Weather alerts in the United States, March 2013

5,344 weather alerts in March 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: 5,344
Warnings: 1,922
Watches: 389
Advisories: 1,802
Busiest day: March 18, 2013472 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

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	669
Tornado Warning	34
Severe Thunderstorm Watch	27
Tornado Watch	3
Mesoscale Discussion	118
Special Weather Statement	1,085
Flooding
Areal Flood Warning	28
Flash Flood Warning	21
River Flood Warning	264
Flash Flood Watch	5
Flood Watch	9
River Flood Watch	11
Areal Flood Advisory	117
River Flood Advisory	52
Winter
Blizzard Warning	29
Ice Storm Warning	1
Lake Effect Snow Warning	7
Winter Storm Warning	132
Blizzard Watch	11
Lake Effect Snow Watch	4
Winter Storm Watch	109
Freezing Rain Advisory	11
Lake Effect Snow Advisory	18
Winter Weather Advisory	338
Cold
Freeze Warning	88
Hard Freeze Warning	2
Freeze Watch	34
Hard Freeze Watch	2
Frost Advisory	37
Wind Chill Advisory	14
Wind and dust
Dust Storm Warning	1
High Wind Warning	45
High Wind Watch	34
Blowing Dust Advisory	2
Lake Wind Advisory	52
Wind Advisory	240
Fire
Red Flag Warning	147
Fire Weather Watch	88
Fog and smoke
Dense Fog Advisory	81
Dense Smoke Advisory	1
Freezing Fog Advisory	1
Coast and beach
Coastal Flood Warning	12
High Surf Warning	1
Coastal Flood Watch	7
Coastal Flood Advisory	42
High Surf Advisory	17
Beach Hazards Statement	6
Coastal Flood Statement	12
Rip Current Statement	10
Marine
Gale Warning	233
Hazardous Seas Warning	2
Heavy Freezing Spray Warning	53
Hurricane Force Wind Warning	1
Special Marine Warning	119
Storm Warning	33
Gale Watch	40
Hazardous Seas Watch	1
Heavy Freezing Spray Watch	1
Storm Watch	3
Brisk Wind Advisory	63
Low Water Advisory	7
Marine Dense Fog Advisory	23
Small Craft Advisory	578
Small Craft Advisory for Hazardous Seas	41
Small Craft Advisory for Rough Bar	30
Small Craft Advisory for Winds	37

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

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.