Alert archive / Pennsylvania / Mesoscale Discussions / 2017

Mesoscale Discussions in Pennsylvania, June 2017

19 mesoscale discussions in June 2017. 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 2017. Tap one for its archive.

Mesoscale Discussions
19
Busiest day
June 18, 20173 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 5, 12:32 PM EDTMesoscale DiscussionSPCBradford, Lackawanna, Sullivan, Susquehanna, Tioga, Wayne and 1 more2 hr
Jun 5, 3:00 PM EDTMesoscale DiscussionSPCAllegheny, Beaver, Butler, Fayette, Greene, Lawrence and 2 more3 hr
Jun 13, 12:18 PM EDTMesoscale DiscussionSPCFayette, Greene, Washington2 hr
Jun 14, 2:20 PM EDTMesoscale DiscussionSPCAllegheny, Beaver, Butler, Fayette, Greene, Lawrence and 3 more2 hr
Jun 15, 4:01 PM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Butler, Clarion, Elk, Fayette and 8 more119 min
Jun 18, 12:31 PM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Butler, Cambria, Cameron and 19 more119 min
Jun 18, 3:31 PM EDTMesoscale DiscussionSPCBedford, Blair, Bradford, Cambria, Centre, Clinton and 14 more2 hr
Jun 18, 4:30 PM EDTMesoscale DiscussionSPCAllegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 9 more90 min
Jun 19, 10:45 AM EDTMesoscale DiscussionSPCAdams, Berks, Carbon, Chester, Columbia, Cumberland and 21 more3 hr
Jun 19, 2:21 PM EDTMesoscale DiscussionSPCBucks, Chester, Delaware, Montgomery, Philadelphia114 min
Jun 21, 2:38 PM EDTMesoscale DiscussionSPCAdams, Bedford, Berks, Blair, Bucks, Cambria and 26 more3 hr
Jun 22, 1:18 PM EDTMesoscale DiscussionSPCArmstrong, Beaver, Blair, Bradford, Butler, Cambria and 25 more2 hr
Jun 23, 1:15 PM EDTMesoscale DiscussionSPCAllegheny, Beaver, Greene, Lawrence, Washington2 hr
Jun 23, 3:35 PM EDTMesoscale DiscussionSPCBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 6 more115 min
Jun 23, 4:53 PM EDTMesoscale DiscussionSPCAdams, Bedford, Cumberland, Dauphin, Fayette, Franklin and 8 more2 hr
Jun 23, 8:25 PM EDTMesoscale DiscussionSPCAdams, Berks, Bucks, Chester, Cumberland, Delaware and 9 more65 min
Jun 30, 12:48 PM EDTMesoscale DiscussionSPCBradford, Lackawanna, Luzerne, Pike, Sullivan, Susquehanna and 2 more2 hr
Jun 30, 4:20 PM EDTMesoscale DiscussionSPCSusquehanna, Wayne115 min
Jun 30, 7:06 PM EDTMesoscale DiscussionSPCLackawanna, Susquehanna, Wayne, Wyoming54 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 archive20162018

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.