163
WUCN11 CWTO 031928
YELLOW WARNING - SEVERE THUNDERSTORM
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 3:28 P.M. EDT FRIDAY 3 JULY 2026.
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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:
PICKERING - OSHAWA - SOUTHERN DURHAM REGION.
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:
NEWMARKET - GEORGINA - NORTHERN YORK REGION
UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
UPDATED OR ENDED BY 5:27 P.M. EDT.
AT 3:28 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WIND GUSTS, UP TO
QUARTER SIZE HAIL AND HEAVY RAIN.
THUNDERSTORM LOCATION:
WHITBY AND OSHAWA
MOTION: MOVING SOUTHEAST AT 50 KM/H
HAZARDS:
WIND: STRONG (UP TO 100 KM/H)
HAIL: UP TO QUARTER SIZE (UP TO 2.5 CM)
RAIN: HEAVY (UP TO 50 MM)
LOCATIONS IN THE PATH:
BROOKLIN, AJAX, WHITBY, OSHAWA, BOWMANVILLE
SOME TRAVEL DELAYS ARE LIKELY. DRIVING CONDITIONS WILL LIKELY BE
DIFFICULT. LOCAL UTILITY OUTAGES ARE LIKELY. LARGE HAIL MAY CAUSE
SIGNIFICANT DAMAGE AND INJURY. TAKE IMMEDIATE COVER IF A
THUNDERSTORM APPROACHES. IF OUTSIDE, PROTECT YOURSELF FROM FLYING
DEBRIS AND HAIL. WHEN THUNDER ROARS, GO INDOORS(EXCLAMATION MARK)
LIGHTNING KILLS AND INJURES CANADIANS EVERY YEAR. 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 X USING (HASH)ONSTORM.
FOR MORE INFORMATION:
HTTPS://WWW.ONTARIO.CA/PAGE/BE-PREPARED-EMERGENCY.
HTTP://WEATHER.GC.CA
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