Alert archive / 2020

Weather alerts in the United States, November 2020

4,994 weather alerts in November 2020, 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.

AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Alerts
4,994
Warnings
1,817
Watches
354
Advisories
1,808
Busiest day
November 12, 2020402 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.

ProductAlerts
Severe storms
Severe Thunderstorm Warning300
Tornado Warning60
Severe Thunderstorm Watch8
Tornado Watch4
Mesoscale Discussion53
Special Weather Statement854
Flooding
Areal Flood Warning116
Flash Flood Warning78
River Flood Warning133
Flash Flood Watch16
Flood Watch15
Areal Flood Advisory233
River Flood Advisory6
Winter
Blizzard Warning9
Ice Storm Warning3
Lake Effect Snow Warning4
Snow Squall Warning11
Winter Storm Warning60
Winter Storm Watch52
Winter Weather Advisory217
Cold
Freeze Warning76
Hard Freeze Warning4
Freeze Watch28
Hard Freeze Watch2
Frost Advisory52
Wind and dust
Dust Storm Warning3
High Wind Warning90
High Wind Watch68
Blowing Dust Advisory3
Dust Storm Advisory4
Lake Wind Advisory21
Wind Advisory274
Fire
Red Flag Warning72
Fire Weather Watch34
Fog and smoke
Air Stagnation Advisory8
Dense Fog Advisory155
Freezing Fog Advisory8
Tropical
Hurricane Warning1
Storm Surge Warning2
Tropical Storm Warning7
Hurricane Watch3
Storm Surge Watch4
Tropical Storm Watch6
Coast and beach
Coastal Flood Warning7
High Surf Warning1
Lakeshore Flood Warning12
Coastal Flood Watch7
Lakeshore Flood Watch5
Coastal Flood Advisory89
High Surf Advisory35
Lakeshore Flood Advisory20
Beach Hazards Statement21
Coastal Flood Statement39
Lakeshore Flood Statement1
Rip Current Statement47
Marine
Gale Warning358
Hazardous Seas Warning9
Heavy Freezing Spray Warning40
Hurricane Force Wind Warning4
Special Marine Warning242
Storm Warning115
Gale Watch92
Hazardous Seas Watch5
Storm Watch5
Brisk Wind Advisory16
Low Water Advisory9
Marine Dense Fog Advisory27
Small Craft Advisory631

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 nowThe tornado archiveThe radar archive20192021

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.