A stormy setup with some influence from Cindy’s remains has led to a swath of heavy precip and serious flooding through S ON & QC.
The latest summary from EC, updated as necessary.
EDIT: Updated 2 PM totals and added the relevant info for QC.
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
Weather summary for Quebec issued by Environment Canada at 9:31 a.m. EDT Saturday 24 June 2017. Discussion. A warm and humid air mass moved across Southern Quebec on June 23 June and spread 15 to 25 mm of rain in general through this morning. Some stations in the southern portion of the Manicouagan Reservoir received approximately 35 millimetres and some Eastern Townships-Beauce and Bois-Francs received over 40 millimetres. The following is a summary of weather event information received by Environment Canada. Rainfall summary in millimetres: * Manicouagan area: 10 to 25, except 37 over Ste Anne Lake. * Eastern Townships: 10 to 30, except 58.4 over Ditton. * Drummondville: 5 to 10, except 35 over Victoriaville and 46,5 over St-Felix-de-Kingsey. * Beauce: 20, except 42,6 over Frampton. Please note that this summary may contain preliminary or unofficial information and does not constitute a complete or final report. End/QSPC