EUSANBUL (05/02/09 0232)


WGUS86 KHNX 020932
FLSUSJ
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
232 AM PDT SAT MAY 02 2009

...THE FLOOD WARNING is cancelled FOR THE FOLLOWING RIVERS IN 
CENTRAL CALIFORNIA...

	MERCED RIVER AT POHONO BRIDGE

.HEAVY RAIN HAS BEEN FALLING OVER THE UPPER MERCED BASIN AND
YOSEMITE VALLEY FOR THE PAST 8 HOURS BUT IS EXPECTED TO
DECREASE DURING THE NEXT FEW HOURS.  THIS MODERATE LATE SEASON
RAINFALL COUPLED WITH HIGH SNOW LEVELS AND SOME MELTING SNOW
CREATE COMPLEX RIVER FLOW EVENTS.  WHILE THE MERCED RIVER IN THE
YOSEMITE VALLEY HAS EXPERIENCED A SHARP RISE TONIGHT STAGES ARE
EXPECTED TO REMAIN BELOW FLOOD LEVELS. 

FORECASTS ARE BASED ON PRESENT AND FORECASTED METEOROLOGICAL AND 
HYDROLOGIC CONDITIONS AT TIME OF ISSUANCE.

CAC043-021002-
/O.CAN.KHNX.FL.W.0001.000000T0000Z-090502T0932Z/
/POHC1.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
232 AM PDT SAT MAY 02 2009

THE FLOOD WARNING IS CANCELLED FOR
  THE MERCED RIVER AT POHONO BRIDGE.
* AT  2:00 AM SATURDAY THE STAGE WAS 8.4 FEET. 
* FLOOD STAGE 10.0 FT
* FORECAST TO RISE TO NEAR  9.0 FT EARLY THIS MORNING THEN FORECAST 
  TO RECEDE TO NEAR 7.0 FT AFTER MIDNIGHT TOMORROW.
* 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.




PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

MONITOR STAGE...INITIAL ACTION STAGE...ALONG UNLEVEED SECTIONS OF THE
RIVER...OVERBANK FLOWS MAY COVER LOW LYING LANDS AND LOCAL ROADS. 
ALONG FLOOD CONTROL PROJECT LEVEES...LEVEE PATROLS MAY BECOME 
MANDATORY. AT A WEIR...THE POINT AT WHICH OVERFLOW BEGINS AT THE 
WEIR. 

FLOOD STAGE...ALONG UNLEVEED SECTIONS OF THE RIVER...OVERBANK FLOWS 
ARE OF SUFFICIENT MAGNITUDE TO CAUSE CONSIDERABLE INUNDATION OF LAND 
AND ROADS...OR SIGNIFICANT HAZARD TO LIFE AND PROPERTY. ALONG FLOOD 
CONTROL PROJECT LEVEES...THIS IS THE STAGE AT WHICH THE FLOW WITHIN 
THE LEVEE IS AT MAXIMUM DESIGN CAPACITY.



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