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©1999-2007 Evergreen Soaring, Inc.
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Mt Pilchuck - the House Mountain
Arlington airport — the main glider airport in Western Washington — has several features that
make for interesting soaring weather.
On one side it is only 10 miles away from Puget Sound making for low cloud bases and often stable conditions.
On the other side there are the Cascade foothills on the East within 8 miles
which dramatically improve thermalling conditions and
function as stepping stones to the higher mountains.
The chart
depicts the area around Arlington (AWO) that is of immediate interest to soaring pilots
exploring extended local soaring. Jordan Ridge, some 7 miles to the Southeast and Mount Pilchuck,
some 17 miles away in the same direction are of particular interest.
Close to Jordan Ridge there is Green Valley,
a picturesque little airfield that has served as a backup airfield
for any soaring pilot that did not have enough altitude to make it back to AWO
as well as serving as a club destination in itself.
Mount Pilchuck is just 10 miles away from Green Valley and is thus a relatively easy and most rewarding soaring goal.
At 5341 ft the mountain is not particularly high but as it rises by itself
out of fairly flat surroundings it is quite impressive.
It is also a popular hiking excursion with a picture-perfect lookout at the top.
So, let's call Mount Pilchuck our house mountain and use it to introduce new pilots to mountain flying!
2005 Season Summary
This is a short summary of how Mount Pilchuck featured in the 2005 ESI soaring season out of AWO and
why it should be called our "House Mountain".
Jan. 1:
The year 2005 started early for some hardcore Arlington soaring addicts — Jan. 1 saw the first flying operation and
it went right to Mount Pilchuck.
Chuck Andersen used his venerable Colt to tow Brad Hill (Apis) and
Ron Clark (LS-1) to Mount Pilchuck and
gave them the first soaring experience of the year as there
were actually some weak thermals.
Mar. 2:
With lengthening days and stronger thermals,
Brad (in his Apis) and Fred (club Apis) visited Mount Pilchuck and
enjoyed several hours of soaring around the mountain at up to 6500 ft.
Note, how a white sailplane
can almost disappear against a snowy background.
Apr. 8:
Good thermalling conditions allowed Gary and Fred
(Chinook) to visit Mount Pilchuck via Jordan Ridge for some picture taking.
Mount Pilchuck is barely visible from the ground from the East side of AWO but is unmistakable
once in the air.
Starting with a cloud base at AWO of about 3000 ft the flight went to
Jordan Ridge for
some ridge soaring and
rock polishing
before climbing out
and approaching Mount Pilchuck
from the North.
By now the cloud base was clearly above the summit.
Getting to the lift producing South side required flying along the formidable
Northern rock face,
the snowy former ski area and
the Northwest corner.
After thermalling up it was time to check out the
summit.
There was lots of snow (compare Jan. 1) but nobody at the
lookout.
Or was this another Sasquatch sighting?
May 28:
Evergreen staged a very successful one day excursion to Green Valley,
which provided good experience for a lot of pilots
for operating out of a small airfield
with the added thrill of some high grass at the sides.
It also provided good ridge soaring over
Jordan Ridge even if it was not enough to reach
Mount Pilchuck.
Summer:
When the conditions are right,
Mount Pilchuck is a formidable
thermal generator; it also serves as a prominent waypoint
for going South along the Cascades or for going Southeast in the direction of Skykomish.
Oct. 14
A perfect weather forecast about strong ridge lift conditions by Paul Adriance led to an early
morning outing and a double tow by Paul and Fred to
Mount Pilchuck.
With up to 40 kts. wind from the SSW there was plenty of lift
up to 7700 ft over the mountain allowing nice excursions
(see Chinook in center of picture) to
Spada Lake.
Oct. 25:
Another similar prediction resulted in an even more successful operation.
After waiting for the early
morning fog to clear Brad and Paul took off on another
double tow,
having to search for a hole in a thin cloud layer before getting to
Mount Pilchuck.
Paul (Libelle) found the best lift,
climbing up to 10000 ft and then setting off upwind to Lake Isabel to explore.
Brad (Apis) hung around while the rest arrived —
Ernest and Dan in the Blanik and
Myles in the Astir.
Fred had another opportunity to show off the main gear of the Chinook.
Meanwhile some weather was coming in with low level haziness and
clouds forming at all levels.
By the time Paul came back a cap cloud had formed over the
summit.
Fortunately the navigation back to Arlington is straightforward and
even if the airport is hidden in the haze,
the direction (over Jordan Ridge) is clear and
everybody made it back before the weather turned sour.
Nov. 14:
One last excursion before the rainy season took over.
Paul (Libelle) and Fred (Chinook) were able to thermal out
to the ridges behind Jordan Ridge for one last look at the mountain — until next season.
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