Weather alerts in the United States, 2013

105,564 weather alerts in 2013, 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: 105,564
Warnings: 38,847
Watches: 4,295
Advisories: 26,105
Busiest month: June17,190 alerts
Busiest day: May 21, 20131,038 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	16,758
Tornado Warning	1,831
Severe Thunderstorm Watch	422
Tornado Watch	174
Mesoscale Discussion	2,116
Special Weather Statement	33,697
Flooding
Areal Flood Warning	1,708
Flash Flood Warning	4,447
River Flood Warning	3,863
Flash Flood Watch	692
Flood Watch	289
River Flood Watch	199
Areal Flood Advisory	9,572
River Flood Advisory	653
River Flood Statement	1
Winter
Blizzard Warning	138
Ice Storm Warning	50
Lake Effect Snow Warning	97
Winter Storm Warning	681
Blizzard Watch	61
Lake Effect Snow Watch	62
Winter Storm Watch	594
Freezing Rain Advisory	233
Lake Effect Snow Advisory	207
Winter Weather Advisory	2,153
Heat
Excessive Heat Warning	37
Excessive Heat Watch	21
Heat Advisory	212
Cold
Freeze Warning	636
Hard Freeze Warning	73
Wind Chill Warning	81
Freeze Watch	282
Hard Freeze Watch	26
Wind Chill Watch	9
Frost Advisory	647
Wind Chill Advisory	449
Wind and dust
Dust Storm Warning	27
High Wind Warning	460
High Wind Watch	288
Blowing Dust Advisory	75
Lake Wind Advisory	348
Wind Advisory	1,708
Fire
Red Flag Warning	885
Fire Weather Watch	539
Fog and smoke
Air Stagnation Advisory	19
Ashfall Advisory	1
Dense Fog Advisory	1,305
Dense Smoke Advisory	15
Freezing Fog Advisory	79
Air Stagnation Outlook	2
Tropical
Tropical Storm Warning	19
Hurricane Watch	4
Tropical Storm Watch	15
Hurricane Local Statement	4
Coast and beach
Coastal Flood Warning	30
High Surf Warning	21
Lakeshore Flood Warning	1
Tsunami Warning	1
Coastal Flood Watch	24
Lakeshore Flood Watch	2
Coastal Flood Advisory	288
High Surf Advisory	202
Lakeshore Flood Advisory	1
Tsunami Advisory	1
Beach Hazards Statement	163
Coastal Flood Statement	92
Lakeshore Flood Statement	2
Rip Current Statement	231
Marine
Gale Warning	2,428
Hazardous Seas Warning	79
Heavy Freezing Spray Warning	323
Hurricane Force Wind Warning	15
Special Marine Warning	3,862
Storm Warning	296
Gale Watch	515
Hazardous Seas Watch	41
Heavy Freezing Spray Watch	9
Hurricane Force Wind Watch	2
Storm Watch	25
Brisk Wind Advisory	334
Heavy Freezing Spray Advisory	13
Low Water Advisory	51
Marine Dense Fog Advisory	311
Marine Dense Smoke Advisory	1
Small Craft Advisory	6,173
Small Craft Advisory for Hazardous Seas	455
Small Craft Advisory for Rough Bar	225
Small Craft Advisory for Winds	374
Marine Weather Statement	9

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 2012 2014

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.