574
AWCN10 CWTO 111225
WEATHER SUMMARY
FOR ONTARIO AND THE NATIONAL CAPITAL REGION
ISSUED BY ENVIRONMENT CANADA
AT 8:25 A.M. EDT THURSDAY 11 OCTOBER 2018.
DISCUSSION.
SUMMER-LIKE WARMTH AFFECTED SOUTHERN ONTARIO ON WEDNESDAY OCTOBER
10TH WITH RECORD HIGH TEMPERATURES BEING REPORTED IN SOME AREAS. A
COLD FRONT WILL CROSS THE REGION TODAY FROM WEST TO EAST BRINGING A
RETURN TO MORE TYPICAL AUTUMN TEMPERATURES.
IN STARK CONTRAST TO THE HEAT IN THE SOUTH, MUCH OF NORTHERN ONTARIO
DEALT WITH A STRONG LOW PRESSURE SYSTEM GIVING HEAVY RAINFALL IN THE
NORTHEAST AND SNOW, ICE PELLETS AND FREEZING RAIN ACROSS THE
NORTHWEST. VERY SIGNIFICANT RAINFALL TOTALS HAVE BEEN REPORTED IN
PORTIONS OF NORTHEASTERN ONTARIO. SOME OF THE MORE IMPRESSIVE VALUES
ARE SUMMARIZED BELOW.
NEW RECORD MAXIMUM TEMPERATURES FOR OCTOBER 10TH ARE SUMMARIZED IN
THE TABLE BELOW.
LOCATION AND NEW RECORD MAXIMUM TEMPERATURES.
PEARSON INTERNATIONAL AIRPORT 26.8
PREVIOUS RECORD 26.1 SET IN 1949
RECORD KEEPING BEGAN IN 1938
BUTTONVILLE AIRPORT 27.2
PREVIOUS RECORD 26.9 SET IN 2011
RECORD KEEPING BEGAN IN 1986
HAMILTON AIRPORT 26.8
PREVIOUS RECORD OF 25.5 SET IN 2011
RECORD KEEPING BEGAN IN 1960
TRENTON AIRPORT 25.6
PREVIOUS RECORD OF 25.0 SET IN 1949
RECORD KEEPING BEGAIN IN 1935
OTTAWA INTERNTIONAL AIRPORT 27.5
PREVIOUS RECORD OF 23.9 SET IN 1955
RECORD KEEPING BEGAIN IN 1939
SOME OF THE MORE SIGNIFICANT RAINFALL AMOUNTS IN MILLIMETRES IN
NORTHERN ONTARIO ARE SUMMARIZED IN THE TABLE BELOW. THESE AMOUNTS
INCLUDE RAINFALL FROM TUESDAY EVENING UNTIL 8 AM EDT TODAY.
LOCATION AND RAINFALL IN MILLIMETRES.
LAKE SUPERIOR PROVINCIAL PARK 100
WAWA 95
PUKASKWA 51
CHAPLEAU 96
SAULT STE. MARIE 78
THUNDER BAY 46
TIMMINS 80
EARLTON 45
PLEASE NOTE THAT THIS SUMMARY MAY CONTAIN PRELIMINARY OR UNOFFICIAL
INFORMATION AND DOES NOT CONSTITUTE A COMPLETE OR FINAL REPORT.
END/OSPC
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