Aviation – GIS Weather Data – Shapefiles
Reading Time: < 1 minuteEcho Tops International Sigmets Temporary Flight Restrictions Volcanic Ash Areas Volcano Locations Forecast Cloud Ceilings Forecast Convective Activity Forecast Tropical Cyclone Locations Forecast Flight Conditions Forecast Jet Streams Forecast Tropopause Height Contours Volcanic Ash Area Advisories Convective SIGMET Advisories SIGMET Advisories AIRMET IFR/Mountain Obscuration Advisories AIRMET Turbulence Advisories AIRMET Icing Advisories
AIRMET Icing Advisories
Reading Time: 3 minutesProduct Description Abstract: This polygon shapefile, which covers the contiguous United States and surrounding waters, identifies areas of potential aircraft icing and icing type and severity based on advisories from the National Weather Service Aviation Weather Center. AIRMET icing shapefiles are updated hourly. Purpose: This shapefile can be used to plan flight routes and manage aircraft around
Read MoreAIRMET Turbulence Advisories
Reading Time: 3 minutesProduct Description Abstract: This polygon shapefile, which covers the contiguous United States and surrounding waters, identifies areas of atmospheric turbulence and turbulence severity based on advisories from the National Weather Service Aviation Weather Center. AIRMET turbulence shapefiles are updated hourly. Purpose: This shapefile can be used to plan flight routes and manage aircraft around atmospheric turbulence threats.
Read MoreAIRMET IFR/Mountain Obscuration Advisories
Reading Time: 2 minutesProduct Description Abstract: This polygon shapefile, which covers the contiguous United States and surrounding waters, identifies areas of low cloud ceilings, low surface visibilities or mountain tops obscured by clouds based on advisories from the National Weather Service Aviation Weather Center. AIRMET IFR/Mountain Obscuration shapefiles are updated hourly. Purpose: This shapefile can be used to plan flight
Read MoreSIGMET Advisories
Reading Time: 2 minutesProduct Description Abstract: This polygon shapefile, which covers the contiguous United States and surrounding waters, identifies widespread areas of potentially hazardous high-level flight weather (other than convective activity), including severe icing, severe or extreme turbulence, reduced visibility from dust storms and sandstorms, and volcanic ash. It is based on advisories from the National Weather Service Aviation
Read MoreConvective SIGMET Advisories
Reading Time: 3 minutesProduct Description Abstract: This polygon shapefile, which covers the contiguous United States and surrounding waters, identifies areas of potential thunderstorm activity based on advisories from the National Weather Service Aviation Weather Center. Convective SIGMET shapefiles are updated hourly. Purpose: This shapefile can be used to plan flight routes and manage aircraft around thunderstorm threats. Description: DTN decodes and
Read MoreVolcanic Ash Area Advisories
Reading Time: 3 minutesProduct Description Abstract: This polygon shapefile represents potential areas of ash generated by active volcanoes around the world. It is produced from bulletins create by regional Volcanic Ash Advisory Centers (VAAC) and updated by DTN once each hour. Purpose: This shapefile can be used to plan flight routes and manage aircraft around volcano threats. Description: This polygon shapefile
Read MoreForecast Tropopause Height Contours
Reading Time: < 1 minuteProduct Description Abstract: These polygon shapefiles identify worldwide forecast tropopause height contours at 6, 12, 18 and 24 hours into the future based on modeled weather data. Tropopause height forecast shapefiles are updated every 6 hours. Purpose: These shapefiles can be used to plan flight routes and manage aircraft around high-altitude performance threats. Description: These worldwide polygon shapefiles
Read MoreForecast Jet Streams
Reading Time: 2 minutesProduct Description Abstract: These polyline shapefiles identify worldwide forecasts of jet steam axis locations at 6, 12, 18 and 24 hours into the future based on analyses of upper level wind products by DTN meteorologists. Jet stream forecast shapefiles are updated every 6 hours. Purpose: These shapefiles can be used to plan flight routes and manage aircraft
Read MoreForecast Flight Conditions
Reading Time: 2 minutesProduct Description Abstract: These polygon shape files depict the lowest flight rules (the combination of cloud ceilings and surface visibility) forecast during each of the next 1, 2, …, 23 hours. The forecasts are created by DTN meteorologists, and are updated every hour. Purpose: These shapefiles can be used for flight planning, airport and helicopter operations, and
Read MoreForecast Tropical Cyclone Locations
Reading Time: 2 minutesProduct Description Abstract: These point shapefiles identify forecast worldwide locations of currently active tropical systems at 6, 12, 18 and 24 hours into the future. Tropical cyclone forecast locations are updated every 6 hours. Purpose: These shapefiles can be used to plan flight routes and manage aircraft around tropical storm threats. Description: This worldwide point shapefile contains locations
Read MoreForecast Convective Activity
Reading Time: 2 minutesProduct Description Abstract: These polygon shape files depict areas where thunderstorm activity is forecast to occur during each of the next 1, 2, …, 23 hours. The forecasts are created by DTN meteorologists, and are updated every hour. Purpose: These shapefiles can be used for flight planning, airport and helicopter operations, and other applications impacted by the
Read MoreForecast Cloud Ceilings
Reading Time: 2 minutesProduct Description Abstract: These polygon shapefiles contains a contoured analysis of forecast cloud ceiling heights valid at 1, 2, …, 23 hours into the future for North America. Forecasts are generated from modeled weather data, and are updated every hour. Purpose: These shapefiles can be used to plan flight routes and manage aircraft around visibility threats. Description: Cloud
Read MoreVolcano Locations
Reading Time: < 1 minuteProduct Description Abstract: This worldwide point shapefile represents known locations of active and inactive volcanoes. It is produced by DTN meteorologists and updated once a day. Purpose: This shapefile can be used to plan flight routes and manage aircraft around volcano threats. Description: This worldwide point shapefile contains known locations and names of active and inactive volcanoes. This
Read MoreVolcanic Ash Areas
Reading Time: 2 minutesProduct Description Abstract: This polygon shapefile represents potential area of ash generated by active volcanoes around the world. It is produced by DTN meteorologists and updated once a day. Purpose: This shapefile can be used to plan flight routes and manage aircraft around volcano threats. Description: This polygon shapefile represents potential area of ash generated by active volcanoes
Read MoreTemporary Flight Restrictions
Reading Time: 6 minutesAbstract: This polygon shapefile contains Federal Aviation Administration temporary flight restrictions (TFR) for the continental United States, Alaska and Hawaii. New TFRs are added to the shapefile as they become available. TFRs shapefiles are potentially updated every 10 minutes, but at least once an hour. Purpose: This shapefile can be used to plan flight routes
Read MoreInternational Sigmets
Reading Time: 3 minutesProduct Description Abstract: This polygon shapefile, which covers the world, identifies areas of potentially hazardous high-level flight weather, including hail, cumulonimbus clouds, thunderstorms, tropical cyclones, moderate or severe turbulence, severe icing, mountain wave turbulence, duststorms, sandstorms and volcanic ash. It is based on advisories international SIGMET advisories, and is updated every 10 minutes. Purpose: This shapefile can
Read MoreEcho Tops
Reading Time: 2 minutesProduct Description Abstract: This point shapefile, which covers the contiguous United States and surrounding waters, identifies the highest elevation at which precipitation is detected by weather radar in an area of precipitation. It is produced from NEXRAD Decoded Attribute Table information, and is nominally updated every five minutes. Purpose: This shapefile can be used to
Read MoreAviation – GIS Weather Data – Shapefiles
Reading Time: < 1 minuteEcho Tops International Sigmets Temporary Flight Restrictions Volcanic Ash Areas Volcano Locations Forecast Cloud Ceilings Forecast Convective Activity Forecast Tropical Cyclone Locations Forecast Flight Conditions Forecast Jet Streams Forecast Tropopause Height Contours Volcanic Ash Area Advisories Convective SIGMET Advisories SIGMET Advisories AIRMET IFR/Mountain Obscuration Advisories AIRMET Turbulence Advisories AIRMET Icing Advisories
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