Weather alerts in the United States, 2008

84,681 weather alerts in 2008, 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: 84,681
Warnings: 52,852
Watches: 5,501
Advisories: 19,982
Busiest month: June15,729 alerts
Busiest day: July 22, 2008790 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	26,562
Tornado Warning	4,700
Severe Thunderstorm Watch	551
Tornado Watch	406
Mesoscale Discussion	2,546
Special Weather Statement	2,969
Flooding
Areal Flood Warning	1,494
Flash Flood Warning	3,882
Hydrologic Warning	2
River Flood Warning	4,526
Flash Flood Watch	611
Flood Watch	347
River Flood Watch	260
Areal Flood Advisory	5,746
River Flood Advisory	467
River Flood Statement	4
Winter
Blizzard Warning	163
Heavy Snow Warning	212
Ice Storm Warning	42
Lake Effect Snow Warning	102
Winter Storm Warning	819
Blizzard Watch	67
Lake Effect Snow Watch	49
Winter Storm Watch	862
Blowing Snow Advisory	100
Freezing Rain Advisory	197
Lake Effect Snow Advisory	174
Lake Effect Snow and Blowing Snow Advisory	16
Snow Advisory	844
Snow and Blowing Snow Advisory	303
Winter Weather Advisory	1,535
Heat
Excessive Heat Warning	60
Excessive Heat Watch	31
Heat Advisory	159
Cold
Freeze Warning	487
Hard Freeze Warning	37
Wind Chill Warning	112
Freeze Watch	211
Hard Freeze Watch	13
Wind Chill Watch	24
Frost Advisory	489
Wind Chill Advisory	434
Wind and dust
Dust Storm Warning	28
High Wind Warning	679
High Wind Watch	371
Blowing Dust Advisory	10
Lake Wind Advisory	719
Wind Advisory	2,404
Fire
Red Flag Warning	1,734
Fire Weather Watch	1,254
Fog and smoke
Air Stagnation Advisory	17
Ashfall Advisory	7
Dense Fog Advisory	1,164
Dense Smoke Advisory	41
Freezing Fog Advisory	41
Tropical
Hurricane Warning	23
Inland Hurricane Warning	10
Inland Tropical Storm Warning	35
Tropical Storm Warning	68
Hurricane Watch	42
Inland Hurricane Watch	10
Inland Tropical Storm Watch	25
Tropical Storm Watch	46
Hurricane Local Statement	25
Coast and beach
Coastal Flood Warning	49
High Surf Warning	22
Lakeshore Flood Warning	4
Coastal Flood Watch	38
Lakeshore Flood Watch	2
Coastal Flood Advisory	175
High Surf Advisory	250
Lakeshore Flood Advisory	1
Coastal Flood Statement	254
Lakeshore Flood Statement	69
Marine
Gale Warning	1,913
Hazardous Seas Warning	36
Heavy Freezing Spray Warning	316
Hurricane Force Wind Warning	13
Special Marine Warning	4,379
Storm Warning	343
Gale Watch	243
Hazardous Seas Watch	23
Heavy Freezing Spray Watch	5
Storm Watch	10
Brisk Wind Advisory	269
Heavy Freezing Spray Advisory	4
Low Water Advisory	32
Marine Dense Fog Advisory	68
Small Craft Advisory	3,634
Small Craft Advisory for Hazardous Seas	330
Small Craft Advisory for Rough Bar	133
Small Craft Advisory for Winds	219
Marine Weather Statement	479

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 2007 2009

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.