Weather alerts in the United States, 2015

119,835 weather alerts in 2015, 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: 119,835
Warnings: 42,969
Watches: 4,120
Advisories: 25,630
Busiest month: June21,189 alerts
Busiest day: July 14, 20151,218 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
Severe Thunderstorm Warning	18,250
Tornado Warning	2,328
Severe Thunderstorm Watch	364
Tornado Watch	213
Mesoscale Discussion	2,111
Special Weather Statement	44,251
Flooding
Areal Flood Warning	2,027
Flash Flood Warning	4,593
River Flood Warning	5,502
Flash Flood Watch	820
Flood Watch	227
River Flood Watch	127
Areal Flood Advisory	9,623
River Flood Advisory	664
Winter
Blizzard Warning	100
Ice Storm Warning	18
Lake Effect Snow Warning	30
Winter Storm Warning	629
Blizzard Watch	42
Lake Effect Snow Watch	20
Winter Storm Watch	546
Freezing Rain Advisory	221
Lake Effect Snow Advisory	60
Winter Weather Advisory	1,837
Heat
Excessive Heat Warning	78
Excessive Heat Watch	16
Heat Advisory	433
Cold
Freeze Warning	435
Hard Freeze Warning	73
Wind Chill Warning	118
Freeze Watch	203
Hard Freeze Watch	35
Wind Chill Watch	46
Frost Advisory	508
Wind Chill Advisory	589
Wind and dust
Dust Storm Warning	20
High Wind Warning	399
High Wind Watch	278
Blowing Dust Advisory	66
Lake Wind Advisory	235
Wind Advisory	1,295
Fire
Red Flag Warning	776
Fire Weather Watch	503
Fog and smoke
Air Stagnation Advisory	11
Dense Fog Advisory	1,417
Dense Smoke Advisory	24
Freezing Fog Advisory	79
Tropical
Tropical Storm Warning	26
Typhoon Warning	3
Tropical Storm Watch	20
Typhoon Watch	6
Coast and beach
Coastal Flood Warning	50
High Surf Warning	31
Lakeshore Flood Warning	10
Coastal Flood Watch	49
Lakeshore Flood Watch	4
Tsunami Watch	2
Coastal Flood Advisory	432
High Surf Advisory	264
Lakeshore Flood Advisory	17
Tsunami Advisory	2
Beach Hazards Statement	263
Coastal Flood Statement	101
Lakeshore Flood Statement	3
Rip Current Statement	384
Marine
Gale Warning	2,488
Hazardous Seas Warning	121
Heavy Freezing Spray Warning	311
Hurricane Force Wind Warning	27
Special Marine Warning	4,158
Storm Warning	368
Gale Watch	505
Hazardous Seas Watch	45
Heavy Freezing Spray Watch	15
Hurricane Force Wind Watch	1
Storm Watch	33
Brisk Wind Advisory	285
Heavy Freezing Spray Advisory	82
Low Water Advisory	36
Marine Dense Fog Advisory	415
Small Craft Advisory	6,042
Small Craft Advisory for Hazardous Seas	446
Small Craft Advisory for Rough Bar	232
Small Craft Advisory for Winds	315
Marine Weather Statement	3

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 2014 2016

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.