FGUS65 KSTR 051622
ESGNM 
TTAA00 KSLR DDHHMM
NATIONAL WEATHER SERVICE
COLORADO BASIN RIVER FORECAST CENTER
SALT LAKE CITY UT
June 5, 2006 

           INTERNAL NWS PRODUCT FOR GUIDANCE PURPOSES ONLY

 SAN JUAN RIVER BASIN SPRING FLOOD POTENTIAL OUTLOOK

The 2006 spring snow melt runoff flood potential for streams throughout the San Juan
River Basin is over with no flooding recorded in 2006. Snowmelt runoff began slowly during April in the
Upper San Juan and Animas River basins. May was very dry and warm producing runoff hydrographs,
none of which produced flooding. By Memorial Day weekend a cold snap shut runoff down the higher
flows and now all flows are below there previous peaks of late May and heading downward towards 
their seasonal baseflows. Volumetric forecasts for June 1, 2006 range from 6% to 64% of average. 

Peak flow information for the 2005 water year and peaks to date for the 2006 spring snowmelt
runoff are as follows:


SAN JUAN - PAGOSA SPRINGS
2005 Peak 4420cfsd 5/23
2006 1420 cfsd 5/21/6
Average time of peak 5 15 - 6 12

ANIMAS - DURANGO
2005 Peak 8070cfsd 5/25
2006 3140 cfsd 5/25/6
average time of peak 5 28 - 6 14


SAN JUAN - BLUFF, NR 
2005 Peak 12100cfsd 5 28
2006 5250 6/4/6cfsd
average time of peak 5 21 - 7 4


CBRFC/BMB
NNNN
$$