December 27, 2009

SPOT WEATHER FORECAST

12/27/2009 Weather

Short term: Enjoy the sun today because high clouds will move in later, marking the beginning of a change to come.

Long-term: The high-pressure ridge will begin to break down as it is shoved east by the approaching systems.

24 hour forecast starting at noon on Sunday
Precipitation
“ Water: .10
“ of Snow: trace - 2

Temperatures (F):
4000’ Low: 14 High: 24
5000’ Low: 12 High: 22

Winds speed/Direction
Pass level: 0-5 E
Ridge top: 5-10 SE

TRENDS AND TIMING
Precipitation: A weak system will drift up from the south tomorrow morning. This will bring light snow to the pass. Another slightly bigger system will arrive late Tuesday.

Freezing levels: Freezing levels will begin to rise to 3000’ over the next 24 hours. However, east flow will keep surface tempertures low over the North Central Cascades.

Winds: East flow will weaken but remain intact through the middle of the week. JDM

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