Destination Weather API Developer's Guide

Mapping of supported NWS alerts types

The table below shows how NWS alerts are mapped

Table 1. Mapping of NWS alerts
Weather alert ID Description
911 Telephone Outage 1 Civil Emergency Message
Administrative Message 1 Civil Emergency Message
Air Quality Alert 38 Air Stagnation Advisory
Air Stagnation Advisory 38 Air Stagnation Advisory
Arroyo and Small Stream Flood Advisory 8 Urban and Small Stream Flood Advisory
Ashfall Advisory 36 Volcanic Activity Advisory
Ashfall Warning 36 Volcanic Activity Advisory
Avalanche Advisory 18 Snow Avalanche Bulletin
Avalanche Warning 18 Snow Avalanche Bulletin
Avalanche Watch 18 Snow Avalanche Bulletin
Beach Hazards Statement 11 Marine Weather Statement
Blizzard Warning 37 Winter Weather Warning, Watch, or Advisory
Blizzard Watch 37 Winter Weather Warning, Watch, or Advisory
Blowing Dust Advisory 12 Non Precipitation Warning, Watch, or Statement
Brisk Wind Advisory 12 Non Precipitation Warning, Watch, or Statement
Blowing Dust Warning 12 Non Precipitation Warning, Watch, or Statement
Child Abduction Emergency 1 Civil Emergency Message
Civil Danger Warning 1 Civil Emergency Message
Civil Emergency Message 1 Civil Emergency Message
Coastal Flood Advisory 2 Coastal Flood Warning, Watch, or Statement
Coastal Flood Statement 2 Coastal Flood Warning, Watch, or Statement
Coastal Flood Warning 2 Coastal Flood Warning, Watch, or Statement
Coastal Flood Watch 2 Coastal Flood Warning, Watch, or Statement
Dense Fog Advisory 12 Non Precipitation Warning, Watch, or Statement
Dense Smoke Advisory 12 Non Precipitation Warning, Watch, or Statement
Dust Advisory 12 Non Precipitation Warning, Watch, or Statement
Dust Storm Warning 12 Non Precipitation Warning, Watch, or Statement
Earthquake Warning 12 Non Precipitation Warning, Watch, or Statement
Evacuation - Immediate 1 Civil Emergency Message
Excessive Heat Warning 12 Non Precipitation Warning, Watch, or Statement
Excessive Heat Watch 12 Non Precipitation Warning, Watch, or Statement
Extreme Cold Warning 12 Non Precipitation Warning, Watch, or Statement
Extreme Cold Watch 12 Non Precipitation Warning, Watch, or Statement
Extreme Fire Danger 14 Red Flag Warning
Extreme Wind Warning 12 Non Precipitation Warning, Watch, or Statement
Fire Warning 14 Red Flag Warning
Fire Weather Watch 12 Non Precipitation Warning, Watch, or Statement
Flash Flood Statement 4 Flash Flood Statement
Flash Flood Warning 5 Flash Flood Warning
Flash Flood Watch 3 Flash Flood Watch
Flood Advisory 8 Urban and Small Stream Flood Advisory
Flood Statement 6 Flood Statement
Flood Warning 7 Flood Warning
Flood Watch 3 Flash Flood Watch
Freeze Warning 12 Non Precipitation Warning, Watch, or Statement
Freeze Watch 12 Non Precipitation Warning, Watch, or Statement
Freezing Fog Advisory 12 Non Precipitation Warning, Watch, or Statement
Freezing Rain Advisory 37 Winter Weather Warning, Watch, or Advisory
Freezing Spray Advisory 12 Non Precipitation Warning, Watch, or Statement
Frost Advisory 12 Non Precipitation Warning, Watch, or Statement
Gale Warning 12 Non Precipitation Warning, Watch, or Statement
Gale Watch 12 Non Precipitation Warning, Watch, or Statement
Hard Freeze Warning 12 Non Precipitation Warning, Watch, or Statement
Hard Freeze Watch 12 Non Precipitation Warning, Watch, or Statement
Hazardous Materials Warning 1 Civil Emergency Message
Hazardous Seas Warning 25 Special Marine Warning
Hazardous Seas Watch 11 Marine Weather Statement
Hazardous Weather Outlook 27 Special Weather Statement
Heat Advisory 12 Non Precipitation Warning, Watch, or Statement
Heavy Freezing Spray Warning 11 Marine Weather Statement
Heavy Freezing Spray Watch 11 Marine Weather Statement
High Surf Advisory 11 Marine Weather Statement
High Surf Warning 11 Marine Weather Statement
High Wind Warning 12 Non Precipitation Warning, Watch, or Statement
High Wind Watch 12 Non Precipitation Warning, Watch, or Statement
Hurricane Force Wind Warning 12 Non Precipitation Warning, Watch, or Statement
Hurricane Force Wind Watch 12 Non Precipitation Warning, Watch, or Statement
Hurricane Local Statement 9 Hurricane Local Statement
Hurricane Warning 30 Tropical Cyclone Advisory
Hurricane Watch 30 Tropical Cyclone Advisory
Hydrologic Advisory 12 Non Precipitation Warning, Watch, or Statement
Hydrologic Outlook 12 Non Precipitation Warning, Watch, or Statement
Ice Storm Warning 37 Winter Weather Warning, Watch, or Advisory
Lake Effect Snow Advisory 37 Winter Weather Warning, Watch, or Advisory
Lake Effect Snow Warning 37 Winter Weather Warning, Watch, or Advisory
Lake Effect Snow Watch 37 Winter Weather Warning, Watch, or Advisory
Lake Wind Advisory 10 Lakeshore Warning or Statement
Lakeshore Flood Advisory 10 Lakeshore Warning or Statement
Lakeshore Flood Statement 10 Lakeshore Warning or Statement
Lakeshore Flood Warning 10 Lakeshore Warning or Statement
Lakeshore Flood Watch 10 Lakeshore Warning or Statement
Law Enforcement Warning 1 Civil Emergency Message
Local Area Emergency 1 Civil Emergency Message
Low Water Advisory 1 Civil Emergency Message
Marine Weather Statement 11 Marine Weather Statement
Nuclear Power Plant Warning 1 Civil Emergency Message
Radiological Hazard Warning 1 Civil Emergency Message
Red Flag Warning 14 Red Flag Warning
Rip Current Statement 11 Marine Weather Statement
Severe Thunderstorm Warning 28 Severe Thunderstorm Warning
Severe Thunderstorm Watch 23 Severe Local Storm Watch and Areal Outline
Severe Weather Statement 29 Severe Weather Statement
Shelter In Place Warning 1 Civil Emergency Message
Short Term Forecast 12 Non Precipitation Warning, Watch, or Statement
Small Craft Advisory 11 Marine Weather Statement
Small Craft Advisory For Hazardous Seas 11 Marine Weather Statement
Small Craft Advisory For Rough Bar 11 Marine Weather Statement
Small Craft Advisory For Winds 11 Marine Weather Statement
Small Stream Flood Advisory 8 Urban and Small Stream Flood Advisory
Snow Squall Warning 37 Winter Weather Warning, Watch, or Advisory
Special Marine Warning 25 Special Marine Warning
Special Weather Statement 27 Special Weather Statement
Storm Surge Warning 25 Special Marine Warning
Storm Surge Watch 11 Marine Weather Statement
Storm Warning 25 Special Marine Warning
Storm Watch 11 Marine Weather Statement
Tornado Warning 34 Tornado Warning
Tornado Watch 29 Severe Weather Statement
Tropical Depression Local Statement 9 Hurricane Local Statement
Tropical Storm Local Statement 9 Hurricane Local Statement
Tropical Storm Warning 30 Tropical Cyclone Advisory
Tropical Storm Watch 30 Tropical Cyclone Advisory
Tsunami Advisory 35 Tsunami Watch or Warning
Tsunami Warning 35 Tsunami Watch or Warning
Tsunami Watch 35 Tsunami Watch or Warning
Typhoon Local Statement 30 Tropical Cyclone Advisory
Typhoon Warning 9 Hurricane Local Statement
Typhoon Watch 9 Hurricane Local Statement
Urban and Small Stream Flood Advisory 8 Urban and Small Stream Flood Advisory
Volcano Warning 36 Volcanic Activity Advisory
Wind Advisory 12 Non Precipitation Warning, Watch, or Statement
Wind Chill Advisory 12 Non Precipitation Warning, Watch, or Statement
Wind Chill Warning 12 Non Precipitation Warning, Watch, or Statement
Wind Chill Watch 12 Non Precipitation Warning, Watch, or Statement
Winter Storm Warning 37 Winter Weather Warning, Watch, or Advisory
Winter Storm Watch 37 Winter Weather Warning, Watch, or Advisory
Winter Weather Advisory 37 Winter Weather Warning, Watch, or Advisory