WUCN11 CWTO 150313

YELLOW WARNING - SEVERE THUNDERSTORM

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 11:13 P.M. EDT TUESDAY 14 JULY 2026.

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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:

=NEW= PRESCOTT AND RUSSELL

      CITY OF OTTAWA

      GATINEAU

      SMITHS FALLS - LANARK - SHARBOT LAKE.



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IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



UPDATED OR ENDED BY 1:12 A.M. EDT.



AT 11:13 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A 

CLUSTER OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING STRONG WIND 

GUSTS, UP TO QUARTER SIZE HAIL AND HEAVY RAIN.



THUNDERSTORM LOCATION: 

15 KM EAST OF BEACONWOOD 

20 KM EAST OF PAKENHAM 

CLYDE FORKS 



MOTION: MOVING SOUTHEAST AT 55 KM/H 



HAZARDS: 

WIND: STRONG (UP TO 90 KM/H) 

HAIL: UP TO QUARTER SIZE (UP TO 2.5 CM) 

RAIN: HEAVY (15 - 50 MM) 



LOCATIONS IN THE PATH: 

OTTAWA 

PERTH



LOCAL UTILITY OUTAGES ARE LIKELY. HEAVY RAIN MAY CAUSE FLASH 

FLOODING AND SIGNIFICANT REDUCTIONS TO VISIBILITY. 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. 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