STEVENS PASS MOUNTAIN WEATHER

10/28/2010 Weather

General Discussion:
The low pressure system stalled just off the coast, this allowed additional moisture to be entrained, so today will be more soggy than forecasted. We can still expect it to break up and be mostly dry conditions tomorrow.

Long-term:
Early next week will be very wet and very active. Typhoon Chaba, off the SE coast of Okinawa, is expected to join the deepening low in the Gulf of Alaska – this will drive several potent systems with significant amounts of moisture toward the PNW coast early next week. Rain or snow you ask, it’s too early for specific details so stay tuned.

24 hour Forecast Starting at NOON on Thursday
Precipitation
“ Water: .25
“ of Snow: 0-2

Temperatures (F): 24hr          Freezing Level Range and Trend
Pass level Low: 32 High: 38                4500’ 6000'  up
Ridge top Low: 30 High: 36

Winds Speed/Direction
Pass level: 5-10 E
Ridge top: 5-10 E tapering and shifting W

TRENDS AND TIMING
Precipitation: The rain/snow is expected to taper to showers and then a short dry period should occur tomorrow.

Freezing levels: Cool air from the east will help hold surface temps near the freezing mark for today. Freezing levels will begin to rise later today.

Winds: Easterly flow will shift SW then W through the next 24 hours. jdm

STEVENS PASS MOUNTIAN WEATHER

10/27/2010 Weather




General Discussion:
A low pressure system spinning off of the coast will bring partly sunny conditions mixed with passing rain showers for the next few days.

Long-term:
A large system developing in the Gulf of Alaska will begin to affect us during the early part of next week.

Weather interest – The big storm nicknamed the Bomb, which rocked through the Midwest and Eastern part of the country yesterday, had the lowest barometric pressure on record. If this storm would have been over water, it would have been a hurricane. (962.8mb) photo below.

24 hour Forecast Starting at NOON on Wednesday
Precipitation
“ Water: lt .10
“ of Snow: trace

Temperatures (F): 24hr Freezing Level Range and Trend__
Pass level Low: 32 High: 36 4000’ 6000’
Ridge top Low: 30 High: 34

Winds Speed/Direction
Pass level: 5- 10 E
Ridge top: 5-15 E gusty

TRENDS AND TIMING
Precipitation: Light rain/snow mix will slowly taper off today. Rain showers will be possible for the next 24-48 hours.

Freezing levels: Warm air will invade from the SW keeping freezing levels above 4500’ through the weekend.
Winds: East flow will develop today and become brisk at times. jdm

THE BOMB

 The big storm nicknamed the Bomb, which rocked through the Midwest and Eastern part of the country yesterday, had the lowest barometric pressure on record.  (962.8mb)

Check out the system over the great lakes.   If this was over water it would of been considered a hurricane.  Pretty impressive and scary at the same time.

STEVENS PASS MOUNTIAN WEATHER

10/26/2010 Weather



General Discussion:
Another cell of moisture is expected to pass through the Central Cascades this afternoon. Current models show it tracking just southwest of Stevens Pass, could see a few more inches of snow by tonight. Dry conditions will develop for the rest of the week.

Long-term:
Low pressure systems will continue to approach the coast over the weekend. Another large system is developing in the Gulf of Alaska which has the potential to bring another round of active weather to the region early next week.

24 hour Forecast Starting at NOON on Tuesday
Precipitation
“ Water: .25
“ of Snow: 2-4

Temperatures (F):
4000’ Low: 32 High: 36
5000’ Low: 30 High: 34

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

TRENDS AND TIMING
Precipitation: Snow showers will continue through the night. Dry weather will settle in tomorrow and Thursday.

Freezing levels: 3500’-4500’. Freezing levels will remain near pass level through tomorrow. Warmer air will move in from the SW over the weekend.

Winds: Westerly flow will give way to east flow as high pressure develops east of the crest tomorrow. Breezy easterly winds will be possible tomorrow night. jdm

NW Flow pattern in place for the storm track

There is some moisture heading our way. 

MOUNTAIN WEATHER FORECAST

10/25/2010 Weather
General Discussion: FIRST SNOW! A shift to a NW flow pattern occurred over the weekend, opening the door for the first winter storm of the season. Mixed rain and snow will continue through tomorrow with accumulation possible.

Long-term: Wednesday and Thursday look dry with a weaker system pulling up warmer air from the SW by the weekend. The stage seems to be set for a series of storms to track toward the PNW for the next 7-10 days.

24 hour Forecast Starting at NOON on Monday
Precipitation
“ Water: .5-.75
“ of Snow: 6-10”

Temperatures (F):
4000’ Low: 30 High: 34
5000’ Low: 28 High: 32


Winds speed/Direction
Pass level: 10-15 W
Ridge top: 10-20 WSW gusty
TRENDS AND TIMING

Precipitation: The moisture will continue through tomorrow night. With some luck it will be all snow, however, wouldn’t be surprised to see some rain in the base area from time to time. Precipitation will taper off early Wednesday.

Freezing levels: Freezing levels will hover around 4000’ today and then begin to drop to 3500’overnight. A warming trend will begin on Wednesday with freezing levels spiking up around 7000’during the weekend.

Winds: Winds could be a factor as the Puget Sound Convergence Zone takes aim at Stevens Pass later today, could see gust +20mph through the night. Impressive 35’ waves are currently pounding the coast.



Enjoy the white stuff while it last. JDM

WEATHER FORECAST

I WILL BE STARTING MY DAILY FORECAST NOV 1ST.

LOOKS LIKE THE FIRST STORM OF THE FALL WILL HIT THE PNW THIS WEEKEND.    PLENTY OF MOISTURE WITH FREEZING LEVELS BETWEEN 5 AND 6K.