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: May 26 2016 at 7:48 AM PDTNext Issuance: May 27 2016 at 9:00 AM PDT
Monitor Stage: N/A Flood Stage: 10.0 Feet
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.

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. Isolated thunderstorms in the afternoon and chance of thunderstorms 20 percent. Near the crest and Scattered thunderstorms and snow showers in the afternoon and Chance of precipitation 50 percent. Not as cool. Highs 66 to 75 at 5000 feet and 51 to 61 at 8000 feet.

Tonight: Partly cloudy in the evening then clearing. Near the crest and mostly cloudy with scattered thunderstorms and snow showers in the evening and then clear after midnight and chance of precipitation 40 percent. Lows 44 to 54 at 5000 feet and 33 to 43 at 8000 feet.

Saturday: Mostly cloudy. Near the crest and mostly cloudy with a slight chance of thunderstorms and snow showers in the morning and Then mostly cloudy with a chance of thunderstorms and snow showers in the afternoon. A 40 percent chance of thunderstorms in the afternoon. Highs 68 to 78 at 5000 feet and 53 to 63 at 8000 feet.

Saturday Night: Partly cloudy. A 40 percent chance of thunderstorms and snow showers in the evening. Lows 45 to 55 at 5000 feet and 33 to 43 at 8000 feet.

Sunday: Mostly cloudy. A 40 percent chance of thunderstorms in the afternoon. Highs 70 to 79 at 5000 feet and 54 to 64 at 8000 feet.

Sunday Night: Partly cloudy. A 40 percent chance of thunderstorms in the evening. Lows 45 to 55 at 5000 feet and 34 to 44 at 8000 feet.

Memorial Day through Wednesday Night: Partly cloudy with a slight chance of thunderstorms. Highs 74 to 84 at 5000 feet and 60 to 70 at 8000 feet. Lows 47 to 57 at 5000 feet and 36 to 46 at 8000 feet.

Thursday: Sunny. Highs 72 to 81 at 5000 feet and 57 to 67 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.