Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2019

Severe Thunderstorm Warnings in Pennsylvania, August 2019

151 severe thunderstorm warnings in August 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 severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in August 2019. Tap one for its archive.

Severe Thunderstorm Warnings
151
Busiest day
August 18, 201935 severe thunderstorm warnings

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
Aug 1, 2:32 PM EDTSevere Thunderstorm WarningCTPLancaster43 min
Aug 1, 3:13 PM EDTSevere Thunderstorm WarningCTPLancaster62 min
Aug 1, 3:24 PM EDTSevere Thunderstorm WarningPHIChester66 min
Aug 1, 4:09 PM EDTSevere Thunderstorm WarningCTPLancaster36 min
Aug 2, 10:37 AM EDTSevere Thunderstorm WarningPBZIndiana, Jefferson38 min
Aug 2, 11:17 AM EDTSevere Thunderstorm WarningCTPClearfield58 min
Aug 2, 1:27 PM EDTSevere Thunderstorm WarningCTPClinton, Lycoming33 min
Aug 2, 2:45 PM EDTSevere Thunderstorm WarningPBZFayette30 min
Aug 2, 3:21 PM EDTSevere Thunderstorm WarningPBZWestmoreland39 min
Aug 2, 3:28 PM EDTSevere Thunderstorm WarningBGMLuzerne32 min
Aug 2, 3:46 PM EDTSevere Thunderstorm WarningPBZGreene, Washington29 min
Aug 2, 4:31 PM EDTSevere Thunderstorm WarningPBZAllegheny, Fayette, Washington, Westmoreland44 min
Aug 2, 5:01 PM EDTSevere Thunderstorm WarningCTPColumbia, Montour, Northumberland, Schuylkill59 min
Aug 2, 5:13 PM EDTSevere Thunderstorm WarningPBZWashington47 min
Aug 2, 6:33 PM EDTSevere Thunderstorm WarningPBZFayette27 min
Aug 5, 3:44 PM EDTSevere Thunderstorm WarningCLEErie25 min
Aug 6, 12:36 PM EDTSevere Thunderstorm WarningPHIMontgomery, Philadelphia39 min
Aug 6, 2:44 PM EDTSevere Thunderstorm WarningCLECrawford, Erie61 min
Aug 6, 3:37 PM EDTSevere Thunderstorm WarningCLEErie68 min
Aug 6, 4:04 PM EDTSevere Thunderstorm WarningPBZLawrence, Mercer41 min
Aug 6, 7:32 PM EDTSevere Thunderstorm WarningPHINorthampton43 min
Aug 7, 1:22 PM EDTSevere Thunderstorm WarningPHIBucks38 min
Aug 7, 1:26 PM EDTSevere Thunderstorm WarningPHIBucks49 min
Aug 7, 1:39 PM EDTSevere Thunderstorm WarningCTPLebanon36 min
Aug 7, 1:46 PM EDTSevere Thunderstorm WarningPHIBerks44 min
Aug 7, 3:18 PM EDTSevere Thunderstorm WarningPHIBucks42 min
Aug 7, 3:24 PM EDTSevere Thunderstorm WarningPHICarbon, Lehigh, Monroe, Northampton51 min
Aug 7, 3:54 PM EDTSevere Thunderstorm WarningPHIBucks, Northampton51 min
Aug 7, 4:09 PM EDTSevere Thunderstorm WarningPHIBucks, Delaware, Montgomery, Philadelphia66 min
Aug 7, 4:14 PM EDTSevere Thunderstorm WarningPHIBucks, Monroe, Northampton46 min
Aug 7, 4:27 PM EDTSevere Thunderstorm WarningPHIChester, Delaware, Montgomery, Philadelphia63 min
Aug 7, 5:16 PM EDTSevere Thunderstorm WarningPHIBucks, Delaware, Montgomery, Philadelphia59 min
Aug 7, 5:57 PM EDTSevere Thunderstorm WarningPHIBucks78 min
Aug 8, 2:02 PM EDTSevere Thunderstorm WarningCTPCentre, Clearfield43 min
Aug 8, 2:12 PM EDTSevere Thunderstorm WarningBGMBradford63 min
Aug 8, 2:34 PM EDTSevere Thunderstorm WarningCTPCentre, Clinton41 min
Aug 8, 2:56 PM EDTSevere Thunderstorm WarningBGMBradford, Susquehanna49 min
Aug 8, 3:42 PM EDTSevere Thunderstorm WarningBGMBradford, Susquehanna, Wayne63 min
Aug 8, 4:01 PM EDTSevere Thunderstorm WarningPBZAllegheny, Beaver, Washington44 min
Aug 8, 4:26 PM EDTSevere Thunderstorm WarningBGMLackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming49 min
Aug 8, 4:54 PM EDTSevere Thunderstorm WarningPBZAllegheny, Fayette, Washington, Westmoreland51 min
Aug 8, 5:11 PM EDTSevere Thunderstorm WarningBGMLackawanna, Luzerne, Pike, Wayne, Wyoming64 min
Aug 8, 5:31 PM EDTSevere Thunderstorm WarningPHIMonroe44 min
Aug 8, 5:41 PM EDTSevere Thunderstorm WarningPBZFayette, Westmoreland49 min
Aug 8, 5:46 PM EDTSevere Thunderstorm WarningPBZAllegheny, Fayette, Washington, Westmoreland26 min
Aug 15, 2:02 PM EDTSevere Thunderstorm WarningPBZMercer43 min
Aug 15, 2:27 PM EDTSevere Thunderstorm WarningPBZAllegheny, Armstrong, Westmoreland48 min
Aug 15, 2:36 PM EDTSevere Thunderstorm WarningPBZMercer, Venango27 min
Aug 15, 2:42 PM EDTSevere Thunderstorm WarningPBZAllegheny, Washington48 min
Aug 15, 2:58 PM EDTSevere Thunderstorm WarningPBZArmstrong, Indiana47 min
Aug 15, 2:59 PM EDTSevere Thunderstorm WarningPBZAllegheny46 min
Aug 15, 3:00 PM EDTSevere Thunderstorm WarningCTPBedford60 min
Aug 15, 3:37 PM EDTSevere Thunderstorm WarningPBZIndiana16 min
Aug 15, 3:38 PM EDTSevere Thunderstorm WarningPBZAllegheny, Indiana, Westmoreland31 min
Aug 15, 3:42 PM EDTSevere Thunderstorm WarningPHICarbon48 min
Aug 15, 3:43 PM EDTSevere Thunderstorm WarningPBZArmstrong47 min
Aug 15, 3:47 PM EDTSevere Thunderstorm WarningCTPLycoming58 min
Aug 15, 3:56 PM EDTSevere Thunderstorm WarningCTPClinton94 min
Aug 15, 4:03 PM EDTSevere Thunderstorm WarningCTPCentre, Clearfield57 min
Aug 15, 4:06 PM EDTSevere Thunderstorm WarningCTPBedford, Fulton27 min
Aug 15, 4:22 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe, Northampton53 min
Aug 15, 4:37 PM EDTSevere Thunderstorm WarningPBZWashington23 min
Aug 15, 5:00 PM EDTSevere Thunderstorm WarningPBZButler, Lawrence, Mercer32 min
Aug 15, 5:02 PM EDTSevere Thunderstorm WarningPBZIndiana27 min
Aug 15, 5:08 PM EDTSevere Thunderstorm WarningCTPLycoming67 min
Aug 15, 5:19 PM EDTSevere Thunderstorm WarningCTPCambria, Clearfield56 min
Aug 15, 5:22 PM EDTSevere Thunderstorm WarningCTPBlair, Huntingdon53 min
Aug 15, 5:28 PM EDTSevere Thunderstorm WarningCTPPotter, Tioga62 min
Aug 15, 5:53 PM EDTSevere Thunderstorm WarningCTPBlair, Cambria67 min
Aug 15, 6:16 PM EDTSevere Thunderstorm WarningCTPHuntingdon, Mifflin59 min
Aug 15, 6:18 PM EDTSevere Thunderstorm WarningPBZMercer27 min
Aug 15, 6:51 PM EDTSevere Thunderstorm WarningCTPMcKean, Potter54 min
Aug 15, 6:55 PM EDTSevere Thunderstorm WarningCTPHuntingdon, Juniata, Mifflin, Perry, Snyder65 min
Aug 15, 7:18 PM EDTSevere Thunderstorm WarningCTPHuntingdon72 min
Aug 15, 7:22 PM EDTSevere Thunderstorm WarningCLECrawford52 min
Aug 15, 7:27 PM EDTSevere Thunderstorm WarningBGMBradford63 min
Aug 15, 7:33 PM EDTSevere Thunderstorm WarningCTPPotter57 min
Aug 15, 7:38 PM EDTSevere Thunderstorm WarningCTPMcKean, Potter67 min
Aug 15, 7:59 PM EDTSevere Thunderstorm WarningCTPCumberland, Franklin, Huntingdon, Juniata, Perry61 min
Aug 15, 8:04 PM EDTSevere Thunderstorm WarningBGMBradford, Susquehanna56 min
Aug 15, 8:07 PM EDTSevere Thunderstorm WarningCLECrawford53 min
Aug 15, 9:01 PM EDTSevere Thunderstorm WarningCTPSullivan59 min
Aug 15, 9:13 PM EDTSevere Thunderstorm WarningCLEErie32 min
Aug 15, 9:13 PM EDTSevere Thunderstorm WarningCTPCumberland, Franklin62 min
Aug 15, 9:22 PM EDTSevere Thunderstorm WarningBGMBradford, Susquehanna53 min
Aug 15, 9:39 PM EDTSevere Thunderstorm WarningBGMLuzerne, Wyoming51 min
Aug 15, 10:03 PM EDTSevere Thunderstorm WarningCTPAdams, Cumberland, Dauphin, York57 min
Aug 15, 10:19 PM EDTSevere Thunderstorm WarningBGMLuzerne37 min
Aug 16, 3:48 PM EDTSevere Thunderstorm WarningBGMPike, Wayne57 min
Aug 17, 2:47 PM EDTSevere Thunderstorm WarningCTPWarren43 min
Aug 17, 3:04 PM EDTSevere Thunderstorm WarningCTPMcKean56 min
Aug 17, 3:27 PM EDTSevere Thunderstorm WarningPBZVenango48 min
Aug 17, 3:31 PM EDTSevere Thunderstorm WarningPBZMercer44 min
Aug 17, 3:59 PM EDTSevere Thunderstorm WarningCTPPotter, Tioga61 min
Aug 17, 4:05 PM EDTSevere Thunderstorm WarningCTPMcKean22 min
Aug 17, 4:11 PM EDTSevere Thunderstorm WarningPBZClarion, Forest, Venango49 min
Aug 17, 4:13 PM EDTSevere Thunderstorm WarningPBZMercer47 min
Aug 17, 4:41 PM EDTSevere Thunderstorm WarningBGMLackawanna, Wayne49 min
Aug 17, 4:57 PM EDTSevere Thunderstorm WarningPBZClarion, Forest, Jefferson48 min
Aug 17, 5:01 PM EDTSevere Thunderstorm WarningPBZArmstrong, Butler, Clarion, Venango44 min
Aug 17, 5:37 PM EDTSevere Thunderstorm WarningCTPTioga27 min
Aug 17, 5:46 PM EDTSevere Thunderstorm WarningCTPClearfield74 min
Aug 17, 6:02 PM EDTSevere Thunderstorm WarningBGMBradford43 min
Aug 17, 6:33 PM EDTSevere Thunderstorm WarningBGMBradford, Susquehanna42 min
Aug 17, 7:15 PM EDTSevere Thunderstorm WarningPBZAllegheny, Armstrong, Westmoreland30 min
Aug 17, 7:51 PM EDTSevere Thunderstorm WarningBGMLuzerne39 min
Aug 18, 7:27 AM EDTSevere Thunderstorm WarningCLECrawford, Erie63 min
Aug 18, 12:35 PM EDTSevere Thunderstorm WarningPBZArmstrong, Clarion, Jefferson27 min
Aug 18, 12:44 PM EDTSevere Thunderstorm WarningCTPCameron, Elk, McKean76 min
Aug 18, 1:36 PM EDTSevere Thunderstorm WarningCTPCameron, Clinton, Elk, Potter54 min
Aug 18, 2:02 PM EDTSevere Thunderstorm WarningCTPCameron, Clearfield, Clinton58 min
Aug 18, 2:02 PM EDTSevere Thunderstorm WarningPBZAllegheny, Fayette, Washington, Westmoreland43 min
Aug 18, 2:09 PM EDTSevere Thunderstorm WarningCTPTioga81 min
Aug 18, 2:13 PM EDTSevere Thunderstorm WarningPBZArmstrong, Clarion, Jefferson47 min
Aug 18, 2:17 PM EDTSevere Thunderstorm WarningPBZFayette, Westmoreland43 min
Aug 18, 2:21 PM EDTSevere Thunderstorm WarningPBZWashington39 min
Aug 18, 2:26 PM EDTSevere Thunderstorm WarningPBZWestmoreland49 min
Aug 18, 2:28 PM EDTSevere Thunderstorm WarningCTPCameron, Clinton, Potter62 min
Aug 18, 2:45 PM EDTSevere Thunderstorm WarningCTPCentre, Clinton, Lycoming60 min
Aug 18, 2:48 PM EDTSevere Thunderstorm WarningPBZIndiana, Jefferson28 min
Aug 18, 2:50 PM EDTSevere Thunderstorm WarningPBZIndiana, Westmoreland28 min
Aug 18, 3:00 PM EDTSevere Thunderstorm WarningPBZFayette, Greene45 min
Aug 18, 3:16 PM EDTSevere Thunderstorm WarningBGMBradford44 min
Aug 18, 3:34 PM EDTSevere Thunderstorm WarningCTPCentre56 min
Aug 18, 3:35 PM EDTSevere Thunderstorm WarningPBZIndiana, Jefferson13 min
Aug 18, 3:38 PM EDTSevere Thunderstorm WarningPBZFayette, Washington, Westmoreland18 min
Aug 18, 4:34 PM EDTSevere Thunderstorm WarningBGMSusquehanna, Wayne41 min
Aug 18, 4:34 PM EDTSevere Thunderstorm WarningPHIBerks, Montgomery41 min
Aug 18, 4:47 PM EDTSevere Thunderstorm WarningBGMLuzerne43 min
Aug 18, 5:06 PM EDTSevere Thunderstorm WarningCTPCentre, Huntingdon, Mifflin24 min
Aug 18, 5:25 PM EDTSevere Thunderstorm WarningCTPJuniata, Mifflin50 min
Aug 18, 5:30 PM EDTSevere Thunderstorm WarningPBZClarion, Forest, Jefferson, Venango45 min
Aug 18, 5:34 PM EDTSevere Thunderstorm WarningCLECrawford, Erie40 min
Aug 18, 5:36 PM EDTSevere Thunderstorm WarningPHIBucks39 min
Aug 18, 5:38 PM EDTSevere Thunderstorm WarningPBZMercer52 min
Aug 18, 5:38 PM EDTSevere Thunderstorm WarningPHIBucks, Lehigh, Northampton52 min
Aug 18, 6:01 PM EDTSevere Thunderstorm WarningCTPPerry44 min
Aug 18, 6:11 PM EDTSevere Thunderstorm WarningPBZClarion, Forest, Jefferson34 min
Aug 18, 6:30 PM EDTSevere Thunderstorm WarningCTPElk44 min
Aug 18, 6:40 PM EDTSevere Thunderstorm WarningPHIMonroe, Northampton54 min
Aug 18, 7:53 PM EDTSevere Thunderstorm WarningCTPLancaster, Lebanon55 min
Aug 19, 1:39 AM EDTSevere Thunderstorm WarningPBZMercer, Venango36 min
Aug 19, 3:56 PM EDTSevere Thunderstorm WarningPHIPhiladelphia37 min
Aug 20, 5:33 PM EDTSevere Thunderstorm WarningPBZBeaver, Lawrence26 min
Aug 20, 6:32 PM EDTSevere Thunderstorm WarningCTPDauphin, York43 min
Aug 20, 10:18 PM EDTSevere Thunderstorm WarningPBZFayette, Greene42 min
Aug 21, 3:08 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Montgomery34 min
Aug 21, 4:07 PM EDTSevere Thunderstorm WarningPHIChester, Montgomery38 min
Aug 22, 4:27 PM EDTSevere Thunderstorm WarningCTPBlair, Cambria, Huntingdon63 min
Aug 22, 6:01 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe, Northampton44 min
Aug 22, 6:43 PM EDTSevere Thunderstorm WarningPHIMonroe, Northampton47 min

By county

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

25 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.