WWCN11 CWTO 021603

YELLOW WATCH - SEVERE THUNDERSTORM

FOR SOUTHERN ONTARIO

ISSUED BY ENVIRONMENT CANADA

AT 12:03 P.M. EDT THURSDAY 2 JULY 2026.

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YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - FOR:

      CITY OF OTTAWA

      GATINEAU

      PRESCOTT AND RUSSELL

      CORNWALL - MORRISBURG.



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IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF SEVERE 

THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING STRONG WIND GUSTS, 

LARGE HAIL AND HEAVY RAIN.



WHAT: 

WIND GUSTS NEAR 100 KM/H. 

HEAVY RAIN, POSSIBLY EXCEEDING 40 MM. 

UP TO PING PONG BALL SIZED HAIL. 

RISK OF TORNADOES. 



WHEN: 

THIS AFTERNOON AND EVENING. 



ADDITIONAL INFORMATION: 

THUNDERSTORMS MAY DEVELOP OVER THE AREA. STRONG WIND GUSTS, LARGE 

HAIL AND HEAVY RAIN ARE THE MAIN THREATS. THERE IS ALSO A RISK OF 

TORNADOES.



DRIVING CONDITIONS MAY BE DIFFICULT. LOCAL UTILITY OUTAGES ARE 

POSSIBLE. THERE IS A RISK OF INJURY. WHEN THUNDER ROARS, GO 

INDOORS(EXCLAMATION MARK) LIGHTNING KILLS AND INJURES CANADIANS 

EVERY YEAR. 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. TO 

REPORT SEVERE WEATHER IN GATINEAU, SEND AN EMAIL TO 

ONSTORM(AT)EC.GC.CA OR POST REPORTS ON X USING (HASH)QCSTORM. 



FOR MORE INFORMATION: 

HTTPS://WWW.ONTARIO.CA/PAGE/BE-PREPARED-EMERGENCY.



HTTP://WEATHER.GC.CA



END/OSPC