WUCN11 CWTO 182026

YELLOW WARNING - SEVERE THUNDERSTORM

FOR SOUTHERN ONTARIO

ENDED BY ENVIRONMENT CANADA

AT 4:26 P.M. EDT SATURDAY 18 JULY 2026.

---------------------------------------------------------------------

YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:

      BELLEVILLE - QUINTE WEST - EASTERN NORTHUMBERLAND COUNTY

      NAPANEE - CONSECON.



---------------------------------------------------------------------

==DISCUSSION==



SEVERE THUNDERSTORMS ASSOCIATED WITH THIS ALERT HAVE WEAKENED OR 

MOVED OUT OF THE AREA.



HTTP://WEATHER.GC.CA



END/OSPC



WUCN11 CWTO 182026

YELLOW WARNING - SEVERE THUNDERSTORM

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 4:26 P.M. EDT SATURDAY 18 JULY 2026.

---------------------------------------------------------------------

YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:

      CITY OF OTTAWA

      GATINEAU

      SMITHS FALLS - PERTH - EASTERN LANARK COUNTY.



---------------------------------------------------------------------

IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



UPDATED OR ENDED BY 6:25 P.M. EDT.



AT 4:26 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A 

SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND GUSTS AND HEAVY 

RAIN.



THUNDERSTORM LOCATION: 

PAKENHAM TO TEMPLETON. 



MOTION: MOVING SOUTHEAST AT 45 KM/H 



HAZARDS: 

WIND: STRONG (UP TO 90 KM/H) 

RAIN: HEAVY (15 - 30 MM) 



LOCATIONS IN THE PATH: 

ANGERS, PAKENHAM, CARP, ORLEANS, VANIER, BLACKBURN HAMLET, OTTAWA, 

KANATA, NAVAN, CARLETON PLACE



LOCAL UTILITY OUTAGES ARE LIKELY. DAMAGE TO ROOFS, FENCES, SOFT 

SHELTERS OR TREES IS LIKELY. HEAVY RAIN MAY CAUSE FLASH FLOODING AND 

SIGNIFICANT REDUCTIONS TO VISIBILITY. SEVERE THUNDERSTORMS CAN 

PRODUCE TORNADOES. 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