Chute safety: Preparing for avalanche season

By Andrea E. Petrich

The rain was pouring down alongside SR 20 in Newhalem and the merely location you may see patchy snow was excessive at the mountains towering over the small Whatcom County metropolis at the day I rolled in for Highway Avalanche Search and Rescue (HAVSAR) Training this previous December.



While there wasn't snow there, lots had already fallen within the mountains. So a lot – alongside with a few rain – that backcountry avalanche warnings have been already in place. That threat had reached a few of our highways too. The SR 20 North Cascades Highway closed for the season on Nov. 27, while its avalanche chutes grew to become detrimental for crews to plow the area.



At the HAVSAR training, about 30 of us gathered within the holiday-decorated corridor at the Seattle City Light campus. Our group consisted of our avalanche and repairs staff, Seattle City Light first responders, Border Patrol, Northwest Avalanche Center forecasters, North Cascades National Park rangers and members of the Whatcom County Sherriff's workforce – all folks who would reply and be aspect of road clearing efforts if an avalanche slides throughout SR 20.
First responders from agencies around Whatcom and Skagit counties gather for avalanche training

One of our avalanche forecast and manage specialists, Harlan Sheppard, refreshed us on sorts of avalanches, what to seem to be for in danger components and what can cause one. We saw contemporary photographs of avalanche chutes alongside open stretches of our highways and talked about danger aid strategies. This contains real training, low cost markers alongside highways (you would possibly have viewed red-wrapped poles on US 2 indicating a no-stop zone for crews) and including climate stations to growth correct forecasting.
Harlan Sheppard, a member of our agency's avalanche team, leads the Highway Avalanche Search and Rescue Training

Once we have been executed within the classroom, everybody bundled up of their gear to head backyard for beacon, probing and shoveling practice. This trains first responders the finest approach to discover human being buried in an avalanche as properly because the finest approach to rescue them whereas nonetheless protecting your self and different first responders safe. With little snow, we did the finest we might and the participants saved the state of affairs as actual as probably whereas probing for a paper bag in a downpour.
Crews from multiple agencies practice beacon use during avalanche training

Our crews at all times attempt to forecast avalanche danger early and convey down dicy chutes safely, but there are instances when the mountain has its own suggestions and slides come down unexpectedly. When that happens, we work quick to make certain everybody within the facet is secure whereas being cautious to assess the risk. Often it is now not only 1 avalanche you will see, but secondary ones that may seize emergency responders if we should now not careful. Sometimes that potential ready a day or NULL earlier than it is secure for crews to transfer tools in to clean a highway.



The danger can also be why we cling HAVSAR lessons each yr – we desire to preserve our expertise sharp and in addition guarantee as many first responders as probably have a probability to attend.



What's that imply for you? It's very important that anybody who travels on mountains passes within the winter desires to be prepared. Extreme climate occasions can occur with little caution and delays and closures may imply lengthy waits. Always plan to convey sufficient provides (medication, contacts, socks, etc.) to get through in case of unexpected closures. And, rather throughout storms or altering weather, reside advised about conditions as you travel. You can do this through calling 511, downloading our cellular app, following nearby social media debts or checking our journey indicators page. (Never use electronic units when behind the wheel, have a passenger examine or wait till you will be able to pull over to a secure spot).
Attendees at our HAVSAR training practice shoveling technique during avalanche rescue training in Newhalem

With new shovels and probes and recent batteries in our beacons, this staff of first responders is equipped, skilled and competent for winter alongside SR 20. Help them assist you by way of means of making certain you are also keen each time you journey throughout a pass.

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