WUCN11 CWTO 030019

SEVERE THUNDERSTORM WARNING

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 8:19 P.M. EDT WEDNESDAY 2 JULY 2025.

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SEVERE THUNDERSTORM WARNING FOR:

      PRESCOTT AND RUSSELL

      CORNWALL - LANCASTER

      MAXVILLE - ALEXANDRIA.



SEVERE THUNDERSTORM WARNING ENDED FOR:

      WINCHESTER - NEWINGTON.



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==DISCUSSION==



UPDATED OR ENDED BY 10:18 P.M. EDT.



AT 8:19 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A 

SEVERE THUNDERSTORM CAPABLE OF PRODUCING VERY STRONG WIND GUSTS, UP 

TO TOONIE SIZE HAIL AND HEAVY RAIN.



THIS AREA OF SEVERE THUNDERSTORMS IS LOCATED FROM 11 KILOMETRES 

NORTH OF NEWINGTON TO BOURGET TO LAGGAN, MOVING EAST AT 40 KM/H. 



HAZARD: 90 KM/H WIND GUSTS AND QUARTER SIZE HAIL. 



LOCATIONS IMPACTED INCLUDE: 

MAXVILLE, ALEXANDRIA, LANCASTER, CASSELMAN, LEMIEUX, TAYSIDE, 

BLOOMINGTON, MONKLAND, ST. ELMO, DOMINIONVILLE, BONVILLE, DUNVEGAN, 

STRATHMORE, SKYE, MARTINTOWN, AVONDALE, FASSIFERN, GLENBROOK, 

WILLIAMSTOWN AND BAINSVILLE.



LOCAL UTILITY OUTAGES ARE LIKELY. DAMAGE TO ROOFS, FENCES, SOFT 

SHELTERS OR TREES IS 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. 



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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