Weather alerts in Pennsylvania, May 2003

69 weather alerts in May 2003, 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 2003. Tap one for its archive.

Alerts: 69
Warnings: 41
Watches: 7
Advisories: 0
Busiest day: May 10, 200317 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, 12:41 PM EDT	Mesoscale Discussion	SPC	Allegheny, Armstrong, Beaver, Bradford, Butler, Cameron and 16 more	3 hr
May 1, 1:30 PM EDT	Severe Thunderstorm Watch	SPC	Allegheny, Armstrong, Beaver, Butler, Cameron, Clarion and 15 more	6 hr
May 1, 4:10 PM EDT	Mesoscale Discussion	SPC	Allegheny, Armstrong, Beaver, Butler, Cameron, Clarion and 13 more	95 min
May 1, 4:54 PM EDT	Severe Thunderstorm Warning	CTP	Franklin, Fulton, Huntingdon	66 min
May 1, 6:02 PM EDT	Mesoscale Discussion	SPC	Adams, Bedford, Berks, Blair, Cumberland, Dauphin and 13 more	3 hr
May 1, 6:29 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland	61 min
May 1, 6:40 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland, Dauphin, Perry	50 min
May 1, 7:45 PM EDT	Severe Thunderstorm Warning	BGM	Bradford	60 min
May 1, 9:05 PM EDT	Flash Flood Warning	BGM	Bradford	3 hr
May 1, 9:20 PM EDT	Flash Flood Warning	BGM	Susquehanna	3 hr
May 2, 12:43 PM EDT	Mesoscale Discussion	SPC	Bucks, Carbon, Delaware, Lehigh, Monroe, Montgomery and 3 more	2 hr
May 6, 3:49 PM EDT	Mesoscale Discussion	SPC	Cameron, Centre, Clarion, Clearfield, Clinton, Elk and 6 more	116 min
May 6, 4:28 PM EDT	Severe Thunderstorm Warning	CTP	Elk	62 min
May 6, 5:40 PM EDT	Severe Thunderstorm Warning	PBZ	Armstrong	50 min
May 6, 5:52 PM EDT	Severe Thunderstorm Warning	CTP	Clinton	53 min
May 6, 5:58 PM EDT	Severe Thunderstorm Warning	PBZ	Indiana	62 min
May 6, 7:06 PM EDT	Severe Thunderstorm Warning	CTP	Cambria	54 min
May 7, 12:49 PM EDT	Mesoscale Discussion	SPC	Adams, Armstrong, Bedford, Berks, Blair, Cambria and 29 more	116 min
May 7, 1:20 PM EDT	Severe Thunderstorm Watch	SPC	Adams, Armstrong, Bedford, Blair, Cambria, Centre and 17 more	6 hr
May 7, 3:21 PM EDT	Mesoscale Discussion	SPC	Adams, Blair, Centre, Clearfield, Clinton, Cumberland and 10 more	114 min
May 7, 3:52 PM EDT	Severe Thunderstorm Warning	CTP	Cumberland	53 min
May 7, 6:07 PM EDT	Mesoscale Discussion	SPC	Berks, Chester, Columbia, Dauphin, Lancaster, Lebanon and 3 more	53 min
May 8, 6:09 AM EDT	Severe Thunderstorm Warning	PBZ	Westmoreland	66 min
May 8, 12:55 PM EDT	Severe Thunderstorm Watch	SPC	Adams, Bedford, Fayette, Franklin, Fulton, Greene and 2 more	5 hr
May 8, 2:48 PM EDT	Mesoscale Discussion	SPC	Adams, Bedford, Fayette, Franklin, Fulton, Greene and 2 more	117 min
May 8, 4:46 PM EDT	Mesoscale Discussion	SPC	Fayette, Somerset, Washington	59 min
May 9, 11:04 AM EDT	Flash Flood Warning	PBZ	Greene	3 hr
May 10, 1:42 AM EDT	Severe Thunderstorm Warning	CLE	Crawford	48 min
May 10, 2:21 AM EDT	Severe Thunderstorm Warning	PBZ	Lawrence, Mercer	54 min
May 10, 2:56 AM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Butler, Lawrence	64 min
May 10, 3:33 AM EDT	Severe Thunderstorm Warning	CLE	Erie	42 min
May 10, 3:48 AM EDT	Severe Thunderstorm Warning	PBZ	Armstrong, Indiana	57 min
May 10, 4:12 AM EDT	Severe Thunderstorm Warning	CTP	Cambria	63 min
May 10, 4:33 AM EDT	Mesoscale Discussion	SPC	Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 14 more	87 min
May 10, 4:37 AM EDT	Severe Thunderstorm Warning	CTP	Bedford, Blair	53 min
May 10, 6:33 AM EDT	Severe Thunderstorm Warning	PBZ	Greene, Washington	57 min
May 10, 7:12 AM EDT	Severe Thunderstorm Warning	PBZ	Beaver, Lawrence	63 min
May 10, 7:17 AM EDT	Severe Thunderstorm Warning	PBZ	Fayette	58 min
May 10, 7:28 AM EDT	Flash Flood Warning	PBZ	Greene	4 hr
May 10, 7:37 AM EDT	Flash Flood Warning	PBZ	Fayette	4 hr
May 10, 7:43 AM EDT	Flash Flood Warning	PBZ	Beaver	4 hr
May 10, 7:47 AM EDT	Flash Flood Warning	PBZ	Washington	4 hr
May 10, 8:06 AM EDT	Flash Flood Warning	PBZ	Allegheny, Westmoreland	3 hr
May 10, 9:18 AM EDT	Flash Flood Warning	CTP	Somerset	3 hr
May 10, 8:05 PM EDT	Flash Flood Warning	PBZ	Washington	115 min
May 11, 10:07 AM EDT	Mesoscale Discussion	SPC	Bradford, Cameron, Centre, Clinton, Columbia, Luzerne and 10 more	113 min
May 11, 10:30 AM EDT	Mesoscale Discussion	SPC	Allegheny, Armstrong, Beaver, Butler, Cambria, Cameron and 17 more	2 hr
May 11, 11:45 AM EDT	Tornado Watch	SPC	Allegheny, Armstrong, Beaver, Butler, Cambria, Cameron and 18 more	5 hr
May 11, 12:32 PM EDT	Mesoscale Discussion	SPC	Adams, Blair, Bradford, Centre, Clinton, Columbia and 21 more	118 min
May 11, 1:50 PM EDT	Tornado Watch	SPC	Adams, Bedford, Blair, Bradford, Centre, Clinton and 24 more	5 hr
May 11, 2:52 PM EDT	Mesoscale Discussion	SPC	Allegheny, Armstrong, Beaver, Butler, Cambria, Cameron and 18 more	113 min
May 11, 3:36 PM EDT	Severe Thunderstorm Warning	CTP	Clinton, Lycoming	54 min
May 11, 3:49 PM EDT	Tornado Warning	CTP	Lycoming	41 min
May 11, 3:54 PM EDT	Mesoscale Discussion	SPC	Adams, Bedford, Blair, Bradford, Centre, Clinton and 24 more	2 hr
May 11, 4:30 PM EDT	Severe Thunderstorm Warning	CTP	Lycoming	15 min
May 11, 5:58 PM EDT	Severe Thunderstorm Warning	CTP	Sullivan	47 min
May 11, 6:15 PM EDT	Severe Thunderstorm Warning	BGM	Luzerne, Wyoming	60 min
May 11, 6:30 PM EDT	Tornado Warning	BGM	Luzerne, Wyoming	45 min
May 11, 7:15 PM EDT	Tornado Warning	BGM	Lackawanna, Wyoming	45 min
May 11, 7:17 PM EDT	Severe Thunderstorm Warning	BGM	Luzerne	58 min
May 11, 7:35 PM EDT	Tornado Warning	BGM	Luzerne	40 min
May 11, 8:19 PM EDT	Severe Thunderstorm Warning	PHI	Carbon	56 min
May 23, 1:47 PM EDT	Mesoscale Discussion	SPC	Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 11 more	88 min
May 23, 3:00 PM EDT	Severe Thunderstorm Watch	SPC	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more	6 hr
May 23, 4:41 PM EDT	Mesoscale Discussion	SPC	Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 7 more	94 min
May 23, 6:35 PM EDT	Mesoscale Discussion	SPC	Allegheny, Armstrong, Beaver, Butler, Clarion, Greene and 3 more	115 min
May 31, 1:06 PM EDT	Mesoscale Discussion	SPC	Adams, Franklin	114 min
May 31, 1:40 PM EDT	Severe Thunderstorm Watch	SPC	Adams, Berks, Bucks, Chester, Cumberland, Dauphin and 11 more	5 hr
May 31, 3:58 PM EDT	Mesoscale Discussion	SPC	Adams, Chester, Delaware, Lancaster, York	2 hr

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	27
Tornado Warning	4
Severe Thunderstorm Watch	5
Tornado Watch	2
Mesoscale Discussion	21
Flooding
Flash Flood Warning	10

By county

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

26 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2002 2004

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.