Alert archive / Pennsylvania / Mesoscale Discussions

Mesoscale Discussions in Pennsylvania, 2006

126 mesoscale discussions in 2006. 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 2006. Tap one for its archive.

Mesoscale Discussions
126
Busiest month
July31 mesoscale discussions
Busiest day
August 3, 20066 mesoscale discussions

Over time

By month

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
Jan 14, 2:19 AM ESTMesoscale DiscussionSPCChester, Delaware, Philadelphia86 min
Jan 15, 1:15 AM ESTMesoscale DiscussionSPCBucks, Delaware, Monroe, Montgomery, Northampton, Philadelphia and 2 more6 hr
Jan 17, 8:22 PM ESTMesoscale DiscussionSPCBradford, Lackawanna, Potter, Sullivan, Susquehanna, Tioga and 2 more4 hr
Jan 22, 7:57 PM ESTMesoscale DiscussionSPCAdams, Allegheny, Armstrong, Beaver, Bedford, Blair and 36 more6 hr
Jan 23, 1:47 AM ESTMesoscale DiscussionSPCBlair, Bradford, Cambria, Cameron, Centre, Clearfield and 11 more5 hr
Jan 24, 6:47 PM ESTMesoscale DiscussionSPCAllegheny, Armstrong, Bedford, Blair, Bradford, Butler and 33 more5 hr
Feb 4, 10:18 PM ESTMesoscale DiscussionSPCBucks, Chester, Delaware, Montgomery, Philadelphia87 min
Feb 11, 1:14 PM ESTMesoscale DiscussionSPCAdams, Franklin, Fulton, Lancaster, York5 hr
Feb 11, 7:56 PM ESTMesoscale DiscussionSPCAdams, Berks, Bucks, Carbon, Chester, Cumberland and 13 more6 hr
Feb 12, 1:51 AM ESTMesoscale DiscussionSPCBerks, Bucks, Carbon, Chester, Dauphin, Delaware and 10 more5 hr
Feb 12, 6:28 AM ESTMesoscale DiscussionSPCBucks, Chester, Delaware, Montgomery, Philadelphia4 hr
Mar 2, 12:20 AM ESTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 5 more6 hr
Mar 2, 5:04 AM ESTMesoscale DiscussionSPCAdams, Armstrong, Berks, Blair, Bucks, Butler and 46 more6 hr
Mar 2, 9:06 AM ESTMesoscale DiscussionSPCSusquehanna, Wayne6 hr
Mar 2, 3:03 PM ESTMesoscale DiscussionSPCBradford, Carbon, Columbia, Lackawanna, Luzerne, Lycoming and 8 more4 hr
Mar 13, 3:13 PM ESTMesoscale DiscussionSPCAdams, Allegheny, Armstrong, Beaver, Bedford, Blair and 45 more92 min
Mar 13, 7:09 PM ESTMesoscale DiscussionSPCBeaver, Lawrence, Mercer96 min
Apr 1, 6:39 AM ESTMesoscale DiscussionSPCSusquehanna3 hr
Apr 3, 10:24 AM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Bedford, Blair, Butler and 15 more66 min
Apr 3, 2:14 PM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Bedford, Blair, Butler and 27 more2 hr
Apr 12, 6:07 PM EDTMesoscale DiscussionSPCBeaver, Butler, Clarion, Crawford, Erie, Lawrence and 3 more53 min
Apr 13, 7:12 PM EDTMesoscale DiscussionSPCBradford, Susquehanna63 min
Apr 14, 5:54 PM EDTMesoscale DiscussionSPCAllegheny, Beaver, Greene, Lawrence, Washington66 min
Apr 14, 9:12 PM EDTMesoscale DiscussionSPCBedford, Fulton, Somerset93 min
Apr 15, 12:59 PM EDTMesoscale DiscussionSPCChester, Delaware, Lancaster, Montgomery, Philadelphia61 min
May 11, 10:23 AM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Bedford, Blair, Butler and 25 more2 hr
May 11, 5:46 PM EDTMesoscale DiscussionSPCAdams, Cumberland, Dauphin, Franklin, Fulton, Huntingdon and 8 more59 min
May 11, 9:45 PM EDTMesoscale DiscussionSPCChester, Delaware, Lancaster60 min
May 18, 10:33 AM EDTMesoscale DiscussionSPCBeaver, Greene, Washington87 min
May 18, 1:18 PM EDTMesoscale DiscussionSPCCarbon, Lackawanna, Monroe, Pike, Susquehanna, Wayne2 hr
May 25, 7:04 PM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 7 more86 min
May 26, 11:42 AM EDTMesoscale DiscussionSPCBedford2 hr
May 30, 1:21 PM EDTMesoscale DiscussionSPCPike, Wayne114 min
May 30, 6:19 PM EDTMesoscale DiscussionSPCLackawanna, Pike, Susquehanna, Wayne, Wyoming56 min
Jun 1, 11:53 AM EDTMesoscale DiscussionSPCBerks, Bucks, Carbon, Chester, Delaware, Lackawanna and 9 more2 hr
Jun 1, 3:03 PM EDTMesoscale DiscussionSPCChester, Lancaster87 min
Jun 9, 12:51 PM EDTMesoscale DiscussionSPCAdams, Berks, Bucks, Carbon, Centre, Chester and 24 more114 min
Jun 19, 2:42 PM EDTMesoscale DiscussionSPCLackawanna, Pike, Sullivan, Susquehanna, Wayne, Wyoming2 hr
Jun 19, 3:04 PM EDTMesoscale DiscussionSPCCrawford, Erie56 min
Jun 19, 4:27 PM EDTMesoscale DiscussionSPCBucks, Carbon, Chester, Delaware, Lehigh, Monroe and 4 more93 min
Jun 19, 6:29 PM EDTMesoscale DiscussionSPCArmstrong, Beaver, Butler, Clarion, Elk, Forest and 6 more91 min
Jun 19, 8:47 PM EDTMesoscale DiscussionSPCBucks, Delaware, Montgomery, Philadelphia88 min
Jun 22, 12:05 AM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 10 more85 min
Jun 22, 2:29 PM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Bedford, Blair, Butler and 21 more91 min
Jun 22, 4:12 PM EDTMesoscale DiscussionSPCAllegheny, Beaver, Butler, Crawford, Greene, Lawrence and 3 more93 min
Jun 22, 5:43 PM EDTMesoscale DiscussionSPCAdams, Allegheny, Armstrong, Beaver, Bedford, Berks and 56 more32 min
Jun 22, 8:38 PM EDTMesoscale DiscussionSPCCambria, Fayette, Greene, Somerset, Washington, Westmoreland67 min
Jun 22, 9:08 PM EDTMesoscale DiscussionSPCAdams, Bedford, Berks, Bradford, Bucks, Carbon and 26 more67 min
Jun 22, 11:49 PM EDTMesoscale DiscussionSPCBucks, Chester, Delaware, Lancaster, Lehigh, Montgomery and 3 more26 min
Jun 23, 1:31 PM EDTMesoscale DiscussionSPCBucks, Chester, Delaware, Lehigh, Monroe, Montgomery and 3 more119 min
Jun 24, 12:58 PM EDTMesoscale DiscussionSPCAdams, Berks, Bucks, Chester, Cumberland, Dauphin and 12 more92 min
Jun 25, 7:32 PM EDTMesoscale DiscussionSPCBerks, Chester, Lancaster, Lehigh3 hr
Jun 27, 6:35 PM EDTMesoscale DiscussionSPCBerks, Chester, Delaware, Lancaster, Montgomery, Philadelphia2 hr
Jun 28, 1:01 PM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Butler, Cameron, Clarion and 15 more119 min
Jun 29, 12:46 PM EDTMesoscale DiscussionSPCErie, Forest, McKean, Warren59 min
Jun 29, 3:21 PM EDTMesoscale DiscussionSPCBerks, Bucks, Chester, Delaware, Lancaster, Montgomery and 1 more54 min
Jun 29, 9:14 PM EDTMesoscale DiscussionSPCBerks, Bucks, Chester, Delaware, Lancaster, Lehigh and 5 more91 min
Jun 29, 10:21 PM EDTMesoscale DiscussionSPCBucks, Chester, Delaware, Montgomery, Philadelphia54 min
Jul 2, 11:19 AM EDTMesoscale DiscussionSPCLackawanna, Pike, Susquehanna, Wayne86 min
Jul 2, 3:28 PM EDTMesoscale DiscussionSPCArmstrong, Blair, Cambria, Centre, Clearfield, Clinton and 15 more92 min
Jul 2, 3:45 PM EDTMesoscale DiscussionSPCAdams, Bedford, Berks, Bucks, Carbon, Chester and 22 more60 min
Jul 2, 6:43 PM EDTMesoscale DiscussionSPCAdams, Bedford, Berks, Blair, Bradford, Bucks and 35 more92 min
Jul 3, 11:38 AM EDTMesoscale DiscussionSPCArmstrong, Berks, Blair, Bradford, Bucks, Butler and 40 more2 hr
Jul 3, 5:04 PM EDTMesoscale DiscussionSPCBradford, Lackawanna, Pike, Sullivan, Susquehanna, Wayne and 1 more86 min
Jul 4, 11:51 AM EDTMesoscale DiscussionSPCAdams, Bedford, Berks, Bucks, Carbon, Chester and 19 more114 min
Jul 4, 3:17 PM EDTMesoscale DiscussionSPCBucks, Chester, Delaware, Lehigh, Montgomery, Northampton and 1 more88 min
Jul 9, 12:36 PM EDTMesoscale DiscussionSPCAdams, Bedford, Berks, Blair, Bradford, Carbon and 30 more84 min
Jul 10, 10:42 AM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 10 more93 min
Jul 10, 3:48 PM EDTMesoscale DiscussionSPCBeaver57 min
Jul 11, 6:01 PM EDTMesoscale DiscussionSPCNorthampton89 min
Jul 12, 11:55 AM EDTMesoscale DiscussionSPCBerks, Bucks, Carbon, Chester, Columbia, Dauphin and 19 more95 min
Jul 12, 1:38 PM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Butler, Fayette, Greene and 3 more97 min
Jul 12, 1:56 PM EDTMesoscale DiscussionSPCAdams, Chester, Delaware, Philadelphia, York94 min
Jul 12, 4:49 PM EDTMesoscale DiscussionSPCBerks, Bucks, Carbon, Chester, Delaware, Lackawanna and 11 more56 min
Jul 12, 7:55 PM EDTMesoscale DiscussionSPCBerks, Bucks, Carbon, Chester, Lackawanna, Lancaster and 9 more65 min
Jul 18, 10:56 AM EDTMesoscale DiscussionSPCBlair, Bradford, Cambria, Centre, Clearfield, Clinton and 17 more94 min
Jul 18, 6:12 PM EDTMesoscale DiscussionSPCBucks, Chester, Delaware, Montgomery, Philadelphia93 min
Jul 18, 8:59 PM EDTMesoscale DiscussionSPCAdams, Berks, Bucks, Chester, Delaware, Franklin and 7 more91 min
Jul 20, 1:26 PM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 7 more3 hr
Jul 21, 2:18 PM EDTMesoscale DiscussionSPCBucks, Delaware, Philadelphia117 min
Jul 22, 10:09 AM EDTMesoscale DiscussionSPCBerks, Bucks, Carbon, Chester, Columbia, Delaware and 14 more96 min
Jul 22, 4:44 PM EDTMesoscale DiscussionSPCBerks, Bucks, Carbon, Chester, Delaware, Lancaster and 7 more91 min
Jul 22, 7:24 PM EDTMesoscale DiscussionSPCBucks, Delaware, Montgomery, Northampton, Philadelphia66 min
Jul 25, 2:25 PM EDTMesoscale DiscussionSPCMcKean, Warren2 hr
Jul 28, 11:53 AM EDTMesoscale DiscussionSPCBerks, Bucks, Carbon, Chester, Delaware, Lancaster and 9 more3 hr
Jul 29, 4:52 PM EDTMesoscale DiscussionSPCPike, Susquehanna, Wayne83 min
Jul 29, 8:54 PM EDTMesoscale DiscussionSPCBradford, Cameron, Lycoming, McKean, Potter, Sullivan and 3 more66 min
Jul 29, 11:41 PM EDTMesoscale DiscussionSPCCameron, Clarion, Clearfield, Crawford, Elk, Forest and 5 more94 min
Jul 30, 6:33 PM EDTMesoscale DiscussionSPCCrawford, Erie, Forest, Lawrence, Mercer, Venango and 1 more117 min
Aug 1, 1:06 PM EDTMesoscale DiscussionSPCMonroe, Pike114 min
Aug 3, 10:59 AM EDTMesoscale DiscussionSPCCameron, Clarion, Crawford, Elk, Erie, Forest and 8 more91 min
Aug 3, 1:27 PM EDTMesoscale DiscussionSPCMonroe, Pike, Wayne2 hr
Aug 3, 2:49 PM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Blair, Bradford, Butler and 36 more86 min
Aug 3, 4:06 PM EDTMesoscale DiscussionSPCCarbon, Lackawanna, Lehigh, Luzerne, Monroe, Northampton and 2 more84 min
Aug 3, 6:22 PM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Butler, Cambria, Clarion and 13 more83 min
Aug 3, 7:35 PM EDTMesoscale DiscussionSPCBerks, Bucks, Carbon, Lehigh, Monroe, Montgomery and 2 more55 min
Aug 3, 9:35 PM EDTMesoscale DiscussionSPCBerks, Bucks, Carbon, Lehigh, Monroe, Montgomery and 2 more25 min
Aug 6, 6:21 PM EDTMesoscale DiscussionSPCAllegheny, Beaver, Fayette, Greene, Washington84 min
Aug 7, 1:30 PM EDTMesoscale DiscussionSPCLawrence, Mercer3 hr
Aug 10, 4:32 PM EDTMesoscale DiscussionSPCPhiladelphia88 min
Aug 27, 3:11 PM EDTMesoscale DiscussionSPCBeaver, Greene, Washington2 hr
Aug 29, 1:31 PM EDTMesoscale DiscussionSPCBerks, Bucks, Carbon, Chester, Columbia, Cumberland and 18 more89 min
Aug 29, 6:25 PM EDTMesoscale DiscussionSPCBucks, Chester, Delaware, Montgomery, Philadelphia95 min
Sep 6, 1:31 PM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Blair, Butler, Cambria and 22 more119 min
Sep 9, 1:13 PM EDTMesoscale DiscussionSPCBradford, Cameron, Clinton, Columbia, Lackawanna, Luzerne and 10 more62 min
Sep 9, 2:50 PM EDTMesoscale DiscussionSPCLawrence, Mercer85 min
Sep 24, 11:13 AM EDTMesoscale DiscussionSPCBradford, Susquehanna, Wayne2 hr
Sep 24, 2:56 PM EDTMesoscale DiscussionSPCDelaware, Philadelphia2 hr
Sep 28, 2:21 PM EDTMesoscale DiscussionSPCAdams, Berks, Chester, Cumberland, Dauphin, Lancaster and 6 more54 min
Sep 28, 3:30 PM EDTMesoscale DiscussionSPCLackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming2 hr
Sep 28, 4:32 PM EDTMesoscale DiscussionSPCAdams, Berks, Carbon, Chester, Columbia, Cumberland and 11 more118 min
Sep 28, 6:36 PM EDTMesoscale DiscussionSPCBerks, Bucks, Carbon, Chester, Dauphin, Delaware and 8 more84 min
Oct 4, 7:03 AM EDTMesoscale DiscussionSPCCrawford, Erie, Warren87 min
Oct 4, 1:54 PM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Blair, Butler, Cambria and 12 more66 min
Oct 4, 5:55 PM EDTMesoscale DiscussionSPCBucks, Carbon, Chester, Delaware, Lehigh, Monroe and 3 more95 min
Oct 4, 7:34 PM EDTMesoscale DiscussionSPCFayette, Greene, Somerset86 min
Oct 20, 12:56 PM EDTMesoscale DiscussionSPCBucks2 hr
Nov 16, 10:16 AM ESTMesoscale DiscussionSPCAdams, Berks, Chester, Cumberland, Dauphin, Delaware and 7 more59 min
Nov 16, 1:24 PM ESTMesoscale DiscussionSPCBerks, Bradford, Carbon, Clinton, Columbia, Cumberland and 22 more2 hr
Nov 16, 3:11 PM ESTMesoscale DiscussionSPCBerks, Bucks, Chester, Delaware, Lancaster, Montgomery and 1 more94 min
Nov 23, 3:12 AM ESTMesoscale DiscussionSPCLackawanna, Wayne4 hr
Dec 1, 8:44 AM ESTMesoscale DiscussionSPCBeaver, Butler, Lawrence, Mercer, Venango61 min
Dec 1, 11:38 AM ESTMesoscale DiscussionSPCAdams, Armstrong, Bedford, Berks, Blair, Bradford and 50 more2 hr
Dec 1, 4:08 PM ESTMesoscale DiscussionSPCAdams, Berks, Bradford, Bucks, Carbon, Chester and 21 more2 hr
Dec 4, 8:03 PM ESTMesoscale DiscussionSPCErie5 hr
Dec 7, 8:04 AM ESTMesoscale DiscussionSPCCrawford, Erie4 hr

By county

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

27 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. August 3, 20066mesoscale discussions
  2. July 12, 20065mesoscale discussions
  3. March 2, 20064mesoscale discussions
  4. June 19, 20064mesoscale discussions
  5. June 22, 20064mesoscale discussions
  6. June 23, 20064mesoscale discussions
  7. July 2, 20064mesoscale discussions
  8. September 28, 20064mesoscale discussions
  9. October 4, 20064mesoscale discussions
  10. February 12, 20063mesoscale discussions
  11. July 22, 20063mesoscale discussions
  12. July 30, 20063mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive20052007

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.