WWCN11 CWTO 150510
YELLOW WATCH - SEVERE THUNDERSTORM
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 1:10 A.M. EDT WEDNESDAY 15 APRIL 2026.
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YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - FOR:
      WINDSOR - ESSEX - CHATHAM-KENT
      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.
TORRENTIAL DOWNPOURS.
RISK OF A TORNADO.

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. DON'T DRIVE THROUGH FLOODED ROADWAYS. HEAVY RAIN CAN
CAUSE FLASH FLOODING AND SIGNIFICANT REDUCTIONS TO VISIBILITY.
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