Alert archive / Pennsylvania

Weather alerts in Blair County, Pennsylvania

3,137 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Blair County and its neighbors

Each county as a circle sized by its count since 1986. Tap one for its archive.

Alerts
3,137
Warnings
773
Watches
508
Advisories
714
Busiest year
2011196 alerts
Average year
78over 40 years on file

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

By month of the year

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

The latest warnings

The most recent on file, newest first.

IssuedProductOfficeLasted
Sep 3, 7:54 PM EDTTornado WarningCTP36 min
Sep 3, 7:42 PM EDTSevere Thunderstorm Warning Considerable damage threatCTP48 min
Sep 2, 11:02 AM EDTSevere Thunderstorm WarningCTP43 min
Sep 2, 10:33 AM EDTSevere Thunderstorm WarningCTP42 min
Sep 2, 10:20 AM EDTSevere Thunderstorm WarningCTP40 min
Sep 2, 9:41 AM EDTSevere Thunderstorm WarningCTP49 min
Aug 22, 7:55 PM EDTSevere Thunderstorm WarningCTP50 min
Aug 22, 7:52 PM EDTFlash Flood WarningCTP3 hr
Aug 22, 7:36 PM EDTSevere Thunderstorm WarningCTP39 min
Aug 22, 7:32 PM EDTSevere Thunderstorm WarningCTP28 min
Aug 22, 6:54 PM EDTSevere Thunderstorm WarningCTP36 min
Aug 20, 5:54 PM EDTRiver Flood WarningCTP3 hr

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive

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. Rebuilt daily.