Weather alerts in the United States, March 2017

9,071 weather alerts in March 2017, 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: 9,071
Warnings: 3,638
Watches: 493
Advisories: 2,077
Busiest day: March 1, 20171,123 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	1,786
Tornado Warning	330
Severe Thunderstorm Watch	36
Tornado Watch	27
Mesoscale Discussion	165
Special Weather Statement	2,630
Flooding
Areal Flood Warning	86
Flash Flood Warning	65
River Flood Warning	249
Flash Flood Watch	3
Flood Watch	22
River Flood Watch	38
Areal Flood Advisory	343
River Flood Advisory	37
Winter
Blizzard Warning	19
Lake Effect Snow Warning	6
Winter Storm Warning	79
Blizzard Watch	4
Lake Effect Snow Watch	1
Winter Storm Watch	67
Freezing Rain Advisory	19
Lake Effect Snow Advisory	6
Winter Weather Advisory	273
Cold
Freeze Warning	123
Hard Freeze Warning	1
Wind Chill Warning	3
Freeze Watch	28
Hard Freeze Watch	1
Frost Advisory	23
Wind Chill Advisory	45
Wind and dust
Dust Storm Warning	1
High Wind Warning	102
High Wind Watch	66
Blowing Dust Advisory	11
Lake Wind Advisory	27
Wind Advisory	238
Fire
Red Flag Warning	170
Fire Weather Watch	118
Fog and smoke
Dense Fog Advisory	107
Dense Smoke Advisory	2
Freezing Fog Advisory	1
Coast and beach
Coastal Flood Warning	4
High Surf Warning	4
Coastal Flood Watch	4
Coastal Flood Advisory	22
High Surf Advisory	23
Lakeshore Flood Advisory	2
Beach Hazards Statement	11
Coastal Flood Statement	6
Rip Current Statement	51
Marine
Gale Warning	243
Hazardous Seas Warning	10
Heavy Freezing Spray Warning	70
Special Marine Warning	254
Storm Warning	33
Gale Watch	69
Hazardous Seas Watch	3
Storm Watch	6
Brisk Wind Advisory	54
Heavy Freezing Spray Advisory	12
Low Water Advisory	11
Marine Dense Fog Advisory	30
Small Craft Advisory	663
Small Craft Advisory for Hazardous Seas	53
Small Craft Advisory for Rough Bar	46
Small Craft Advisory for Winds	29

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

Nearby

Alerts in force now The tornado archive The radar archive 2016 2018

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.