Extended Streamflow Guidance
Issued by NWS

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NATIONAL WEATHER SERVICE
COLORADO BASIN RIVER FORECAST CENTER
SALT LAKE CITY UT
April 3, 2015

 SAN JUAN RIVER BASIN SPRING FLOOD POTENTIAL OUTLOOK


Flooding due solely to snowmelt is unlikely in the San Juan River Basin
for 2015. Snowpack conditions are generally 55 percent of median for early
April with many lower elevation sites depleted of snow. The time period for
additional snow accumulation is narrow and even additional snow is unlikely
to increae the threat at this time.

Seasonal April-July water supply runoff volumes are forecast to be much
below average.

While snowmelt flooding is unlikely heavy rain during the snowmelt period
when river channel capacity is reduced may cause flood related problems
even in low snow years.

Peak flow information is available at the CBRFC web page.

http://www.cbrfc.noaa.gov/lmap/lmap.php?interface=peak


G. Smith/ CBRFC




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