WUCN11 CWTO 091819
YELLOW WARNING - SEVERE THUNDERSTORM
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 2:19 P.M. EDT THURSDAY 9 JULY 2026.
---------------------------------------------------------------------
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:
=NEW= TAMWORTH - SYDENHAM - SOUTH FRONTENAC
      WESTPORT - CHARLESTON LAKE
      MERRICKVILLE-WOLFORD - KEMPTVILLE
      MORRISBURG - LONG SAULT
      WINCHESTER - NEWINGTON
      SMITHS FALLS - PERTH - EASTERN LANARK COUNTY.

---------------------------------------------------------------------
IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH

==DISCUSSION==

UPDATED OR ENDED BY 4:18 P.M. EDT.

AT 2:19 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND GUSTS AND HEAVY 
RAIN.

THUNDERSTORM LOCATION: 
45 KM SOUTHWEST OF RIDEAU FERRY 
RIDEAU FERRY 
MORRISBURG 

MOTION: MOVING EAST AT 25 KM/H 

HAZARDS: 
WIND GUSTS UP TO 90 KM/H 
RAINFALL UP TO 50 MM 
TORNADO POSSIBLE 

LOCATIONS IN THE PATH: 
SMITHS FALLS 
MERRICKVILLE 
RIDEAU FERRY 
WILLIAMSBURG 
NEWBORO 
JASPER 
SPENCERVILLE

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. WHEN THUNDER ROARS, GO 
INDOORS(EXCLAMATION MARK) LIGHTNING KILLS AND INJURES CANADIANS 
EVERY YEAR. DON'T DRIVE THROUGH FLOODED ROADWAYS. SEVERE 
THUNDERSTORMS CAN PRODUCE TORNADOES. 

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. 

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

HTTP://WEATHER.GC.CA

END/OSPC