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National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service
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MERCED RIVER - YOSEMITE AT POHONO BRIDGE (POHC1)
Latitude: 37.72º NLongitude: 119.67º WElevation: 3862 Feet
Location: Mariposa County in CaliforniaRiver Group: San Joaquin
Issuance Time: Aug 20 2014 at 7:03 AM PDTNext Issuance: Aug 21 2014 at 9:00 AM PDT
Monitor Stage: N/A Flood Stage: 10.0 Feet
Verification - Historical Graphical RVF
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Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2013
2,780
6.62
Apr 30, 2013
2012
4,230
8.04
Apr 26, 2012
2011
7,160
10.43
Jun 16, 2011
2010
7,010
10.45
Jun 07, 2010
2009
4,900
8.78
May 02, 2009
 Historical High Stage/Flow Events (Period of Record - Oct 1916 to Present)
1997
24,600
23.43
Jan 03, 1997
1956
23,400
21.52
Dec 23, 1955
1951
23,000
19.98
Nov 19, 1950
1938
22,000
19.10
Dec 11, 1937
1965
18,000
16.96
Dec 23, 1964
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ096)
Tonight: Mostly cloudy with a 20 percent chance of thunderstorms in the evening and then mostly clear after midnight. Lows 51 to 61 at 5000 feet and 43 to 49 at 8000 feet.

Thursday: Mostly sunny. Highs 83 to 89 at 5000 feet and 64 to 72 at 8000 feet.

Thursday Night: Partly cloudy. Near the crest and mostly cloudy in the evening then becoming partly cloudy. Lows 52 to 60 at 5000 feet and 45 to 50 at 8000 feet.

Friday: Sunny. Highs 84 to 90 at 5000 feet and 64 to 72 at 8000 feet.

Friday Night: Partly cloudy. Lows 49 to 59 at 5000 feet and 41 to 47 at 8000 feet.

Saturday through Monday Night: Partly cloudy. Highs 81 to 91 at 5000 feet and 63 to 73 at 8000 feet. Lows 51 to 61 at 5000 feet and 41 to 51 at 8000 feet.

Tuesday through Wednesday: Mostly clear. Highs 84 to 94 at 5000 feet and 68 to 74 at 8000 feet. Lows 53 to 63 at 5000 feet and 45 to 52 at 8000 feet.
Impacts - E19 Information
6.5 FeetRiver is closed to rafters and floatation.
9.0 FeetChapel Meadow (south side of river) and Cooks Meadow (north side of river) begins to experience overflow.
9.5 FeetPortion 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)
10.0 FeetWestern 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.
10.5 FeetWater tops the swinging bridge downstream from Chapel Meadow. Overflow from Woski Pond floods access road (Northside Drive) leading out of the west entrance of the park.
11.5 FeetSewage pumping relay station at North Pines Campground becomes flooded.
12.5 FeetNorthside Drive and Southside Drive, which are the main roads in Yosemite Valley, become flooded and are closed to traffic.
23.45 FeetFlood of record (01/02/1997). $178 Million damage to Yosemite Valley.
Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS San Joaquin Valley-Hanford Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.

Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View USGS Data for this station location.