Weather alerts in Pennsylvania, 2008

1,507 weather alerts in 2008, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in 2008. Tap one for its archive.

Alerts: 1,507
Warnings: 769
Watches: 152
Advisories: 443
Busiest month: June349 alerts
Busiest day: June 16, 200861 alerts

Over time

By month

The alerts

1,507 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.

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	531
Tornado Warning	12
Severe Thunderstorm Watch	33
Tornado Watch	8
Mesoscale Discussion	140
Flooding
Areal Flood Warning	22
Flash Flood Warning	45
River Flood Warning	65
Flash Flood Watch	2
Flood Watch	32
River Flood Watch	14
Areal Flood Advisory	148
River Flood Advisory	11
Winter
Heavy Snow Warning	2
Ice Storm Warning	5
Lake Effect Snow Warning	20
Winter Storm Warning	33
Lake Effect Snow Watch	15
Winter Storm Watch	35
Freezing Rain Advisory	14
Lake Effect Snow Advisory	20
Snow Advisory	14
Snow and Blowing Snow Advisory	7
Winter Weather Advisory	87
Heat
Excessive Heat Warning	2
Excessive Heat Watch	3
Heat Advisory	4
Cold
Freeze Warning	14
Freeze Watch	5
Frost Advisory	43
Wind Chill Advisory	14
Wind and dust
High Wind Warning	14
High Wind Watch	4
Wind Advisory	56
Fire
Red Flag Warning	2
Fog and smoke
Dense Fog Advisory	20
Tropical
Inland Tropical Storm Warning	1
Coast and beach
Coastal Flood Warning	1
Coastal Flood Watch	1
Coastal Flood Advisory	5
Coastal Flood Statement	3

By county

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

27 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 2007 2009

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.