Weather alerts in the United States, January 2011

4,266 weather alerts in January 2011, 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: 4,266
Warnings: 1,447
Watches: 462
Advisories: 2,074
Busiest day: January 1, 2011303 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	78
Tornado Warning	59
Severe Thunderstorm Watch	2
Tornado Watch	7
Mesoscale Discussion	55
Special Weather Statement	205
Flooding
Areal Flood Warning	16
Flash Flood Warning	45
River Flood Warning	96
Flash Flood Watch	8
Flood Watch	11
River Flood Watch	5
Areal Flood Advisory	84
River Flood Advisory	10
Winter
Blizzard Warning	30
Ice Storm Warning	2
Lake Effect Snow Warning	36
Winter Storm Warning	178
Blizzard Watch	12
Lake Effect Snow Watch	22
Winter Storm Watch	168
Freezing Rain Advisory	36
Lake Effect Snow Advisory	59
Winter Weather Advisory	508
Cold
Extreme Cold Warning	2
Freeze Warning	44
Hard Freeze Warning	35
Wind Chill Warning	34
Freeze Watch	21
Hard Freeze Watch	18
Wind Chill Watch	12
Frost Advisory	7
Wind Chill Advisory	168
Wind and dust
High Wind Warning	68
High Wind Watch	41
Lake Wind Advisory	34
Wind Advisory	142
Fire
Red Flag Warning	74
Fire Weather Watch	67
Fog and smoke
Air Stagnation Advisory	9
Dense Fog Advisory	179
Freezing Fog Advisory	17
Air Stagnation Outlook	2
Coast and beach
Coastal Flood Warning	3
High Surf Warning	6
Coastal Flood Watch	3
Lakeshore Flood Watch	2
Coastal Flood Advisory	9
High Surf Advisory	25
Coastal Flood Statement	16
Rip Current Statement	3
Marine
Gale Warning	330
Hazardous Seas Warning	4
Heavy Freezing Spray Warning	65
Hurricane Force Wind Warning	5
Special Marine Warning	169
Storm Warning	68
Gale Watch	54
Hazardous Seas Watch	2
Heavy Freezing Spray Watch	5
Storm Watch	2
Brisk Wind Advisory	52
Heavy Freezing Spray Advisory	1
Low Water Advisory	6
Marine Dense Fog Advisory	55
Small Craft Advisory	545
Small Craft Advisory for Hazardous Seas	46
Small Craft Advisory for Rough Bar	39
Small Craft Advisory for Winds	43
Marine Weather Statement	2

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 2010 2012

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.