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Wondering what you missed overnight or what you can expect for the day ahead? Here's your weather briefing for Tuesday, July 22.

Four things you need to know about Tuesday, July 22

Find Your Forecast
    Andrea Bagley
    Digital Reporter

    Tuesday, July 22, 2014, 9:24 AM - Wondering what you missed overnight or what you can expect for the day ahead? 

    Here's your weather briefing for Tuesday, July 22.

    1. High heat invades the east

    Several communities wrote a new page in the record book Monday as daytime highs soared into the high 20s and 30s.

    A warm southwesterly flow will persist over Newfoundland through Wednesday with increasing humidity levels expected.

    "By Wednesday afternoon humidex values are expected to reach 35 to 38," says Environment Canada in a special weather statement issued early Tuesday. "Persons engaging in outdoor activities should drink plenty of liquids, especially water, before feeling thirsty, to decrease risk of dehydration. Consider scheduling outdoor activities during the cooler parts of the day."

    2. Severe thunderstorms bring torrential rain to northern Ontario

    A line of storms stretching from near Lake Nipigon to eastern Lake Superior prompted severe thunderstorm watches warning for parts of northern Ontario early Tuesday.

    "The Thunder Bay airport received 49 millimetres of rain in approximately one hour with these thunderstorms earlier this morning," Environment Canada said.

    EXTENDED ACTIVE WEATHER COVERAGE: Tune in to The Weather Network for live updates on the summer storms in your area. Our team of reporters and meteorologists in the field provide you with the most accurate and up-to-date coverage.

    Officials warn that fast moving water across a road can sweep a vehicle away.

    "Remember, severe thunderstorms can also produce tornadoes," EC warns. "Be prepared for severe weather. Take cover immediately, if threatening weather approaches."

    A heat warning is also in effect for some places as a warm and humid airmass remains in place.

    "A Bermuda High is expected to generate hot and humid conditions today," the warning reads. "Humidex values approaching 40 are expected this afternoon."

    Residents are being urged to drink plenty of liquids especially water and to avoid sun exposure.

    Shading yourself by wearing a wide-brimmed, breathable hat or using an umbrella is recommended.

    3. Funnel cloud chase in Alberta

    While no tornado watches and warnings were issued, severe thunderstorms produced this funnel cloud in Donalda, Alberta on Monday.

    No tornado touch downs were reported and the severe storm risk continued to ease through the evening.

    There's a chance for more isolated severe thunderstorms on Tuesday with the greatest risk along the Alberta/Saskatchewan border.

    4. Air quality slightly improves in B.C.

    The poor air quality risk isn't as widespread across B.C., but a wildfire smoke advisory remains in effect for some communities.

    "The B.C. Ministry of Environment has issued a wildfire smoke advisory for East Columbia including the town of Golden, West Kootenay including Castlegar, Kootenay Lake including Creston and their surrounding areas."

    Persons with chronic underlying medical conditions should postpone strenuous exercise until the advisory is lifted, officials warn.

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