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Snow Water Equivalent Maps |
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Snow water equivalent is the depth of water that would cover the
ground if the snowcover was in a liquid state. Our river forecasting
models use this value , along with temperature and sunshine information,
to estimate the amount of snowmelt entering the river channels. The
actual number is very rarely field checked, but rather estimated from
the total snow depth, observed liquid equivalent precipitation, i.e. how
much precipitation fell if it was entirely in the form of rain, and the
amount of snowmelt.
the latest snow
water equivalent map of the southern MARFC area
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Snow depth is not always a true indicator of the average snow
depth over an entire area, but the values are used qualitatively to see
if the estimated water equivalents are in need of review or revision.
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Additional Snow/Ice
Links
National Operational Hydrologic Remote
Sensing Center (NOHRSC)
Snowfall
and Snow Depth information, recent and past, from NCDC
Types of River Ice. (PDF file)
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Popular Links:
River Forecasts, Current Stages,
Precipitation Departure Maps,
Weather,
Radar, F.A.Q.
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NOAA's National Weather Service
Middle Atlantic River Forecast Center
328 Innovation Boulevard, Suite 330
State College, PA 16803
Page Authors: Jason Nolan & Ted Rodgers
Webmaster's E-mail:
marfc.webmaster@noaa.gov
Page last modified:
28-Jan-2006 09:44 AM |
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