Weather alerts in Armstrong County, Pennsylvania

3,367 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Armstrong County and its neighbors

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

Alerts: 3,367
Warnings: 1,207
Watches: 473
Advisories: 558
Busiest year: 2026211 alerts
Average year: 82over 41 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.

Product	Alerts
Severe storms
Severe Thunderstorm Warning	777
Tornado Warning	35
Severe Thunderstorm Watch	249
Tornado Watch	40
Mesoscale Discussion	651
Special Weather Statement	478
Flooding
Areal Flood Warning	61
Flash Flood Warning	164
River Flood Warning	15
Flash Flood Watch	43
Flood Watch	53
River Flood Watch	2
Areal Flood Advisory	97
River Flood Advisory	3
Winter
Heavy Snow Warning	1
Ice Storm Warning	2
Snow Squall Warning	45
Winter Storm Warning	29
Winter Storm Watch	35
Freezing Rain Advisory	13
Lake Effect Snow Advisory	2
Snow Advisory	7
Snow and Blowing Snow Advisory	2
Winter Weather Advisory	178
Heat
Excessive Heat Warning	1
Extreme Heat Warning	1
Excessive Heat Watch	2
Extreme Heat Watch	1
Heat Advisory	20
Cold
Extreme Cold Warning	3
Freeze Warning	52
Wind Chill Warning	6
Extreme Cold Watch	3
Freeze Watch	30
Wind Chill Watch	4
Cold Weather Advisory	10
Frost Advisory	51
Wind Chill Advisory	38
Wind and dust
High Wind Warning	10
High Wind Watch	9
Wind Advisory	77
Fire
Red Flag Warning	5
Fire Weather Watch	2
Fog and smoke
Dense Fog Advisory	59
Freezing Fog Advisory	1

The latest warnings

The most recent on file, newest first.

Issued	Product	Office	Lasted
Sep 12, 9:19 PM EDT	Flash Flood Warning	PBZ	116 min
Sep 12, 7:48 PM EDT	Areal Flood Warning	PBZ	3 hr
Sep 12, 4:55 PM EDT	Flash Flood Warning	PBZ	3 hr
Sep 12, 4:48 PM EDT	Severe Thunderstorm Warning	PBZ	72 min
Sep 12, 4:20 PM EDT	Severe Thunderstorm Warning	PBZ	55 min
Sep 3, 6:38 PM EDT	Flash Flood Warning	PBZ	6 hr
Sep 3, 6:34 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PBZ	41 min
Sep 3, 6:11 PM EDT	Flash Flood Warning	PBZ	6 hr
Sep 3, 5:47 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PBZ	58 min
Sep 3, 5:12 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PBZ	48 min
Sep 3, 7:20 AM EDT	Severe Thunderstorm Warning	PBZ	40 min
Sep 3, 6:29 AM EDT	Severe Thunderstorm Warning	PBZ	46 min

Nearby

Alerts in force now Tornadoes on record Forecast The 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.