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: Aug 17 2019 at 8:17 AM PDTNext Issuance: Aug 18 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
2018
12,100
13.68
Apr 7, 2018
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
 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)
Tonight: Clear. Lows 53 to 63 at 5000 feet and 44 to 54 at 8000 feet.

Sunday: Sunny. Highs 75 to 84 at 5000 feet and 66 to 74 at 8000 feet.

Sunday Night: Clear. Lows 50 to 60 at 5000 feet and 41 to 50 at 8000 feet.

Monday: Sunny. Highs 74 to 83 at 5000 feet and 64 to 74 at 8000 feet.

Monday Night: Clear. Lows 52 to 62 at 5000 feet and 43 to 53 at 8000 feet.

Tuesday through Thursday: Clear. Highs 79 to 89 at 5000 feet and 69 to 79 at 8000 feet. Lows 55 to 65 at 5000 feet and 46 to 56 at 8000 feet.

Thursday Night and Friday: Mostly clear. Lows 56 to 66 at 5000 feet and 46 to 56 at 8000 feet. Highs 80 to 88 at 5000 feet and 69 to 77 at 8000 feet.

Friday Night: Clear. Lows 55 to 65 at 5000 feet and 45 to 55 at 8000 feet.

Saturday: Sunny. Highs 78 to 86 at 5000 feet and 67 to 75 at 8000 feet.
Impacts - E19 Information
7.0 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".
12.5 FeetNorthside Drive and Southside Drive, which are the major 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.