WUCN11 CWTO 031901

SEVERE THUNDERSTORM WARNING

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 3:01 P.M. EDT THURSDAY 3 JULY 2025.

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SEVERE THUNDERSTORM WARNING FOR:

=NEW= WESTPORT - CHARLESTON LAKE

=NEW= MERRICKVILLE-WOLFORD - KEMPTVILLE

=NEW= WINCHESTER - NEWINGTON

      OTTAWA SOUTH - RICHMOND - METCALFE

      SMITHS FALLS - PERTH - EASTERN LANARK COUNTY.



SEVERE THUNDERSTORM WARNING ENDED FOR:

      OTTAWA NORTH - KANATA - ORLEANS

      GATINEAU

      PLEVNA - SHARBOT LAKE - WESTERN LANARK COUNTY.



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==DISCUSSION==



UPDATED OR ENDED BY 4:59 P.M. EDT.



AT 3:00 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A 

SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND GUSTS AND UP TO 

NICKEL SIZE HAIL.



THIS CLUSTER OF SEVERE THUNDERSTORMS IS LOCATED FROM EMBRUN TO 

GLENVIEW, MOVING SOUTH AT 60 KM/H. 



HAZARD: 

90 KM/H WIND GUSTS AND QUARTER SIZE HAIL. 



LOCATIONS IMPACTED INCLUDE: 

SMITHS FALLS, MERRICKVILLE, RIDEAU RIVER PROVINCIAL PARK, KEMPTVILLE 

AND WINCHESTER.



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. 



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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