Weather alerts in Pennsylvania, May 2017

291 weather alerts in May 2017, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in May 2017. Tap one for its archive.

Alerts: 291
Warnings: 120
Watches: 11
Advisories: 53
Busiest day: May 1, 201759 alerts

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 1, 11:59 AM EDT	Mesoscale Discussion	SPC	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more	2 hr
May 1, 12:32 PM EDT	Tornado Watch	SPC	Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 11 more	4 hr
May 1, 1:22 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Greene, Washington	53 min
May 1, 1:35 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Lawrence, Mercer	55 min
May 1, 1:41 PM EDT	Mesoscale Discussion	SPC	Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 15 more	64 min
May 1, 1:45 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Erie	60 min
May 1, 1:47 PM EDT	Severe Thunderstorm Warning	PBZ	Mercer, Venango	43 min
May 1, 2:05 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Butler, Lawrence, Mercer, Venango and 1 more	55 min
May 1, 2:11 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Greene, Washington	49 min
May 1, 2:12 PM EDT	Tornado Watch	SPC	Bedford, Blair, Bradford, Cambria, Cameron, Centre and 23 more	8 hr
May 1, 2:22 PM EDT	Severe Thunderstorm Warning	CLE	Crawford, Erie	53 min
May 1, 2:26 PM EDT	Special Weather Statement	CTP	Warren	64 min
May 1, 2:26 PM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Forest, Mercer, Venango	49 min
May 1, 2:29 PM EDT	Tornado Warning	PBZ	Beaver, Butler	31 min
May 1, 2:37 PM EDT	Severe Thunderstorm Warning	CTP	Warren	68 min
May 1, 2:47 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Butler, Clarion, Indiana, Venango and 1 more	58 min
May 1, 2:50 PM EDT	Tornado Warning	PBZ	Armstrong, Butler, Clarion, Venango	25 min
May 1, 2:54 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Fayette, Greene, Washington, Westmoreland	66 min
May 1, 3:03 PM EDT	Areal Flood Advisory	PBZ	Allegheny, Butler, Fayette, Greene, Washington, Westmoreland	3 hr
May 1, 3:09 PM EDT	Areal Flood Warning	CLE	Erie	3 hr
May 1, 3:10 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Clarion, Forest, Jefferson, Venango	65 min
May 1, 3:19 PM EDT	Tornado Warning	PBZ	Clarion, Forest, Venango	26 min
May 1, 3:33 PM EDT	Severe Thunderstorm Warning	CTP	Elk, McKean	87 min
May 1, 3:34 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Clarion, Indiana, Jefferson, Westmoreland	56 min
May 1, 3:42 PM EDT	Special Weather Statement	PBZ	Fayette	48 min
May 1, 3:43 PM EDT	Severe Thunderstorm Warning	CTP	Warren	17 min
May 1, 3:48 PM EDT	Tornado Warning	CTP	Elk	27 min
May 1, 3:56 PM EDT	Severe Thunderstorm Warning	CTP	Cambria, Clearfield	94 min
May 1, 4:06 PM EDT	Tornado Warning	CTP	McKean	39 min
May 1, 4:22 PM EDT	Severe Thunderstorm Warning	CTP	Cameron, Potter	68 min
May 1, 4:35 PM EDT	Tornado Warning	CTP	Potter	55 min
May 1, 4:36 PM EDT	Mesoscale Discussion	SPC	Bedford, Blair, Bradford, Centre, Clinton, Franklin and 15 more	84 min
May 1, 4:52 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton	113 min
May 1, 5:01 PM EDT	Severe Thunderstorm Warning	CTP	Somerset	29 min
May 1, 5:03 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette	41 min
May 1, 5:05 PM EDT	Areal Flood Advisory	CTP	McKean, Warren	3 hr
May 1, 5:21 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair	84 min
May 1, 5:25 PM EDT	Severe Thunderstorm Warning	CTP	Potter, Tioga	95 min
May 1, 5:35 PM EDT	Severe Thunderstorm Warning	CTP	Cambria, Clearfield, Somerset	25 min
May 1, 5:44 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming	61 min
May 1, 5:50 PM EDT	Areal Flood Advisory	CTP	Bedford, Blair, Cambria, Centre, Clearfield, Huntingdon and 1 more	3 hr
May 1, 5:54 PM EDT	Severe Thunderstorm Watch	SPC	Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 3 more	5 hr
May 1, 5:58 PM EDT	Areal Flood Advisory	CTP	Clinton, Lycoming, Potter, Tioga	3 hr
May 1, 6:06 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Huntingdon	69 min
May 1, 6:24 PM EDT	Severe Thunderstorm Warning	BGM	Bradford	66 min
May 1, 6:31 PM EDT	Severe Thunderstorm Warning	CTP	Mifflin	59 min
May 1, 6:36 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming, Snyder, Union	84 min
May 1, 6:44 PM EDT	Areal Flood Advisory	CTP	Centre, Clinton, Huntingdon, Juniata, Lycoming, Mifflin and 5 more	3 hr
May 1, 6:44 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton	46 min
May 1, 6:52 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Snyder	68 min
May 1, 6:52 PM EDT	Severe Thunderstorm Watch	SPC	Pike, Wayne	4 hr
May 1, 7:02 PM EDT	Severe Thunderstorm Warning	BGM	Bradford	43 min
May 1, 7:05 PM EDT	Severe Thunderstorm Warning	CTP	Sullivan	55 min
May 1, 7:14 PM EDT	Severe Thunderstorm Warning	BGM	Bradford, Susquehanna	61 min
May 1, 7:14 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Montour, Northumberland	61 min
May 1, 7:16 PM EDT	Mesoscale Discussion	SPC	Bucks, Chester, Delaware, Montgomery, Northampton, Philadelphia	2 hr
May 1, 7:36 PM EDT	Special Weather Statement	CTP	Juniata, Mifflin, Snyder	54 min
May 1, 7:49 PM EDT	Severe Thunderstorm Warning	BGM	Bradford, Lackawanna, Luzerne, Susquehanna, Wyoming	41 min
May 1, 7:59 PM EDT	Severe Thunderstorm Warning	CTP	Snyder	21 min
May 1, 8:01 PM EDT	Special Weather Statement	CTP	Bedford, Fulton, Huntingdon	44 min
May 1, 8:18 PM EDT	Special Weather Statement	CTP	Montour	27 min
May 1, 8:29 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming	61 min
May 1, 8:29 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Franklin, Fulton, Huntingdon	46 min
May 1, 8:39 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Lycoming, Montour, Sullivan	36 min
May 1, 8:47 PM EDT	Tornado Warning	CTP	Franklin, Fulton, Huntingdon	26 min
May 1, 8:51 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Luzerne, Wyoming	39 min
May 1, 8:55 PM EDT	Areal Flood Advisory	CTP	Columbia, Lycoming, Montour, Northumberland, Sullivan, Union	3 hr
May 1, 9:02 PM EDT	Special Weather Statement	CTP	Union	28 min
May 1, 9:10 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Perry	54 min
May 1, 9:24 PM EDT	Severe Thunderstorm Warning	BGM	Lackawanna, Luzerne, Wyoming	51 min
May 1, 9:29 PM EDT	Areal Flood Advisory	BGM	Lackawanna, Luzerne, Susquehanna, Wyoming	2 hr
May 1, 9:55 PM EDT	Severe Thunderstorm Warning	CTP	Columbia, Montour, Northumberland, Snyder	80 min
May 1, 10:06 PM EDT	Areal Flood Advisory	CTP	Columbia, Lycoming, Montour, Northumberland, Snyder, Sullivan and 1 more	3 hr
May 1, 10:55 PM EDT	Special Weather Statement	CTP	Juniata, Perry, Snyder	65 min
May 1, 11:09 PM EDT	Flash Flood Warning	BGM	Lackawanna, Luzerne, Susquehanna, Wyoming	111 min
May 1, 11:55 PM EDT	Special Weather Statement	CTP	Columbia, Dauphin, Northumberland, Perry, Schuylkill	80 min
May 2, 3:12 AM EDT	Wind Advisory	CLE	Crawford, Erie	15 hr
May 2, 4:35 AM EDT	Wind Advisory	CTP	Bedford, Blair, Cambria, Cameron, Clearfield, Elk and 3 more	14 hr
May 2, 4:37 AM EDT	Wind Advisory	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more	14 hr
May 3, 2:58 PM EDT	Frost Advisory	PHI	Carbon, Lehigh, Monroe, Northampton	17 hr
May 3, 3:00 PM EDT	Frost Advisory	CTP	Centre, Clinton, Columbia, Huntingdon, Juniata, Lycoming and 6 more	14 hr
May 3, 3:04 PM EDT	Frost Advisory	BGM	Lackawanna, Luzerne	17 hr
May 5, 9:12 AM EDT	Special Weather Statement	PHI	Chester, Delaware	33 min
May 5, 9:36 AM EDT	Special Weather Statement	CTP	Adams, Cumberland, York	39 min
May 5, 10:45 AM EDT	Areal Flood Advisory	CTP	Adams, Bedford, Blair, Cambria, Centre, Columbia and 17 more	3 hr
May 5, 11:14 AM EDT	Areal Flood Advisory	PHI	Chester, Delaware, Montgomery, Philadelphia	4 hr
May 5, 11:33 AM EDT	Areal Flood Advisory	PHI	Bucks, Montgomery, Philadelphia	4 hr
May 5, 11:51 AM EDT	River Flood Advisory	PBZ	Allegheny	4 days
May 5, 1:02 PM EDT	Areal Flood Advisory	PHI	Bucks	4 hr
May 5, 2:40 PM EDT	River Flood Warning	CTP	Huntingdon	24 hr
May 5, 4:07 PM EDT	Mesoscale Discussion	SPC	Allegheny, Armstrong, Butler, Clarion, Fayette, Greene and 3 more	113 min
May 5, 4:42 PM EDT	Flash Flood Warning	PBZ	Fayette	2 hr
May 5, 4:52 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette	38 min
May 5, 5:01 PM EDT	Special Weather Statement	PBZ	Fayette	44 min
May 5, 5:30 PM EDT	Flash Flood Warning	PBZ	Fayette, Westmoreland	2 hr
May 5, 5:42 PM EDT	Special Weather Statement	CTP	Cumberland	33 min
May 5, 5:43 PM EDT	Special Weather Statement	PBZ	Armstrong	47 min
May 5, 6:15 PM EDT	Mesoscale Discussion	SPC	Franklin	90 min
May 5, 6:17 PM EDT	Special Weather Statement	CTP	Cumberland	28 min
May 5, 6:34 PM EDT	Flash Flood Warning	PBZ	Armstrong, Clarion	3 hr
May 5, 6:51 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette	39 min
May 5, 6:59 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette	46 min
May 5, 7:06 PM EDT	Special Weather Statement	CTP	Perry	24 min
May 5, 7:14 PM EDT	Severe Thunderstorm Warning	CTP	Juniata, Perry	23 min
May 5, 7:39 PM EDT	Special Weather Statement	CTP	Warren	36 min
May 5, 7:53 PM EDT	Severe Thunderstorm Warning	PBZ	Westmoreland	38 min
May 5, 8:10 PM EDT	Areal Flood Advisory	CTP	Warren	3 hr
May 5, 8:11 PM EDT	Special Weather Statement	CTP	Huntingdon	34 min
May 5, 8:50 PM EDT	Special Weather Statement	CTP	Elk	25 min
May 5, 9:20 PM EDT	Special Weather Statement	CTP	Elk	25 min
May 5, 9:27 PM EDT	Areal Flood Advisory	CTP	Juniata, Mifflin	2 hr
May 5, 9:28 PM EDT	Areal Flood Warning	PBZ	Armstrong, Clarion	12 hr
May 6, 1:01 AM EDT	Areal Flood Advisory	CTP	Centre, Clinton, Huntingdon, Juniata, Lycoming, Mifflin and 2 more	3 hr
May 6, 7:20 AM EDT	Areal Flood Advisory	BGM	Susquehanna, Wayne	3 hr
May 7, 1:59 PM EDT	Frost Advisory	PBZ	Allegheny, Beaver, Fayette, Greene, Washington, Westmoreland	19 hr
May 7, 1:59 PM EDT	Freeze Warning	PBZ	Butler, Lawrence, Mercer	19 hr
May 7, 2:10 PM EDT	Frost Advisory	CLE	Erie	19 hr
May 7, 2:10 PM EDT	Freeze Warning	CLE	Crawford, Erie	19 hr
May 7, 3:34 PM EDT	Frost Advisory	BGM	Lackawanna, Luzerne	16 hr
May 7, 3:43 PM EDT	Freeze Warning	PHI	Carbon, Monroe	12 hr
May 7, 4:32 PM EDT	Frost Advisory	CTP	Blair, Centre, Clinton, Columbia, Dauphin, Huntingdon and 9 more	15 hr
May 8, 3:20 AM EDT	Frost Advisory	PBZ	Allegheny, Beaver, Fayette, Greene, Washington, Westmoreland	30 hr
May 8, 3:32 AM EDT	Frost Advisory	CLE	Erie	29 hr
May 8, 3:32 AM EDT	Freeze Warning	CLE	Crawford, Erie	29 hr
May 8, 4:20 AM EDT	Freeze Watch	CTP	Bedford, Blair, Centre, Clinton, Columbia, Dauphin and 12 more	10 hr
May 8, 2:31 PM EDT	Frost Advisory	CTP	Adams, Columbia, Cumberland, Dauphin, Franklin, Fulton and 12 more	16 hr
May 8, 2:31 PM EDT	Freeze Warning	CTP	Bedford, Blair, Centre, Clinton, Lycoming	16 hr
May 8, 2:43 PM EDT	Frost Advisory	BGM	Lackawanna, Luzerne	16 hr
May 8, 2:47 PM EDT	Freeze Warning	PBZ	Butler, Lawrence, Mercer	18 hr
May 8, 3:18 PM EDT	Frost Advisory	PHI	Berks, Lehigh, Northampton	15 hr
May 8, 3:18 PM EDT	Freeze Warning	PHI	Carbon, Monroe	15 hr
May 9, 4:00 AM EDT	Frost Advisory	BGM	Lackawanna, Luzerne	28 hr
May 9, 3:09 PM EDT	Frost Advisory	PHI	Carbon, Monroe	12 hr
May 10, 1:34 PM EDT	Frost Advisory	CTP	Lycoming, Sullivan, Tioga	16 hr
May 10, 1:53 PM EDT	Frost Advisory	BGM	Bradford	18 hr
May 11, 8:34 AM EDT	Areal Flood Advisory	PBZ	Fayette	3 hr
May 14, 7:58 PM EDT	Special Weather Statement	PHI	Monroe	47 min
May 14, 9:38 PM EDT	Special Weather Statement	PHI	Bucks	37 min
May 18, 2:04 PM EDT	Mesoscale Discussion	SPC	Crawford, Elk, Erie, Forest, McKean, Potter and 3 more	116 min
May 18, 3:17 PM EDT	Special Weather Statement	CTP	Potter	28 min
May 18, 3:36 PM EDT	Severe Thunderstorm Watch	SPC	Bradford, Cameron, Elk, McKean, Potter, Susquehanna and 2 more	6 hr
May 18, 3:40 PM EDT	Severe Thunderstorm Warning	PBZ	Washington	50 min
May 18, 3:47 PM EDT	Special Weather Statement	CTP	Potter	28 min
May 18, 4:07 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Washington	38 min
May 18, 4:35 PM EDT	Mesoscale Discussion	SPC	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 5 more	85 min
May 18, 5:00 PM EDT	Special Weather Statement	PBZ	Forest	30 min
May 18, 5:07 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Butler, Lawrence	38 min
May 18, 5:09 PM EDT	Special Weather Statement	CTP	Elk	21 min
May 18, 5:11 PM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Forest	19 min
May 18, 5:26 PM EDT	Special Weather Statement	PBZ	Forest	34 min
May 18, 5:30 PM EDT	Special Weather Statement	CTP	McKean	15 min
May 18, 5:36 PM EDT	Mesoscale Discussion	SPC	McKean, Potter, Tioga, Warren	84 min
May 18, 5:47 PM EDT	Special Weather Statement	CTP	McKean	28 min
May 18, 5:52 PM EDT	Special Weather Statement	PBZ	Lawrence	23 min
May 18, 5:53 PM EDT	Special Weather Statement	CTP	York	22 min
May 18, 6:04 PM EDT	Special Weather Statement	CTP	Elk	26 min
May 18, 6:06 PM EDT	Severe Thunderstorm Warning	CTP	York	54 min
May 18, 6:19 PM EDT	Severe Thunderstorm Warning	CTP	Elk	41 min
May 18, 6:38 PM EDT	Special Weather Statement	CTP	Cameron	22 min
May 18, 7:04 PM EDT	Special Weather Statement	CTP	Potter	26 min
May 18, 7:33 PM EDT	Mesoscale Discussion	SPC	Bradford, Susquehanna	87 min
May 18, 8:18 PM EDT	Severe Thunderstorm Warning	CLE	Crawford	42 min
May 18, 9:02 PM EDT	Special Weather Statement	CLE	Crawford	43 min
May 18, 9:11 PM EDT	Special Weather Statement	CTP	Warren	34 min
May 19, 3:13 PM EDT	Severe Thunderstorm Watch	SPC	Greene, Washington	6 hr
May 19, 3:21 PM EDT	Special Weather Statement	CTP	Lancaster	24 min
May 19, 3:36 PM EDT	Mesoscale Discussion	SPC	Bucks, Chester, Delaware, Lancaster, Montgomery, Philadelphia and 1 more	114 min
May 19, 4:06 PM EDT	Special Weather Statement	CTP	Somerset	24 min
May 19, 4:08 PM EDT	Beach Hazards Statement	CLE	Erie	32 hr
May 19, 4:47 PM EDT	Special Weather Statement	PBZ	Fayette	28 min
May 19, 4:56 PM EDT	Special Weather Statement	CTP	Somerset	34 min
May 19, 5:12 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette, Westmoreland	48 min
May 19, 5:50 PM EDT	Mesoscale Discussion	SPC	Greene, Washington	55 min
May 21, 3:10 PM EDT	Special Weather Statement	PBZ	Butler	50 min
May 22, 9:01 AM EDT	Beach Hazards Statement	CLE	Erie	11 hr
May 25, 5:29 PM EDT	Areal Flood Advisory	PHI	Bucks, Chester, Delaware, Montgomery, Philadelphia	2 hr
May 25, 5:42 PM EDT	Special Weather Statement	PHI	Philadelphia	33 min
May 25, 6:39 PM EDT	Special Weather Statement	PHI	Bucks	36 min
May 25, 7:08 PM EDT	Areal Flood Advisory	CTP	Centre	112 min
May 25, 8:04 PM EDT	Areal Flood Advisory	CTP	Cameron	116 min
May 25, 8:39 PM EDT	Special Weather Statement	PHI	Chester, Delaware	51 min
May 28, 6:49 AM EDT	Dense Fog Advisory	CTP	Adams, Bedford, Blair, Cambria, Centre, Clearfield and 12 more	2 hr
May 28, 11:11 AM EDT	Flash Flood Watch	PBZ	Allegheny, Fayette, Greene, Washington, Westmoreland	8 hr
May 28, 11:19 AM EDT	Flash Flood Watch	CTP	Bedford, Somerset	11 hr
May 28, 1:07 PM EDT	Special Weather Statement	CTP	Franklin	23 min
May 28, 1:56 PM EDT	Severe Thunderstorm Watch	SPC	Crawford, Erie	6 hr
May 28, 2:53 PM EDT	Special Weather Statement	CLE	Crawford	52 min
May 28, 3:37 PM EDT	Special Weather Statement	CTP	Cambria	53 min
May 28, 3:46 PM EDT	Special Weather Statement	CLE	Crawford	59 min
May 28, 3:49 PM EDT	Special Weather Statement	PBZ	Venango	26 min
May 28, 3:54 PM EDT	Severe Thunderstorm Warning	PBZ	Mercer, Venango	36 min
May 28, 3:58 PM EDT	Flash Flood Warning	CLE	Crawford	3 hr
May 28, 4:01 PM EDT	Severe Thunderstorm Warning	PBZ	Clarion, Forest, Venango	44 min
May 28, 4:09 PM EDT	Mesoscale Discussion	SPC	Crawford, Erie, Lawrence, Mercer, Venango	66 min
May 28, 4:12 PM EDT	Severe Thunderstorm Warning	PBZ	Venango	33 min
May 28, 4:31 PM EDT	Areal Flood Advisory	CTP	Somerset	3 hr
May 28, 4:45 PM EDT	Severe Thunderstorm Warning	PBZ	Clarion	30 min
May 28, 4:46 PM EDT	Flash Flood Warning	PBZ	Clarion	119 min
May 28, 4:49 PM EDT	Tornado Warning	PBZ	Clarion	26 min
May 28, 4:56 PM EDT	Flash Flood Warning	PBZ	Forest, Venango	94 min
May 28, 5:06 PM EDT	Flash Flood Warning	CTP	Somerset	3 hr
May 28, 5:12 PM EDT	Areal Flood Advisory	CTP	McKean, Warren	3 hr
May 28, 5:46 PM EDT	Mesoscale Discussion	SPC	Armstrong, Butler, Clarion, Crawford, Erie, Forest and 5 more	59 min
May 28, 6:40 PM EDT	Areal Flood Warning	PBZ	Clarion	3 hr
May 28, 6:55 PM EDT	Areal Flood Advisory	CTP	Bedford, Fulton	110 min
May 28, 6:59 PM EDT	Areal Flood Warning	CLE	Crawford	3 hr
May 28, 7:34 PM EDT	Areal Flood Warning	PBZ	Venango	3 hr
May 28, 7:39 PM EDT	Mesoscale Discussion	SPC	Crawford, Erie, Forest, Mercer, Venango, Warren	96 min
May 28, 7:56 PM EDT	Areal Flood Warning	CTP	Somerset	3 hr
May 28, 8:01 PM EDT	Special Weather Statement	PBZ	Mercer	29 min
May 28, 8:13 PM EDT	Areal Flood Advisory	CTP	Clearfield	3 hr
May 28, 8:41 PM EDT	Areal Flood Warning	PBZ	Venango	3 hr
May 28, 9:01 PM EDT	Special Weather Statement	CTP	Warren	59 min
May 28, 9:12 PM EDT	Areal Flood Warning	PBZ	Mercer	3 hr
May 28, 11:12 PM EDT	Areal Flood Advisory	CTP	Centre, Clearfield	3 hr
May 29, 12:59 AM EDT	Flash Flood Warning	CTP	Clearfield	6 hr
May 29, 2:50 AM EDT	Areal Flood Advisory	CTP	Blair, Centre, Clearfield, Clinton, Huntingdon, Mifflin	4 hr
May 29, 3:08 AM EDT	Areal Flood Warning	PBZ	Indiana	9 hr
May 29, 8:03 AM EDT	Special Weather Statement	CTP	Lebanon, Schuylkill	57 min
May 29, 8:59 AM EDT	Special Weather Statement	PHI	Carbon, Lehigh, Monroe, Northampton	31 min
May 29, 10:36 AM EDT	Areal Flood Advisory	CTP	Cambria, Clearfield	114 min
May 29, 5:29 PM EDT	Special Weather Statement	CTP	York	61 min
May 30, 9:46 AM EDT	Special Weather Statement	CTP	Mifflin	29 min
May 30, 9:48 AM EDT	Special Weather Statement	CTP	Clinton	42 min
May 30, 10:17 AM EDT	Special Weather Statement	CTP	Mifflin	43 min
May 30, 10:35 AM EDT	Special Weather Statement	CTP	Tioga	55 min
May 30, 12:01 PM EDT	Special Weather Statement	CTP	Cambria	44 min
May 30, 12:03 PM EDT	Mesoscale Discussion	SPC	Armstrong, Bedford, Blair, Cambria, Cameron, Centre and 15 more	2 hr
May 30, 12:17 PM EDT	Special Weather Statement	CTP	Potter	43 min
May 30, 12:20 PM EDT	Special Weather Statement	CTP	Clinton	40 min
May 30, 12:28 PM EDT	Special Weather Statement	PBZ	Fayette	32 min
May 30, 12:31 PM EDT	Severe Thunderstorm Warning	CTP	Blair, Centre, Huntingdon	44 min
May 30, 12:34 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clearfield, Clinton	56 min
May 30, 12:34 PM EDT	Special Weather Statement	PBZ	Jefferson	26 min
May 30, 12:39 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Clarion, Jefferson	51 min
May 30, 12:39 PM EDT	Severe Thunderstorm Watch	SPC	Adams, Armstrong, Bedford, Blair, Bradford, Cambria and 27 more	6 hr
May 30, 12:44 PM EDT	Special Weather Statement	CTP	Potter	46 min
May 30, 12:52 PM EDT	Severe Thunderstorm Warning	PBZ	Fayette	28 min
May 30, 1:00 PM EDT	Special Weather Statement	CTP	Fulton	45 min
May 30, 1:04 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	25 min
May 30, 1:10 PM EDT	Special Weather Statement	PBZ	Armstrong	35 min
May 30, 1:14 PM EDT	Severe Thunderstorm Warning	CTP	Clearfield, Elk	61 min
May 30, 1:14 PM EDT	Tornado Warning	CTP	Huntingdon	46 min
May 30, 1:19 PM EDT	Special Weather Statement	PBZ	Fayette	11 min
May 30, 1:22 PM EDT	Severe Thunderstorm Warning	CTP	Somerset	53 min
May 30, 1:23 PM EDT	Special Weather Statement	CTP	Blair	52 min
May 30, 1:23 PM EDT	Special Weather Statement	PBZ	Armstrong	37 min
May 30, 1:25 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Indiana, Jefferson	50 min
May 30, 1:27 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Indiana, Westmoreland	25 min
May 30, 1:32 PM EDT	Areal Flood Warning	PBZ	Armstrong	88 min
May 30, 1:43 PM EDT	Special Weather Statement	CTP	Clinton	32 min
May 30, 1:45 PM EDT	Severe Thunderstorm Warning	CTP	Huntingdon, Mifflin	60 min
May 30, 1:47 PM EDT	Special Weather Statement	PBZ	Armstrong	13 min
May 30, 2:00 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	19 min
May 30, 2:04 PM EDT	Severe Thunderstorm Warning	CTP	Clearfield	41 min
May 30, 2:13 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Fulton, Huntingdon	62 min
May 30, 2:16 PM EDT	Special Weather Statement	CTP	Clinton	29 min
May 30, 2:17 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana	31 min
May 30, 2:25 PM EDT	Special Weather Statement	CTP	Bedford, Fulton	35 min
May 30, 2:33 PM EDT	Special Weather Statement	CTP	Juniata	27 min
May 30, 2:33 PM EDT	Special Weather Statement	PBZ	Westmoreland	42 min
May 30, 2:42 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clearfield, Clinton	63 min
May 30, 2:43 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Fulton, Huntingdon	32 min
May 30, 2:48 PM EDT	Areal Flood Advisory	CTP	Centre, Clearfield, Clinton	117 min
May 30, 2:52 PM EDT	Special Weather Statement	CTP	Clinton	38 min
May 30, 2:57 PM EDT	Areal Flood Advisory	CTP	Bedford, Huntingdon, Mifflin	3 hr
May 30, 3:11 PM EDT	Severe Thunderstorm Warning	CTP	Centre, Clinton	34 min
May 30, 3:13 PM EDT	Severe Thunderstorm Warning	CTP	Bedford, Cumberland, Franklin, Fulton, Huntingdon, Perry	77 min
May 30, 3:29 PM EDT	Special Weather Statement	CTP	Centre	31 min
May 30, 3:40 PM EDT	Areal Flood Advisory	CTP	Bedford	3 hr
May 30, 3:46 PM EDT	Areal Flood Advisory	CTP	Franklin, Fulton	3 hr
May 30, 4:03 PM EDT	Areal Flood Advisory	CTP	Centre, Clinton, Lycoming, Union	3 hr
May 30, 4:03 PM EDT	Mesoscale Discussion	SPC	Adams, Bedford, Blair, Bradford, Centre, Clinton and 13 more	117 min
May 30, 6:56 PM EDT	Special Weather Statement	CTP	Franklin	64 min
May 31, 12:29 PM EDT	Mesoscale Discussion	SPC	Lackawanna, Susquehanna, Wayne, Wyoming	61 min
May 31, 2:03 PM EDT	Special Weather Statement	CTP	Cameron, Clinton, Lycoming, Potter, Tioga	87 min
May 31, 2:05 PM EDT	Mesoscale Discussion	SPC	Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 7 more	85 min
May 31, 2:58 PM EDT	Severe Thunderstorm Warning	PBZ	Beaver	47 min
May 31, 3:44 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Beaver, Butler, Washington	31 min
May 31, 3:48 PM EDT	Special Weather Statement	CTP	Tioga	42 min
May 31, 3:50 PM EDT	Special Weather Statement	CTP	Sullivan	40 min
May 31, 4:06 PM EDT	Severe Thunderstorm Warning	PBZ	Allegheny, Armstrong, Butler, Indiana, Washington, Westmoreland	39 min
May 31, 4:07 PM EDT	Severe Thunderstorm Warning	PBZ	Greene, Washington	38 min
May 31, 4:47 PM EDT	Special Weather Statement	PBZ	Westmoreland	43 min
May 31, 4:56 PM EDT	Special Weather Statement	BGM	Susquehanna	34 min
May 31, 5:10 PM EDT	Special Weather Statement	CTP	Cambria	50 min
May 31, 5:11 PM EDT	Special Weather Statement	PBZ	Fayette	49 min
May 31, 7:05 PM EDT	Special Weather Statement	BGM	Susquehanna	40 min
May 31, 7:19 PM EDT	Severe Thunderstorm Warning	BGM	Bradford, Susquehanna	41 min
May 31, 7:34 PM EDT	Mesoscale Discussion	SPC	Susquehanna, Wayne	86 min
May 31, 7:59 PM EDT	Severe Thunderstorm Warning	BGM	Susquehanna, Wayne	46 min

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Severe Thunderstorm Warning	84
Tornado Warning	9
Severe Thunderstorm Watch	6
Tornado Watch	2
Mesoscale Discussion	20
Special Weather Statement	85
Flooding
Areal Flood Warning	10
Flash Flood Warning	9
River Flood Warning	1
Flash Flood Watch	2
Areal Flood Advisory	32
River Flood Advisory	1
Cold
Freeze Warning	7
Freeze Watch	1
Frost Advisory	16
Wind and dust
Wind Advisory	3
Fog and smoke
Dense Fog Advisory	1
Coast and beach
Beach Hazards Statement	2

By county

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

27 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2016 2018

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.