Alert archive / Pennsylvania / Flash Flood Warnings / 2018

Flash Flood Warnings in Pennsylvania, September 2018

14 flash flood warnings in September 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 flash flood warnings reaches back to 1986.

Flash Flood Warnings by county

Each county as a circle sized by its count in September 2018. Tap one for its archive.

Flash Flood Warnings
14
Busiest day
September 18, 20184 flash flood 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
Sep 3, 3:02 PM EDTFlash Flood WarningPBZMercer116 min
Sep 3, 5:32 PM EDTFlash Flood WarningBGMBradford118 min
Sep 6, 3:49 PM EDTFlash Flood WarningPBZWashington87 min
Sep 7, 6:41 PM EDTFlash Flood WarningPHIDelaware, Philadelphia4 hr
Sep 10, 1:55 PM EDTFlash Flood WarningBGMBradford3 hr
Sep 18, 1:40 AM EDTFlash Flood WarningBGMBradford3 hr
Sep 18, 1:46 AM EDTFlash Flood WarningBGMBradford, Susquehanna3 hr
Sep 18, 2:20 AM EDTFlash Flood WarningCTPLancaster, York3 hr
Sep 18, 5:14 AM EDTFlash Flood WarningBGMLuzerne2 hr
Sep 21, 9:24 PM EDTFlash Flood WarningBGMBradford3 hr
Sep 25, 4:19 PM EDTFlash Flood WarningPHIBucks, Delaware, Montgomery, Philadelphia4 hr
Sep 25, 5:14 PM EDTFlash Flood WarningPHIBucks4 hr
Sep 25, 5:35 PM EDTFlash Flood WarningPHIBucks, Delaware, Philadelphia4 hr
Sep 26, 4:22 PM EDTFlash Flood WarningBGMBradford96 min

By county

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

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.