NOAA Tornado Warnings

The National Weather Service issues warnings for severe weather that are imminent or actively occurring. This layer shows shorter-term warnings for the following events:Special Marine Warnings - potentially hazardous weather conditions of short duration (up to 2 hours) that may include sustained winds or gusts of 39 mph or greater, hail 0.75” or greater in diameter, or waterspouts.Severe Thunderstorm Warnings - storms with winds of 58 mph or higher or hail 1” or greater in diameter.Tornado Warnings - imminent or active tornados.Extreme Wind Warnings - surface winds of 115 mph or greater associated with non-convective, downslope, derecho, or sustained hurricane winds are expected to occur within one hour.Flash Flood Warnings - conditions are favorable for flash flooding. It does not mean that flash flooding will occur, but it is possible.SourceCurrent Warnings: https://www.weather.gov/source/crh/shapefiles/CurrentWarnings.tar.gzSample DataSee Sample Layer Item for sample data during Weather inactivity!Update FrequencyThe service is updated every 5 minutes using the Aggregated Live Feeds methodology.Area CoveredContiguous United StatesWhat can you do with this layer?Customize the display of each attribute by using the Change Style option for any layer.Query the layer to display only specific types of weather watches and warnings.Add to a map with other weather data layers to provide inside on hazardous weather events.Use ArcGIS Online analysis tools, such as Enrich Data, to determine the potential impact of weather events on populations.This map is provided for informational purposes and is not monitored 24/7 for accuracy and currency.If you would like to be alerted to potential issues or simply see when this Service will update next, please visit our Live Feed Status Page!

Data e Risorse

Campo Valore
dcat_issued 2019-06-11T23:26:23.000Z
dcat_modified 2025-09-19T18:52:06.378Z
dcat_publisher_name Esri
guid https://www.arcgis.com/home/item.html?id=bba3d0a070d34cea9a303c24a71d5190&sublayer=1
Tag
  • Esri
  • Flash Flood
  • Hazards
  • Landscape
  • Live Feeds
  • Marine
  • NOAA
  • NOAA_short_term_warnings
  • NWS
  • Risk
  • Severe Weather
  • Thunderstorm
  • Tornado
  • Weather
  • earth observations
  • esri_environment
  • hosted
  • livefeeds
isopen False
metadata_created 2025-09-19T01:26:58.623457
metadata_modified 2025-09-19T19:02:22.755189
notes The National Weather Service issues warnings for severe weather that are imminent or actively occurring. This layer shows shorter-term warnings for the following events:<br /><ul><li>Special Marine Warnings - potentially hazardous weather conditions of short duration (up to 2 hours) that may include sustained winds or gusts of 39 mph or greater, hail 0.75” or greater in diameter, or waterspouts.</li><li>Severe Thunderstorm Warnings - storms with winds of 58 mph or higher or hail 1” or greater in diameter.</li><li>Tornado Warnings - imminent or active tornados.</li><li>Extreme Wind Warnings - surface winds of 115 mph or greater associated with non-convective, downslope, derecho, or sustained hurricane winds are expected to occur within one hour.</li><li>Flash Flood Warnings - conditions are favorable for flash flooding. It does not mean that flash flooding will occur, but it is possible.<br /></li></ul><div><span style='font-weight:bold;'>Source</span></div><div><ul><li>Current Warnings: <a href='https://www.weather.gov/source/crh/shapefiles/CurrentWarnings.tar.gz' target='_blank' rel='nofollow ugc noopener noreferrer'>https://www.weather.gov/source/crh/shapefiles/CurrentWarnings.tar.gz</a></li></ul></div><div><div><span style='font-weight:bold;'>Sample Data</span></div><ul><li>See <a href='https://www.arcgis.com/home/item.html?id=e4fae351de854847acbfc46426c7f6c3' target='_blank' rel='nofollow ugc noopener noreferrer'>Sample Layer Item</a> for sample data during Weather inactivity!</li></ul></div><span style='font-weight:bold;'>Update Frequency</span><br /><ul><li>The service is updated every 5 minutes using the <a href='https://www.esriurl.com/LiveFeed' target='_blank' rel='nofollow ugc noopener noreferrer'>Aggregated Live Feeds methodology</a>.</li></ul><span style='font-weight:bold;'>Area Covered</span><div><ul><li>Contiguous United States</li></ul><font size='3'>What can you do with this layer?</font></div><div><ul><li>Customize the display of each attribute by using the Change Style option for any layer.</li><li>Query the layer to display only specific types of weather watches and warnings.</li><li>Add to a map with other weather data layers to provide inside on hazardous weather events.</li><li>Use ArcGIS Online analysis tools, such as Enrich Data, to determine the potential impact of weather events on populations.</li></ul><span style='color:rgb(128, 128, 128);'><span style='background-color:rgb(255, 255, 255);'>This map is provided for informational purposes and is not monitored 24/7 for accuracy and currency.</span></span><div><br /></div>If you would like to be alerted to potential issues or simply see when this Service will update next, please visit our <a href='https://livingatlas.arcgis.com/livefeeds-status/' target='_blank' rel='nofollow ugc noopener noreferrer'>Live Feed Status</a> Page!</div>
num_resources 6
num_tags 18
title NOAA Tornado Warnings
url https://prep-response-portal.napsgfoundation.org/datasets/esri2::noaa-tornado-warnings