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WOCN11 CWTO 010430

SPECIAL WEATHER STATEMENT

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 12:30 A.M. EDT TUESDAY 1 APRIL 2025.

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SPECIAL WEATHER STATEMENT FOR:

=NEW= UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION

=NEW= NEWMARKET - GEORGINA - NORTHERN YORK REGION

=NEW= DUFFERIN - INNISFIL

=NEW= BRUCE PENINSULA - SAUBLE BEACH - TOBERMORY

=NEW= OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY

=NEW= BARRIE - ORILLIA - MIDLAND

=NEW= BELLEVILLE - QUINTE - NORTHUMBERLAND

=NEW= KINGSTON - PRINCE EDWARD

=NEW= PETERBOROUGH - KAWARTHA LAKES

=NEW= STIRLING - TWEED - SOUTH FRONTENAC

=NEW= BANCROFT - BON ECHO PARK

=NEW= WESTPORT - CHARLESTON LAKE

=NEW= GANANOQUE - MALLORYTOWN

=NEW= PLEVNA - SHARBOT LAKE - WESTERN LANARK COUNTY

=NEW= PARRY SOUND - MUSKOKA

=NEW= HALIBURTON

      CALEDON

      HALTON HILLS - MILTON

      PICKERING - OSHAWA - SOUTHERN DURHAM REGION

      VAUGHAN - RICHMOND HILL - MARKHAM

      HURON - PERTH

      WATERLOO - WELLINGTON

      SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY

      HANOVER - DUNDALK - SOUTHERN GREY COUNTY

      MERRICKVILLE-WOLFORD - KEMPTVILLE

      BROCKVILLE - PRESCOTT

      CITY OF OTTAWA

      PRESCOTT AND RUSSELL

      CORNWALL - MORRISBURG

      SMITHS FALLS - PERTH - EASTERN LANARK COUNTY

      RENFREW - PEMBROKE - BARRY'S BAY

      ALGONQUIN

      BURK'S FALLS - BAYFIELD INLET.



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==DISCUSSION==



FREEZING RAIN, FOLLOWED BY SIGNIFICANT RAINFALL MIDWEEK. 



WHAT: 

FREEZING RAIN WITH ICE ACCRETION OF 2 TO 5 MM ON SOME SURFACES. 

SURFACES SUCH AS HIGHWAYS, ROADS, WALKWAYS AND PARKING LOTS MAY 

BECOME ICY, SLIPPERY AND HAZARDOUS. 

ICE BUILD-UP MAY CAUSE TREE BRANCHES TO BREAK. 

RAIN, AT TIMES HEAVY. TOTAL RAINFALL AMOUNTS OF 20 TO 40 MM. LOCALLY 

HIGHER AMOUNTS ARE POSSIBLE IN THUNDERSTORMS. 



WHEN: 

WEDNESDAY MORNING THROUGH EARLY THURSDAY MORNING. 



ADDITIONAL INFORMATION: 

THIS FREEZING RAIN EVENT WILL NOT BE NEARLY AS SIGNIFICANT AS THE 

ICE STORM FROM THIS PAST WEEKEND. 



THE POTENTIAL FOR FREEZING RAIN BEGINS EAST OF LAKE HURON WEDNESDAY 

MORNING BEFORE REACHING EASTERN ONTARIO LATER WEDNESDAY AFTERNOON 

INTO WEDNESDAY EVENING. PRECIPITATION MAY BEGIN AS SNOW AND ICE 

PELLETS, ESPECIALLY OVER CENTRAL AND EASTERN ONTARIO. SOUTHEASTERLY 

WINDS GUSTING TO NEAR 50 KM/H ON WEDNESDAY MAY EXACERBATE ANY TREE 

DAMAGE. 



AS TEMPERATURES RISE ABOVE THE FREEZING MARK, FREEZING RAIN WILL 

TRANSITION TO RAIN OVER SOUTHWESTERN ONTARIO THROUGH WEDNESDAY 

AFTERNOON AND ACROSS CENTRAL AND EASTERN ONTARIO WEDNESDAY NIGHT. 

FOR LOCATIONS ALONG THE OTTAWA RIVER, FREEZING RAIN MAY PERSIST INTO 

EARLY THURSDAY MORNING. 



FREEZING RAIN WARNINGS WILL LIKELY BE REQUIRED 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