CNRFC - Hydrology - River Guidance - Graphical RVF

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:

Feb 15 2019 at 3:10 PM PST

Next Issuance:

Feb 16 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 showers. Very windy. Colder. Snow accumulation up to 4 inches. Lows 20 to 26 at 5000 feet and 8 to 16 at 8000 feet. West winds around 25 mph with gusts to around 45 mph and southwest 35 to 45 mph with gusts to around 70 mph over higher elevations.

Saturday: Snow showers. Very windy. Snow accumulation up to 6 inches. Highs 29 to 34 at 5000 feet and 18 to 23 at 8000 feet. Southwest winds around 25 mph with gusts to around 45 mph and Southwest 35 to 45 mph with gusts to around 70 mph over higher elevations.

Saturday Night: Snow showers, west winds around 25 mph with gusts to around 45 mph in the evening. Near the crest, snow showers likely in the evening, then snow showers after midnight. Over higher elevations, southwest winds 25 to 35 mph, gusts up to 60 mph in the evening decreasing to 40 mph after midnight. Windy. Snow accumulation up to 3 inches. Lows 20 to 25 at 5000 feet and 6 to 12 at 8000 feet.

Sunday: Snow showers. Snow accumulation up to 2 inches. Total snow accumulation 4 to 30 inches. Highs 30 to 35 at 5000 feet and 17 to 22 at 8000 feet.

Sunday Night: Mostly cloudy. Chance of snow showers in the evening, then slight chance of snow showers after midnight. Breezy. Chance of snow 50 percent. Lows 15 to 21 at 5000 feet and 4 to 10 at 8000 feet. North winds around 25 mph with gusts to around 40 mph over higher elevations.

Washingtons Birthday: Mostly sunny with a slight chance of snow showers. Highs 32 to 38 at 5000 feet and 18 to 26 at 8000 feet.

Monday Night and Tuesday: Mostly clear. Lows 23 to 31 at 5000 feet and 3 to 13 at 8000 feet. Highs 34 to 40 at 5000 feet and 24 to 30 at 8000 feet.

Tuesday Night: Partly cloudy. Slight chance of snow showers after midnight. Lows 20 to 26 at 5000 feet and 8 to 14 at 8000 feet.

Wednesday: Mostly cloudy. Slight chance of snow showers in the morning, then chance of snow showers in the afternoon. Breezy. Chance of snow 50 percent. Highs 34 to 40 at 5000 feet and 23 to 29 at 8000 feet.

Wednesday Night: Snow showers likely in the evening, then chance of snow showers after midnight. Chance of snow 70 percent. Lows 24 to 30 at 5000 feet and 11 to 17 at 8000 feet.

Thursday: Cloudy with a 50 percent chance of snow showers. Breezy. Highs 32 to 38 at 5000 feet and 23 to 29 at 8000 feet.

Thursday Night: Mostly cloudy. Slight chance of snow showers in the evening. Breezy. Lows 21 to 29 at 5000 feet and 6 to 14 at 8000 feet.

Friday: Mostly sunny. Not as cold. Highs 39 to 45 at 5000 feet and 29 to 37 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.

NWS RSS Feed

Verification - Historical Graphical RVF
Month:	Day:	Year:	Cycle:
To view other verification locations, use our Historical Graphical River Forecast Interface.