Weather alerts in the United States, January 2009

4,213 weather alerts in January 2009, 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: 4,213
Warnings: 1,426
Watches: 462
Advisories: 2,192
Busiest day: January 7, 2009365 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	96
Tornado Warning	27
Severe Thunderstorm Watch	2
Tornado Watch	3
Mesoscale Discussion	60
Special Weather Statement	25
Flooding
Areal Flood Warning	47
Flash Flood Warning	38
River Flood Warning	181
Flash Flood Watch	10
Flood Watch	16
River Flood Watch	8
Areal Flood Advisory	107
River Flood Advisory	36
Winter
Blizzard Warning	23
Ice Storm Warning	19
Lake Effect Snow Warning	25
Winter Storm Warning	156
Blizzard Watch	20
Lake Effect Snow Watch	11
Winter Storm Watch	127
Freezing Rain Advisory	63
Lake Effect Snow Advisory	47
Winter Weather Advisory	432
Cold
Freeze Warning	36
Hard Freeze Warning	30
Wind Chill Warning	40
Freeze Watch	29
Hard Freeze Watch	18
Wind Chill Watch	6
Frost Advisory	13
Wind Chill Advisory	180
Wind and dust
High Wind Warning	82
High Wind Watch	40
Lake Wind Advisory	59
Wind Advisory	203
Fire
Red Flag Warning	145
Fire Weather Watch	110
Fog and smoke
Air Stagnation Advisory	6
Dense Fog Advisory	205
Freezing Fog Advisory	20
Air Stagnation Outlook	1
Coast and beach
Coastal Flood Warning	1
High Surf Warning	1
Coastal Flood Watch	1
Coastal Flood Advisory	8
High Surf Advisory	19
Coastal Flood Statement	4
Marine
Gale Warning	295
Hazardous Seas Warning	4
Heavy Freezing Spray Warning	92
Special Marine Warning	55
Storm Warning	33
Gale Watch	46
Hazardous Seas Watch	3
Heavy Freezing Spray Watch	10
Storm Watch	2
Brisk Wind Advisory	56
Heavy Freezing Spray Advisory	2
Low Water Advisory	6
Marine Dense Fog Advisory	31
Small Craft Advisory	559
Small Craft Advisory for Hazardous Seas	65
Small Craft Advisory for Rough Bar	28
Small Craft Advisory for Winds	47
Marine Weather Statement	43

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 2008 2010

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.