Alpine Forecast Whistler

Posted on Tuesday, September 29, 2009

Cool trough of low pressure

A cool trough of low pressure will cross the south coast today giving periods of snow. A ridge of high pressure will build onto the South Coast this evening through Wednesday bringing drier conditions.

Today..Snow ending late this afternoon. Risk of a thundershower.
Alpine temperature steady near minus 3.
Snowfall accumulation 5 to 10 cm.
Freezing level 1400 metres.
Mountain top winds southwest 20 km/h.

Tonight..Cloudy periods. 60 percent chance of flurries this evening.
Alpine temperature low near minus 4.
Freezing level surface.
Mountain top winds becoming north 20 km/h this evening.

Wednesday..A mix of sun and cloud.
Alpine temperature high near plus 1.
Freezing level 1400 metres.
Mountain top winds north 15 km/h shifting to southwest 20 in the afternoon.

5 Day Trend.. A weak front will give a few flurries on Thursday. A northwesterly flow will bring a few more flurries on Friday. A cold low will drop across the south coast followed by a strong ridge building down from the north on Saturday.

Thursday..A few flurries.
Snowfall accumulation 5 cm.
Freezing level 1500 metres.

Friday.. Scattered flurries.
Snowfall accumulation 5 to 10 cm.
Freezing level 1000 metres.

Saturday.. Flurries ending in the morning then mainly sunny.
Freezing level 1300 metres.
Snowfall accumulation 2 cm.
Windy at times.

Source data Environment Canada

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