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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: Apr 19 2014 at 9:41 AM PDTNext Issuance: Apr 20 2014 at 9:00 AM PDT
Monitor Stage: N/A Flood Stage: 10.0 Feet
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Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
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
2008
4,370
8.13
May 18, 2008
 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
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Official 7 Day National Weather Service Forecast   (CAZ096)
Today: Mostly sunny. Highs 69 to 79 at 5000 feet and 53 to 63 at 8000 feet.

Tonight: Partly cloudy. Lows 39 to 49 at 5000 feet and 31 to 41 at 8000 feet.

Monday: Mostly cloudy. Near the crest and slight chance of snow showers in the afternoon. No snow accumulation. Highs 69 to 79 at 5000 feet and 53 to 63 at 8000 feet.

Monday Night: Mostly cloudy with a chance of snow showers and slight chance of showers. Breezy and colder. Chance of precipitation 40 percent. Snow level above 8000 feet. Lows 37 to 45 at 5000 feet and 28 to 36 at 8000 feet. Southwest winds around 25 mph with gusts to around 45 mph over higher elevations.

Tuesday: Mostly cloudy with a 50 percent chance of snow showers. Windy and cooler. Snow level 6500 feet. Highs 49 to 59 at 5000 feet and 37 to 43 at 8000 feet. Southwest winds around 25 mph in the afternoon. Gusts up to 40 mph. Over higher elevations and Southwest winds 25 to 30 mph with gusts to around 50 mph.

Tuesday Night: Mostly cloudy with a slight chance of snow showers. Windy and colder. Lows 25 to 35 at 5000 feet and 17 to 23 at 8000 feet.

Wednesday: Mostly cloudy. Highs 53 to 61 at 5000 feet and 41 to 49 at 8000 feet.

Wednesday Night through Thursday Night: Partly cloudy. Lows 32 to 42 at 5000 feet and 24 to 34 at 8000 feet. Highs 55 to 65 at 5000 feet and 44 to 54 at 8000 feet.

Friday: Mostly cloudy with a slight chance of rain and snow. Highs 60 to 68 at 5000 feet and 46 to 54 at 8000 feet.

Friday Night: Mostly cloudy with a slight chance of showers. Windy. Lows 36 to 42 at 5000 feet and 26 to 32 at 8000 feet.

Saturday: Mostly cloudy with a 50 percent chance of snow showers. Windy. Highs 54 to 60 at 5000 feet and 41 to 47 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.