Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2021

Severe Thunderstorm Warnings in Pennsylvania, June 2021

161 severe thunderstorm warnings in June 2021. 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 2021. Tap one for its archive.

Severe Thunderstorm Warnings: 161
Busiest day: June 21, 202155 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 3, 5:14 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Chester	27 min
Jun 3, 8:44 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	30 min
Jun 4, 1:49 PM EDT	Severe Thunderstorm Warning	PHI	Monroe, Northampton	41 min
Jun 4, 2:21 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Lehigh, Montgomery	21 min
Jun 4, 2:24 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Montgomery	51 min
Jun 4, 2:27 PM EDT	Severe Thunderstorm Warning	PHI	Berks	48 min
Jun 4, 3:14 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Montgomery, Philadelphia	46 min
Jun 4, 3:18 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	42 min
Jun 4, 3:23 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	67 min
Jun 4, 3:46 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Philadelphia	44 min
Jun 4, 4:20 PM EDT	Severe Thunderstorm Warning	PHI	Philadelphia	40 min
Jun 9, 2:04 PM EDT	Severe Thunderstorm Warning	CTP	Potter	26 min
Jun 9, 4:02 PM EDT	Severe Thunderstorm Warning	CTP	McKean, Warren	28 min
Jun 9, 5:27 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Lehigh, Northampton	23 min
Jun 9, 5:32 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	28 min
Jun 9, 5:46 PM EDT	Severe Thunderstorm Warning	CTP	Schuylkill	44 min
Jun 9, 6:28 PM EDT	Severe Thunderstorm Warning	CTP	Schuylkill	62 min
Jun 9, 6:59 PM EDT	Severe Thunderstorm Warning	BGM	Pike, Wayne	31 min
Jun 9, 7:09 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	51 min
Jun 9, 8:03 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	27 min
Jun 9, 8:21 PM EDT	Severe Thunderstorm Warning	PHI	Chester	39 min
Jun 13, 9:08 AM EDT	Severe Thunderstorm Warning	CTP	Cambria, Somerset	67 min
Jun 13, 1:37 PM EDT	Severe Thunderstorm Warning	PBZ	Greene	38 min
Jun 13, 1:57 PM EDT	Severe Thunderstorm Warning	PBZ	Greene	20 min
Jun 13, 2:08 PM EDT	Severe Thunderstorm Warning	PBZ	Greene	33 min
Jun 13, 3:45 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming, Tioga	45 min
Jun 13, 3:55 PM EDT	Severe Thunderstorm Warning	BGM	Bradford	35 min
Jun 13, 3:55 PM EDT	Severe Thunderstorm Warning	PBZ	Butler, Lawrence, Mercer	35 min
Jun 13, 4:22 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming, Union	83 min
Jun 13, 4:23 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Butler, Lawrence	37 min
Jun 13, 5:16 PM EDT	Severe Thunderstorm Warning	CTP	Clinton	55 min
Jun 13, 5:33 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Butler, Westmoreland	27 min
Jun 13, 5:43 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana, Westmoreland	47 min
Jun 13, 5:53 PM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Forest, Venango	17 min
Jun 13, 5:59 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Washington, Westmoreland	46 min
Jun 13, 6:21 PM EDT	Severe Thunderstorm Warning	PBZ	Greene, Washington	39 min
Jun 13, 6:51 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton	54 min
Jun 13, 6:58 PM EDT	Severe Thunderstorm Warning	CTP	McKean, Warren	32 min
Jun 13, 7:26 PM EDT	Severe Thunderstorm Warning	CTP	McKean	49 min
Jun 13, 7:53 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Centre, Huntingdon	43 min
Jun 13, 8:10 PM EDT	Severe Thunderstorm Warning	CTP	McKean	35 min
Jun 13, 8:41 PM EDT	Severe Thunderstorm Warning	CTP	McKean, Potter	64 min
Jun 14, 12:37 AM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Perry	38 min
Jun 14, 1:12 AM EDT	Severe Thunderstorm Warning	CTP	Cumberland, York	48 min
Jun 14, 11:17 AM EDT	Severe Thunderstorm Warning	PBZ	Butler, Mercer, Venango	28 min
Jun 14, 12:45 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Butler, Clarion	30 min
Jun 14, 12:47 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Clearfield, Elk	73 min
Jun 14, 1:31 PM EDT	Severe Thunderstorm Warning	CTP	Clinton	74 min
Jun 14, 2:33 PM EDT	Severe Thunderstorm Warning	CTP	Clinton, Lycoming, Union	57 min
Jun 14, 2:33 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Washington	27 min
Jun 14, 3:01 PM EDT	Severe Thunderstorm Warning	PBZ	Washington	29 min
Jun 14, 3:05 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Washington, Westmoreland	25 min
Jun 14, 3:18 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lycoming, Montour, Northumberland, Union	57 min
Jun 14, 3:26 PM EDT	Severe Thunderstorm Warning	PBZ	Washington	34 min
Jun 14, 3:29 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Washington, Westmoreland	31 min
Jun 14, 3:42 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana	33 min
Jun 14, 3:52 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene, Washington, Westmoreland	24 min
Jun 14, 3:55 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Westmoreland	37 min
Jun 14, 4:04 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Cambria	41 min
Jun 14, 4:10 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Schuylkill	50 min
Jun 14, 4:11 PM EDT	Severe Thunderstorm Warning	BGM	Luzerne	49 min
Jun 14, 4:15 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Carbon, Lehigh, Monroe, Northampton	60 min
Jun 14, 4:22 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Susquehanna, Wayne, Wyoming	38 min
Jun 14, 4:47 PM EDT	Severe Thunderstorm Warning	PBZ	Greene, Washington	43 min
Jun 14, 4:50 PM EDT	Severe Thunderstorm Warning	BGM	Pike, Wayne	27 min
Jun 14, 5:18 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene	27 min
Jun 14, 5:41 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette	31 min
Jun 14, 5:45 PM EDT	Severe Thunderstorm Warning	PBZ	Greene	30 min
Jun 14, 6:02 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene	28 min
Jun 14, 6:27 PM EDT	Severe Thunderstorm Warning	PBZ	Greene	33 min
Jun 14, 7:55 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	50 min
Jun 14, 8:08 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	52 min
Jun 14, 8:34 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Delaware, Montgomery, Philadelphia	41 min
Jun 14, 8:55 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware, Philadelphia	50 min
Jun 14, 9:11 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	49 min
Jun 14, 9:29 PM EDT	Severe Thunderstorm Warning	PHI	Delaware, Philadelphia	46 min
Jun 19, 6:47 PM EDT	Severe Thunderstorm Warning	PBZ	Butler, Lawrence, Mercer, Venango	43 min
Jun 19, 9:31 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Lawrence	29 min
Jun 20, 6:14 PM EDT	Severe Thunderstorm Warning	PBZ	Mercer, Venango	17 min
Jun 20, 6:51 PM EDT	Severe Thunderstorm Warning	PBZ	Venango	24 min
Jun 20, 8:13 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Snyder	24 min
Jun 20, 9:23 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Northumberland, Schuylkill	50 min
Jun 20, 11:19 PM EDT	Severe Thunderstorm Warning	CLE	Erie	26 min
Jun 21, 1:15 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	60 min
Jun 21, 1:57 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Lawrence	48 min
Jun 21, 2:06 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	54 min
Jun 21, 2:08 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette	22 min
Jun 21, 2:15 PM EDT	Severe Thunderstorm Warning	PBZ	Mercer, Venango	30 min
Jun 21, 2:21 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Lawrence	24 min
Jun 21, 2:37 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Butler, Lawrence, Washington	23 min
Jun 21, 2:43 PM EDT	Severe Thunderstorm Warning	CTP	McKean, Warren	47 min
Jun 21, 2:45 PM EDT	Severe Thunderstorm Warning	PBZ	Forest, Venango	30 min
Jun 21, 2:55 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Beaver, Butler, Westmoreland	35 min
Jun 21, 3:00 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Washington	30 min
Jun 21, 3:09 PM EDT	Severe Thunderstorm Warning	CTP	McKean, Potter	21 min
Jun 21, 3:14 PM EDT	Severe Thunderstorm Warning	CTP	McKean	31 min
Jun 21, 3:21 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Butler, Indiana, Westmoreland	24 min
Jun 21, 3:25 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Westmoreland	35 min
Jun 21, 3:26 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Elk, McKean, Warren	49 min
Jun 21, 3:29 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Washington	46 min
Jun 21, 3:37 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Indiana, Jefferson, Westmoreland	23 min
Jun 21, 3:45 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Indiana, Westmoreland	45 min
Jun 21, 3:53 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Fayette, Greene, Washington, Westmoreland	37 min
Jun 21, 3:55 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Indiana, Westmoreland	35 min
Jun 21, 3:57 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Clarion, Jefferson	33 min
Jun 21, 4:05 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Fayette, Washington, Westmoreland	25 min
Jun 21, 4:13 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana, Westmoreland	32 min
Jun 21, 4:18 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene, Washington, Westmoreland	27 min
Jun 21, 4:19 PM EDT	Severe Thunderstorm Warning	PBZ	Greene, Washington	41 min
Jun 21, 4:27 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana, Westmoreland	33 min
Jun 21, 4:28 PM EDT	Severe Thunderstorm Warning	CTP	Cambria	47 min
Jun 21, 4:28 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Westmoreland	32 min
Jun 21, 4:31 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Franklin	59 min
Jun 21, 4:39 PM EDT	Severe Thunderstorm Warning	CTP	Cambria, Somerset	36 min
Jun 21, 4:41 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Greene, Washington, Westmoreland	49 min
Jun 21, 4:42 PM EDT	Severe Thunderstorm Warning	BGM	Bradford	48 min
Jun 21, 4:43 PM EDT	Severe Thunderstorm Warning	CTP	Centre	32 min
Jun 21, 4:43 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana, Westmoreland	32 min
Jun 21, 4:45 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming, Sullivan, Tioga	30 min
Jun 21, 4:57 PM EDT	Severe Thunderstorm Warning	PBZ	Greene	29 min
Jun 21, 5:05 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, York	40 min
Jun 21, 5:08 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton, Lycoming	37 min
Jun 21, 5:18 PM EDT	Severe Thunderstorm Warning	BGM	Bradford	42 min
Jun 21, 5:31 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming, Sullivan, Tioga	44 min
Jun 21, 5:41 PM EDT	Severe Thunderstorm Warning	CTP	York	34 min
Jun 21, 5:58 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster	47 min
Jun 21, 6:08 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Lehigh	52 min
Jun 21, 6:15 PM EDT	Severe Thunderstorm Warning	CTP	Sullivan	15 min
Jun 21, 6:21 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware	54 min
Jun 21, 6:27 PM EDT	Severe Thunderstorm Warning	BGM	Bradford, Lackawanna, Luzerne, Susquehanna, Wyoming	48 min
Jun 21, 7:02 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Carbon, Lehigh, Northampton	43 min
Jun 21, 7:09 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Luzerne, Susquehanna, Wayne, Wyoming	66 min
Jun 21, 7:12 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware, Montgomery, Philadelphia	48 min
Jun 21, 7:38 PM EDT	Severe Thunderstorm Warning	PHI	Carbon, Lehigh, Monroe, Northampton	52 min
Jun 21, 7:56 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Luzerne, Pike, Wayne	64 min
Jun 21, 8:13 PM EDT	Severe Thunderstorm Warning	PHI	Monroe, Northampton	62 min
Jun 29, 2:24 PM EDT	Severe Thunderstorm Warning	BGM	Pike	36 min
Jun 29, 2:55 PM EDT	Severe Thunderstorm Warning	BGM	Pike	35 min
Jun 29, 9:16 PM EDT	Severe Thunderstorm Warning	CTP	McKean, Warren	89 min
Jun 29, 9:30 PM EDT	Severe Thunderstorm Warning	CTP	Centre	45 min
Jun 29, 10:42 PM EDT	Severe Thunderstorm Warning	CTP	Potter, Tioga	63 min
Jun 30, 12:11 AM EDT	Severe Thunderstorm Warning	BGM	Bradford	22 min
Jun 30, 1:04 PM EDT	Severe Thunderstorm Warning	PBZ	Washington	26 min
Jun 30, 1:06 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Washington, Westmoreland	24 min
Jun 30, 1:23 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Washington, Westmoreland	52 min
Jun 30, 2:03 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana, Westmoreland	42 min
Jun 30, 2:14 PM EDT	Severe Thunderstorm Warning	CTP	Clinton, Lycoming	50 min
Jun 30, 2:25 PM EDT	Severe Thunderstorm Warning	CTP	Cambria	28 min
Jun 30, 2:26 PM EDT	Severe Thunderstorm Warning	PBZ	Washington	49 min
Jun 30, 2:37 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana	38 min
Jun 30, 2:41 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Washington	34 min
Jun 30, 2:45 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana, Westmoreland	45 min
Jun 30, 3:46 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Montour, Northumberland, Snyder, Union	44 min
Jun 30, 3:54 PM EDT	Severe Thunderstorm Warning	BGM	Bradford, Susquehanna	51 min
Jun 30, 4:32 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Luzerne, Wyoming	43 min
Jun 30, 4:33 PM EDT	Severe Thunderstorm Warning	BGM	Bradford, Susquehanna	42 min
Jun 30, 4:50 PM EDT	Severe Thunderstorm Warning	BGM	Bradford, Susquehanna, Wayne	40 min
Jun 30, 5:24 PM EDT	Severe Thunderstorm Warning	CTP	Franklin, Fulton	48 min
Jun 30, 5:49 PM EDT	Severe Thunderstorm Warning	BGM	Wayne	41 min
Jun 30, 5:58 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Butler, Washington	47 min
Jun 30, 6:27 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland	48 min

By county

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

23 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2020 2022

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.