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NATIONAL WEATHER SERVICE
COLORADO BASIN RIVER FORECAST CENTER
SALT LAKE CITY UT
MARCH 17, 2015

 SAN JUAN RIVER BASIN SPRING FLOOD POTENTIAL OUTLOOK

The 2015 spring runoff flood potential is low this time for streams
throughout the San Juan River Basin. Snowpack conditions improved
slightly in early March due to a storm system, however since then
warm and dry conditions have returned and snow has been melting
throughout the basin.

Seasonal precipitation (October-February) was below to much below average. 
Soil moisture was also below average across most of the basin entering the 
winter season. 

Seasonal April-July streamflow volumes are expected to range between 45 and 70 
percent of the 1981-2010 average.

Flood related problems due solely to snowmelt are not anticipated this year.
However heavy rain during the snow melt runoff period can cause flood
related issue even in low snow years.  

Further assessment will be made regarding any change in the snow melt flood 
threat with another update in early May.

Peak flow updates are available every 2 weeks on the CBRFC web sites
at:

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

 
G. Smith/ CBRFC