028  
FGUS75 KRIW 122017  
ESFRIW  
WYC003-013-023-029-035-037-039-132017-  
HYDROLOGIC OUTLOOK  
NATIONAL WEATHER SERVICE RIVERTON WY  
217 PM MDT MON JUN 12 2017  
   
..PEAK SNOWMELT RUNOFF IS DONE FOR THE SPRING 2017 SEASON
 
 
..STREAMS AND RIVERS EXPECTED TO CONTINUE TO RECEDE THROUGH THE END  
THE WEEK...  
 
...RESERVOIR RELEASES OUT OF BOYSEN AND FONTENELLE RESERVOIRS WILL  
KEEP THE BIG HORN AND GREEN RIVERS RUNNING AT HIGH LEVELS  
THROUGH THE END OF THE WEEK...  
 
SNOW WATER EQUIVALENTS (SWES) ARE BETWEEN 15 AND 18 INCHES AT THE 9,500  
TO 10,000 FOOT ELEVATION ALONG THE WIND AND GREEN RIVER BASINS.  
THERE IS A WARMING TREND STARTING FRIDAY AND SATURDAY OVER THE MOUNTAINS WITH  
ABOVE AVERAGE TEMPERATURES LASTING THROUGH THE MIDDLE OF NEXT WEEK. HOWEVER,  
BY THE MIDDLE TO THE END OF THE WARMING TREND, THERE WILL BE NOT ENOUGH SWES  
IN THE REMAINING SNOWPACK BELOW 10,000 FOOT ELEVATION TO CAUSE SIGNIFICANT  
RUNOFF FOR ANY ADDITIONAL MAJOR RISES IN STREAMS AND RIVERS. THEREFORE, THE  
PEAK SNOWMELT RUNOFF IS DONE FOR THE SPRING 2017 SEASON.  
 
STREAMS AND RIVERS WILL CONTINUE TO RECEDE THROUGH THE END OF THE WEEK.  
 
RESERVOIR RELEASES OUT OF BOYSEN AND FONTENELLE RESERVOIRS WILL  
KEEP THE BIG HORN AND GREEN RIVERS FLOWING AT HIGH LEVELS THROUGH THE  
END OF NEXT WEEK. CITIES AND TOWNS BELOW THE RESERVOIRS TO INCLUDE  
THERMOPOLIS, WORLAND, BASIN, AND GREEN RIVER WILL CONTINUE TO HAVE LOCALIZED  
LOWLAND FLOODING WITH THE HIGH FLOWS.  
 
GRAPHICAL FORECASTS ARE AVAILABLE AT:  
HTTP://WATER.WEATHER.GOV/AHPS2/INDEX.PHP?WFO=RIW  
VISIT WEATHER.GOV/RIVERTON AND SELECT THE RIVERS & LAKES TAB FOR  
GRAPHICAL FORECASTS AND ADDITIONAL INFORMATION.  
 

 
JTFAHEY  
 
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