933  
FGUS86 KHNX 231505  
RVSUSJ  
HYDROLOGIC STATEMENT  
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA  
805 AM PDT TUE MAY 23 2017  
 
...THE FLOOD WARNING REMAINS IN EFFECT FOR THE MERCED RIVER AT  
POHONO BRIDGE...  
 
.ABOVE AVERAGE TEMPERATURES WILL CONTINUE TO CAUSE INCREASED  
SNOW MELT THAT WILL CONTINUE TO PRODUCE RISES ON THE MERCED  
RIVER THIS WEEK.  
 
FORECASTS ARE BASED ON PRESENT AND FORECASTED METEOROLOGICAL AND  
HYDROLOGIC CONDITIONS AT TIME OF ISSUANCE.  
 
UNLISTED FORECAST POINTS ARE EXPECTED TO REMAIN BELOW MONITOR STAGE.  
ALL THOSE AFFECTED BY RIVER CONDITIONS SHOULD REMAIN ALERT FOR RAPID  
CHANGES AND FOR POSSIBLE FORECAST REVISIONS.  
 
FOR MORE HYDROLOGIC INFORMATION AND STAGE DEFINITIONS REFER TO THE  
FOLLOWING WEB SITE:HTTP://WWW.WRH.NOAA.GOV/HNX/HYDRO.PHP  
 
CAC043-241705-  
805 AM PDT TUE MAY 23 2017  
 
MERCED RIVER AT  
POHONO BRIDGE 05/23 07:00 STAGE 10.0 FT  
FORECAST TO RECEDE TO NEAR 9.5 FT LATE THIS AFTERNOON THEN  
EXPECTED TO RISE ABOVE FLOOD STAGE OF 10.0 FT TONIGHT THEN FORECAST  
TO RISE TO NEAR 11.0 FT TOMORROW MORNING.  
MONITOR STAGE MSG FT, FLOOD STAGE 10.0 FT  
 
IMPACT...NEAR 10.0 FEET, WESTERN PORTION OF NORTH PINES CAMPGROUND  
LOCATED AT THE EAST END OF YOSEMITE VALLEY BETWEEN THE CONFLUENCE OF  
THE MERCED RIVER AND TENAYA CREEK BEGINS TO FLOOD. WATER RISES TO THE  
BASE OF THE SWINGING BRIDGE DOWNSTREAM FROM CHAPEL MEADOW.  
IMPACT...NEAR 9.5 FEET, PORTION OF LOWER PINES CAMPGROUND BECOMES  
FLOODED. LIMITED SITE-SPECIFIC EVACUATIONS BEGIN AT HOUSEKEEPING CAMP  
LOCATED ALONG THE SOUTH-FACING BANK OF THE MERCED RIVER. (UPSTREAM  
FROM SENTINEL BRIDGE AND DOWNSTREAM FROM STONEMAN BRIDGE)  
IMPACT...NEAR 9.0 FEET, CHAPEL MEADOW (SOUTH SIDE OF RIVER) AND COOKS  
MEADOW (NORTH SIDE OF RIVER) BEGINS TO EXPERIENCE OVERFLOW.  
IMPACT...NEAR 6.5 FEET, RIVER IS CLOSED TO RAFTERS AND FLOTATION.  
 

 
 
LAT...LON 3776 11975 3782 11956 3769 11952 3761 11968  
 

 
 
CAC047-241705-  
805 AM PDT TUE MAY 23 2017  
 
MERCED RIVER AT  
MERCED RIVER AT STEVINSON 05/23 07:00 STAGE 64.2 FT  
FORECAST TO RISE TO NEAR 66.0 FT TOMORROW EVENING WITH CONTINUED  
RISE EXPECTED.  
MONITOR STAGE 67.0 FT, FLOOD STAGE 71.0 FT  
 
IMPACT...NEAR 65.0 FEET, HAGAMAN PARK ALONG HIGHWAY 165 BEGINS TO  
FLOOD.  
 

 
 
LAT...LON 3743 12100 3742 12084 3732 12082 3728 12093  
 

 
 
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