Weather alerts in the United States, 2018

129,511 weather alerts in 2018, 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: 129,511
Warnings: 43,042
Watches: 4,751
Advisories: 27,735
Busiest month: June20,112 alerts
Busiest day: May 31, 20181,073 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	4
Severe Thunderstorm Warning	17,690
Tornado Warning	2,021
Severe Thunderstorm Watch	316
Tornado Watch	136
Mesoscale Discussion	1,749
Special Weather Statement	51,053
Flooding
Areal Flood Warning	2,595
Flash Flood Warning	4,028
Hydrologic Warning	1
River Flood Warning	5,646
Flash Flood Watch	729
Flood Watch	353
River Flood Watch	441
Areal Flood Advisory	11,044
River Flood Advisory	712
River Flood Statement	1
Winter
Blizzard Warning	114
Ice Storm Warning	14
Lake Effect Snow Warning	7
Snow Squall Warning	70
Winter Storm Warning	741
Winter Storm Watch	608
Winter Weather Advisory	2,554
Heat
Excessive Heat Warning	121
Excessive Heat Watch	68
Heat Advisory	594
Cold
Freeze Warning	592
Hard Freeze Warning	85
Wind Chill Warning	60
Freeze Watch	229
Hard Freeze Watch	38
Wind Chill Watch	16
Frost Advisory	405
Wind Chill Advisory	436
Wind and dust
Dust Storm Warning	93
High Wind Warning	476
High Wind Watch	314
Blowing Dust Advisory	48
Dust Storm Advisory	133
Lake Wind Advisory	238
Wind Advisory	1,534
Fire
Red Flag Warning	1,028
Fire Weather Watch	713
Fog and smoke
Air Stagnation Advisory	9
Ashfall Advisory	3
Dense Fog Advisory	1,503
Dense Smoke Advisory	22
Freezing Fog Advisory	70
Tropical
Hurricane Warning	11
Storm Surge Warning	7
Tropical Storm Warning	38
Typhoon Warning	2
Hurricane Watch	12
Storm Surge Watch	14
Tropical Storm Watch	37
Typhoon Watch	2
Hurricane Local Statement	5
Coast and beach
Coastal Flood Warning	106
High Surf Warning	37
Lakeshore Flood Warning	22
Tsunami Warning	2
Coastal Flood Watch	59
Lakeshore Flood Watch	9
Tsunami Watch	2
Coastal Flood Advisory	613
High Surf Advisory	294
Lakeshore Flood Advisory	33
Tsunami Advisory	2
Beach Hazards Statement	465
Coastal Flood Statement	193
Rip Current Statement	517
Marine
Gale Warning	2,235
Hazardous Seas Warning	79
Heavy Freezing Spray Warning	234
Hurricane Force Wind Warning	13
Special Marine Warning	4,555
Storm Warning	315
Gale Watch	600
Hazardous Seas Watch	20
Heavy Freezing Spray Watch	3
Hurricane Force Wind Watch	1
Storm Watch	31
Brisk Wind Advisory	219
Heavy Freezing Spray Advisory	26
Low Water Advisory	66
Marine Ashfall Advisory	1
Marine Dense Fog Advisory	436
Small Craft Advisory	6,005
Small Craft Advisory for Hazardous Seas	325
Small Craft Advisory for Rough Bar	206
Small Craft Advisory for Winds	204

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

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now The tornado archive The radar archive 2017 2019

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.