WUCN11 CWTO 150134

YELLOW WARNING - SEVERE THUNDERSTORM

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 9:34 P.M. EDT TUESDAY 14 JULY 2026.

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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:

=NEW= OTTAWA NORTH - KANATA - ORLEANS

=NEW= SMITHS FALLS - PERTH - EASTERN LANARK COUNTY

      RENFREW - ARNPRIOR - CALABOGIE.



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IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



UPDATED OR ENDED BY 11:33 P.M. EDT.



AT 9:34 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A 

SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND GUSTS, LOONIE 

TO PING PONG BALL SIZE HAIL AND HEAVY RAIN.



THUNDERSTORM LOCATION: 

OVER RENFREW 



MOTION: 

MOVING QUICKLY TO THE EAST AT 90 KM/H 



HAZARDS: 

WIND: STRONG (90 KM/H) 

HAIL: UP TO TOONIE SIZE (3 CM) 

RAIN: HEAVY (20 - 40 MM) 



LOCATIONS IN THE PATH: 

RENFREW, WHITE LAKE, BRAESIDE, ARNPRIOR, FITZROY HARBOUR, PAKENHAM, 

ALMONTE, CARP, KANATA



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. DON'T DRIVE THROUGH FLOODED ROADWAYS. 



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