Mammoth 4/22/2010

Staley

Member
I left LA at 2:00am this morning (in retrospect about an hour too early) and got the first lift up Stump Alley. They reported about 2 inches overnight and it was snowing fairly hard all day. Surprisingly, it didn't really accumulate much (about 4 inches fell during the day). My first run was on Roger's, and although the overnight snow did make a difference, I bottomed out on every turn. Next, I went up Chair 3 and was surprised to hear the patroller say they were going to open the backside soon. There was obviously no hope of the top opening due to visibility, but avy-wise, everything was pretty stable after yesterday's bombing.

It was just me and three snowboarders waiting for the rope drop, so needless to say, I was the first person off the back. This was not a good thing. I tried to set the high traverse that goes all the way out to the Paranoids, but visibility was so bad that I didn't know where I was going. This was true white-out. I could barely see my ski tips and I couldn't distinguish up from down. I think I ended up skiing down through Cornice. It was untracked and I never hit bottom, but I'd say it skied like a bottomless 4". From there, I went to the trees skier's right of St. Anton, which were untracked and skied deeper.

My next time up (and all future runs), I was somewhat able to follow a traverse line out to the Paranoids and White Bark Bowl. I skied 9 runs in that area and never crossed a single track. At the bottom of the bowl, I found a short tree line that basically offered 4 face shots and then a traverse out. The snow farther out was definitely deeper. The lower Paranoids had a slight wind ripple effect, but everything was still quite smooth and soft. The lower tree area was about 2 feet deep and light.

I got 10 untracked laps and I could have skied untracked for the rest of the day, but the white out made me so sick that I had to quit around 1:00. It was really disappointing since this is the slowest I've ever seen part of the top tracked out, but the conditions were just unbearable.
 
Once Mammoth goes into spring operation skiing is often better weekends than midweek due to more lifts open. Last week you would have been able to hit your deepest stash from chair 12 without the vertiginous Alta-like traverse from the back of 3. It would not have been untracked as long, but then there might have been other alternatives like Dragon's Tail.
 
From what I know of Alta traverses, this was really different. This issue here was that there weren't hordes of people zooming along the traverse. There really wasn't even a set traverse, due to the lack of people and visibility. It was impossible to see any other tracks in the snow (and I have low-vis goggle lenses). Despite doing the same general traverse 10 times, I ended up in a different spot each time.

Although I could have gotten the nice tree shot from Chair 12, the best part of the run was the top bowl section. The trees were no more than 4 quick turns, and there weren't that many different lines. If Chair 12 was open, I might have gotten one set of faceshots through the trees, not 9 like today.

In general, I prefer when lifts stay closed at Mammoth. On a storm day, I'd rather not have Chairs 3 and 5 running. If they're closed, I can get untracked lines in the Face of 5 (from Chair 10) and in Coyote (from Broadway and Stump) all day. No matter when 3 and 5 open, you'll probably get 1-2 untracked runs, but if they open early in a storm, the difficult to access stashes get tracked out. There are, of course, a few exceptions. I agree with you that Chair 9 (assuming Eagle is closed) is absolutely necessary to ski Dragon's Tail and the other stuff out there. Chair 22 is also pretty key, since the hike up Lincoln from Chair 10 takes a bit too long to make sense on a great storm day.

Also, I have a question for any Mammoth expert. Is it extremely rare for the backside of 3 to open in whiteout, stormy conditions like it did today? All of my other backside of 3 traverses have come on sunny days in the 30-60 minutes before the top opens.
 
Staley":18j15zsd said:
From what I know of Alta traverses, this was really different. This issue here was that there weren't hordes of people zooming along the traverse.
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It was annoying for a while, but I'm starting to appreciate Crocker's ability to connect any ski-related phenomena to Alta's traverses.
 
Staley":2v10qhe0 said:
Despite doing the same general traverse 10 times, I ended up in a different spot each time.
This was my experience when I was unsuccessful keeping up with admin in bad visibility on several runs out the High T last March 14.

Staley":2v10qhe0 said:
If they're closed, I can get untracked lines in the Face of 5 (from Chair 10) and in Coyote (from Broadway and Stump) all day.
Those are both quite high ratio of traverse/runout to actual skiing. I see another dedicated Altaphile in the making here. :lol:

Staley":2v10qhe0 said:
Is it extremely rare for the backside of 3 to open in whiteout, stormy conditions like it did today?
As the weather deteriorates in mid-afternoon (common pattern, happened all 3 days April 2-4) or the beginning of a storm, the top, 9 and 14 will shut first while 3,5 and 22 remain open. The latter lifts are most often shut down for wind but 3 and 5 can get shut for visibility also.

As a storm is ending your scenario is rare as the back of 3 will not open until avy control on the slopes above is completed. Often the face of 3 will open before the back. This week's storm was more gradual than the previous 2 , no more than 7 inches in one day vs. 20+. Presumably patrol concluded that the snow was stable but the top remained closed for visibility.
 
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