AWCN10 CWTO 171422
WEATHER SUMMARY
FOR ONTARIO AND THE NATIONAL CAPITAL REGION
ISSUED BY ENVIRONMENT CANADA
AT 10:22 A.M. EDT TUESDAY 17 APRIL 2018.

DISCUSSION.

A MAJOR WINTER STORM STRUCK SOUTHERN ONTARIO OVER THE WEEKEND
SERIOUSLY AFFECTING TRAVEL AND CAUSING NUMEROUS POWER OUTAGES DUE TO
FALLING TREES AND WIRES. HERE IS A SUMMARY OF THE WEATHER THAT THE
STORM HAS PRODUCED IN SOME PLACES. TOTAL PRECIPITATION AMOUNTS ARE
FROM EARLY SATURDAY MORNING UNTIL 6 PM SUNDAY AFTERNOON.

TORONTO: 18 HOURS OF ICE PELLETS, 6 HOURS OF FREEZING RAIN. RAIN
SUNDAY NIGHT INTO MONDAY. PACKED ICE PELLET DEPTH 7 TO 12 CM. TOTAL
WATER EQUIVALENT 79 MM AT PEARSON AIRPORT AND 65 MM AT BILLY BISHOP
AIRPORT. WINDS GUSTED AS HIGH AS 96 KM/H AT BILLY BISHOP AIRPORT
SUNDAY AFTERNOON.

OTTAWA: 9 HOURS OF FREEZING RAIN SUNDAY AND 6 HOURS OF FREEZING RAIN
TODAY, THEN RAIN. WINDS GUSTS OF 60 TO 70 KM/H. TOTAL WATER
EQUIVALENT AT OTTAWA AIRPORT 28 MM.

WINDSOR AIRPORT: 6 HOURS OF FREEZING RAIN, OTHERWISE RAIN. TOTAL
WATER EQUIVALENT 61 MM.

LONDON AIRPORT: 14 HOURS OF FREEZING RAIN MIXED WITH ICE PELLETS.
RAIN SATURDAY MORNING AND AGAIN LATE SUNDAY AND SUNDAY NIGHT. TOTAL
WATER EQUIVALENT 56 MM.

HAMILTON AIRPORT: 11 HOURS OF ICE PELLETS SATURDAY. 6 HOURS OF ICE
PELLETS MIXED WITH FREEZING RAIN SUNDAY, THEN 8 HOURS OF FREEZING
RAIN. RAIN SUNDAY NIGHT. WINDS GUSTS TO 87 KM/H SUNDAY AFTERNOON.
MAXIMUM PACKED ICE PELLET DEPTH 15 CM. TOTAL WATER EQUIVALENT 80 MM.

TRENTON AIRPORT: 19 CM OF ICE PELLETS FELL SATURDAY AND 9 CM SUNDAY.
MAXIMUM PACKED ICE PELLET DEPTH 10 CM. FREEZING RAIN SATURDAY
MORNING AND SUNDAY EVENING. TOTAL WATER EQUIVALENT 76 MM.

WIARTON AIRPORT: 39.6 CM OF SNOW SATURDAY. HEAVY ICE PELLETS SUNDAY
BECOMING FREEZING RAIN LATE SUNDAY EVENING AND RAIN MIXED WITH SNOW
EARLY MONDAY. TOTAL WATER EQUIVALENT 94 MM.

MEANWHILE, IN NORTHERN ONTARIO:

MARATHON (ON THE NORTH SHORE OF LAKE SUPERIOR): 33 CM FROM SUNDAY
AFTERNOON TO TUESDAY MORNING.

CHAPLEAU AIRPORT: 25 CM FROM SUNDAY EVENING TO MONDAY EVENING.

KAPUSKASING AIRPORT: 25 CM FROM MONDAY MORNING TO TUESDAY MORNING.

TIMMINS AIRPORT: 13 HOURS FREEZING RAIN MIXED WITH ICE PELLETS AND
SNOW IN MONDAY AND 12 CM SNOW FROM MONDAY AFTERNOON TO TUESDAY
MORNING.

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

END/OSPC