WUCN11 CWTO 150225

YELLOW WARNING - SEVERE THUNDERSTORM

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 10:25 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.



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IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



UPDATED OR ENDED BY 12:24 A.M. EDT.



AT 10:25 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 AYLMER 



MOTION: 

MOVING QUICKLY TO THE EAST AT 65 KM/H 



HAZARDS: 

WIND: STRONG (90 KM/H) 

HAIL: LOONIE TO PING PONG BALL SIZE (2.5 TO 4 CM) 

RAIN: HEAVY (20 - 30 MM) 



LOCATIONS IN THE PATH: 

AYLMER, KILROY CRESCENT, BELLS CORNERS, HULL, POINTE-GATINEAU, 

OTTAWA, MOONEYS BAY BEACH, GATINEAU, VANIER, BOWESVILLE, TEMPLETON, 

BEACONWOOD, BLACKBURN HAMLET, SOUTH GLOUCESTER, ORLEANS, CUMBERLAND, 

NAVAN, SARSFIELD, VARS, RUSSELL, ROCKLAND, HAMMOND, EMBRUN, CLARENCE 

CREEK, LIMOGES, CLARENCE-ROCKLAND, BOURGET



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. 



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