WWCN11 CWTO 030245

SEVERE THUNDERSTORM WATCH

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 10:45 P.M. EDT WEDNESDAY 2 JULY 2025.

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SEVERE THUNDERSTORM WATCH FOR:

      WINDSOR - ESSEX - CHATHAM-KENT

      SARNIA - LAMBTON

      ELGIN

      LONDON - MIDDLESEX

      SIMCOE - DELHI - NORFOLK

      WOODSTOCK - TILLSONBURG - OXFORD COUNTY

      GODERICH - BLUEWATER - SOUTHERN HURON COUNTY

      STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY.



SEVERE THUNDERSTORM WATCH ENDED FOR:

      WINGHAM - BLYTH - NORTHERN HURON COUNTY

      LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY.



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==DISCUSSION==



CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF SEVERE 

THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING STRONG WIND GUSTS AND 

LARGE HAIL.



WHAT: 

WIND GUSTS OF 90 KM/H. 

HAIL UP TO 3 CM. 



WHEN: 

CONTINUING THIS EVENING. 



ADDITIONAL INFORMATION: 

ISOLATED THUNDERSTORMS ARE EXPECTED OVER THE AREA. THESE 

THUNDERSTORMS ARE EXPECTED TO MOVE EAST OF THE AREA LATER THIS 

EVENING.



LOCAL UTILITY OUTAGES ARE POSSIBLE. WHEN THUNDER ROARS, GO 

INDOORS(EXCLAMATION MARK) LIGHTNING KILLS AND INJURES CANADIANS 

EVERY YEAR. SECURE LOOSE OBJECTS. 



STRONG WIND GUSTS CAN DAMAGE TREES, BUILDINGS AND OVERTURN VEHICLES. 



SEVERE THUNDERSTORM WATCHES ARE ISSUED WHEN CONDITIONS ARE 

FAVOURABLE FOR THE DEVELOPMENT OF THUNDERSTORMS CAPABLE OF PRODUCING 

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



END/OSPC