WWCN11 CWTO 140418
YELLOW WATCH - SEVERE THUNDERSTORM
FOR SOUTHERN ONTARIO
ISSUED BY ENVIRONMENT CANADA
AT 12:18 A.M. EDT TUESDAY 14 APRIL 2026.
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YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - FOR:
=NEW= GODERICH - BLUEWATER - SOUTHERN HURON COUNTY
=NEW= WINGHAM - BLYTH - NORTHERN HURON COUNTY.

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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH

==DISCUSSION==

CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF SEVERE 
THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING LARGE HAIL.

HAZARD: 
HAIL UP TO TOONIE SIZE. 

TIMING: 
OVERNIGHT INTO EARLY TUESDAY MORNING.

WHEN THUNDER ROARS, GO INDOORS(EXCLAMATION MARK) LIGHTNING KILLS AND 
INJURES CANADIANS EVERY YEAR. SEVERE THUNDERSTORM WATCHES ARE ISSUED 
WHEN CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF THUNDERSTORMS 
CAPABLE OF PRODUCING 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. 

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

HTTP://WEATHER.GC.CA

END/OSPC