Central Sierra Snow Lab

Central Sierra Snow Lab (HM1ZIL)

Location: Soda Springs, CA 95728 Nevada County
Country: United States of America

N 39° 19.388', W 120° 22.104'

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Hwy 40 Scenic Bypass

History

California has some of the most productive farmland in the world and a population of 38 million people. California alone is on of the biggest economies in the world. Water is critical to that economy and Sierran snows are critical to that water supply. The snows serve as a frozen reservoir slowly releasing what in the spring to streams and rivers downstream. It is vital to know how much snow is in the Sierra, and what the water content of the snow is. How much water will come from the melting snow? Reservoir managers and farmers can then plan. The Central Sierra Snow Lab was established in 1946 to gather accurate information and do snow research. The Snow Lab was built by the U.S. Weather Bureau and the Army Corp of Engineers. The U.S. Forest Service took over in 1952 and the University of California at Berkeley assumed responsibility in 1995.
Donner Summit is a perfect spot for a snow research station. Long term records of snowfall, gathered first by the railroad, go back to 1881. The maritime influence of the Pacific Ocean on Donner Summit results in an average of 34 feet of snowfall each winter - the highest snowfall of any residential area in the continental U.S. The snowpack typically last seven months and is deep, ranging from six to sixteen feet. The Lab is located in a large watershed
that drains the terrain north of Boreal and west of Castle Peak, making it an ideal location to study runoff and streamflow. With the snow/rain line moving higher each year Donner Summit is an excellent place to gauge the effects.
A Good Story

The Federal Snow Sampler, the tool being used just above, is an efficient way to measure snow water equivalent, and is used by hydrologists in addition to more advance tools. The sampler is pushed into the snow to extract a core which is then weighted to determine the water content of the snow. Depth alone does not index water content. Accurate measurements help determine the extent of the snowpack and how much water to expect downstream during snowmelt. The sampler was developed by Dr. James Church, the "Father of Snow Surveying."

Things to do right here

Avid mountain bikers use this turn off to bike the Hole in the Ground trail that goes up to Boreal, under the overpass, up the dirt road 1.7 miles, onto a single track, around Andesite Peak to Lola Montez Lake, then follows a dirt road to the fire department back on Old 40.
Hiking up Boreal Ridge from Clair Tappaan Lodge (just up the road) to Crater Lake offers great views of the Donner Summit. Walkers will like walking in Summit Valley, seeing more 20 Mile Museum signs and Native American grinding rock.
Details
HM NumberHM1ZIL
Series This marker is part of the series
Tags
Placed ByDonner Summit Historical Society
Marker ConditionNo reports yet
Date Added Saturday, July 8th, 2017 at 12:02pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)10S E 726850 N 4355938
Decimal Degrees39.32313333, -120.36840000
Degrees and Decimal MinutesN 39° 19.388', W 120° 22.104'
Degrees, Minutes and Seconds39° 19' 23.28" N, 120° 22' 6.24" W
Driving DirectionsGoogle Maps
Area Code(s)530
Which side of the road?Marker is on the right when traveling West
Closest Postal AddressAt or near 10101-10109 Bunny Hill Dr, Soda Springs CA 95728, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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