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 NP AT POHONO BRIDGE (POHC1)
Latitude: 37.72º NLongitude: 119.67º WElevation: 3862 Feet
Location: Mariposa County in CaliforniaRiver Group: San Joaquin
Issuance Time: Nov 17 2018 at 7:15 AM PSTNext Issuance: Nov 18 2018 at 9:00 AM PST
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
2017
10,500
12.69
Jan 9, 2017
2016
4,080
7.90
May 14, 2016
2015
2,370
6.16
Feb 9, 2015
2014
1,680
5.33
Apr 19, 2014
2013
2,780
6.62
Apr 30, 2013
 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 sunny. Highs 57 to 65 at 5000 feet and 48 to 54 at 8000 feet.

Tonight: Partly cloudy. Lows 35 to 45 at 5000 feet and 28 to 36 at 8000 feet.

Monday: Mostly sunny. Highs 55 to 63 at 5000 feet and 47 to 53 at 8000 feet.

Monday Night: Mostly cloudy. Lows 35 to 45 at 5000 feet and 28 to 36 at 8000 feet.

Tuesday: Mostly sunny. Highs 54 to 62 at 5000 feet and 47 to 53 at 8000 feet.

Tuesday Night: Snow showers likely after midnight. Chance of snow 70 percent. Lows 34 to 44 at 5000 feet and 28 to 34 at 8000 feet.

Wednesday: Snow showers likely. Showers likely. Breezy. Chance of precipitation 70 percent. Highs 45 to 53 at 5000 feet and 37 to 45 at 8000 feet.

Wednesday Night: Snow showers. Windy. Lows 32 to 40 at 5000 feet and 24 to 30 at 8000 feet.

Thanksgiving Day: Snow showers likely. Showers likely. Breezy. Chance of precipitation 70 percent. Highs 40 to 46 at 5000 feet and 30 to 36 at 8000 feet.

Thursday Night: Partly cloudy with a chance of snow showers. Chance of showers. Breezy. Chance of precipitation 50 percent. Lows 28 to 38 at 5000 feet and 21 to 27 at 8000 feet.

Friday: Snow showers likely. Windy. Chance of precipitation 70 percent. Highs 39 to 47 at 5000 feet and 31 to 39 at 8000 feet.

Friday Night: Mostly cloudy in the evening then becoming partly cloudy. Chance of snow showers. Chance of showers. Breezy. Chance of precipitation 50 percent. Lows 30 to 40 at 5000 feet and 23 to 29 at 8000 feet.

Saturday: Mostly cloudy with a slight chance of showers. Breezy. Highs 42 to 50 at 5000 feet and 33 to 41 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.
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.