Alert archive / Pennsylvania / Mesoscale Discussions / 2022

Mesoscale Discussions in Pennsylvania, May 2022

20 mesoscale discussions in May 2022. 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 May 2022. Tap one for its archive.

Mesoscale Discussions
20
Busiest day
May 16, 20225 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
May 1, 3:09 PM EDTMesoscale DiscussionSPCBeaver, Lawrence, Washington2 hr
May 15, 3:05 PM EDTMesoscale DiscussionSPCAdams, Bradford, Centre, Clinton, Columbia, Cumberland and 21 more85 min
May 16, 9:44 AM EDTMesoscale DiscussionSPCAdams, Bedford, Blair, Cambria, Cameron, Centre and 16 more91 min
May 16, 11:22 AM EDTMesoscale DiscussionSPCBradford, Clinton, Columbia, Cumberland, Dauphin, Juniata and 13 more83 min
May 16, 12:01 PM EDTMesoscale DiscussionSPCBucks, Chester, Delaware, Montgomery, Northampton, Philadelphia119 min
May 16, 2:43 PM EDTMesoscale DiscussionSPCBerks, Carbon, Lehigh, Monroe, Northampton, Pike and 1 more92 min
May 16, 6:23 PM EDTMesoscale DiscussionSPCCrawford, Erie, Lawrence, Mercer, Venango67 min
May 20, 10:39 AM EDTMesoscale DiscussionSPCAdams, Bedford, Blair, Cambria, Cameron, Centre and 25 more96 min
May 20, 1:49 PM EDTMesoscale DiscussionSPCAdams, Berks, Bucks, Carbon, Chester, Columbia and 20 more86 min
May 20, 3:20 PM EDTMesoscale DiscussionSPCPike, Wayne85 min
May 20, 3:36 PM EDTMesoscale DiscussionSPCBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 5 more84 min
May 21, 2:16 PM EDTMesoscale DiscussionSPCCrawford, Erie, Forest, McKean, Mercer, Venango and 1 more2 hr
May 21, 4:30 PM EDTMesoscale DiscussionSPCBeaver, Butler, Crawford, Erie, Lawrence, Mercer90 min
May 21, 5:51 PM EDTMesoscale DiscussionSPCMcKean, Potter, Warren114 min
May 22, 12:20 PM EDTMesoscale DiscussionSPCAdams, Bedford, Berks, Blair, Bradford, Bucks and 35 more2 hr
May 22, 4:15 PM EDTMesoscale DiscussionSPCAdams, Berks, Bucks, Carbon, Chester, Columbia and 23 more90 min
May 22, 6:32 PM EDTMesoscale DiscussionSPCBucks, Chester, Delaware, Montgomery, Philadelphia118 min
May 27, 11:55 AM EDTMesoscale DiscussionSPCBerks, Bucks, Carbon, Chester, Dauphin, Delaware and 8 more95 min
May 27, 3:16 PM EDTMesoscale DiscussionSPCBucks, Delaware, Lehigh, Monroe, Montgomery, Northampton and 1 more89 min
May 27, 8:29 PM EDTMesoscale DiscussionSPCChester, Delaware, Philadelphia91 min

By county

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

20 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20212023

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.