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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: Dec 21 2014 at 8:43 AM PSTNext Issuance: Dec 22 2014 at 9:00 AM PST
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)
Today: Sunny and windy. Highs 55 to 65 at 5000 feet and 43 to 53 at 8000 feet. North winds 25 to 30 mph with gusts to around 55 mph over higher elevations.

Tonight: Mostly clear. Lows 34 to 44 at 5000 feet and 26 to 36 at 8000 feet. Over higher elevations and north winds around 25 mph in the evening. Gusts up to 40 mph in the evening.

Tuesday: Sunny. Highs 56 to 66 at 5000 feet and 44 to 54 at 8000 feet.

Tuesday Night: Mostly clear. Lows 33 to 43 at 5000 feet and 25 to 35 at 8000 feet.

Wednesday: Mostly cloudy. A 50 percent chance of showers in the afternoon. Windy. Snow level above 8000 feet. Highs 56 to 66 at 5000 feet and 43 to 51 at 8000 feet. Gusts up to 45 mph in the afternoon. Over higher elevations and west winds 25 to 35 mph with gusts to around 65 mph in the afternoon.

Wednesday Night: Mostly cloudy in the evening then becoming partly cloudy. A 50 percent chance of showers. Windy. Lows 32 to 40 at 5000 feet and 21 to 29 at 8000 feet.

Christmas Day: Mostly cloudy with a slight chance of snow showers. Breezy. Highs 45 to 53 at 5000 feet and 34 to 40 at 8000 feet.

Thursday Night through Friday Night: Mostly clear. Lows 29 to 38 at 5000 feet and 19 to 29 at 8000 feet. Highs 46 to 56 at 5000 feet and 34 to 44 at 8000 feet.

Saturday through Sunday: Partly cloudy. Windy. Highs 49 to 59 at 5000 feet and 37 to 47 at 8000 feet. Lows 30 to 39 at 5000 feet and 21 to 31 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.