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  1. #1
    Join Date
    Oct 2003
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    Redwood City
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    1,762

    avalanche advisory data questions

    So I’ve recently started a personal project to apply my kung-fu data scientist skills to snow science and am wondering a few things. The overall goal of the project is to explore the use of machine learning in snow science and potentially providing new tools for people to use. Obviously a computer will never replace in person observations and analysis but I think that exploring the use of modern AI and data analysis tools could provide useful insights for snow science. I am wondering a few things that maybe people here could provide insight on – especially if you work at or have inside knowledge of any of the regional forecast organizations.

    - Databases: behind the scenes are daily advisories stored in tabular format in a database and assembled automatically into the familiar paragraph form or are these hand created every day? For example, is the little pinwheel graphic that show color coded rating by aspect and above/below tree line created automatically or by hand every day?

    - Do the centers consider their advisories to be proprietary information that they would not want accessible via other channels besides their web site or do they consider the info “open source” that can be repeated (with proper citation) in other places? I am thinking of why there is no centralized US (or even world) scale resource for avy advisories since they are now in (mostly) a uniform format. I am thinking of writing a package in the “R” statistical language that lets you pull and parse the daily advisory from a variety of regional centers and making that publicly available for use in research. You could do the same thing with a public database/web site of course (although I probably wouldn’t do that).

    Where I am at right now I can use text mining to pull out the specifics of an advisory for the Sierra Avalanche Center from their paragraph advisory for any day in their archives and load it as categorical tabular data in R. I have messed around with pulling corresponding data from automated weather and snowpack sensors from CDEC plots and seeing if machine learning models can be built that take automated sensor data and infer daily rating. Nothing serious yet. Future goals would be to do things like see if you can actually infer snow pack structure from automated sensor data or compare the structure of models between different regions to see if the differences in the behind-the-scenes math can tell you anything about the differences between snow packs (maritime, continental, hybrid, etc).

    Thoughts? Anybody know of anyone attempting something similar? This is just in my free time so will go slowly.
    "Great barbecue makes you want to slap your granny up the side of her head." - Southern Saying

  2. #2
    Join Date
    Oct 2008
    Posts
    369
    sent you a pm.

  3. #3
    Join Date
    May 2007
    Location
    Juxtaposition
    Posts
    5,733
    Quote Originally Posted by LegoSkier View Post
    Future goals would be to do things like see if you can actually infer snow pack structure from automated sensor data
    There is progress being made in this endeavour in Canada for areas with sparse human data observations.

    Also for intellectual motivation, take a look here http://www.ucalgary.ca/asarc/research/outreach. Scrolling down the clips you'll see some that relate to modelling layers, or the entire snowpack, based on remote data or weather forecasts.
    Life is not lift served.

  4. #4
    Join Date
    Sep 2005
    Location
    In rain shadow of the Sierra CC,NV
    Posts
    3,873
    (Yay! First time I've been able to post since changes!)
    Hey Lego! Sorry if this is hella vague, but pretty sure I saw a bit on DeucheWelle TV about a resort in France (maybe LaGrave) using Data to "predict" how snow might slide. Would have been a few months ago now.
    Might have been something about Recco.

    ...Remember, those who think Global Warming is Fake, also think that Adam & Eve were Real...

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