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Port Stanley News RSS Feed  Weather Port Stanley, ON Current Conditions - SNOW SQUALL WATCH IN EFFECT, Port Stanley

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Alerts for: Elgin

Watches

10:36 PM EST Monday 11 December 2017
Snow squall watch in effect for:

  • Rodney - Shedden - Western Elgin County
  • St. Thomas - Aylmer - Eastern Elgin County

Snow squalls are expected to develop. Under the snow squall bands, visibilities will be significantly reduced due to the heavy snow combined with blowing snow, and snow will quickly accumulate.

Lake effect snow squalls are expected to begin Tuesday morning in the wake of tonight's Alberta clipper.

Snow squalls will be ushered in from Lake Huron by strong northwest wind gusting up to 70 km/h Tuesday morning into Wednesday.

Snowfall amounts near 15 cm per 12 hours are likely in the strongest snow squalls. Occasional whiteout conditions are also possible from blowing snow due to the strong winds.

There is potential for these snow squalls to become stationary for several hours at a time Tuesday afternoon into Wednesday. If this happens, local snowfall amounts of 30 cm or more are possible in the region, including the City of London.

Snow squalls cause weather conditions to vary considerably; changes from clear skies to heavy snow within just a few kilometres are common. Surfaces such as highways, roads, walkways and parking lots may become difficult to navigate due to accumulating snow. Road closures are possible. Consider postponing non-essential travel until conditions improve.

Snow squall watches are issued when conditions are favourable for the formation of bands of snow that could produce intense accumulating snow or near zero visibilities.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ec.cpio-tempetes-ospc-storms.ec@canada.ca or tweet reports using #ONStorm.

 

Statements

11:47 PM EST Monday 11 December 2017
Special weather statement in effect for:

  • Rodney - Shedden - Western Elgin County
  • St. Thomas - Aylmer - Eastern Elgin County

Widespread accumulating snow on tap tonight.

An Alberta Clipper low pressure area will sail across Southern Ontario tonight into Tuesday. This weather disturbance will bring a general snowfall of 5 to 10 cm with it by Tuesday morning.

Snow will continue tonight before tapering off to flurries overnight into Tuesday morning. Although localized amounts of 10 to 15 cm are possible, the snowfall warning criterion of 15 cm snow in 12 hours is not expected to be reached.

Poor winter driving conditions are likely tonight into Tuesday morning. Untreated roads may become snow covered and slippery.

Environment Canada will continue to monitor this situation and update statements accordingly.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ec.cpio-tempetes-ospc-storms.ec@canada.ca or tweet reports using #ONStorm.

 Light Snow

-4°C

Currently Light Snow
Temperature -4.5°C
Wind Chill: -9
Humidity 92 %
Pressure Air Pressure  100.6 kPa
DewPoint -5.7°C
Visibility 3.2 km
Wind Speed E 11 km/h
Sunrise: 7:45:00 AM
Sunset: 4:51:00 PM
Updated:  London Int'l Airport 11:00 PM EST Monday 11 December 2017

Port Stanley, ON Weather Outlook

Weather Information Provided by Environment Canada

Monday night Tuesday Tuesday night Wednesday Thursday Friday Saturday Sunday
Snow Flurries Flurries with risk of snow squalls Flurries or snow squalls A mix of sun and cloud with 30 percent chance of flurries Cloudy with 60 percent chance of flurries Cloudy with 40 percent chance of flurries Cloudy with 40 percent chance of flurries
Snow.
Amount 5 to 10 cm.
Wind becoming northwest 20 km/h gusting to 40 overnight.
Temperature steady near minus 4.
Flurries.
Risk of snow squalls in the afternoon.
Blowing snow.
Local amount 5 cm.
Wind northwest 40 km/h gusting to 70.
Temperature falling to minus 8 in the afternoon.
Flurries with risk of snow squalls.
Local blowing snow.
Local amount 10 to 15 cm.
Wind northwest 30 km/h gusting to 50.
Low minus 10.
Flurries or snow squalls.
High minus 7.
A mix of sun and cloud with 30 percent chance of flurries.
High minus 6.
Cloudy with 60 percent chance of flurries.
High minus 4.
Cloudy with 40 percent chance of flurries.
High zero.
Cloudy with 40 percent chance of flurries.
Windy.
High plus 1.

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