Excessive High Heat Alert: Be Careful Out There!

Excessive High Heat Alert Issued for Niagara

July 12 – An excessive high heat alert is in effect for the Niagara region.

A high heat alert in the Niagara area is initiated in the following circumstances:

  • The humidex is forecast to rise to 40 C or higher
  • The humidex is forecast to rise to 38 C or higher, and a smog alert
  • Environment Canada issues a humidex warning for the Niagara area

Precautions to Take during Excessive High Heat

During an excessive high heat alert, residents should:

  • Plan outdoor activities during cooler parts of the day
  • Rest frequently in shaded areas
  • Drink plenty of fluids (unless fluid is restricted by your physician)
  • Never leave infants, children or pets in a parked car
  • Dress in cool, loose clothing and shade your head with a hat or umbrella
  • Take cool showers or baths until you feel refreshed

Heat Stroke is a Medical Emergency

Call 911 if you are caring for someone who has a high body temperature and is either unconscious, confused or has stopped sweating.

A person with heat stroke may feel one or more of the following symptoms:

  • Confusion
  • Dizziness
  • Nausea
  • Muscle swelling
  • Heart disturbances
  • Headache

Other symptoms include seizure, unconsciousness and/or coma. Seek immediate medical attention for heat stroke.

People at High Risk during Excessive High Heat

During excessive high heat everyone is at risk, but those most at risk of developing a heat-related illness include:

  • Infants
  • Children
  • Elderly
  • People with high blood pressure, heart and/or respiratory problems
  • People who are on medication
  • People who work or exercise outdoors

Check on elderly or shut-in neighbours during an Excessive High Heat Alert. You could save a life.

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