AWCN10 CWTO 240322
WEATHER SUMMARY
FOR ONTARIO AND THE NATIONAL CAPITAL REGION
UPDATED BY ENVIRONMENT CANADA
AT 11:22 P.M. EDT FRIDAY 23 JUNE 2017.

DISCUSSION.

SHOWERS AND THUNDERSTORMS STARTED OVER SOUTHERN ONTARIO ON THURSDAY.
THIS BLOSSOMED INTO AN AREA OF VERY HEAVY RAIN WITH EMBEDDED
THUNDERSTORMS THURSDAY NIGHT. THE HARDEST HIT AREAS THAT EXPERIENCED
TORRENTIAL DOWNPOURS THURSDAY NIGHT AND INTO EARLY FRIDAY MORNING
OCCURRED IN A LARGE SWATH EXTENDING FROM HURON COUNTY EAST TOWARDS
DUFFERIN-INNISFIL WITH RAINFALL AMOUNTS IN MANY AREAS EXCEEDING 100
MM. ROAD CLOSURES AND LOCALIZED FLOODING HAVE BEEN REPORTED AS A
RESULT OF THE RAIN. SHOWERS AT TIMES HEAVY AND ISOLATED
THUNDERSTORMS ARE CONTINUING OVER SOUTHERN ONTARIO TODAY.

THE FOLLOWING IS A SUMMARY OF RAINFALL AMOUNTS RECEIVED BY
ENVIRONMENT CANADA AS OF 2 P.M. FRIDAY.

SUMMARY OF RAINFALL AMOUNTS IN MILLIMETRES FROM 8 A.M. THURSDAY
MORNING TO 2 P.M. FRIDAY AFTERNOON:

MOUNT FOREST: 159
MONO CENTRE: 101
POINT PETRIE: 100
GODERICH: 93.7
COBOURG: 80.2
OSHAWA: 61
TRENTON: 52.4
TORONTO BUTTONVILLE AIRPORT: 52
UXBRIDGE: 46
KINGSTON: 44.2
ELORA: 43.4
TORONTO PEARSON AIRPORT: 40.4

SUMMARY OF RAINFALL AMOUNTS IN MILLIMETRES FROM 8 A.M. THURSDAY
MORNING TO 8 A.M. FRIDAY MORNING:

MILDMAY: 137.4 (COCORAHS OBSERVATION)
ORANGEVILLE: 128 (COCORAHS OBSERVATION)
PALMERSTON: 121.9 (COCORAHS OBSERVATION)
LUCKNOW: 108.7 (COCORAHS OBSERVATION)
BRUSSELS: 95 (COCORAHS OBSERVATION)
MILFORD: 71.4 (COCORAHS OBSERVATION)
WALTON: 70.6 (COCORAHS OBSERVATION)
SCHOMBERG: 66.8 (COCORAHS OBSERVATION)
MONKTON: 61.7 (COCORAHS OBSERVATION)
MILVERTON: 60.2 (COCORAHS OBSERVATION)
ELORA: 56.6 (COCORAHS OBSERVATION)
AURORA: 55.9 (COCORAHS OBSERVATION)
BAYFIELD: 51.1 (COCORAHS OBSERVATION)

COCORAHS IS A COMMUNITY-BASED NETWORK OF VOLUNTEERS PROVIDING
PRECIPITATION AMOUNTS.

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

END/OSPC