Weather alerts in the United States, December 2016

5,073 weather alerts in December 2016, 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: 5,073
Warnings: 1,452
Watches: 412
Advisories: 2,277
Busiest day: December 18, 2016415 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	150
Tornado Warning	42
Severe Thunderstorm Watch	2
Tornado Watch	4
Mesoscale Discussion	57
Special Weather Statement	824
Flooding
Areal Flood Warning	24
Flash Flood Warning	37
River Flood Warning	84
Flash Flood Watch	20
Flood Watch	9
River Flood Watch	3
Areal Flood Advisory	181
River Flood Advisory	18
Winter
Blizzard Warning	24
Ice Storm Warning	12
Lake Effect Snow Warning	20
Winter Storm Warning	173
Blizzard Watch	11
Lake Effect Snow Watch	18
Winter Storm Watch	124
Freezing Rain Advisory	61
Lake Effect Snow Advisory	36
Winter Weather Advisory	463
Cold
Freeze Warning	45
Hard Freeze Warning	21
Wind Chill Warning	31
Freeze Watch	16
Hard Freeze Watch	6
Wind Chill Watch	7
Frost Advisory	24
Wind Chill Advisory	135
Wind and dust
High Wind Warning	96
High Wind Watch	60
Blowing Dust Advisory	4
Lake Wind Advisory	8
Wind Advisory	209
Fire
Red Flag Warning	12
Fire Weather Watch	8
Fog and smoke
Air Stagnation Advisory	1
Dense Fog Advisory	209
Freezing Fog Advisory	18
Coast and beach
Coastal Flood Warning	4
High Surf Warning	3
Coastal Flood Watch	2
Tsunami Watch	2
Coastal Flood Advisory	28
High Surf Advisory	19
Beach Hazards Statement	9
Coastal Flood Statement	13
Lakeshore Flood Statement	1
Rip Current Statement	28
Marine
Gale Warning	343
Hazardous Seas Warning	8
Heavy Freezing Spray Warning	75
Hurricane Force Wind Warning	6
Special Marine Warning	171
Storm Warning	71
Gale Watch	109
Hazardous Seas Watch	1
Heavy Freezing Spray Watch	2
Storm Watch	8
Brisk Wind Advisory	37
Heavy Freezing Spray Advisory	1
Low Water Advisory	7
Marine Dense Fog Advisory	84
Small Craft Advisory	659
Small Craft Advisory for Hazardous Seas	38
Small Craft Advisory for Rough Bar	18
Small Craft Advisory for Winds	19

By state

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

15 more states

Nearby

Alerts in force now The tornado archive The radar archive 2015 2017

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.