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200 inches

  • Double E
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20 years 2 weeks ago #174025 by Double E
Replied by Double E on topic Re: 200 inches

<br>As far as I know, Chinook Pass is the first official measurement site in North America to reach 200" of snowdepth this season, and it holds a commanding lead of about 40" over its nearest rivals, Paradise and Timberline. <br>

<br><br>erm.... do you mean North America or ... the lower 48 states ? ???<br><br>I think Canada and Alaska have "official measurement sites" .... or am I totally ignorant of North American snowfall geography?<br>

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  • Amar Andalkar
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20 years 2 weeks ago - 20 years 2 weeks ago #174029 by Amar Andalkar
Replied by Amar Andalkar on topic Re: 220 inches
There are some areas in Alaska and Canada which do typically collect greater seasonal snowdepths than any location in the Cascades, including portions of the Chugach Mtns in south-central AK, the Saint Elias Mtns along the AK/YT/BC border, and the Coast Mtns in BC (especially near Mt Waddington). A few favored high-elevation areas of the WA Olympic Mtns also fit this category, as do (perhaps surprisingly) some locations in the Klamath Mtns of northwest CA. However, what all of these areas have in common is that there are NO measurement sites in the remote high-elevation, high-snowfall areas. The few measurement sites that exist are located nearer to civilization and at modest elevations. Currently, the greatest snowdepth at any Canadian measurement site is about 124" at the 4400 ft Upper Squamish River telemetry site near Mt Cayley, just west of Whistler. In Alaska, the most at any SNOTEL site now is barely 60", while the 2750 ft upper station at Alyeska Ski Resort is reporting 114".<br><br>In contrast, the Cascade Range does have a few measurement sites located in extremely high snowfall areas, at subalpine elevations just below treeline. The greatest average snowdepths of any measurement sites in the world are right here in our own backyard: the snow course at 5400 ft Jasper Pass (in the N Cascades east of Mt Baker) has an April 1 average of 198", followed closely by the 5300 ft Cayuse/Chinook Pass snow course with 197". Unfortunately, budget cuts (and bureaucratic shortsightedness) have discontinued data collection at both of these exceptional sites. The NWAC telemetry site at Chinook Pass is located about 250 ft higher than the NRCS snow course, but data over the 17 year period of record is too spotty to calculate any averages. I would guesstimate an average April 1 snowdepth of just over 200". For comparison, the highest average snowdepth of any site in Canada is 162" at the Orchid Lake snow course (south of Mt Garibaldi), while the most for any snow course or SNOTEL site in Alaska is a mere 107". Throughout the rest of the world, only a few areas have snowfalls comparable to the Pacific coastal ranges of North America: the southern Andes of Chile, the west side of the Southern Alps in NZ, and small parts of the western coast of Japan. As far as I know, none of these areas have measurement sites in any extremely high snowfall locations. I'd appreciate it if anyone has info about measurement sites in these areas.<br><br>So Chinook Pass is probably the first site in the world to reach 200" of snowdepth this season. By the way, Chinook Pass has already hit 220" as of this morning, with over 24" of new snow during the past 20 hours, and 2-3 more feet of snow are forecast over the next 2 days!!!<br><br>If you're interested, I have lots of Cascade snow info online at www.skimountaineer.com/CascadeSki/CascadeSnow.html , see the bottom of the page for a comparison of snowdepth at numerous sites. See also www.skimountaineer.com/CascadeSki/CascadeSnowSeasons.html for more discussion about annual snowdepth leaders.<br>

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  • skykilo
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20 years 2 weeks ago #174039 by skykilo
Replied by skykilo on topic Re: 200 inches
Thank you, Mr. Encyclopedia. Seriously, that's good info.

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  • garyabrill
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20 years 2 weeks ago #174085 by garyabrill
Replied by garyabrill on topic Re: 200 inches
That's a good start - 200", but just a start. Baker reached I believe 337" at it's base in '99 (1999) and I recall in '74-75 seeing about 50-75' on top of Table. '74-5 was a wet year, but like this one - one where rain fell to 5000' fairly often. Paradise still had 186" on July 18th that summer and on September 21 the snowline was still at 4500' on north slopes near Baker.<br><br>Still, I think I'll go for the accumulation zone of the Klinaklini Glacier for snowfall. The glacier still flows to 700' above sea level just 150 miles or so north of Vancouver.

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