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NATIONAL WEATHER SERVICE
COLORADO BASIN RIVER FORECAST CENTER
SALT LAKE CITY UT
Feb 27, 2018

 SAN JUAN RIVER BASIN SPRING FLOOD POTENTIAL OUTLOOK

The 2018 spring runoff flood potential due to snow melt is lower
than normal at this time. 
 
Snowpack conditions in general are below 55 percent of normal (median) at
most locations. Most SNOTEL sites are in the bottom 10% of record dating
back between 32-38 years. Snowmelt peak flow forecasts are expected
to be below their historical average this spring.

April-July streamflow runoff volumes are forecast below 50 percent of
average at most locations.

While flood related problems are not anticipated at this time due soley to
snowmelt, heavy rainfall can cause flood related issues in any year.

Specific peak flow forecasts will be issued the second week of March and
this product will be updated at that time.

Further assessment will be made regarding any snow melt flood threat as
the season progresses.
 
G. Smith/ CBRFC

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