WWCN11 CWTO 140854
YELLOW WATCH - SEVERE THUNDERSTORM
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 4:54 A.M. EDT TUESDAY 14 APRIL 2026.
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YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - FOR:
=NEW= OXFORD - BRANT
      LONDON - MIDDLESEX
      GODERICH - BLUEWATER - SOUTHERN HURON COUNTY
      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: 
EARLY THIS MORNING.

WHEN THUNDER ROARS, GO INDOORS(EXCLAMATION MARK) LIGHTNING KILLS AND 
INJURES CANADIANS EVERY YEAR. LARGE HAIL CAN CAUSE SIGNIFICANT 
DAMAGE AND INJURY. 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