Weather alerts in the United States, February 2012

5,130 weather alerts in February 2012, from the National Weather Service and the Storm Prediction Center. Each alert counts once, however many counties it covered.

Weather alerts by state

Each state shaded by its count. Tap a state for its own archive.

Alerts: 5,130
Warnings: 1,890
Watches: 428
Advisories: 1,943
Busiest day: February 29, 2012662 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

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	521
Tornado Warning	188
Severe Thunderstorm Watch	10
Tornado Watch	24
Mesoscale Discussion	107
Special Weather Statement	748
Flooding
Areal Flood Warning	21
Flash Flood Warning	66
River Flood Warning	141
Flash Flood Watch	15
Flood Watch	10
Areal Flood Advisory	126
River Flood Advisory	8
Winter
Blizzard Warning	31
Lake Effect Snow Warning	6
Winter Storm Warning	134
Blizzard Watch	21
Lake Effect Snow Watch	2
Winter Storm Watch	116
Freezing Rain Advisory	6
Lake Effect Snow Advisory	12
Winter Weather Advisory	378
Cold
Extreme Cold Warning	6
Freeze Warning	11
Hard Freeze Warning	10
Wind Chill Warning	5
Extreme Cold Watch	1
Freeze Watch	10
Hard Freeze Watch	7
Frost Advisory	6
Wind Chill Advisory	39
Wind and dust
Dust Storm Warning	1
High Wind Warning	99
High Wind Watch	68
Blowing Dust Advisory	5
Lake Wind Advisory	43
Wind Advisory	269
Fire
Red Flag Warning	108
Fire Weather Watch	73
Fog and smoke
Air Stagnation Advisory	4
Dense Fog Advisory	199
Freezing Fog Advisory	21
Coast and beach
Coastal Flood Warning	1
High Surf Warning	4
Lakeshore Flood Warning	1
Coastal Flood Watch	1
Lakeshore Flood Watch	1
Coastal Flood Advisory	4
High Surf Advisory	41
Coastal Flood Statement	6
Rip Current Statement	7
Marine
Gale Warning	286
Hazardous Seas Warning	12
Heavy Freezing Spray Warning	40
Hurricane Force Wind Warning	3
Special Marine Warning	132
Storm Warning	63
Gale Watch	60
Hazardous Seas Watch	5
Storm Watch	4
Brisk Wind Advisory	56
Low Water Advisory	9
Marine Dense Fog Advisory	60
Small Craft Advisory	527
Small Craft Advisory for Hazardous Seas	54
Small Craft Advisory for Rough Bar	37
Small Craft Advisory for Winds	39
Marine Weather Statement	1

By state

Every state and territory, with the alerts that covered any part of it. Each state’s page lists every one of them.

14 more states

Nearby

Alerts in force now The tornado archive The radar archive 2011 2013

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.