Weather alerts in the United States, 2017

120,146 weather alerts in 2017, 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: 120,146
Warnings: 41,665
Watches: 4,148
Advisories: 25,733
Busiest month: July20,087 alerts
Busiest day: March 1, 20171,123 alerts

Over time

By month

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Extreme Wind Warning	19
Severe Thunderstorm Warning	18,613
Tornado Warning	2,811
Severe Thunderstorm Watch	348
Tornado Watch	171
Mesoscale Discussion	1,809
Special Weather Statement	45,699
Flooding
Areal Flood Warning	1,759
Flash Flood Warning	3,520
Hydrologic Warning	1
River Flood Warning	3,984
Flash Flood Watch	581
Flood Watch	230
River Flood Watch	290
Areal Flood Advisory	9,139
River Flood Advisory	634
Hydrologic Statement	1
River Flood Statement	1
Winter
Blizzard Warning	77
Ice Storm Warning	28
Lake Effect Snow Warning	44
Winter Storm Warning	630
Blizzard Watch	22
Lake Effect Snow Watch	12
Winter Storm Watch	525
Freezing Rain Advisory	125
Lake Effect Snow Advisory	54
Winter Weather Advisory	1,969
Heat
Excessive Heat Warning	80
Excessive Heat Watch	53
Heat Advisory	374
Cold
Freeze Warning	480
Hard Freeze Warning	56
Wind Chill Warning	67
Freeze Watch	168
Hard Freeze Watch	20
Wind Chill Watch	9
Frost Advisory	445
Wind Chill Advisory	398
Wind and dust
Dust Storm Warning	14
High Wind Warning	598
High Wind Watch	368
Blowing Dust Advisory	74
Lake Wind Advisory	306
Wind Advisory	1,760
Fire
Red Flag Warning	976
Fire Weather Watch	583
Fog and smoke
Air Stagnation Advisory	16
Dense Fog Advisory	1,603
Dense Smoke Advisory	23
Freezing Fog Advisory	55
Air Stagnation Outlook	1
Tropical
Hurricane Warning	15
Storm Surge Warning	14
Tropical Storm Warning	43
Hurricane Watch	14
Storm Surge Watch	16
Tropical Storm Watch	34
Coast and beach
Coastal Flood Warning	55
High Surf Warning	27
Lakeshore Flood Warning	31
Coastal Flood Watch	29
Lakeshore Flood Watch	25
Coastal Flood Advisory	486
High Surf Advisory	284
Lakeshore Flood Advisory	24
Tsunami Advisory	2
Beach Hazards Statement	464
Coastal Flood Statement	167
Rip Current Statement	458
Marine
Gale Warning	2,319
Hazardous Seas Warning	110
Heavy Freezing Spray Warning	285
Hurricane Force Wind Warning	16
Special Marine Warning	4,662
Storm Warning	331
Gale Watch	587
Hazardous Seas Watch	25
Hurricane Force Wind Watch	2
Storm Watch	36
Brisk Wind Advisory	283
Heavy Freezing Spray Advisory	34
Low Water Advisory	62
Marine Dense Fog Advisory	352
Small Craft Advisory	6,278
Small Craft Advisory for Hazardous Seas	441
Small Craft Advisory for Rough Bar	262
Small Craft Advisory for Winds	250

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

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now The tornado archive The radar archive 2016 2018

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.