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: Feb 23 2017 at 1:41 PM PSTNext Issuance: Feb 24 2017 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
2015
2,370
6.16
Feb 9, 2015
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
 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 36 to 42 at 5000 feet and 26 to 31 at 8000 feet. Over higher elevations, gusts up to 45 mph in the morning.

Tonight: Partly cloudy. Near the crest, a 20 percent chance of snow showers after midnight. Lows 20 to 30 at 5000 feet and 6 to 16 at 8000 feet. Southwest winds 25 to 30 mph with gusts to around 50 mph over higher elevations.

Saturday: Mostly cloudy. Slight chance of snow showers in the morning, then chance of snow showers in the afternoon. Chance of snow 50 percent. Breezy. Highs 36 to 42 at 5000 feet and 25 to 30 at 8000 feet. Over higher elevations, southwest winds 25 to 30 mph with gusts to around 55 mph in the morning.

Saturday Night: Chance of snow showers in the evening, then snow showers likely after midnight. Chance of snow 70 percent. Snow accumulation up to 1 inch. Lows 20 to 30 at 5000 feet and 7 to 17 at 8000 feet.

Sunday: Snow showers likely. Chance of snow 70 percent. Snow accumulation up to 1 inch. Highs 36 to 42 at 5000 feet and 27 to 32 at 8000 feet. Over higher elevations, gusts up to 40 mph in the afternoon.

Sunday Night and Monday: Snow showers likely. Breezy. Chance of snow 70 percent. Lows 23 to 32 at 5000 feet and 11 to 19 at 8000 feet. Highs 34 to 42 at 5000 feet and 23 to 32 at 8000 feet.

Monday Night: Mostly cloudy with a 40 percent chance of snow showers. Colder. Lows 19 to 29 at 5000 feet and 4 to 14 at 8000 feet.

Tuesday: Mostly cloudy with a slight chance of snow showers. Not as cold. Highs 38 to 46 at 5000 feet and 30 to 35 at 8000 feet.

Tuesday Night: Partly cloudy. Lows 22 to 32 at 5000 feet and 11 to 21 at 8000 feet.

Wednesday and Wednesday Night: Mostly clear. Highs 45 to 53 at 5000 feet and 35 to 43 at 8000 feet. Lows 24 to 34 at 5000 feet and 14 to 24 at 8000 feet.

Thursday: Sunny. Highs 48 to 58 at 5000 feet and 39 to 49 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.