CNRFC - Hydrology - River Guidance - Graphical RVF

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MERCED RIVER - YOSEMITE NP AT POHONO BRIDGE (POHC1)

Latitude: 37.72º N	Longitude: 119.67º W	Elevation: 3862 Feet
Location: Mariposa County in California		River Group: San Joaquin

Issuance Time:

Jan 20 2019 at 8:11 AM PST

Next Issuance:

Jan 21 2019 at 9:00 AM PST

Monitor Stage: N/A

Flood Stage: 10.0 Feet

Observed Data Credit
	Raw streamflow data is provided by the US Geological Survey (USGS). View USGS Data for this station location.

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
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ096)

Tonight: Snow and rain and snow near the crest. Very windy. Colder. Snow accumulation up to 11 inches. Total snow accumulation up to 13 inches. Snow level 5500 feet. Lows 28 to 34 at 5000 feet and 16 to 22 at 8000 feet. West winds 35 to 45 mph with gusts to around 75 mph.

Martin Luther King Jr Day: Cloudy in the morning then becoming mostly cloudy. Snow likely in the morning, west winds 25 to 30 mph with gusts to around 50 mph in the morning. Near the crest, chance of snow in the morning. Over higher elevations, northwest winds 25 to 35 mph, gusts up to 65 mph in the morning decreasing to 40 mph in the afternoon. Slight chance of snow in the afternoon. Chance of snow 50 percent. Windy. Highs 36 to 42 at 5000 feet and 25 to 31 at 8000 feet.

Monday Night: Mostly clear. Breezy. Lows 25 to 33 at 5000 feet and 13 to 21 at 8000 feet. Northwest winds 25 to 30 mph with gusts to around 45 mph over higher elevations.

Tuesday: Sunny, breezy. Not as cold. Highs 42 to 48 at 5000 feet and 34 to 42 at 8000 feet. Over higher elevations, north winds 25 to 30 mph with gusts to around 45 mph in the morning.

Tuesday Night: Clear. Lows 30 to 36 at 5000 feet and 21 to 29 at 8000 feet.

Wednesday: Sunny. Highs 49 to 55 at 5000 feet and 39 to 46 at 8000 feet.

Wednesday Night through Sunday: Mostly clear. Breezy. Lows 31 to 41 at 5000 feet and 20 to 30 at 8000 feet. Highs 50 to 59 at 5000 feet and 40 to 50 at 8000 feet.

Impacts - E19 Information
6.5 Feet	River is closed to rafters and floatation.
9.0 Feet	Chapel Meadow (south side of river) and Cooks Meadow (north side of river) begins to experience overflow.
9.5 Feet	Portion 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 Feet	Western 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 Feet	Northside Drive and Southside Drive, which are the main roads in Yosemite Valley, become flooded and are closed to traffic.
23.45 Feet	Flood 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.

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Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.