Help - Hazards Map (2024)

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What do all the colors on this map mean?


Please provide us feedback on watch / warning maps

The National Weather Service issues a variety of severe weather warnings, watches, advisories, and statements. These warnings, watches, etc. may be issued for a single forecast zone (usually one county or a part of a county) or for many forecast zones. The events are indicated on the map by different colors. Only one event per forecast zone can be shown on the map at a time, a forecast zone may have several warnings and watches in effect but only the most significant threat to life or property is displayed on the map. By clicking on the map to the forecast pages, you can read the text of all warnings, watches, etc. in effect for the forecast zone.

How often does the map update?

The map updates approximately every 5 minutes with all warnings, watches, advisories, and statements in effect.

What is UTC?

Universal Time Coordinated is a standard time convention used in taking weather observations. To learn more, please go here.

Is there a list of all the warnings and watches and the color codes?

Below is a list of all warnings, watches, advisories, and statements that display on the maps and the associated color and color name. Last update: March 24th, 2021.

Hazard / Weather Event
Click on the Hazard/Weather Event For Definitions
PriorityColor SampleColor NameRGB ColorHex Code
Tsunami Warning1Tomato253 99 71FD6347
Tornado Warning2Red255 0 0FF0000
Extreme Wind Warning3Darkorange255 140 0FF8C00
Severe Thunderstorm Warning4Orange255 165 0FFA500
Flash Flood Warning5Darkred139 0 08B0000
Flash Flood Statement6Darkred139 0 08B0000
Severe Weather Statement7Aqua0 255 25500FFFF
Shelter In Place Warning8Salmon250 128 114FA8072
Evacuation Immediate9Chartreuse127 255 07FFF00
Civil Danger Warning10Lightpink255 182 193FFB6C1
Nuclear Power Plant Warning11Indigo75 0 1304B0082
Radiological Hazard Warning12Indigo75 0 1304B0082
Hazardous Materials Warning13Indigo75 0 1304B0082
Fire Warning14Sienna160 82 45A0522D
Civil Emergency Message15Lightpink255 182 193FFB6C1
Law Enforcement Warning16Silver192 192 192C0C0C0
Storm Surge Warning17Darkpurple181 36 247B524F7
Hurricane Force Wind Warning18Westernred205 92 92CD5C5C
Hurricane Warning19Crimson220 20 60DC143C
Typhoon Warning20Crimson220 20 60DC143C
Special Marine Warning21Orange255 165 0FFA500
Blizzard Warning22Orangered255 69 0FF4500
Snow Squall Warning23Mediumvioletred199 21 133C71585
Ice Storm Warning24Darkmagenta139 0 1398B008B
Winter Storm Warning25Hotpink255 105 180FF69B4
High Wind Warning26Goldenrod218 165 32DAA520
Tropical Storm Warning27Firebrick178 34 34B22222
Storm Warning28Darkviolet148 0 2119400D3
Tsunami Advisory29Chocolate210 105 30D2691E
Tsunami Watch30Fushsia255 0 255FF00FF
Avalanche Warning31Dodgerblue30 144 2551E90FF
Earthquake Warning32Saddlebrown139 69 198B4513
Volcano Warning33darkslategray47 79 792F4F4F
Ashfall Warning34Darkgray169 169 169A9A9A9
Coastal Flood Warning35Forestgreen34 139 34228B22
Lakeshore Flood Warning36Forestgreen34 139 34228B22
Flood Warning37Lime0 255 000FF00
High Surf Warning38Forestgreen34 139 34228B22
Dust Storm Warning39Bisque255 228 196FFE4C4
Blowing Dust Warning40Bisque255 228 196FFE4C4
Lake Effect Snow Warning41Darkcyan0 139 139008B8B
Excessive Heat Warning42Mediumvioletred199 21 133C71585
Tornado Watch43Yellow255 255 0FFFF00
Severe Thunderstorm Watch44Palevioletred219 112 147DB7093
Flash Flood Watch45Seagreen46 139 872E8B57
Gale Warning46Plum221 160 221DDA0DD
Flood Statement47Lime0 255 000FF00
Wind Chill Warning48Lightsteelblue176 196 222B0C4DE
Extreme Cold Warning49Blue0 0 2550000FF
Hard Freeze Warning50Darkviolet148 0 2119400D3
Freeze Warning51Darkslateblue72 61 139483D8B
Red Flag Warning52Deeppink255 20 147FF1493
Storm Surge Watch53Lightpurple219 127 247DB7FF7
Hurricane Watch54Magenta255 0 255FF00FF
Hurricane Force Wind Watch55Darkorchid153 50 2049932CC
Typhoon Watch56Magenta255 0 255FF00FF
Tropical Storm Watch57Lightcoral240 128 128F08080
Storm Watch58Moccasin255 228 181FFE4B5
Hurricane Local Statement59Moccasin255 228 181FFE4B5
Typhoon Local Statement60Moccasin255 228 181FFE4B5
Tropical Storm Local Statement61Moccasin255 228 181FFE4B5
Tropical Depression Local Statement62Moccasin255 228 181FFE4B5
Avalanche Advisory63Peru205 133 63CD853F
Winter Weather Advisory64Mediumslateblue123 104 2387B68EE
Wind Chill Advisory65Paleturquoise175 238 238AFEEEE
Heat Advisory66Coral255 127 80FF7F50
Urban and Small Stream Flood Advisory67Springgreen0 255 12700FF7F
Small Stream Flood Advisory68Springgreen0 255 12700FF7F
Arroyo and Small Stream Flood Advisory69Springgreen0 255 12700FF7F
Flood Advisory70Springgreen0 255 12700FF7F
Hydrologic Advisory71Springgreen0 255 12700FF7F
Lakeshore Flood Advisory72Lawngreen124 252 07CFC00
Coastal Flood Advisory73Lawngreen124 252 07CFC00
High Surf Advisory74Mediumorchid186 85 211BA55D3
Heavy Freezing Spray Warning75Deepskyblue0 191 25500BFFF
Dense Fog Advisory76Slategray112 128 144708090
Dense Smoke Advisory77Khaki240 230 140F0E68C
Small Craft Advisory78Thistle216 191 216D8BFD8
Brisk Wind Advisory79Thistle216 191 216D8BFD8
Hazardous Seas Warning80Thistle216 191 216D8BFD8
Dust Advisory81Darkkhaki189 183 107BDB76B
Blowing Dust Advisory82Darkkhaki189 183 107BDB76B
Lake Wind Advisory83Tan210 180 140D2B48C
Wind Advisory84Tan210 180 140D2B48C
Frost Advisory85Cornflowerblue100 149 2376495ED
Ashfall Advisory86Dimgray105 105 105696969
Freezing Fog Advisory87Teal0 128 128008080
Freezing Spray Advisory88Deepskyblue0 191 25500BFFF
Low Water Advisory89Brown165 42 42A52A2A
Local Area Emergency90Silver192 192 192C0C0C0
Avalanche Watch91Sandybrown244 164 96F4A460
Blizzard Watch92Greenyellow173 255 47ADFF2F
Rip Current Statement93Turquoise64 224 20840E0D0
Beach Hazards Statement94Turquoise64 224 20840E0D0
Gale Watch95Pink255 192 203FFC0CB
Winter Storm Watch96Steelblue70 130 1804682B4
Hazardous Seas Watch97Darkslateblue72 61 139483D8B
Heavy Freezing Spray Watch98Rosybrown188 143 143BC8F8F
Coastal Flood Watch99Mediumaquamarine102 205 17066CDAA
Lakeshore Flood Watch100Mediumaquamarine102 205 17066CDAA
Flood Watch101Seagreen46 139 872E8B57
High Wind Watch102Darkgoldenrod184 134 11B8860B
Excessive Heat Watch103Maroon128 0 0800000
Extreme Cold Watch104Blue0 0 2550000FF
Wind Chill Watch105Cadetblue95 158 1605F9EA0
Lake Effect Snow Watch106Lightskyblue135 206 25087CEFA
Hard Freeze Watch107Royalblue65 105 2254169E1
Freeze Watch108Cyan0 255 25500FFFF
Fire Weather Watch109Navajowhite255 222 173FFDEAD
Extreme Fire Danger110Darksalmon233 150 122E9967A
911 Telephone Outage111Silver192 192 192C0C0C0
Coastal Flood Statement112Olivedrab107 142 356B8E23
Lakeshore Flood Statement113Olivedrab107 142 356B8E23
Special Weather Statement114Moccasin255 228 181FFE4B5
Marine Weather Statement115Peachpuff255 239 213FFDAB9
Air Quality Alert116Gray128 128 128808080
Air Stagnation Advisory117Gray128 128 128808080
Hazardous Weather Outlook118Palegoldenrod238 232 170EEE8AA
Hydrologic Outlook119Lightgreen144 238 14490EE90
Short Term Forecast120Palegreen152 251 15298FB98
Administrative Message121Silver192 192 192C0C0C0
Test122Azure240 255 255F0FFFF
Child Abduction Emergency123Transparent255 255 255FFFFFF
Blue Alert124Transparent255 255 255FFFFFF Help - Hazards Map (2024)


What agency issues local warnings related to severe weather? ›

The National Weather Service is responsible for issuing forecasts, watches and warnings for a variety of weather and water hazards. A “warning” is issued when hazardous weather poses an immediate threat to life or property. However, the process of issuing a warning varies depending on the type of hazard.

What is the local emergency weather app? ›

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What are the color codes for weather? ›

Is there a list of all the warnings and watches and the color codes?
Hazard / Weather Event Click on the Hazard/Weather Event For DefinitionsPriorityColor Name
Tornado Warning2Red
Extreme Wind Warning3Darkorange
Severe Thunderstorm Warning4Orange
Flash Flood Warning5Darkred
90 more rows
Mar 24, 2021

Which branch of NOAA provides forecasts and warnings for hazardous weather events? ›

The Storm Prediction Center (SPC) is part of the National Weather Service (NWS) and the National Centers for Environmental Prediction (NCEP). Our mission is to provide timely and accurate forecasts and watches for severe thunderstorms and tornadoes over the contiguous United States.

What are the three types of emergency alerts? ›

There are three types of warnings that will trigger a Wireless Emergency Alert (WEA). They are Presidental Alerts, Imminent Threat Alerts, and Amber Alerts.

What government agency monitors the weather? ›

National Weather Service (NWS) provides weather, hydrologic, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy.

What is the best weather app for warnings? ›

Clime: NOAA Weather Radar Live

This app provides real-time radar data and alerts for tornadoes and other severe weather and includes a built-in feature that sends alerts for nearby severe weather events. The app is available for both iOS and Android devices.

What is the best severe weather alert app? ›

Storm Shield is an app focused on delivering fast and accurate severe weather alerts to your device. You can customize the alerts you want to receive and even turn off alerts for locations you don't wish to see. Alerts come as voice alerts for tornados, hurricanes, flooding, and other disasters.

What is the best free emergency alert app? ›

Top Free Emergency Notification Software
  • Text-Em-All.
  • DialMyCalls.
  • InformaCast.
  • RedFlag.
  • iLobby.
  • SnapComms.
  • Mobile Text Alerts.
  • SIGNL4.

What is black weather code? ›

Hurricane/severe storm/flooding

Stay indoors during high winds. Stay away from and do not open windows, and keep away from exterior walls and doors.

What does pink on a radar mean? ›

The colors are typically a spectrum. The greens indicate light or moderate rainfall. Yellow, orange, and red indicate moderate to heavy rainfall and can also indicate hail. Whites or blues mean snowfall and pink indicates freezing rain, sleet, or a wintry mix.

What does purple mean on a radar? ›

Purple indicates “range folding”— where the radar cannot determine the radial velocity. Velocity image of a large-scale weather system. denotes the approx. location of the radar.

Is reliable? ›

NOAA provides timely and authoritative information about climate.

What does slgt mean in weather? ›

Severe Weather Risks

2-SLGT (yellow) - Slight risk - An area of organized severe storms, which is not widespread in coverage with varying levels of intensity. 3-ENH (orange) - Enhanced risk - An area of greater (relative to Slight risk) severe storm coverage with varying levels of intensity.

Do tornadoes last longer than hurricanes? ›

The destructive core in hurricanes can be tens of miles across, last many hours and damage structures through storm surge and rainfall-caused flooding, as well as from wind. Tornadoes, in contrast, tend to be a few hundred yards in diameter, last for minutes and primarily cause damage from their extreme winds."

Who is responsible for the monitoring of local severe weather in the US? ›

The NOAA Storm Prediction Center (SPC) located in Norman, OK is the office that monitors and forecasts the potential for severe weather over the 48 continental United States. The information provided by SPC will give you critical information concerning the threat of severe weather at your location.

Which federal agency is responsible for the National Weather Service? ›

The National Weather Service (NWS) is the operational weather services component of the National Oceanic and Atmospheric Administration (NOAA), an agency of the United States Department of Commerce.

Which NOAA organization is responsible for issuing tornado warnings? ›

The Storm Prediction Center (SPC) is part of the National Weather Service (NWS) and the National Centers for Environmental Prediction (NCEP). Our mission is to provide timely and accurate forecasts and watches for severe thunderstorms and tornadoes over the contiguous United States.

What does NWS stand for in weather? ›

The National Weather Service (NWS) > About the NWS. About. We are the National Weather Service. Forecasts and Services. Science and Technology.


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