0/102(*) Open Trails At #Tremblant Due To Adverse Weather.
Ski/Board Mountain Alpine Trail Network Closure
Due To Forecast "Force Majeure”(#) Weather Event.
(#) Force Majeure (French for "superior force") excuses a party
from liability or performance obligations when an extraordinary,
unforeseeable event beyond their control—such as in this case a
potential natural weather/disaster, may render performance
impossible.
- 3.11.26.Operational.Exception.Adverse.Weather.Closure.a.jpg (1.05 MiB) Viewed 567 times
Weather Notes:
It should be noted that a key concept in this entire
scenario is “Potential”, where the absolute worst-case
effects must be anticipated with every proactive offset
possible. At the same time, it is also possible that anything
less than the worst-case could span the forecast time period
as well, i.e., as statistically low as the odds may be, snowfall
over Mountain elevations is possible.
- 3.11.26.Weather.Data.a.jpg (1.06 MiB) Viewed 532 times
------------ Environment Canada Critical Freezing Rain Warning: ----------------
- 3.11.26.Weather.Data.b.jpg (1.33 MiB) Viewed 560 times
Conditions Notes:
Mitigating Adverse Weather Factors:
One of the problems with freezing rain as far as Mountain
infrastructure is concerned is that water, frozen or
liquid, weighs 10 pounds per gallon. On the “Frozen”
side, for lift systems, this potentially means literally
tons of extraordinary weight applied by accumulating
layers of falling and freezing water adhering to cables
towers, chairs, Gondola cabins, wiring, etc., etc. that
is not only heavy, but when a solidified coating, inhibits
motion by virtually locking everything that’s supposed
to be able to move, firmly in place.
The way we understand the Tremblant Mountain Lift
Infrastructure management strategy is that in addition
to the dismounting and indoor storage of the Gondola
cabins, Lift crews may be on duty throughout the hours
of active Freezing Rain accumulation to run the lifts/cables
empty in order to keep tons of freezing rain water from
accumulating and jamming the cables in place, as they
would certainly become if they were left motionless.
We will attempt to verify that, but if the case, it makes
complete sense to us because it’s not just the cables
that are involved. There are hundreds of Bogie-Wheels
that the cables ride over and under on their circular
pathway and if freezing rain coats everything solidly,
it’s almost the equivalent of welding the entire lift/cable
assembly in one place, so it would seem to us that
keeping everything in motion would be an effective
counter-measure.
In the case that there are wide-spread power outages/failures,
the Mountain infrastructure is supported by auxiliary power
generators, so it might be possible to even maintain motion
even in the event of the local communities Hydro loss.
The object of any such strategy is to offset/prevent
“Force Majeure”, the overwhelming consequence of
catastrophic operational circumstances that may be
outside of human control if no intervention was
undertaken.
Motion inhibits freezing. The analogy may not be
perfect, but maybe close enough, so picture this...
at -1C a shallow motionless pond will freeze solid,
but a running stream will never freeze. Think of
the lift cables in motion, as the running stream.
General Alpine Terrain References:
An important concept in this regard is that freezing
rain is not erosive. The point with that is that we do
not see significant threats to the trail base beyond
a temporary frozen membrane that in the Groomed,
will ultimately be assimilated, albeit with very crunchy
overtones, as well restorative grooming closures for a
while, but without much in the way of loss of terrain.
The Sous Bois bush trails and zones are still all there
and there’s lots of hope for future quality from either
snowfall or heat. Of course there would be huge
differences in the durability between snow or heat,
but the existing square coverage area is still extensive.
Why could we be wrong(but of course we don’t think we are)?
Force Majeure.
Just as much as we hope for the weather to have less negative
effects than forecast, we must acknowledge that this scenario
may have almost infinite wild cards of either “+” or “-“ tipping
point consequence.
However... we have statistical faith in our generalized 80/20 rule
where in 80% of adverse weather incidents, conditions up over
elevations are better, or less affected, than at ground/base levels,
but never-the-less, this is an “anything goes” situation.
0/102(*) Open Trails on the Archival Copy of Official Open
Trails, Grooming, Snowmaking, Lift Status and Mountain Conditions
for March 11, 2026, Courtesy of Tremblant.ca
- 3.11.26.Trail.Status.Data.a.jpg (532.35 KiB) Viewed 567 times
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