AWCN10 CWTO 251209
WEATHER SUMMARY
FOR ONTARIO AND THE NATIONAL CAPITAL REGION
ISSUED BY ENVIRONMENT CANADA
AT 7:09 A.M. EST FRIDAY 25 DECEMBER 2020.

DISCUSSION.

A TWO PART WINTER STORM IMPACTED A LARGE PORTION OF ONTARIO OVER THE 
PAST FEW DAYS. THE FIRST PART WAS A LOW PRESSURE FROM THE NORTHERN 
PLAINS WHICH TRACKED THROUGH NORTHERN ONTARIO AND BROUGHT A LARGE 
DUMP OF SNOW. A SECONDARY PART WAS A LOW PRESSURE SYSTEM FROM THE 
SOUTHERN APPALACHIAN MOUNTAINS WHICH BROUGHT SNOW, FREEZING RAIN, 
AND RAIN TO MUCH OF SOUTHERN ONTARIO. 

IN THE WAKE OF THESE SYSTEMS, LAKE EFFECT SNOW SQUALLS WILL BE A 
PROBLEM FOR SOUTHERN ONTARIO FOR FRIDAY AND SATURDAY. 

SOME SELECT SUMMARY STATISTICS CAN BE FOUND BELOW. 

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

1. SUMMARY OF SNOWFALL IN CENTIMETRES: 

NAKINA: 48* 
GERALDTON AIRPORT: 47 
HAZELWOOD (THUNDER BAY NORTH): 44 
THUNDER BAY: 42* 
KAPUSKASING AIRPORT: 41 
HAMILTON AIRPORT: 21 
ATIKOKAN 20* 


2. SUMMARY OF RAINFALL IN MILLIMETRES (AS OF 7 A.M. EST): 

BROCKVILLE: 65.8 
KINGSTON: 49.6 
OTTAWA MACDONALD-CARTIER INT'L AIRPORT: 48.7 
KEMPTVILLE: 46.7 
OTTAWA CLIMATE STATION: 43.8 

*DENOTES COCORAHS

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

END/OSPC