Freezing rain coats trees in central Ontario, 30 Dec 2019 (South Simcoe Police)
Ontario is so large and sprawling that it’s rare one storm could impact most of the province but that’s what happened Sunday into Monday.
A large low pressure system brought severe winds to the southwest, hours of freezing rain in the east and heavy snow in the northwest.
Temperatures also soared briefly in the Greater Toronto Area with a new record high of 10.2°C set at Pearson Airport.
Freezing rain duration in hours:
- Ottawa Int’l Airport – 22
- Sudbury – 20
- CFB Trenton – 18
Snowfall in cm:
- Marathon – 37
- Thunder Bay – 30
- Atikokan – 18
Maximum wind gusts in km/h:
- Chatham-Kent – 104
- Windsor – 100
- Toronto Billy Bishop Airport – 81
(Data courtesy Environment Canada)
A tree falls onto an SUV in an ice storm, East York, Toronto, ON, 15 April 2018 (R. Johnston/Toronto Star)
A slow moving low pressure system brought a wintry mix of snow, ice pellets, freezing rain, rain and strong winds to Southern Ontario and Southern Quebec over the weekend.
Icy conditions led to more than 1,600 highway crashes, numerous power outages from falling trees and downed lines, cancelled flights, transit delays and school closures.
Officials were forced to close the CN Tower due to falling ice from the structure.
Here are some totals from the spring storm as of 16 April at 2pm EDT:
- Toronto Pearson Airport – 18 hours of ice pellets, 6 hours of freezing rain, 12 cm ice pellets.
- Toronto Billy Bishop Airport – Peak wind gust of 96km/h
- London – 14 hours of freezing rain with ice pellets
- Windsor – 6 hours of freezing rain
- Hamilton – 11 hours of ice pellets, 6 hours of freezing rain and ice pellets, 8 hours of freezing rain
- Ottawa – 9 hours of freezing rain Sunday, 6 hours of freezing rain Monday, wind gusts to 70 km/h
- Montreal – 9 hours of freezing rain Saturday, 4 hours of freezing rain Sunday, 3 hours freezing rain Monday
- Quebec City – 5 hours of freezing rain Monday
(Data courtesy Environment Canada)
It felt more like mid-spring than late winter across Southern Ontario today.
A mild air mass combined with strengthening February sunshine to set new record highs in the region.
Environment Canada reports April-like maximums for 28 February:
- Sarnia, 16.8 C, old record 15.1 C from 2016
- Toronto Pearson Airport, 16.2 C, old record 14.0 C from 2016
- Windsor, 16.1 C, old record 13.6 C from 2017
- London, 15.1 C, old record 14.2 C from 2016
- Kitchener-Waterloo, 15.0 C, old record 12.4 C from 2016
Snow in midtown Toronto, 12 Dec 2017 (Habitat Toronto/Instagram)
While the province itself currently basks in warmth, an Alberta Clipper moved through Central Canada dropping the first snow of the season to many parts of Southern Ontario and Quebec.
About 12 cm of snow fell in Windsor, 10 cm at Toronto Pearson Airport and 16 cm in Ottawa.
Environment Canada is forecasting even heavier amounts for Quebec City with up to 50 cm expected.
The system also brought more than 30 cm of snow to northern New Brunswick with a mix of snow and rain in Greater Moncton.
What a difference in one week in downtown Fredericton, 23 Feb 2017 (Facebook)
The weather has been relatively calm lately in New Brunswick and the Maritimes which has been a welcome relief after a string of winter storms earlier this month.
Mild air has pushed into the region which set several record highs yesterday both here and in Southern Ontario.
The Greater Moncton International Airport reached 10 C and it was the warmest temperature since 18 December – just shy of the record of 13.2 from 1981.
But some weather stations in the Moncton area climbed as high as 13 C.
New record highs for 23 February:
Kouchibouguac Nat’l Park 12.4 C
Woodstock, NB 11.9 C
Bathurst 10.5 C
Windsor, ON 19.3 C
London, ON 18.3 C
Toronto Pearson Airport 17.7 C
A low pressure system passed over the Bay of Fundy today bringing the second major snowstorm of the season with at least 20 cm for Southeast New Brunswick.
Schools closed, flights were cancelled at the Greater Moncton International Airport and several car crashes reported as road conditions worsened throughout the day.
Precipitation started as snow in Nova Scotia but later changed to freezing rain and then to rain as temperatures climbed above freezing.
The same Colorado Low impacted Southern Ontario earlier today delivering 15-30 cm snow from Windsor to Ottawa including the Greater Toronto Area and Southern Quebec including Montreal and Quebec City.
Flooding in Windsor, ON, 29 Sept 2016 (Windsor Star/Twitter)
Upwards of two months worth of rain has fallen in just a few days in a corner of Southwestern Ontario which includes Windsor and Tecumseh.
The normal September rainfall in the region is just under 100 mm with as much as 195 mm falling in some areas this week prompting a state of emergency.
Environment Canada says a strong and slow moving low pressure system brought heavy rain which led to flooding.
More than 1,500 Windsor residents reported basement flooding and many streets were inundated with water leaving vehicles stuck.
Tornado forming near expressway in Windsor, ON, 24 Aug 2016 (Twitter)
Environment Canada has confirmed two tornadoes touched down in Southwestern Ontario Wednesday night (24 August).
The first one struck in LaSalle and another one hit nearby Windsor.
No one was seriously hurt but emergency responders assessed reports of trees toppling over and property damage.
The mayor of Windsor said at least 15 homes in the city were too damaged for residents to re-enter.
Hot, humid weather made a comeback in Southern Ontario yesterday with humidex values soaring near 45 in some areas.
Environment Canada reported new heat records were set at Toronto Buttonville Airport hitting 35.0°C, Windsor at 34.6°C and Collingwood at 33.7°C.
The hotspot was Sarnia at an unseasonable 35.9°C (almost 97°F).
Some of that heat filtered into New Brunswick today – St. Stephen climbed to 28.5°C with a humidex of 37 and even Moncton reached 23°C with a humidex of 31.