FGUS65 KSTR 052121
ESGNM 

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

                      SPRING FLOOD POTENTIAL 
             FOR THE COLORADO RIVER BASIN WITHIN COLORADO

                         JANUARY 7, 2020


The 2020 spring runoff flood potential due to snowmelt is not high at this time
for San Juan River basin. It should be emphasized that it is early in the snow
accumulation season and conditions can change before runoff begins.

PRECIPITATION (% OF AVERAGE) AND SNOWPACK (% OF MEDIAN):

SUBBASIN                 DEC PRECIP     OCT-DEC PREC    JAN 1 SNOWPACK
----------------------   ----------     ------------    ---------------
ABOVE NAVAJO RES             135             95               120
ANIMAS                       145             95               130     
LOWER SAN JUAN               130             80                -


The current volume forecasts for the April through July runoff period are
below to near average, ranging between 75 and 95% of average. 

It is important to keep in mind that an extended period of much above normal 
temperatures or heavy rainfall during the melt period can cause or exacerbate 
flooding problems in any year.

The spring runoff potential will be evaluated in early February and an updated
product will be issued at that time.

CBRFC/Nielson