Alert archive / Pennsylvania / Mesoscale Discussions / 2018
Mesoscale Discussions in Pennsylvania, June 2018
10 mesoscale discussions in June 2018. 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 2018. Tap one for its archive.
- Mesoscale Discussions
- 10
- Busiest day
- June 13, 20183 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 3:05 PM EDT | Mesoscale Discussion | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Berks and 35 more | 2 hr |
| Jun 13, 3:30 PM EDT | Mesoscale Discussion | SPC | Elk, Forest, McKean, Potter, Tioga, Warren | 60 min |
| Jun 13, 6:10 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 31 more | 95 min |
| Jun 13, 7:12 PM EDT | Mesoscale Discussion | SPC | Bradford, Lackawanna, McKean, Potter, Sullivan, Susquehanna and 4 more | 93 min |
| Jun 13, 8:43 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 32 more | 62 min |
| Jun 13, 10:46 PM EDT | Mesoscale Discussion | SPC | Bucks, Carbon, Lehigh, Northampton | 59 min |
| Jun 18, 5:55 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Carbon, Lehigh, Monroe, Northampton and 2 more | 2 hr |
| Jun 20, 3:23 PM EDT | Mesoscale Discussion | SPC | Fayette, Greene, Somerset | 2 hr |
| Jun 24, 6:16 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lancaster and 10 more | 119 min |
| Jun 27, 7:37 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Blair, Cambria, Cameron, Centre and 19 more | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Somerset County5
- Bedford County4
- Blair County4
- Bucks County4
- Cambria County4
- Centre County4
- Clearfield County4
- Fayette County4
- Franklin County4
- Fulton County4
- Greene County4
- Huntingdon County4
- Indiana County4
- Jefferson County4
- Juniata County4
- Lehigh County4
- Mifflin County4
- Perry County4
- Snyder County4
- Union County4
- Allegheny County3
- Armstrong County3
- Beaver County3
- Berks County3
- Butler County3
- Clarion County3
- Cumberland County3
- Dauphin County3
- Lancaster County3
- Lawrence County3
- Lebanon County3
- Northumberland County3
- Schuylkill County3
- Washington County3
- Westmoreland County3
- York County3
- Elk County3
- Forest County3
- McKean County3
- Potter County3
24 more counties
- Tioga County3
- Warren County3
- Cameron County3
- Clinton County3
- Carbon County3
- Northampton County3
- Adams County2
- Chester County2
- Delaware County2
- Montgomery County2
- Philadelphia County2
- Lycoming County2
- Venango County2
- Sullivan County2
- Wayne County2
- Monroe County2
- Pike County2
- Mercer County1
- Bradford County1
- Lackawanna County1
- Susquehanna County1
- Wyoming County1
- Columbia County1
- Montour County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.