GuidesAPI Reference
Guides

Mapping of supported NWS warning or watch types

The following table describes NWS alert mapping.

Weather alertIDDescription
911 Telephone Outage1Civil Emergency Message
Administrative Message1Civil Emergency Message
Air Quality Alert38Air Stagnation Advisory
Air Stagnation Advisory38Air Stagnation Advisory
Arroyo and Small Stream Flood Advisory8Urban and Small Stream Flood Advisory
Ashfall Advisory36Volcanic Activity Advisory
Ashfall Warning36Volcanic Activity Advisory
Avalanche Advisory18Snow Avalanche Bulletin
Avalanche Warning18Snow Avalanche Bulletin
Avalanche Watch18Snow Avalanche Bulletin
Beach Hazards Statement11Marine Weather Statement
Blizzard Warning37Winter Weather Warning, Watch, or Advisory
Blizzard Watch37Winter Weather Warning, Watch, or Advisory
Blowing Dust Advisory12Non Precipitation Warning, Watch, or Statement
Brisk Wind Advisory12Non Precipitation Warning, Watch, or Statement
Blowing Dust Warning12Non Precipitation Warning, Watch, or Statement
Child Abduction Emergency1Civil Emergency Message
Civil Danger Warning1Civil Emergency Message
Civil Emergency Message1Civil Emergency Message
Coastal Flood Advisory2Coastal Flood Warning, Watch, or Statement
Coastal Flood Statement2Coastal Flood Warning, Watch, or Statement
Coastal Flood Warning2Coastal Flood Warning, Watch, or Statement
Coastal Flood Watch2Coastal Flood Warning, Watch, or Statement
Dense Fog Advisory12Non Precipitation Warning, Watch, or Statement
Dense Smoke Advisory12Non Precipitation Warning, Watch, or Statement
Dust Advisory12Non Precipitation Warning, Watch, or Statement
Dust Storm Warning12Non Precipitation Warning, Watch, or Statement
Earthquake Warning12Non Precipitation Warning, Watch, or Statement
Evacuation - Immediate1Civil Emergency Message
Excessive Heat Warning12Non Precipitation Warning, Watch, or Statement
Excessive Heat Watch12Non Precipitation Warning, Watch, or Statement
Extreme Cold Warning12Non Precipitation Warning, Watch, or Statement
Extreme Cold Watch12Non Precipitation Warning, Watch, or Statement
Extreme Fire Danger14Red Flag Warning
Extreme Wind Warning12Non Precipitation Warning, Watch, or Statement
Fire Warning14Red Flag Warning
Fire Weather Watch12Non Precipitation Warning, Watch, or Statement
Flash Flood Statement4Flash Flood Statement
Flash Flood Warning5Flash Flood Warning
Flash Flood Watch3Flash Flood Watch
Flood Advisory8Urban and Small Stream Flood Advisory
Flood Statement6Flood Statement
Flood Warning7Flood Warning
Flood Watch3Flash Flood Watch
Freeze Warning12Non Precipitation Warning, Watch, or Statement
Freezing Rain Advisory37Winter Weather Warning, Watch, or Advisory
Freezing Spray Advisory12Non Precipitation Warning, Watch, or Statement
Frost Advisory12Non Precipitation Warning, Watch, or Statement
Gale Warning12Non Precipitation Warning, Watch, or Statement
Gale Watch12Non Precipitation Warning, Watch, or Statement
Hard Freeze Warning12Non Precipitation Warning, Watch, or Statement
Hard Freeze Watch12Non Precipitation Warning, Watch, or Statement
Hazardous Materials Warning1Civil Emergency Message
Hazardous Seas Warning25Special Marine Warning
Hazardous Seas Watch11Marine Weather Statement
Hazardous Weather Outlook27Special Weather Statement
Heat Advisory12Non Precipitation Warning, Watch, or Statement
Heavy Freezing Spray Warning11Marine Weather Statement
Heavy Freezing Spray Watch11Marine Weather Statement
High Surf Advisory11Marine Weather Statement
High Surf Warning11Marine Weather Statement
High Wind Warning12Non Precipitation Warning, Watch, or Statement
High Wind Watch12Non Precipitation Warning, Watch, or Statement
Hurricane Force Wind Warning12Non Precipitation Warning, Watch, or Statement
Hurricane Force Wind Watch12Non Precipitation Warning, Watch, or Statement
Hurricane Local Statement9Hurricane Local Statement
Hurricane Warning30Tropical Cyclone Advisory
Hurricane Watch30Tropical Cyclone Advisory
Hydrologic Advisory12Non Precipitation Warning, Watch, or Statement
Hydrologic Outlook12Non Precipitation Warning, Watch, or Statement
Ice Storm Warning37Winter Weather Warning, Watch, or Advisory
Lake Effect Snow Advisory37Winter Weather Warning, Watch, or Advisory
Lake Effect Snow Warning37Winter Weather Warning, Watch, or Advisory
Lake Effect Snow Watch37Winter Weather Warning, Watch, or Advisory
Lake Wind Advisory10Lakeshore Warning or Statement
Lakeshore Flood Advisory10Lakeshore Warning or Statement
Lakeshore Flood Statement10Lakeshore Warning or Statement
Lakeshore Flood Warning10Lakeshore Warning or Statement
Lakeshore Flood Watch10Lakeshore Warning or Statement
Law Enforcement Warning1Civil Emergency Message
Local Area Emergency1Civil Emergency Message
Low Water Advisory1Civil Emergency Message
Marine Weather Statement11Marine Weather Statement
Nuclear Power Plant Warning1Civil Emergency Message
Radiological Hazard Warning1Civil Emergency Message
Red Flag Warning14Red Flag Warning
Rip Current Statement11Marine Weather Statement
Severe Thunderstorm Warning28Severe Thunderstorm Warning
Severe Thunderstorm Watch23Severe Local Storm Watch and Areal Outline
Severe Weather Statement29Severe Weather Statement
Shelter In Place Warning1Civil Emergency Message
Short Term Forecast12Non Precipitation Warning, Watch, or Statement
Small Craft Advisory11Marine Weather Statement
Small Craft Advisory For Hazardous Seas11Marine Weather Statement
Small Craft Advisory For Rough Bar11Marine Weather Statement
Small Craft Advisory For Winds11Marine Weather Statement
Small Stream Flood Advisory8Urban and Small Stream Flood Advisory
Snow Squall Warning37Winter Weather Warning, Watch, or Advisory
Special Marine Warning25Special Marine Warning
Special Weather Statement27Special Weather Statement
Storm Surge Warning25Special Marine Warning
Storm Surge Watch11Marine Weather Statement
Storm Warning25Special Marine Warning
Storm Watch11Marine Weather Statement
Tornado Warning34Tornado Warning
Tornado Watch29Severe Weather Statement
Tropical Depression Local Statement9Hurricane Local Statement
Tropical Storm Local Statement9Hurricane Local Statement
Tropical Storm Warning30Tropical Cyclone Advisory
Tropical Storm Watch30Tropical Cyclone Advisory
Tsunami Advisory35Tsunami Watch or Warning
Tsunami Watch35Tsunami Watch or Warning
Typhoon Local Statement30Tropical Cyclone Advisory
Typhoon Warning9Hurricane Local Statement
Typhoon Watch9Hurricane Local Statement
Urban and Small Stream Flood Advisory8Urban and Small Stream Flood Advisory
Volcano Warning36Volcanic Activity Advisory
Wind Advisory12Non Precipitation Warning, Watch, or Statement
Wind Chill Advisory12Non Precipitation Warning, Watch, or Statement
Wind Chill Warning12Non Precipitation Warning, Watch, or Statement
Wind Chill Watch12Non Precipitation Warning, Watch, or Statement
Winter Storm Warning37Winter Weather Warning, Watch, or Advisory
Winter Weather Advisory37Winter Weather Warning, Watch, or Advisory