Alert archive / Pennsylvania / Mesoscale Discussions / 2019

Mesoscale Discussions in Pennsylvania, May 2019

26 mesoscale discussions in May 2019. 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 2019. Tap one for its archive.

Mesoscale Discussions
26
Busiest day
May 23, 20194 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 3, 4:45 PM EDTMesoscale DiscussionSPCAdams, Bedford, Fayette, Franklin, Fulton, Greene and 1 more60 min
May 3, 6:27 PM EDTMesoscale DiscussionSPCAdams, Bedford, Cumberland, Dauphin, Franklin, Fulton and 8 more63 min
May 3, 8:29 PM EDTMesoscale DiscussionSPCAdams, York61 min
May 19, 1:27 PM EDTMesoscale DiscussionSPCAdams, Bedford, Berks, Blair, Bradford, Cambria and 36 more2 hr
May 19, 4:41 PM EDTMesoscale DiscussionSPCAdams, Berks, Carbon, Chester, Columbia, Cumberland and 23 more94 min
May 19, 6:55 PM EDTMesoscale DiscussionSPCBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 5 more95 min
May 23, 8:53 AM EDTMesoscale DiscussionSPCBeaver, Butler, Clarion, Crawford, Erie, Forest and 4 more2 hr
May 23, 11:52 AM EDTMesoscale DiscussionSPCAdams, Bedford, Blair, Cambria, Centre, Clinton and 18 more83 min
May 23, 5:44 PM EDTMesoscale DiscussionSPCFayette, Greene, Washington61 min
May 23, 7:10 PM EDTMesoscale DiscussionSPCBradford, Cameron, Carbon, Centre, Clarion, Clearfield and 27 more65 min
May 23, 8:02 PM EDTMesoscale DiscussionSPCFayette, Greene, Washington118 min
May 23, 9:24 PM EDTMesoscale DiscussionSPCAdams, Armstrong, Bedford, Berks, Blair, Bradford and 34 more2 hr
May 25, 12:53 PM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Bedford, Blair, Butler and 21 more2 hr
May 25, 8:16 PM EDTMesoscale DiscussionSPCBedford, Blair, Cambria, Cameron, Centre, Clearfield and 16 more59 min
May 26, 11:14 AM EDTMesoscale DiscussionSPCAdams, Berks, Blair, Bucks, Carbon, Centre and 23 more3 hr
May 26, 1:45 PM EDTMesoscale DiscussionSPCAdams, Franklin, Fulton, York2 hr
May 26, 5:45 PM EDTMesoscale DiscussionSPCAdams, Chester, Delaware, Lancaster, York2 hr
May 28, 1:02 PM EDTMesoscale DiscussionSPCAdams, Allegheny, Armstrong, Beaver, Bedford, Berks and 58 more118 min
May 28, 3:24 PM EDTMesoscale DiscussionSPCCrawford, Lawrence, Mercer2 hr
May 28, 4:43 PM EDTMesoscale DiscussionSPCAdams, Allegheny, Armstrong, Beaver, Bedford, Berks and 59 more2 hr
May 28, 8:07 PM EDTMesoscale DiscussionSPCAdams, Allegheny, Armstrong, Beaver, Bedford, Berks and 56 more113 min
May 29, 12:06 PM EDTMesoscale DiscussionSPCAdams, Allegheny, Armstrong, Beaver, Bedford, Berks and 50 more84 min
May 29, 3:17 PM EDTMesoscale DiscussionSPCAllegheny, Fayette, Greene, Somerset, Washington, Westmoreland118 min
May 29, 3:47 PM EDTMesoscale DiscussionSPCAdams, Bedford, Berks, Blair, Bucks, Carbon and 30 more118 min
May 30, 12:15 PM EDTMesoscale DiscussionSPCAdams, Berks, Bucks, Chester, Cumberland, Dauphin and 15 more2 hr
May 30, 3:56 PM EDTMesoscale DiscussionSPCBerks, Bucks, Chester, Dauphin, Delaware, Lancaster and 7 more64 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 archive20182020

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.