396  
WWCN11 CWTO 160241  
RAINFALL WARNING  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 10:41 P.M. EDT SUNDAY 15 APRIL 2018.  
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RAINFALL WARNING FOR:  
CITY OF TORONTO  
SIMCOE - DELHI - NORFOLK  
DUNNVILLE - CALEDONIA - HALDIMAND  
OXFORD - BRANT  
NIAGARA  
CITY OF HAMILTON  
HALTON - PEEL  
YORK - DURHAM  
LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY  
WATERLOO - WELLINGTON  
DUFFERIN - INNISFIL  
GREY - BRUCE  
BARRIE - COLLINGWOOD - HILLSDALE  
BELLEVILLE - QUINTE - NORTHUMBERLAND  
LINDSAY - SOUTHERN KAWARTHA LAKES  
PETERBOROUGH CITY - LAKEFIELD - SOUTHERN PETERBOROUGH COUNTY.  
 
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==DISCUSSION==  
 
SIGNIFICANT RAINFALL TONIGHT.  
 
AS THE FREEZING RAIN TRANSITIONS TO RAIN TONIGHT, SIGNIFICANT  
RAINFALL WILL BECOME A PROBLEM. THE RAIN MAY FALL HEAVILY AT TIMES  
WITH AMOUNTS LIKELY IN THE 20 TO 25 MM RANGE. SOME ADDITIONAL  
RAINFALL IS LIKELY INTO MONDAY, ALBEIT LIGHTER. TOTAL RAINFALL  
AMOUNTS FOR SUNDAY NIGHT INTO MONDAY MAY BE IN THE 25 TO 35 MM  
RANGE.  
 
PLEASE CLEAR DRAINAGE BASINS OF ICE BUILDUP IN MORE URBAN AREAS.  
THIS WILL ASSIST IN MORE EFFECTIVE WATER FLOW AND MAY PREVENT  
BASEMENT FLOODING.  
 
EXTRA CARE SHOULD BE TAKEN DURING THE MONDAY MORNING COMMUTE.  
STANDING WATER MAY BE POTENTIALLY HAZARDOUS ON POORLY DRAINED ROADS  
AND HIGHWAYS DUE TO THE WEEKEND ICE ACCUMULATION.  
 
LOCALIZED FLOODING IN LOW-LYING AREAS IS POSSIBLE. KEEP CHILDREN AND  
PETS AWAY FROM CREEKS AND RIVER BANKS.  
 
PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY  
ENVIRONMENT CANADA. TO REPORT SEVERE WEATHER, SEND AN EMAIL TO  
ONSTORM(AT)CANADA.CA OR TWEET REPORTS USING (HASH)ONSTORM.  
 
HTTP://WEATHER.GC.CA  
 
END/OSPC  
 
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