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The Weather

Special weather statement issued for..
City of Toronto
Windsor - Essex - Chatham-Kent
Sarnia - Lambton
Elgin
London - Middlesex
Simcoe - Delhi - Norfolk
Dunnville - Caledonia - Haldimand
Oxford - Brant
Niagara
City of Hamilton
Halton - Peel
York - Durham
Huron - Perth
Waterloo - Wellington
Dufferin - Innisfil
Grey - Bruce
Barrie - Orillia - Midland
Belleville - Quinte - Northumberland
Kingston - Prince Edward
Peterborough - Kawartha Lakes
Stirling - Tweed - South Frontenac
Bancroft - Bon Echo Park
Brockville - Leeds and Grenville
City of Ottawa
Gatineau
Prescott and Russell
Cornwall - Morrisburg
Smiths Falls - Lanark - Sharbot Lake
Parry Sound - Muskoka
Haliburton
Renfrew - Pembroke - Barry's Bay
Algonquin
Burk's Falls - Bayfield Inlet.

Significant storm on tap for Southern Ontario.

A developing low pressure system located over nevada this morning is
setting its sights on Southern Ontario. This storm will clear the
Rocky Mountains Tuesday morning and then turn northeastward towards
the Great Lakes basin gathering moisture from the gulf of Mexico
along the way. Weather prediction models are nearly unanimous in
intensifying this low and tracking it over Lake Huron by Wednesday
evening and then on to Southwestern Québec by Thursday morning.

Precipitation associated with this system will likely begin as snow
Tuesday evening in Southwestern Ontario and spread throughout the
remainder of Southern Ontario reaching the national Capital region by
Wednesday morning. This low is expected to usher relatively mild air
into Southern Ontario causing the snow to change over to rain.
This changeover to rain will likely occur Wednesday morning through
Southwestern Ontario and along lakes Erie and Ontario, closer to mid
day for Grey-Bruce and south Central Ontario and by late afternoon
for Eastern Ontario. The rain will change back to snow Wednesday
night into Thursday morning across the region.

The bulk of the snow is expected to fall overnight Tuesday into
Wednesday morning in the west and during the day Wednesday in the
east. Typically, snowfall amounts with these types of storms can
exceed 20 centimetres. However, a good portion of the precipitation
associated with this system will fall as rain in parts of Southern
Ontario. As a result, snowfall amounts will be widely variable.
The southwest and areas near the lower Great Lakes may see a trace to
5 centimetres while areas in a swath from Georgian Bay into Eastern
Ontario could receive 10 to 20 centimetres.

Another element of this storm that will be significant is strong
winds both ahead of the system on Wednesday and in its wake on
Thursday. Before the changeover to rain, any snow that does
accumulate may be whipped up by strong easterly winds causing blowing
snow and reduced visibility. Once the low passes, cold westerly
winds flowing over the Great Lakes will set up another lake effect
event for snow belt areas on Thursday.

Environment Canada will continue to monitor this developing situation
closely.
 
Me too, I always enjoy the first good snowfall of the season.
 
3-4 degrees is the magic number. If we get above that.. it'll be rain. If we get below that, it'll be more snow then rain.
 
Getting my snow tires on my car on Tuesday (same time as my scheduled maintenance). Have you put your snow tires on, yet?

I have heard it said that when the high forecast temperature is below 7°C, one should start to think about getting your snow tires on.
 
City of Toronto
10:57 AM EST Tuesday 08 December 2009
Winter storm watch for
City of Toronto issued

..Significant winter storm approaching Southern Ontario....Snow and blowing snow tonight and Wednesday..

This is an alert to the potential development of dangerous winter weather conditions in these regions. Monitor weather conditions..Listen for updated statements.

A winter storm currently over the southwestern states is expected to move towards the upper Great Lakes.

Snow associated with this system will likely begin as early as this afternoon in Southwestern Ontario, in the evening in Toronto and reaching the national Capital region just before dawn on Wednesday.

Strong winds will accompany the snow tonight and Wednesday significantly lowering visibilities in blowing snow. Periods of heavy snow are also likely. Snow amounts will range from 10 to 15 centimetres. Lesser amounts are likely along the shore of Western Lake Ontario as snow could be wet.

Snow will end or change to rain from west to east through the day Wednesday.

More statements or warnings will be issued as the storm nears.
 
City of Toronto
3:08 PM EST Tuesday 08 December 2009
Winter storm warning for
City of Toronto upgraded from Winter storm watch

..Snow heavy at times accompanied by strong easterly wind beginning tonight..

This is a warning that dangerous winter weather conditions are imminent or occurring in these regions. Monitor weather conditions..Listen for updated statements.

A winter storm intensifying over the southwestern states is moving towards the upper Great Lakes.

Snow associated with this system will begin late this afternoon in Southwestern Ontario, in the evening in Toronto and reach the national Capital region just before dawn on Wednesday.

Strong easterly winds near 60 km/h will accompany the snow tonight and Wednesday significantly lowering visibilities in blowing snow. Periods of heavy snow are also likely. Snow amounts will range from 10 to 15 centimetres with 20 centimetres or more towards Ottawa Valley. Lesser amounts are likely along the shore of Western Lake Ontario as snow could be wet.

Snow will end or change to rain from west to east through the day Wednesday.
 
It's too bad we're not getting the full blast of snow because that added rain should make for puddles the size of oceans on streetcorners pretty quickly. I finally bit the bullet and purchased some snowboots so i'll be ready when it hits.

Who won the bet?
 
Well nobody yet. We have to wait to see how much snow falls in a one day amount. We'll probably see 5 cm today though. I don't think we're there yet. We probably have about 3 so far.

Edit, already changed to rain. Sweet :D
 
Last edited:
I saw about 4cm of very wet snow on the lawn near Davisville this morning. It was raining by 7:30 when I left though.
 
With the mix of snow and rain we may once again wittness the primitive urban design whereby deep puddles form at the point where a sidewalk meets an intersecting street. Is there no other way to build these things?
 
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