Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2020

Severe Thunderstorm Warnings in Pennsylvania, June 2020

101 severe thunderstorm warnings in June 2020. 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 2020. Tap one for its archive.

Severe Thunderstorm Warnings: 101
Busiest day: June 3, 202030 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, 12:39 AM EDT	Severe Thunderstorm Warning	CTP	McKean, Potter	96 min
Jun 3, 1:28 AM EDT	Severe Thunderstorm Warning	CTP	Tioga	25 min
Jun 3, 8:26 AM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Forest, Venango	34 min
Jun 3, 8:54 AM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Forest, Jefferson, Venango	40 min
Jun 3, 9:26 AM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Clarion, Indiana, Jefferson	49 min
Jun 3, 9:52 AM EDT	Severe Thunderstorm Warning	CTP	Blair, Cambria, Centre, Clearfield, Huntingdon	38 min
Jun 3, 10:36 AM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Dauphin, Huntingdon, Juniata, Lebanon, Mifflin and 2 more	54 min
Jun 3, 10:50 AM EDT	Severe Thunderstorm Warning	CTP	Columbia, Montour, Northumberland, Schuylkill	40 min
Jun 3, 11:04 AM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Carbon, Lehigh, Monroe, Montgomery and 1 more	41 min
Jun 3, 11:19 AM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lancaster, Lebanon, York	56 min
Jun 3, 11:29 AM EDT	Severe Thunderstorm Warning	PHI	Berks, Chester, Montgomery	46 min
Jun 3, 11:38 AM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Chester, Lehigh, Montgomery, Northampton	37 min
Jun 3, 11:59 AM EDT	Severe Thunderstorm Warning	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	46 min
Jun 3, 12:06 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware, Philadelphia	39 min
Jun 3, 3:21 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Centre, Clinton	54 min
Jun 3, 4:11 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton, Union	64 min
Jun 3, 4:43 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Northumberland, Schuylkill, Snyder, Union	47 min
Jun 3, 4:49 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Juniata, Mifflin, Northumberland, Snyder, Union	41 min
Jun 3, 5:14 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming, Sullivan, Tioga	61 min
Jun 3, 5:26 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Lebanon, Northumberland, Snyder	64 min
Jun 3, 5:46 PM EDT	Severe Thunderstorm Warning	PHI	Berks	44 min
Jun 3, 5:48 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Juniata, Lebanon, Northumberland, Perry, Snyder	57 min
Jun 3, 6:04 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Susquehanna, Wayne, Wyoming	56 min
Jun 3, 6:12 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, Lebanon	63 min
Jun 3, 6:26 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Chester, Montgomery	64 min
Jun 3, 6:48 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Juniata, Perry	57 min
Jun 3, 6:53 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Pike, Wayne	67 min
Jun 3, 7:02 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware, Montgomery, Philadelphia	58 min
Jun 3, 7:11 PM EDT	Severe Thunderstorm Warning	PHI	Monroe	64 min
Jun 3, 7:27 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, York	63 min
Jun 3, 8:15 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	45 min
Jun 3, 8:52 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	23 min
Jun 3, 8:52 PM EDT	Severe Thunderstorm Warning	PHI	Chester	24 min
Jun 4, 3:05 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Lawrence	55 min
Jun 4, 3:11 PM EDT	Severe Thunderstorm Warning	CTP	Franklin, Fulton, Huntingdon	49 min
Jun 4, 3:23 PM EDT	Severe Thunderstorm Warning	CTP	Franklin, Fulton	52 min
Jun 4, 4:03 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Butler, Lawrence, Washington, Westmoreland	42 min
Jun 4, 4:16 PM EDT	Severe Thunderstorm Warning	PBZ	Butler, Lawrence, Mercer, Venango	59 min
Jun 4, 4:35 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin, Juniata, Northumberland, Perry	40 min
Jun 4, 4:36 PM EDT	Severe Thunderstorm Warning	CTP	Adams, Cumberland, Franklin	54 min
Jun 4, 4:43 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Beaver, Butler, Fayette, Indiana and 2 more	77 min
Jun 4, 5:11 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Butler, Clarion, Forest, Lawrence, Mercer and 1 more	23 min
Jun 4, 5:15 PM EDT	Severe Thunderstorm Warning	CTP	Lebanon, Schuylkill	60 min
Jun 4, 5:39 PM EDT	Severe Thunderstorm Warning	PHI	Berks	81 min
Jun 4, 5:43 PM EDT	Severe Thunderstorm Warning	CTP	Lebanon, Schuylkill	47 min
Jun 4, 5:45 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Franklin, Fulton	60 min
Jun 4, 5:53 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clearfield	37 min
Jun 4, 6:09 PM EDT	Severe Thunderstorm Warning	CTP	Bedford	20 min
Jun 4, 6:25 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland	35 min
Jun 4, 6:28 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Franklin, Huntingdon, Juniata, Perry	47 min
Jun 4, 6:31 PM EDT	Severe Thunderstorm Warning	CTP	Adams, York	59 min
Jun 4, 6:42 PM EDT	Severe Thunderstorm Warning	PHI	Berks, Bucks, Lehigh, Montgomery	63 min
Jun 4, 6:55 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Huntingdon, Juniata, Mifflin, Perry	50 min
Jun 4, 6:57 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Perry	33 min
Jun 4, 7:13 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Cambria, Centre, Clearfield, Huntingdon	62 min
Jun 4, 7:17 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	58 min
Jun 4, 7:20 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Dauphin, Perry	25 min
Jun 4, 7:33 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair, Huntingdon	42 min
Jun 4, 7:41 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Dauphin, Juniata, Lebanon, Northumberland, Perry and 2 more	49 min
Jun 4, 7:59 PM EDT	Severe Thunderstorm Warning	CTP	Lancaster, York	61 min
Jun 4, 10:31 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	46 min
Jun 10, 1:56 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming	79 min
Jun 10, 2:49 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton, Lycoming, Union	56 min
Jun 10, 4:12 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Huntingdon	36 min
Jun 10, 6:32 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Fayette, Washington, Westmoreland	31 min
Jun 10, 8:30 PM EDT	Severe Thunderstorm Warning	CTP	Dauphin	27 min
Jun 10, 8:44 PM EDT	Severe Thunderstorm Warning	CTP	Schuylkill	76 min
Jun 10, 9:07 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver	23 min
Jun 10, 9:23 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Lawrence, Mercer, Washington	37 min
Jun 10, 9:44 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Erie	91 min
Jun 10, 9:52 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Butler, Lawrence, Mercer, Venango	38 min
Jun 10, 10:23 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Butler, Clarion, Mercer, Venango	27 min
Jun 20, 3:43 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Philadelphia	32 min
Jun 21, 3:48 PM EDT	Severe Thunderstorm Warning	PBZ	Washington	27 min
Jun 21, 4:15 PM EDT	Severe Thunderstorm Warning	PBZ	Washington	30 min
Jun 21, 5:43 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Lawrence	32 min
Jun 21, 5:48 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Lawrence	27 min
Jun 21, 6:53 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong	22 min
Jun 22, 1:27 PM EDT	Severe Thunderstorm Warning	CTP	Somerset	48 min
Jun 22, 1:27 PM EDT	Severe Thunderstorm Warning	PBZ	Westmoreland	33 min
Jun 22, 2:24 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Clarion, Indiana, Jefferson	51 min
Jun 22, 4:36 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Mifflin	54 min
Jun 22, 5:02 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Huntingdon, Mifflin	43 min
Jun 22, 7:25 PM EDT	Severe Thunderstorm Warning	PHI	Chester	22 min
Jun 23, 6:12 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware	48 min
Jun 25, 2:35 PM EDT	Severe Thunderstorm Warning	CTP	Franklin	40 min
Jun 25, 6:13 PM EDT	Severe Thunderstorm Warning	CTP	Clearfield, Elk	47 min
Jun 25, 6:43 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Clearfield, Clinton, Elk	47 min
Jun 25, 7:13 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton	47 min
Jun 25, 8:10 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Franklin, Fulton, Huntingdon	50 min
Jun 27, 3:01 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Lehigh, Northampton	44 min
Jun 27, 3:37 PM EDT	Severe Thunderstorm Warning	PHI	Bucks, Lehigh, Northampton	53 min
Jun 28, 2:02 PM EDT	Severe Thunderstorm Warning	PHI	Northampton	13 min
Jun 28, 2:03 PM EDT	Severe Thunderstorm Warning	BGM	Susquehanna, Wayne	57 min
Jun 28, 2:35 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Wayne	40 min
Jun 28, 3:01 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Pike, Wayne	59 min
Jun 28, 3:05 PM EDT	Severe Thunderstorm Warning	BGM	Wayne	55 min
Jun 28, 3:20 PM EDT	Severe Thunderstorm Warning	PHI	Carbon, Monroe, Northampton	40 min
Jun 28, 3:30 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Luzerne, Wayne	60 min
Jun 28, 5:09 PM EDT	Severe Thunderstorm Warning	PHI	Chester, Delaware	36 min
Jun 28, 5:14 PM EDT	Severe Thunderstorm Warning	PHI	Northampton	46 min

By county

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

24 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2019 2021

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.