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KFL&A Public Health Issues Heat Warning

July 5, 2019 –

KFL&A Public Health is issuing a heat warning to advise residents in Kingston, Frontenac and Lennox & Addington area that the hot and humid weather that will be affecting parts of this area, may have adverse health effects.  According to Environment Canada, the hot weather conditions will continue into Saturday, July 6, 2019. Daytime high temperatures are anticipated to be in the low- to mid-thirties with humidex values near 40 can be expected this afternoon. Overnight low temperatures may not go below twenty degrees Celsius.

On Saturday, July 6, 2019 temperatures will remain near thirty with humidex values in the upper thirties; however, with the passage of a cold front, cooler temperatures and lower humidity is expected for the remainder of the weekend.

A heat warning is issued by Environment Canada for the KFL&A area when the forecasted maximum temperature is expected to be greater than or equal to 31 degrees Celsius and the lowest nighttime temperature is anticipated to be at or above 20 degrees Celsius for a period of two days or longer. A warning will also be issued if the anticipated humidex is 40 degrees Celsius or warmer for a period of two days or longer.

Humidex values describe how the hot and humid weather feels to the average person. It combines the temperature and humidity readings into one number to reflect the perceived temperature.  The higher the humidex, the harder it is for perspiration to evaporate to cool the body.

During heat events everyone is at risk; however, the health risks are greatest for:

  • older adults,
  • infants and young children,
  • people with chronic illnesses or who take certain medications,
  • people who work or who exercise in the heat, and
  • people without access to air-conditioned spaces.

Being prepared is key to protecting communities from negative health impacts.  KFL&A Public Health recommends taking the following actions to stay cool:

  • Drinking plenty of cool liquids, especially water, before feeling thirsty.
  • Avoiding direct sun exposure, for example, by sitting under a tree, wearing a wide-brimmed, breathable hat, or using an umbrella.
  • Taking a break from the heat by spending a few hours in a cool place; take cool showers.
  • Rescheduling strenuous outdoor activity or planning outdoor activities during cooler parts of the day.
  • Wearing loose-fitting, light-coloured clothing made of breathable fabric.
  • Blocking the sun out by closing awnings, curtains or blinds during the day.
  • Never leaving people or pets in your care inside a parked vehicle or in direct sunlight.

KFL&A Public Health encourages people to visit neighbours, friends, and older family members frequently, especially those who are chronically ill, and those at higher risk, to make sure that they are cool and hydrated.

More information on protective measures can be found on KFL&A Public Health's website www.kflaph.ca