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Heat Advisory

Posted: August 7, 2018

Temperatures for Southern Manitoba are forecast to remain hot
for an extended period.  Please be prepared for the heat.  

How does heat affect my body?
Exposure to heat can lead to a variety of symptoms ranging from mild to more severe and may include: 
  • headache
  • nausea
  • dizziness
  • weakness or tiredness
  • fainting
  • confusion
  • swelling of the ankles, feet or hands
  • muscle cramps
  • rapid breathing or rapid pulse
  • dehydration
  • elevated body temperature 

What are the symptoms of heat exhaustion? 
Heat exhaustion occurs when the body loses too much water and salt.
Symptoms can include:
  • headache
  • nausea
  • muscle cramps
  • pale and clammy skin
  • dizziness or fainting
  • rapid breathing and/or heartbeat 
If you or someone you know experiences any of these symptoms, move to a cool or shaded place immediately, drink sips of water, lie down and sponge yourself with cool water, if possible. 

What is heat stroke? 

Heat stroke (sun stroke) is the most serious type of heat illness and requires urgent medical attention. If someone you know experiences signs of heat stroke, dial 911 immediately. During heat stroke a person will have a core body temperature that is above 40ºC (105ºF).
Symptoms of heat stroke may include:
  • headache
  • red, hot, and dry skin
  • dizziness
  • confusion
  • nausea
  • rapid weak pulse
  • a complete or partial loss of consciousness
While waiting for help to arrive, immediately move the person to a cool place, sponge large areas of the skin with cold water and fan the person as much as possible. The longer a person’s body temperature is above 40ºC (105ºF), the greater the likelihood of permanent effects or death.


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