorm Warning	PBZ	Butler, Lawrence, Mercer, Venango	43 min
May 11, 8:25 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Washington	35 min
May 11, 8:34 PM EDT	Severe Thunderstorm Warning	CLE	Erie	41 min
May 11, 8:45 PM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Forest, Mercer, Venango	45 min
May 11, 8:59 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	21 min
May 11, 9:26 PM EDT	Severe Thunderstorm Warning	CTP	Warren	49 min
May 11, 10:37 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Cambria, Centre, Clearfield	38 min
May 11, 10:59 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Lycoming, Potter, Tioga	61 min
May 11, 11:06 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Cameron, Centre, Clearfield, Clinton, Huntingdon and 1 more	54 min
May 16, 3:27 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Wyoming	48 min
May 16, 3:36 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Franklin	39 min
May 16, 4:38 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	52 min
May 16, 5:10 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Montour, Northumberland, Schuylkill, Snyder	65 min
May 16, 5:26 PM EDT	Severe Thunderstorm Warning	PHI	Monroe	49 min
May 16, 5:36 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Lehigh, Montgomery, Northampton	39 min
May 16, 6:31 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Chester, Lehigh, Montgomery	44 min
May 16, 6:45 PM EDT	Severe Thunderstorm Warning	PHI	Chester	45 min
May 16, 7:04 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Lehigh, Montgomery, Northampton	26 min
May 27, 12:29 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, York	31 min
May 27, 1:42 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lebanon, York	48 min
May 27, 1:50 PM EDT	Severe Thunderstorm Warning	CTP	Adams, York	55 min
May 27, 2:33 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	42 min
May 27, 2:56 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, Lebanon	34 min
May 27, 3:26 PM EDT	Severe Thunderstorm Warning	BGM	Pike, Wayne	64 min
May 27, 4:36 PM EDT	Severe Thunderstorm Warning	PHI	Chester	39 min
May 27, 5:07 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Chester, Delaware, Montgomery	53 min
May 27, 5:25 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	44 min
May 29, 4:41 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny	34 min
May 29, 5:02 PM EDT	Severe Thunderstorm Warning	PBZ	Westmoreland	28 min
May 29, 5:07 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Butler, Clarion	19 min
May 29, 5:22 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Westmoreland	23 min
May 29, 5:41 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Indiana	34 min
May 29, 6:20 PM EDT	Severe Thunderstorm Warning	PBZ	Butler	18 min
May 30, 7:24 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming, Tioga	36 min
May 31, 11:05 AM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Forest, Jefferson	25 min
May 31, 11:30 AM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Forest, Jefferson	30 min
May 31, 11:43 AM EDT	Severe Thunderstorm Warning	CTP	Elk	47 min
May 31, 1:00 PM EDT	Severe Thunderstorm Warning	PHI	Northampton	45 min
May 31, 1:04 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton	56 min
May 31, 1:26 PM EDT	Severe Thunderstorm Warning	PBZ	Butler, Clarion, Venango	34 min
May 31, 2:17 PM EDT	Severe Thunderstorm Warning	CTP	Northumberland, Union	55 min
May 31, 2:40 PM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Jefferson	35 min
May 31, 3:02 PM EDT	Severe Thunderstorm Warning	BGM	Luzerne, Wyoming	23 min
May 31, 3:12 PM EDT	Severe Thunderstorm Warning	CTP	Fulton, Huntingdon	42 min
May 31, 3:45 PM EDT	Severe Thunderstorm Warning	CTP	Columbia	50 min
May 31, 3:56 PM EDT	Severe Thunderstorm Warning	BGM	Luzerne	49 min
May 31, 4:00 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver	30 min
May 31, 4:14 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Centre, Huntingdon	44 min
May 31, 4:25 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Snyder	35 min
May 31, 4:29 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Butler, Lawrence	31 min
May 31, 4:33 PM EDT	Severe Thunderstorm Warning	PHI	Monroe, Northampton	42 min
May 31, 5:12 PM EDT	Severe Thunderstorm Warning	PHI	Monroe	63 min
May 31, 5:23 PM EDT	Severe Thunderstorm Warning	PHI	Berks	37 min
May 31, 5:41 PM EDT	Severe Thunderstorm Warning	PBZ	Greene, Washington	27 min
May 31, 5:57 PM EDT	Severe Thunderstorm Warning	CTP	Lebanon	63 min
May 31, 6:17 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lancaster	17 min
May 31, 6:18 PM EDT	Severe Thunderstorm Warning	CTP	Schuylkill	87 min
May 31, 6:35 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Clarion, Jefferson	55 min
May 31, 7:03 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, Lebanon	87 min
May 31, 7:39 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana, Jefferson	36 min
May 31, 7:48 PM EDT	Severe Thunderstorm Warning	PHI	Berks	35 min

By county

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

19 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2014 2016

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.