AWCN10 CWTO 031552
WEATHER SUMMARY
FOR ONTARIO AND THE NATIONAL CAPITAL REGION
ISSUED BY ENVIRONMENT CANADA
AT 11:52 A.M. EDT THURSDAY 3 APRIL 2025.

DISCUSSION.

A STRONG LOW PRESSURE SYSTEM BROUGHT A PLETHORA OF PRECIPITATION 
TYPES ACROSS MUCH OF THE PROVINCE ON TUESDAY. PORTIONS OF SOUTHERN 
ONTARIO SAW SNOW, ICE PELLETS AND SEVERAL HOURS OF FREEZING RAIN 
FOLLOWED BY HEAVY RAIN AND THUNDERSTORMS. THIS HAS RESULTED IN 
LOCALIZED FLOODING ACROSS PORTIONS OF SOUTHERN ONTARIO. ACROSS 
NORTHWESTERN ONTARIO, THIS SYSTEM BROUGHT HEAVY SNOW AND BLIZZARD 
LIKE CONDITIONS FOR REGIONS NORTH OF LAKE SUPERIOR INCLUDING THE 
THUNDER BAY AREA. 

THE FOLLOWING IS A SUMMARY OF WEATHER EVENT INFORMATION RECEIVED BY 
ENVIRONMENT AND CLIMATE CHANGE CANADA. 

1. SUMMARY OF PRECIPITATION IN MILLIMETRES: 

BURFORD 86.6* 
LAUREL CREEK 79.8* 
WOOLWICH 77.4* 
GUELPH 77.2 
WOODSTOCK 77^ 
CALEDONIA 76.7 
BOGNOR 75.9^ 
SARNIA 75 
BRANTFORD AIRPORT 74.5 
ILDERTON 73.9^ 
STRATFORD 69.1^ 
MEAFORD 68.1^ 
HEART LAKE 66.8* 
ACTON 65.8 ^ 
BRIDGEPORT 65* 
UNION 62^ 
PARIS 60.8* 
ORILLIA 61.2^ 
ARTHUR 59.8* 
DUFFERIN RESERVOIR 59.2* 
CONESTOGO 58.8* 
SHAND 57* 
GODERICH 55 
LINCOLN 55.8* 
ELORA 54.2 
HAMILTON INTERNATIONAL AIRPORT 54 
VINELAND 53.3 
MOUNT FOREST 53.1 
KITCHENER - WATERLOO 51 
HARROW 50.7 

* DENOTES CONSERVATION AUTHORITY RAIN GUAGE 
^ DENOTES VOLUNTEER OBSERVER OBSERVATIONS. 

2. SUMMARY OF ESTIMATED ICE ACCRETION IN MM FROM FREEZING RAIN VIA 
SOCIAL MEDIA REPORTS: 

BRUSSELS 7 
TILLSONBURG 3.5 
KITCHENER 3 

3. SUMMARY OF SNOWFALL IN CM VIA VOLUNTEER OBSERVATIONS: 
THUNDER BAY 25 TO 35

PLEASE NOTE THAT THIS SUMMARY MAY CONTAIN PRELIMINARY OR UNOFFICIAL 
INFORMATION AND DOES NOT CONSTITUTE A COMPLETE OR FINAL REPORT.

END/OSPC