Alert archive / Pennsylvania / Mesoscale Discussions / 2011

Mesoscale Discussions in Pennsylvania, June 2011

27 mesoscale discussions in June 2011. 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 mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in June 2011. Tap one for its archive.

Mesoscale Discussions
27
Busiest day
June 9, 20118 mesoscale discussions

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.

IssuedProductOfficeCountiesLasted
Jun 1, 5:58 AM EDTMesoscale DiscussionSPCSusquehanna2 hr
Jun 1, 9:38 AM EDTMesoscale DiscussionSPCBradford, Cameron, McKean, Potter, Tioga37 min
Jun 4, 8:58 PM EDTMesoscale DiscussionSPCAllegheny, Beaver, Fayette, Greene, Washington2 hr
Jun 7, 5:29 AM EDTMesoscale DiscussionSPCCrawford, Erie, Lawrence, Mercer, Venango3 hr
Jun 7, 8:22 AM EDTMesoscale DiscussionSPCBeaver, Butler, Crawford, Erie, Lawrence, Mercer and 1 more113 min
Jun 7, 10:32 AM EDTMesoscale DiscussionSPCGreene88 min
Jun 8, 7:45 PM EDTMesoscale DiscussionSPCSusquehanna, Wayne90 min
Jun 9, 3:29 AM EDTMesoscale DiscussionSPCCameron, Crawford, Elk, Erie, Forest, McKean and 5 more2 hr
Jun 9, 8:13 AM EDTMesoscale DiscussionSPCClarion, Crawford, Elk, Erie, Forest, Lawrence and 6 more2 hr
Jun 9, 10:36 AM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Blair, Bradford, Butler and 31 more84 min
Jun 9, 11:33 AM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Bedford, Blair, Bradford, Butler and 37 more57 min
Jun 9, 1:45 PM EDTMesoscale DiscussionSPCBerks, Bucks, Chester, Delaware, Lancaster, Lebanon and 6 more90 min
Jun 9, 3:18 PM EDTMesoscale DiscussionSPCBradford, Carbon, Columbia, Lackawanna, Luzerne, Monroe and 7 more87 min
Jun 9, 6:17 PM EDTMesoscale DiscussionSPCAdams, Bedford, Blair, Cambria, Cumberland, Fayette and 8 more58 min
Jun 9, 7:17 PM EDTMesoscale DiscussionSPCBerks, Bucks, Carbon, Chester, Columbia, Delaware and 13 more58 min
Jun 10, 5:28 PM EDTMesoscale DiscussionSPCAdams, Bedford, Berks, Blair, Bucks, Carbon and 24 more92 min
Jun 12, 12:03 PM EDTMesoscale DiscussionSPCAdams, Bedford, Cumberland, Franklin, Fulton, Huntingdon and 4 more87 min
Jun 16, 6:01 PM EDTMesoscale DiscussionSPCAdams, Allegheny, Armstrong, Beaver, Bedford, Blair and 40 more89 min
Jun 22, 2:03 PM EDTMesoscale DiscussionSPCAdams, Berks, Bradford, Carbon, Chester, Columbia and 24 more117 min
Jun 22, 5:40 PM EDTMesoscale DiscussionSPCBucks95 min
Jun 23, 10:04 AM EDTMesoscale DiscussionSPCBucks, Chester, Delaware, Montgomery, Philadelphia116 min
Jun 23, 12:33 PM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 9 more117 min
Jun 23, 3:27 PM EDTMesoscale DiscussionSPCArmstrong, Blair, Bradford, Butler, Cambria, Cameron and 28 more2 hr
Jun 24, 11:42 AM EDTMesoscale DiscussionSPCBerks, Bradford, Bucks, Carbon, Chester, Columbia and 27 more3 hr
Jun 24, 4:13 PM EDTMesoscale DiscussionSPCBucks, Chester, Delaware, Montgomery, Northampton, Philadelphia and 1 more92 min
Jun 28, 1:19 PM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Bedford, Blair, Bradford and 36 more86 min
Jun 28, 6:42 PM EDTMesoscale DiscussionSPCBradford, Columbia, Lackawanna, Luzerne, Lycoming, Montour and 5 more93 min

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 nowTornadoes on recordThe radar archive20102012

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.