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: Jul 03 2015 at 7:37 AM PDTNext Issuance: Jul 04 2015 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
2014
1,680
5.33
Apr 19, 2014
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
 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: Mostly cloudy. A 20 percent chance of thunderstorms. Near the crest and slight chance of thunderstorms in the morning and Then chance of thunderstorms in the afternoon. Highs 85 to 95 at 5000 feet and 68 to 78 at 8000 feet.

Tonight: Mostly cloudy with a chance of thunderstorms in the evening and then partly cloudy with a slight chance of showers after midnight. Chance of precipitation 40 percent. Lows 60 to 69 at 5000 feet and 49 to 59 at 8000 feet.

Independence Day: Mostly cloudy. Slight chance of showers in the morning and then chance of thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs 84 to 94 at 5000 feet and 68 to 78 at 8000 feet.

Saturday Night: Mostly cloudy with a chance of thunderstorms in the evening and then mostly clear with a slight chance of showers after midnight. Chance of precipitation 50 percent. Lows 58 to 68 at 5000 feet and 47 to 57 at 8000 feet.

Sunday: Mostly cloudy. Slight chance of showers in the morning and then chance of thunderstorms in the afternoon. Chance of precipitation 40 percent. Highs 83 to 93 at 5000 feet and 66 to 76 at 8000 feet.

Sunday Night: Mostly cloudy with a 40 percent chance of thunderstorms in the evening and then mostly clear after midnight. Lows 57 to 67 at 5000 feet and 46 to 56 at 8000 feet.

Monday and Monday Night: Partly cloudy. Slight chance of thunderstorms. Highs 82 to 92 at 5000 feet and 65 to 75 at 8000 feet. Lows 56 to 66 at 5000 feet and 46 to 56 at 8000 feet.

Tuesday and Tuesday Night: Mostly clear. Slight chance of thunderstorms. Highs 79 to 89 at 5000 feet and 63 to 73 at 8000 feet. Lows 55 to 65 at 5000 feet and 44 to 54 at 8000 feet.

Wednesday through Thursday: Mostly clear. Highs 77 to 87 at 5000 feet and 60 to 70 at 8000 feet. Lows 52 to 62 at 5000 feet and 42 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.