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Post by dayhiker on Apr 26, 2017 11:02:42 GMT -8
Here is some more data: This show 100" at Washington Pass data.nwac.us/ALLThis shows Mt Baker (which could be much different than elsewhere) at 120% above normal (no history at Washington Pass) (Only white pass is showing more, I would guess differences in elevation as well as location East West from Cascade summit, as well as N/S and then different period of historical records). data.nwac.us/CLISNO/CLISNO.TXTI am not sure how that will translate into snow on the trail, much (edit: less how) dangerous slopes in July. I looked at the Snotel stuff as well but they are generally much lower down, the higher ones do not seem to have any history. But they too are in the 100% to 120% range right now, not sure how this works when they melt off, ie if the historical level is 0 on a certain date, I suppose if the higher snow pack is say 120% than the melt off could remain at that percentage until that point. For example 120" now compared to 100" average, might melt down to 12" vs a 10" average? Anyway just 120% I would guess that would be the case vs. say if there were 2x amount of snow. wcc.sc.egov.usda.gov/reports/UpdateReport.html?report=WashingtonBrown did not show any historical data for instance?: wcc.sc.egov.usda.gov/nwcc/site?sitenum=1080wcc.sc.egov.usda.gov/reportGenerator/view/customGroupByMonthReport/daily/1080:WA:SNTL|id=%22%22|name/POR_BEGIN,POR_END/TMAX::value
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Post by dayhiker on Apr 26, 2017 11:25:47 GMT -8
Here are dates for hiking per Ira Spring & Harvey Manning, I think they are somewhat coservative
Whatcom Pass late july CAScade Pass Sahale Arm mid - july Spider Buck late july
EDIT:
Doug Lorain says
Spider Buck is usually open in August , best Mid August
his Northern North Cascade Loop is usually open in Late July best August (includes Hannegan Pass & whatcom
Southern Cascade Loop is usually open Mid-July best August (Fischer Creek,THunder Creek Park Pass Stehekin River, Bridge Creek Rainbow Creek, Rainy Pass (start actually) Granite Creek)
He says the usually open means snow free [Edit3: but can vary allot of course] (not sure this includes recommended side trips),and best includes flowers or lack of mosquitoes etc, but also most crowded.
Edit2
Besides the National Park Service & Forest Service I would check the forums (PNW hikers?) since some of these folks will be out on the trail before the later etc.
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Post by dayhiker on May 6, 2017 8:52:27 GMT -8
I found my book , Backpacker's (magazine) Trekking Washington (2003). It has about 7 backpacks in the North, most are one way, but they do say when trails are generally open, so would be a guide for short loops in the area?:
The COmplete Boundary Trail - Mid- July (iron gate campground to Hannegan Trailhead PCT Manning Park to Rainy Pass Mid- July periodic snow crossing early July The High Pasayten Traverse Early July (Loop starting at Monument creek trailhead) The Devil's Loop Mid- July much of the high country snow free in early July (Loop of Canyon Creek Trailhead near Ross Lake) The Classic Passes Mid July Hannegan Pass to Happy Flats The Classic Passes Sout LATE July Easy Pass Trailhead to Cascade Pass Trailhead The Rainbow Paths to Stehekin Mid July Bridge Creek to Stehekin Road return to finish loop
Actually I see now there are a bunch more, but too tired to type those all in.
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rebeccad
Trail Wise!
Writing like a maniac
Posts: 12,707
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Post by rebeccad on May 6, 2017 20:21:09 GMT -8
dayhiker You remind me that I have hiking guides for that area. Haven't looked at them for about 2 decades, but most of the trails should be there. It's a starting point, anyway.
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Post by stealthytomato on May 8, 2017 7:36:49 GMT -8
Found this interactive map www.wcc.nrcs.usda.gov/webmap_beta/#version=76&elements=&networks=!&states=!&counties=!&hucs=&minElevation=&maxElevation=&elementSelectType=all&activeOnly=true&activeForecastPointsOnly=false&hucLabels=false&hucParameterLabels=false&stationLabels=&overlays=&hucOverlays=&mode=data&openSections=dataElement,parameter,date,basin,elements,location,networks&controlsOpen=true&popup=&base=esriNgwm&displayType=station&basinType=6&dataElement=SNWD¶meter=OBS&frequency=DAILY&duration=I&customDuration=&dayPart=E&year=2017&month=5&day=7&monthPart=E&forecastPubMonth=2&forecastPubDay=1&forecastExceedance=50&seqColor=1&divColor=3&scaleType=D&scaleMin=&scaleMax=&referencePeriodType=POR&referenceBegin=1981&referenceEnd=2010&minimumYears=20&hucAssociations=true&lat=47.736&lon=-120.322&zoom=8 Wow, now that is an impressive link... And I now see that it has already been posted Helps if I actually pay attention!
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rebeccad
Trail Wise!
Writing like a maniac
Posts: 12,707
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Post by rebeccad on May 8, 2017 9:50:03 GMT -8
Found this interactive map I can't seem to figure out how to make it actually show the snow data. Maybe I'm dense. Wouldn't be the first time
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Post by stealthytomato on May 9, 2017 5:08:48 GMT -8
Ok that's weird. When I posted the link I had all the stations up. Now I can't figure out how to get it to display either! May have to ask my hydrologist uncle for help
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Post by dayhiker on May 10, 2017 19:13:15 GMT -8
Works for me, but tiny url doesn't accept the address. I get a map and click on a dot, and up comes the water equivalent info, but I don't see depth.
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Post by dayhiker on May 10, 2017 22:10:38 GMT -8
I went back to their homepage and navigated to their map and was able to make a tinyurl from that tinyurl.com/SnowMap123I noticed that you can change the values shown by clicking on the right which you can do with stealthy's link, but the format is slightly different, I pick depth map but once you get here you can display other things like water eq.
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