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Snow Survey Resources

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Washington Snow Survey Program

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Washington Water Supply Outlook –
April 1, 2013Washington received normal
mountain snowfall for much of March however come the final week of the
month above normal temperatures dominated the region. Snow pack appears
to have reached its’ apex in most areas and has begun to melt and fill
rivers and streams. The general rule is that April 1 usually marks the
peak of snow accumulation however as with all averages we once again
broke the rules with heavy mountain snowfall on April 7-8. Accumulations
of up to 21 inches were reported in the south-central Cascade Range.
Weather forecasts are calling for slightly below normal temperatures but
equal chances of below, normal or above average precipitation over the
next few months. The Climate Prediction Center has announced the
continuation of Enso neutral conditions for the foreseeable future.
Cooler temperatures will be good news for a slow sustainable melt cycle.
The April 1 statewide SNOTEL readings were 112%, down slightly from last
month. During the month of March, the National Weather Service and
Natural Resources Conservation Service climate stations reported below
normal precipitation in all river basins with the exception of the
northwest corner and the western Olympics which reported slightly above
normal.
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Snow Survey Data, Products, and Reports
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Current Water Year Reports
Monthly Updated Conditions at a Glance
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SNOTEL Data & Products
Updated information specific to SNOTEL sites. i.e. SWE, snow depth,
temperature, precipitation, soil moisture, etc. |
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Streamflow forecasts, reservoir storage, surface water supply index,
etc...
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Data site locations, descriptions, maps, index
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Soil moisture/temperature data, Fire weather data, Climate summaries
by county
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Weekly snow depth reports
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Additional Snow Survey Information & Quick Links
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