
Source: NOAA NWS (http://www.spc.noaa.gov/wcm/)
Excessive Heat
Extreme heat conditions (e.g., heat waves) can occur in most regions of the U.S. High temperatures combined with humidity can be extremely hazardous and can result in heat-related illnesses and even death. The Heat Index Chart is used to help monitor extreme heat conditions. The heat index is the temperature the body feels when the effects of temperature and humidity are combined and indicates the likelihood for heat disorders, especially with prolonged exposure or strenuous activity. Heat advisories are initiated when the heat index is expected to exceed 105-110°F for at least two consecutive days.
Extreme heat and high humidity situations can be life threatening, but knowing those at greatest risk and taking the necessary precautions can help to prevent this from occurring. Most cases of illnees or death occur in individuals that have been overexposed to heat or have over-exercised for their age or physical condition. Young children, the elderly, individuals with chronic illnesses or obesity are at highest risk, but even young and healthy individuals be affected if they participate in strenuous physical activities during hot weather without taking precautions. Animals can also suffer heat-related illnesses, which can also be life threatening.
The following resources will help you prepare your family, home and farm, animals and business for excessive heat situations.
Excessive Heat Preparedness Factsheets
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• Excessive Heat and Your Family (pdf, 1 page) • More Family Resources |
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• Excessive Heat and Your Home (pdf, 1 page) • More Home Resources |
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• Excessive Heat and Your Pets (pdf, 1 page) • Excessive Heat and Your Livestock (pdf, 1 page) • More Animal Resources |
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• Excessive Heat and Your Farm (pdf, 1 page) • More Farm Resources |
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• Excessive Heat and Your Business (pdf, 1 page) • More Business Resources |
Additional Web Resources
Website with tips on heat prevention, affects on elderly and what you should know about heat.
Centers for Disease Control and Prevention (CDC)
Website with information and links for preparing for extreme heat situations.
Environmental Protection Agency (EPA)
Website with extreme heat terms, as well as how to prepare for extreme heat, what to do during and after.
Federal Emergency Management Agency (FEMA)
Factsheet discusses how to identify and respond to heat stress situations involving cattle.
South Dakota State University Cooperative Extension Service
ASPCA Blog discussing ways to prevent pets from having a heat stroke
The American Society for the Prevention of Cruelty to Animals (ASPCA)
Document on extreme heat emergencies, how to prepare before they occur, and treat heat-related illnesses.
National Disaster Education Coalition
Factsheet discusses symptoms of heat stroke and exhaustion and the emergency procedures associated with these illnesses.
Ohio State University Extension
Factsheet includes indicators of heat stress, suggestions for reducing heat stress in dairy cattle.
University of Arkansas Division of Agriculture Cooperative Extension Service
Animals considerations in heat
South Dakota State University Cooperative Extension Service
Website of information about heat wave warnings, hazards and preventive actions.
National Weather Service (NOAA NWS)
ASPCA Blog listing precautions to help prevent pets from overheating
The American Society for the Prevention of Cruelty to Animals (ASPCA)
ASCPA Blog containing pet safety tips for the summertime
The American Society for the Prevention of Cruelty to Animals (ASPCA)
Companion animals and excessive heat.
The American Society for the Prevention of Cruelty to Animals (ASPCA)
Factsheet discussing ways to manage heat stress in feedlot operations.
University of Minnesota Extension
Information on recognizing and treating different types of heat related illness.
National Safety Council





