CNRFC - Hydrology - River Guidance - Graphical RVF

MERCED RIVER - YOSEMITE AT POHONO BRIDGE (POHC1)

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

Monitor Stage: N/A

Flood Stage: 10.0 Feet

Historical Info	Peak Discharge	Stage	Date
Period of Record	24,600 cfs	23.43 feet	Jan 02, 1997
Dec 1996-Jan 1997	24,600 cfs	23.43 feet	Jan 02
1955	23,400 cfs	21.52 feet	Dec 23
1950	23,000 cfs	20.98 feet	Nov 19

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

Regional Location Map		Gage Station Location Map

Official 7 Day National Weather Service Forecast (CAZ096)

Today: Sunny. Highs 51 to 61 at 5000 feet and 42 to 52 at 8000 feet.

Tonight: Mostly clear. Lows 30 to 40 at 5000 feet and 22 to 32 at 8000 feet.

Tuesday: Sunny. Not as cool. Highs 59 to 69 at 5000 feet and 49 to 59 at 8000 feet.

Tuesday Night: Clear. Lows 33 to 43 at 5000 feet and 26 to 36 at 8000 feet.

Wednesday: Sunny. Highs 59 to 69 at 5000 feet and 49 to 59 at 8000 feet.

Wednesday Night and Thanksgiving Day: Clear. Lows 34 to 44 at 5000 feet and 26 to 36 at 8000 feet. Highs 57 to 65 at 5000 feet and 47 to 57 at 8000 feet.

Thursday Night: Mostly clear. Lows 32 to 42 at 5000 feet and 23 to 33 at 8000 feet.

Friday through Sunday: Partly cloudy. Highs 52 to 60 at 5000 feet and 41 to 51 at 8000 feet. Lows 30 to 40 at 5000 feet and 21 to 31 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 Tenya Creek, begins to flood. Water rises to the base of the swinging bridge downstream from Chapel Meadow.
10.5 Feet	Water 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 Feet	Sewage pumps relay station at North Pines Campground becomes flooded.
23.5 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.