WUCN11 CWTO 082023

YELLOW WARNING - SEVERE THUNDERSTORM

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 4:23 P.M. EDT SATURDAY 8 AUGUST 2026.

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

YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:

      UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION

      LINDSAY - SOUTHERN KAWARTHA LAKES

      PETERBOROUGH CITY - LAKEFIELD - SOUTHERN PETERBOROUGH COUNTY.



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

IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



UPDATED OR ENDED BY 6:21 P.M. EDT.



AT 4:22 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A 

SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND GUSTS, UP TO 

QUARTER SIZE HAIL AND HEAVY RAIN.



THUNDERSTORM LOCATION: 

FROM MOUNT PLEASANT TO MANCHESTER 



MOTION: MOVING EAST AT 30 KM/H 



HAZARDS: 

WIND: DAMAGING (90 - 110 KM/H) 

HAIL: UP TO LOONIE SIZE (UP TO 3 CM) 

HEAVY RAIN UP TO 50 MM 



LOCATIONS IN THE PATH: 

OMEMEE 

PORT PERRY 

PETERBOROUGH



DAMAGE TO ROOFS, FENCES, SOFT SHELTERS OR TREES IS 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. 



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 SOCIAL MEDIA USING 

(HASH)ONSTORM. 



FOR MORE INFORMATION: 

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



HTTP://WEATHER.GC.CA



END/OSPC