Severe Weather Hazard Mapping
Severe, or extreme, weather hazards are weather conditions that pose a threat to human life or property. Severe weather hazards include high winds, heavy rainfall, hail, lightning, extreme heat, drought, severe winter storms, and more. Because of their significance and unique properties, we gave tornadoes and hurricanes, wildfires, flooding, landslides, and avalanches. separate web pages for the purposes of this website. In addition, severe weather can often be a contributing factor for other natural hazards such as
USA Average Precipitation - click on lower right
Maps are used to track historic severe weather events. Weather services use maps to issue severe weather forecasts, watches and warnings. Maps of areas of elevated severe weather hazard may be used to help prevent losses due to future events.
In the United States, NOAA and the National Weather service issue warnings when atmospheric conditions are conducive to severe weather. All areas of the United States are affected by severe weather. FEMA, and other federal, state, or local agencies may be involved as well. Some resources for maps of weather hazards are listed below.
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Lightning strikes during thunderstorm.
Photo-C. Clark, Courtesy NOAA
NOAA National Weather Service - NWS homepage includes map and search- based weather, climate, and environmental hazard warnings, watches, forecasts, data etc.
NWS Natural Hazard Statistics - Provides statistical information on fatalities, injuries, and damages from weather-related hazards.
NOAAWatch - NOAA's All Hazards Monitor. Maps depicting hazard-related themes and links to hazards info.
For state-specific information, contact your State Geologist and your State Office of Emergency Management. At a local level, contact your city or county emergency management, planning, zoning, environmental and/or health office/department.
American Red Cross - Natural disaster preparedness and relief.