729  
FGUS75 KGJT 221527  
ESFGJT  
COC029-051-077-085-241530-  
 
HYDROLOGIC OUTLOOK  
NATIONAL WEATHER SERVICE GRAND JUNCTION CO  
927 AM MDT MON MAY 22 2017  
 
...INCREASED FLOWS ON THE LOWER GUNNISON RIVER THROUGH THE  
WEEK WILL CAUSE RIVER LEVELS TO RISE TO NEAR BANKFULL...  
 
RELEASES FROM THE ASPINALL UNIT WILL CAUSE AN INCREASE IN FLOW AND  
RIVER LEVELS FOR THE LOWER GUNNISON RIVER THIS WEEK. PEAK  
RELEASES SHOULD BE REACHED BY MAY 23 OR 24. THE TARGET FLOW FOR  
THE THE GUNNISON RIVER NEAR GRAND JUNCTION WILL BE 14,040 CFS,  
NEAR BANKFULL, FOR A TWO DAY PERIOD.  
 
EXPECT FLOWS THROUGH THE BLACK CANYON TO RANGE FROM 10,800 CFS TO  
12,000 CFS. FLOW FOR THE THE GUNNISON RIVER NEAR DELTA ARE  
FORECAST TO RANGE FROM 12,800 CFS TO 13,400 CFS.  
 
AFTER THE 2 DAY PEAK TARGET IS MET THE FLOW WILL BE REDUCED TO  
MEET HALF BANKFULL TARGET FLOW OF 8,070 CFS AT THE GUNNISON NEAR  
GRAND JUNCTION GAUGE.  
 
INCREASES IN RIVER FLOWS MAKE FOR SWIFT AND UNPREDICTABLE  
CURRENTS. DEBRIS IN THE RIVER COULD CREATE NUMEROUS SNAGS. WATER  
TEMPERATURES WILL BE QUITE COLD. IF RECREATING OR WORKING IN OR  
NEAR HIGH FLOW WATERWAYS, USE APPROPRIATE SAFETY GEAR. UNSTABLE  
BANKS ALONG FAST MOVING WATERWAYS MAY QUICKLY GIVE WAY AND SHOULD  
BE AVOIDED.  
 
ADDITIONAL RIVER AND LAKE INFORMATION IS AVAILABLE AT:  
 
HTTPS://WATER.WEATHER.GOV/AHPS2/INDEX.PHP?WFO=GJT  
 

 
 
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