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Education

Hazards: Extreme Heat

Temperatures that hover 10 degrees or more above the average high temperature for the region and last for several weeks are defined as extreme heat. Humid or muggy conditions, which add to the discomfort of high temperatures, occur when a "dome" of high atmospheric pressure traps hazy, damp air near the ground. Excessively dry and hot conditions can provoke dust storms and low visibility. Droughts occur when a long period passes without substantial rainfall. A heat wave combined with a drought is a very dangerous situation.

For more information, visit: www.fema.gov/hazards/extremeheat/.

Other Hazards:
Thunderstorms
Lightning
Tornadoes
Hurricanes
Floods
Winter
Earthquakes
Fire
Nuclear
Terrorism




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