WWCN11 CWTO 150152
YELLOW WATCH - SEVERE THUNDERSTORM
FOR SOUTHERN ONTARIO
ISSUED BY ENVIRONMENT CANADA
AT 9:52 P.M. EDT TUESDAY 14 APRIL 2026.
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YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - FOR:
=NEW= WINDSOR - ESSEX - CHATHAM-KENT
=NEW= SARNIA - LAMBTON.

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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH

==DISCUSSION==

CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF DANGEROUS
THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING STRONG WIND GUSTS,
LARGE HAIL AND TORRENTIAL RAIN.

HAZARDS:
UP TO 90 KM/H WIND GUSTS.
UP TO PING PONG SIZED HAIL POSSIBLE.
RISK OF A TORNADO.
TORRENTIAL DOWNPOURS.

TIMING:
OVERNIGHT.

ADDITIONAL INFORMATION:
STRONG THUNDERSTORMS ARE EXPECTED TO PUSH EASTWARD INTO THE REGION
OVERNIGHT. THE RISK FOR A TORNADO WILL PRIMARILY BE FOR AREAS NEAR
THE MICHIGAN BORDER.

TORRENTIAL DOWNPOURS ARE EXPECTED. PLEASE SEE THE SPECIAL WEATHER
STATEMENT IN EFFECT FOR MORE DETAILS.

LOCAL UTILITY OUTAGES ARE POSSIBLE. WHEN THUNDER ROARS, GO
INDOORS(EXCLAMATION MARK) LIGHTNING KILLS AND INJURES CANADIANS
EVERY YEAR. STRONG WIND GUSTS CAN DAMAGE TREES, BUILDINGS AND
OVERTURN VEHICLES. 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