Alert archive / Pennsylvania / Frost Advisories

Frost Advisories in Pennsylvania, 2009

42 frost advisories in 2009. 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 frost advisories reaches back to 2005.

Frost Advisories by county

Each county as a circle sized by its count in 2009. Tap one for its archive.

Frost Advisories: 42
Busiest month: May18 frost advisories
Busiest day: May 11, 20094 frost 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
Apr 16, 3:01 PM EDT	Frost Advisory	PHI	Delaware	17 hr
Apr 16, 3:06 PM EDT	Frost Advisory	CTP	Adams, Franklin, Lancaster, York	18 hr
Apr 23, 2:57 AM EDT	Frost Advisory	CTP	Adams, Franklin, Lancaster, York	29 hr
Apr 23, 4:00 AM EDT	Frost Advisory	PHI	Delaware	28 hr
May 10, 2:37 AM EDT	Frost Advisory	CTP	Centre, Clinton, Lycoming, Sullivan, Tioga	29 hr
May 10, 3:19 AM EDT	Frost Advisory	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	29 hr
May 11, 11:39 AM EDT	Frost Advisory	BGM	Bradford, Susquehanna, Wayne	21 hr
May 11, 2:59 PM EDT	Frost Advisory	CTP	Lycoming, Sullivan, Tioga	18 hr
May 11, 3:21 PM EDT	Frost Advisory	CLE	Crawford, Erie	17 hr
May 11, 3:28 PM EDT	Frost Advisory	PBZ	Allegheny, Armstrong, Beaver, Butler, Lawrence, Washington	17 hr
May 12, 2:34 AM EDT	Frost Advisory	PHI	Carbon, Monroe	30 hr
May 12, 3:55 AM EDT	Frost Advisory	CTP	Centre, Clinton, Lycoming, Schuylkill, Sullivan, Tioga	29 hr
May 12, 11:32 AM EDT	Frost Advisory	BGM	Bradford, Susquehanna, Wayne, Wyoming	21 hr
May 17, 3:09 AM EDT	Frost Advisory	CLE	Erie	29 hr
May 17, 3:20 AM EDT	Frost Advisory	CTP	Bedford, Blair, Centre, Clinton, Columbia, Cumberland and 14 more	30 hr
May 18, 4:27 AM EDT	Frost Advisory	PHI	Berks, Lehigh, Northampton	28 hr
May 18, 3:02 PM EDT	Frost Advisory	CLE	Crawford, Erie	17 hr
May 18, 3:04 PM EDT	Frost Advisory	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Greene and 4 more	17 hr
May 18, 3:28 PM EDT	Frost Advisory	CTP	Adams, Bedford, Blair, Cambria, Centre, Clinton and 19 more	17 hr
May 31, 3:18 AM EDT	Frost Advisory	BGM	Bradford, Susquehanna, Wayne, Wyoming	29 hr
May 31, 5:50 AM EDT	Frost Advisory	CTP	Cameron, Centre, Clearfield, Clinton, Elk, Lycoming and 5 more	26 hr
May 31, 1:55 PM EDT	Frost Advisory	PHI	Carbon, Monroe	17 hr
Sep 19, 3:59 AM EDT	Frost Advisory	BGM	Bradford, Lackawanna, Susquehanna, Wayne, Wyoming	29 hr
Sep 19, 3:19 PM EDT	Frost Advisory	CTP	Lycoming, McKean, Potter, Sullivan, Tioga	18 hr
Sep 19, 3:27 PM EDT	Frost Advisory	PHI	Carbon, Monroe	17 hr
Sep 30, 2:11 PM EDT	Frost Advisory	CTP	Cambria, Cameron, Clearfield, Elk, Lycoming, McKean and 5 more	14 hr
Sep 30, 3:27 PM EDT	Frost Advisory	PBZ	Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 6 more	18 hr
Oct 1, 3:03 PM EDT	Frost Advisory	BGM	Bradford	18 hr
Oct 1, 3:05 PM EDT	Frost Advisory	CTP	Cameron, Clinton, Elk, Lycoming, McKean, Potter and 2 more	16 hr
Oct 10, 2:57 AM EDT	Frost Advisory	PHI	Carbon, Monroe	29 hr
Oct 10, 3:15 AM EDT	Frost Advisory	BGM	Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more	29 hr
Oct 10, 3:49 AM EDT	Frost Advisory	CTP	Cameron, Clearfield, Elk, Lycoming, McKean, Sullivan and 2 more	29 hr
Oct 11, 2:33 AM EDT	Frost Advisory	PHI	Berks, Lehigh, Northampton	29 hr
Oct 11, 2:18 PM EDT	Frost Advisory	PBZ	Allegheny, Armstrong, Beaver, Butler, Lawrence, Mercer	16 hr
Oct 11, 2:51 PM EDT	Frost Advisory	CTP	Bedford, Blair, Cambria, Centre, Clinton, Huntingdon and 8 more	17 hr
Oct 13, 3:24 AM EDT	Frost Advisory	PBZ	Allegheny, Armstrong, Beaver, Butler, Greene, Lawrence and 1 more	30 hr
Oct 13, 3:28 AM EDT	Frost Advisory	CTP	Adams, Bedford, Blair, Centre, Clinton, Cumberland and 16 more	30 hr
Oct 13, 4:30 AM EDT	Frost Advisory	PHI	Berks, Carbon, Lehigh, Northampton	24 hr
Oct 18, 2:04 PM EDT	Frost Advisory	PHI	Delaware, Philadelphia	19 hr
Oct 19, 1:12 PM EDT	Frost Advisory	PHI	Berks, Delaware, Lehigh, Northampton, Philadelphia	18 hr
Oct 19, 2:30 PM EDT	Frost Advisory	CTP	Adams, Dauphin, Lancaster, Lebanon, York	18 hr
Nov 3, 2:09 AM EST	Frost Advisory	PHI	Delaware, Philadelphia	30 hr

By county

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

21 more counties

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record The radar archive 2008 2010

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.