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: Apr 22 2019 at 8:47 AM PDTNext Issuance: Apr 23 2019 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
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   (CAZ192)
Today: Sunny, breezy. Not as cool. Highs 67 to 75 at 5000 feet and 54 to 64 at 8000 feet. Northeast winds around 25 mph over higher elevations.

Tonight: Clear. Lows 45 to 53 at 5000 feet and 34 to 42 at 8000 feet.

Wednesday: Sunny. Highs 69 to 77 at 5000 feet and 56 to 66 at 8000 feet.

Wednesday Night: Mostly clear. Lows 47 to 55 at 5000 feet and 35 to 43 at 8000 feet.

Thursday: Sunny. Highs 70 to 78 at 5000 feet and 58 to 66 at 8000 feet.

Thursday Night: Partly cloudy. Lows 46 to 54 at 5000 feet and 34 to 42 at 8000 feet.

Friday: Mostly cloudy. Highs 68 to 76 at 5000 feet and 56 to 64 at 8000 feet.

Friday Night: Mostly cloudy in the evening then clearing. Lows 45 to 53 at 5000 feet and 33 to 41 at 8000 feet.

Saturday: Mostly sunny in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Highs 66 to 74 at 5000 feet and 55 to 63 at 8000 feet.

Saturday Night: Mostly cloudy in the evening then clearing. Lows 43 to 51 at 5000 feet and 32 to 40 at 8000 feet.

Sunday: Mostly cloudy. Slight chance of showers in the morning, then chance of showers in the afternoon. Chance of precipitation 40 percent. Highs 61 to 69 at 5000 feet and 50 to 58 at 8000 feet.

Sunday Night and Monday: Mostly cloudy with a slight chance of showers. Lows 41 to 49 at 5000 feet and 31 to 39 at 8000 feet. Highs 59 to 67 at 5000 feet and 47 to 57 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.