Alert archive / Pennsylvania / Heat Advisories
Heat Advisories in Pennsylvania, 2019
10 heat advisories in 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 heat advisories reaches back to 2005.
Heat Advisories by county
Each county as a circle sized by its count in 2019. Tap one for its archive.
- Heat Advisories
- 10
- Busiest month
- July8 heat advisories
- Busiest day
- July 18, 20193 heat advisories
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 3:27 AM EDT | Heat Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 11 hr |
| Jul 16, 2:44 PM EDT | Heat Advisory | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 29 hr |
| Jul 17, 9:18 AM EDT | Heat Advisory | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, York | 10 hr |
| Jul 18, 3:02 PM EDT | Heat Advisory | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 53 hr |
| Jul 18, 3:26 PM EDT | Heat Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 53 hr |
| Jul 18, 4:24 PM EDT | Heat Advisory | CLE | Crawford, Erie | 52 hr |
| Jul 20, 4:22 AM EDT | Heat Advisory | CTP | Bedford, Blair, Centre, Clinton, Fulton, Huntingdon and 1 more | 40 hr |
| Jul 21, 3:09 PM EDT | Heat Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 27 hr |
| Aug 18, 3:32 AM EDT | Heat Advisory | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more | 4 days |
| Aug 19, 9:54 AM EDT | Heat Advisory | CTP | Lancaster, York | 8 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bucks County4
- Chester County4
- Montgomery County4
- Delaware County3
- Philadelphia County3
- Lancaster County3
- York County3
- Berks County2
- Lehigh County2
- Northampton County2
- Adams County2
- Cumberland County2
- Dauphin County2
- Lebanon County2
- Bedford County2
- Blair County2
- Centre County2
- Clinton County2
- Fulton County2
- Huntingdon County2
- Mifflin County2
- Cambria County1
- Cameron County1
- Clearfield County1
- Columbia County1
- Elk County1
- Franklin County1
- Juniata County1
- Lycoming County1
- McKean County1
- Montour County1
- Northumberland County1
- Perry County1
- Potter County1
- Schuylkill County1
- Snyder County1
- Somerset County1
- Sullivan County1
- Tioga County1
- Union County1
The busiest days
Days with the most alerts issued, by UTC date.
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.