[env-trinity] Fw: March 1 Snow Surveys from Klamath National Forest

Tom Stokely tstokely at att.net
Thu Mar 9 09:22:05 PST 2017 

From: Klamath National Forest [mailto:klamathinfo=fs.fed.us at mail1.atl51.rsgsv.net]On Behalf Of Klamath National Forest


Sent: Wednesday, March 08, 2017 8:13 AM
Subject: News Update from Klamath National Forest    
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U.S. Forest Service
 
Klamath National Forest
1711 South Main Street
Yreka CA 96097
Voice: 530-842-6131
Email: klamathinfo at fs.fed.us
Web: www.fs.usda.gov/klamath
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News Release
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March 8, 2017

Media Contact: Nichole Noyer
530-841-4485 
nnoyer at fs.fed.us

District Hydrologist: Christopher Ester
530-468-1241
cester at fs.fed.us
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| March 1st Snow Survey Results  |

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| FORT JONES, CA – The Klamath National Forest has completed the March 1st snow surveys. These measurements are a part of the statewide California Cooperative Snow Survey program, which helps the State forecast the amount of water available for agriculture, power generation, recreation, and stream flow releases later in the year.
The March 1 snow measurements for 2017 are vastly improved compared to the last several years.  Winter started early in Scott Valley and the Marble Mountains with snow falling as early as September and accumulating since October.  Regular snow has fallen since that time, with few impactful melting periods.  An above average snow pack was surveyed in February.  March data has continued to be above average compared with historic data at the same locations.  According to the current measurements, the snowpack is at 125% of the historic average snow height (snow depth) and at 125% of the historic average Snow Water Equivalent (SWE, a measure of water content) across the Scott River watershed survey points.  These data are very similar to last month’s data, however, the snowpack has become slightly denser.  Historically, the snowpack reaches its annual maximum by late-March/early-April.
Snow surveys are conducted monthly during the winter and spring months (March-May). Forest Service employees travel to established sites in the headwaters of the Scott River watershed to collect information about snow accumulation in the mountains of the Klamath National Forest.  The newest measuring site at Scott Mountain has been monitored for 31 years; the oldest site at Middle Boulder has been monitored for 71 years.  Some sites are located close to Forest roads with good access, while others require hours of travel by snowshoe and/or snowmobile.
The height of snow and SWE are measured by a snow sampling tube with a cutter end that is driven through the snow pack, measuring depth. The snow core is then weighed to determine the water content (SWE). The information is forwarded to the State of California, where the data is compiled with other snow depth reports and becomes part of the California Cooperative Snow Surveys program. The data is managed by the California Department of Water Resources; more information is available on their website athttp://cdec.water.ca.gov/snow/current/snow/index.html.
All news releases, including past snow survey results, are posted on the Klamath National Forest’s website athttp://www.fs.usda.gov/newsarchives/klamath/newsarchive. 
March 1st 2017 Snow Survey Results Scott River Sub-Basin
  
| Snow Course  | Height of Snow  | Snow Water Equivalent  |
| Measured  | Historic Average for Mar 1  | % of Historic Average  | Measured  | Historic Average for Mar 1  | % of Historic Average  |
| Middle Boulder 1
(Established 1946 / Elevation 6600’)  | 69.5"  | 65.1”  | 107%  | 37.5"  | 26.0”  | 144%  |
| Middle Boulder 3
(Established 1948 / Elevation 6200’)  | 84.5"  | 60.0”  | 141%  | 32.0"  | 23.1"  | 138%  |
| Dynamite Meadow
(Established 1955 / Elevation 5700’)  | 49.0"  | 47.0”  | 104%  | 15.5”  | 16.2”  | 96%  |
| Swampy John
(Established 1951 / Elevation 5500’)  | 89.5"  | 71.0”  | 126%  | 27.0"  | 24.9”  | 108%  |
| Scott Mountain
(Established 1986 / Elevation 5900’)  | 75.5"  | 51.1”  | 148%  | 27.5"  | 19.6"  | 140%  |
| Total average  | 125%  | 125%  |

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| BELOW: 
Photo of snow telemetry station near Scott Mountain under 6 feet of snow.


Snow telemetry station near Scott Mountain, Callahan, CA, January 30, 2017. 


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| USDA is an equal opportunity provider, employer and lender.  |

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Klamath National Forest · 1711 S. Main Street · Yreka, CA 96097 · USA   |

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