307
WUCN11 CWTO 280257
YELLOW WARNING - SEVERE THUNDERSTORM
FOR SOUTHERN ONTARIO
ISSUED BY ENVIRONMENT CANADA
AT 10:57 P.M. EDT MONDAY 27 JULY 2026.
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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:
=NEW= WESTERN ALGONQUIN PARK - LAKE OF TWO RIVERS
=NEW= SOUTH RIVER - BURK'S FALLS.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
UPDATED OR ENDED BY 12:56 A.M. EDT.
AT 10:57 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING VERY HEAVY RAIN.
NUMEROUS THUNDERSTORMS ARE AFFECTING THE REGION.
MOTION:
SLOWLY SOUTHEASTWARD.
HAZARDS:
RAIN: VERY HEAVY (50 - 100 MM)
HEAVY RAIN MAY CAUSE FLASH FLOODING AND SIGNIFICANT REDUCTIONS TO
VISIBILITY. FAST-MOVING AND RAPIDLY RISING WATER CAN SWEEP VEHICLES
AWAY AND DAMAGE INFRASTRUCTURE.
SEVERE THUNDERSTORM WARNINGS ARE ISSUED WHEN IMMINENT OR OCCURRING
THUNDERSTORMS ARE EXPECTED TO PRODUCE DAMAGING HAIL, WIND OR RAIN.
EMERGENCY MANAGEMENT ONTARIO RECOMMENDS THAT YOU TAKE COVER
IMMEDIATELY IF THREATENING WEATHER APPROACHES.
PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY
ENVIRONMENT CANADA.
TO REPORT SEVERE WEATHER IN ONTARIO, SEND AN EMAIL TO
ONSTORM(AT)EC.GC.CA OR POST REPORTS ON SOCIAL MEDIA USING
(HASH)ONSTORM.
FOR MORE INFORMATION:
HTTPS://WWW.ONTARIO.CA/PAGE/BE-PREPARED-EMERGENCY.
HTTP://WEATHER.GC.CA
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