A clipper system passing through the region has brought strong winds and will bring further snow to some regions overnight. As expected, winds will wrap around and come out of WSW and bring snow squalls and heavy lake effect flurries to parts of the region. Theres still a lot of open water on Lake Huron to fuel these snowfalls, while Georgian Bay and Lake Erie are almost out of play due to ice cover. Heres a summary of current watches and warnings as issued by Environment Canada: The areas in yellow are under a Snow Squall Watch as issued by Environment Canada: Snow squalls likely beginning Monday. Behind the cold front, an Arctic airmass will settle in over Southern Ontario. Local snow squalls and lake effect flurries are expected to develop southeast of Lake Huron Monday and continue into Tuesday. =============================== The areas in red to the NW beginning in Bruce/Gray counties are under a Snow Squall Warning: Frontal snow band late this afternoon and this evening. A sharp cold front sweeping south over Northeastern Ontario this afternoon will move over areas near Georgian Bay east to the Ottawa River late this afternoon into this evening. A band of intense flurries and blowing snow is accompanying the cold front giving a brief period of near zero visibilities. The front is oriented east to west and is near North Bay at 3:00 P.M. and moving slowly south. Another intense band of snow ahead of the cold front is located just south of Parry Sound at this time and is also moving south. Near zero visibilities are also possible in this band. Motorists are urged to exercise caution as low to nil visibilities are possible in the bands of snow. ================================ Areas in red along Lakes Huron and Ontario are under a Wind Warning: Strong and gusty winds late this afternoon and evening. Very strong southwesterly winds have developed ahead of a cold front sweeping south from Northeastern Ontario. Winds of 60 km/h with gusts up to 90 km/h can be expected late this afternoon and evening, especially for areas along the shoreline. The winds are expected to diminish tonight as the cold front approaches the Lower Great Lakes. Motorists are advised to exercise caution as these winds will likely result in poor visibilities due to blowing snow. Winds of this magnitude are capable of bringing down tree limbs and power lines. ================================ The rest of the region, in grey, is under a special weather statement. Cold, cold air is in the picture for the next few days: Cold front sweeping across Southern Ontario late this afternoon and tonight. A sharp cold front will sweep south across Southern Ontario reaching Southern Georgian Bay to just south of Algonquin Park by early this evening and the 401 corridor overnight. The front is expected to bring a general 2 to 4 cm snowfall to the region however areas northeast of Georgian Bay could see local snowfall amounts up to 10 cm. Strong and gusty southwesterly winds have developed ahead of the front. These winds combined with the freshly fallen snow will continue to generate local blowing snow reducing visibility to 200 metres or less at times especially over exposed areas. The strongest winds are likely near the shores of the Great Lakes where gusts between 50 and 70 km/h are possible. Wind warnings have been issued for the northeast shore of Lake Erie and Picton-Sandbanks Park where gusts to 90 km/h are forecast. Along the front, bands of intense flurries have developed giving a brief period of near zero visibilities in snow and blowing snow along with a quick few centimetres of accumulation. As of 3:30 PM several bands were affecting the North Bay area along with areas near Georgian Bay. A frontal snow squall warning has been issued for areas east of Georgian Bay and the Grey-Bruce region. If these bands maintain their intensity, frontal snow squall warnings may need to be extended south. Behind the front an Arctic airmass will settle in over the region. Lake effect flurries and local snow squalls are expected to develop southeast of Lake Huron and Georgian Bay Monday. Snow squall watches have been issued for areas south and southeast of Lake Huron. In addition, the deepening cold air combined with moderate winds will result in cold wind chill values ranging from minus 25 to minus 35 Tuesday morning. ================================ Ill update with expected snowfall amounts and areas affected by squalls as soon as I have a handle on it. Looks like winter is back with a vengeance.
Posted on: Sun, 19 Jan 2014 21:19:28 +0000
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