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Hydrologic Outlook


318 PM MDT Sun Mar 18 2018

...Snow Melt Impacts Expected to Increase by Mid Week...

Warming temperatures through mid week are expected to increase
low elevation snow melt. The potential for impacts from this melt
will increase as well, especially for areas east of Billings where
the snow pack is heaviest.

Water flowing overland and accumulating in low lying areas may
result in low land flooding, water flowing over roadways, and
basement flooding. Increased runoff from snowmelt moving into
creeks and streams will increase the potential for ice jam
flooding. In areas where ice jams are already occuring this could
increase flood waters or cause the ice jam to break up. Muddy
roads may strand vehicles and impede or cut off travel in some
rural areas.

The severity of these impacts will depend on the pace of the snow
melt. High temperatures are expect to be in the 40 to 55 degree
range for many areas by Wednesday.

Now is the time to move equipment and livestock out of low lying
areas, and away from waterways. Move heavy accumulations of snow
away from home foundations, and take steps to prevent water making
it into basements.

Stay tuned to the forecast for the latest temperature trends. If
flooding is observed, report it to local law enforcement and ask
them to pass it on to the National Weather Service.


U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
Page last modified: June 2, 2009
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