07-17-2018, 11:29 AM | #11 | |
Join Date: Sep 2004
Location: Canada
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Re: Hiking in snow
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Local weather conditions means we can end up with hard ice/snow plates that linger stubbornly after another few feet of snow get dumped on top, and when snowshoeing you can find yourself going from snow to ice-covered-hell to snow again. I've worn studded boots for icy conditions, and those were better than the studded snowshoes. But the studded snowshoes were better than boots with no studs, reducing it from "icy" to just "super clumsy like snowshoes always are".
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07-17-2018, 11:30 AM | #12 | |
Join Date: Sep 2011
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Re: Hiking in snow
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Cross-country light forest in deep snow: ideal daily move is 10 miles (Deep snow replaces Light Forest as terrain type. Terrain is now classed as Very Bad) and requires 20 hours to cover at full Move. Cross-country mountains in good weather: Ideal daily move is 10 miles (Terrain is classed as Very Bad) and could be covered in one hour at full Move. Cross-country mountains in deep snow: Ideal daily move is still 10 miles (Terrain is still Very Bad with deep snow replacing mountain as terrain type) and would require 4 hours at full Move. Road in light forest: Ideal daily move is 50 miles (treated as Average Terrain) but it takes four times as long (20 hours) if not cleared down to ankle depth. Road in mountain: Ideal daily move is 50 miles (treated as Average Terrain) but it takes four times as long (20 hours) if not cleared down to ankle depth. Road in deep snow: If the road isn’t at least partially cleared of snow, you don’t have a road (Terrain is Very Bad)! Ideal daily distance is 10 miles. If partially cleared, ideal daily move is 50 miles (treated as Average Terrain) but it takes four times as long (20 hours) if not cleared to at least ankle depth. |
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07-17-2018, 11:41 AM | #13 | ||
Join Date: Aug 2004
Location: Ronkonkoma, NY
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Re: Hiking in snow
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07-17-2018, 11:48 AM | #14 |
Join Date: Feb 2016
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Re: Hiking in snow
I generally use terrain and weather for daily progress. When you have deep snow, you are moving slower and resting more often, thus you have a 0.2 multiplier in deep snow because of the terrain. Deep forests are a separate terrain, even during winter, because the trees will capture large amounts of snow, though you still need to navigate around the trees (though snowing weather will still slow you down).
Weather is a separate category and is cumulative with terrain, so dense packed snow is very bad terrain and heavy snowing quarters progress (it hides hollows and holes, it blocks passages, etc). If you have deep snow combined with heavy snowing, you will move at x0.05 normal pace (x0.025 normal pace with ice crusted snow). If you have skis though, you treat snow as Average terrain and ignore the effects of snowing (so a man on skis will travel twenty times faster than a man on foot when struggling through deep snow and heavy snowing). This fits reality, as it is very difficult to walk through deep snow during heavy snowing. |
07-17-2018, 12:52 PM | #15 | |
Join Date: Sep 2011
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Re: Hiking in snow
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revised: Cross-country light forest in good weather: ideal daily distance is 50 miles (Terrain is classed as Average) and takes the full day (as per p.351 Time Required and Fatigue Cost). Cross-country light forest in deep snow: ideal daily move is 10 miles (Deep Snow replaces Light Forest as terrain type. Terrain is now classed as Very Bad) and takes the full day (as per p.351 Time Required and Fatigue Cost). Cross-country mountains in good weather: Ideal daily move is 10 miles (Terrain is classed as Very Bad) and takes the full day (as per p.351 Time Required and Fatigue Cost). Cross-country mountains in deep snow: Ideal daily move is still 10 miles (Terrain is still Very Bad with Deep Snow replacing Mountain as terrain type) and takes the full day (as per p.351 Time Required and Fatigue Cost). Road in light forest: Ideal daily move is 50/4 = 12.5 miles (treated as Average Terrain) with deeper than ankle snow penalty and takes the full day (as per p.351 Time Required and Fatigue Cost). Road in mountain: Ideal daily move is 50/4 = 12.5 miles (treated as Average Terrain) with deeper than ankle snow penalty and takes the full day (as per p.351 Time Required and Fatigue Cost). Road in deep snow: If the road isn’t at least partially cleared of snow, you don’t have a road (Terrain is Very Bad)! Ideal daily distance is 10 miles. If partially cleared, ideal daily move is 50/4 = 12.5 miles (treated as Average Terrain) and takes the full day (as per p.351 Time Required and Fatigue Cost). So, if you have snow but no deeper than ankle depth, halve ideal daily distance for the underlying terrain type. If the snow is deeper than ankle deep, Terrain type is Deep Snow and classed as Very Bad. Snow-covered (or ice-covered) roads [regardless of road quality] are Average Terrain with Weather penalties for snow until cleared. If cleared, Road quality once again affects effective Terrain. Last edited by Curmudgeon; 07-17-2018 at 01:07 PM. Reason: added summary |
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07-17-2018, 01:09 PM | #16 |
Join Date: Aug 2004
Location: Ronkonkoma, NY
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Re: Hiking in snow
So you're saying use snow as terrain when off-road and as weather when on a road?
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07-17-2018, 01:19 PM | #17 | |
Join Date: Sep 2011
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Re: Hiking in snow
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Use Deep Snow as Terrain for off-road travel in more than ankle-deep snow. Apply the ankle-deep Weather penalty, in addition to whatever the off-road Terrain is, when the snow is "only" ankle-deep. On a road that is at least partially cleared treat snow as Weather, rather than Terrain. If the road isn't at least partially cleared, and the snow is deeper than ankle-depth, it isn't a road anymore. It's Deep Snow Terrain. |
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07-17-2018, 04:14 PM | #18 | ||
Join Date: Apr 2005
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Re: Hiking in snow
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Any depth of snow much deeper than knee height means that it's harder to "kick" and you have to use your entire body to "plow" through it. Really deep snow (like the Western slopes of the Sierra Nevada during winter, at least when the weather isn't being weird, or places which get unreasonable amounts of Lake Effect snowfall) means that you might sink in over your head, so you sort of have to "swim" through the snow. And that's on foot for a human. Never mind a wheeled vehicle or an animal with much worse ground pressure than a human, like a moose. https://www.ctvnews.ca/canada/snowmo...snow-1.3743617 Ditto for cross-country skis. And modern snowshoes are an improvement over the old-style "tennis racquet" style showshoes. |
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07-17-2018, 04:18 PM | #19 | |
Join Date: Apr 2005
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Re: Hiking in snow
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07-17-2018, 11:49 PM | #20 | |
Join Date: Sep 2011
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Re: Hiking in snow
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As an example, a couple of years before I was on avalanche control, an avalanche control crew got caught by an avalanche dropping on them by the roadway in a valley at the foot of the mountain. The crew made it to the safety of the avalanche shed. The 2.5 T cargo truck was left by the roadway and got picked up by the avalanche. It was found in the following spring after the snow melted, a quarter-mile from the roadway. |
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