****0000001857****
WOCN11 CWTO 010940

SPECIAL WEATHER STATEMENT

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 5:40 A.M. EDT TUESDAY 1 APRIL 2025.

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SPECIAL WEATHER STATEMENT FOR:

      CITY OF TORONTO

      WINDSOR - ESSEX - CHATHAM-KENT

      SARNIA - LAMBTON

      ELGIN

      LONDON - MIDDLESEX

      SIMCOE - DELHI - NORFOLK

      DUNNVILLE - CALEDONIA - HALDIMAND

      OXFORD - BRANT

      NIAGARA

      CITY OF HAMILTON

      MISSISSAUGA - BRAMPTON

      BURLINGTON - OAKVILLE.



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==DISCUSSION==



SIGNIFICANT RAINFALL MIDWEEK. 



WHAT: 

RAIN, AT TIMES HEAVY. TOTAL RAINFALL AMOUNTS OF 30 TO 50 MM. LOCALLY 

HIGHER AMOUNTS ARE POSSIBLE IN THUNDERSTORMS. 



WHEN: 

WEDNESDAY MORNING THROUGH EARLY THURSDAY MORNING. 



ADDITIONAL INFORMATION: 

RAIN BEGINS WEDNESDAY MORNING OVER EXTREME SOUTHWESTERN ONTARIO 

BEFORE REACHING THE GOLDEN HORSESHOE WEDNESDAY AFTERNOON. WITH 

THUNDERSTORMS EXPECTED, RAINFALL AMOUNTS MAY EXCEED 50 MM OVER SOME 

AREAS, PARTICULARLY OVER SOUTHWESTERN ONTARIO. RAIN WILL END FROM 

WEST TO EAST WEDNESDAY NIGHT INTO EARLY THURSDAY MORNING. 



RAINFALL WARNINGS MAY BE REQUIRED FOR SOME AREAS AS THE EVENT DRAWS 

NEARER. 



LOCALIZED FLOODING IN LOW-LYING AREAS IS POSSIBLE. 



FOR INFORMATION CONCERNING FLOODING, PLEASE CONSULT YOUR LOCAL 

CONSERVATION AUTHORITY OR ONTARIO MINISTRY OF NATURAL RESOURCES 

OFFICE. VISIT ONTARIO.CA/FLOODS FOR THE LATEST DETAILS.



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.



HTTP://WEATHER.GC.CA



END/OSPC