[pct-l] adiabatic/katabatic air

[m.karon at comcast.net (Marshall Karon)]

Is that why Tuolumne Meadows always seems so cold?

Marshall Karon
Portland, OR
m.karon@comcast.net

----- Original Message ----- 
From: <CMountainDave@aol.com>
To: <pct-l@backcountry.net>
Sent: Monday, January 05, 2004 3:21 PM
Subject: Re: [pct-l] adiabatic/katabatic air


>
> In a message dated 1/5/04 10:13:21 AM, Steven.Setzer@Colorado.EDU writes:
>
> << This summer I spent a few days in the Colorodo mountains climing 14ers.
I
> camped in the same area every night and did day hikes from camp.  Every
> night my buddy slept down by a creek and I camped about 100 yard away and
> maybe 50 feet higher.  In the morning, I'd wake up warm and dry.  As I
> walked downhill to wake my friend up, I'd feel the air get suddenly
> colder.  >>>
> Oh how true this is! We were camped in the Olympics and the exact same
thing
> occurred: all the cold air sank and stayed along the creek bed. It was
cold
> and damp. You could see your breath and people were dressed warmly with
hats on.
> I climbed up a hill about 200 vertical feet to a clearing and it was
sunny,
> warm and dry. I stripped down to shorts and took a sun bath for a couple
of
> hours. When I went back to the main camp, everyone was still bundled up.
They
> thought I was nuts when I told them how much warmer it was just a few
hundred
> yards away uphill
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