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MERCED RIVER - YOSEMITE AT POHONO BRIDGE (POHC1)

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

Issuance Time:

Sep 28, 2023 at 8:12 AM PDT

Monitor Stage: N/A

Flood Stage: 10.0 Feet

Please Note:

Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

Short-Range Peak Exceedance Plot Product Information Plot Type:

CSV Ensemble File Download (Data in feet): POHC1

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		Official Forecast (Deterministic)
		Ensemble Mean
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	Hourly Probabilities
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		5-25% chance
		25-40% chance
		40-60% chance

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Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Impacts - E19 Information
7.0 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".
12.5 Feet	Northside Drive and Southside Drive, which are the major 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.

Official 7 Day National Weather Service Forecast (CAZ324)

Today: Sunny. Highs 65 to 75. South winds up to 5 mph shifting to the west 5 to 15 mph in the afternoon.

Tonight: Colder. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely and slight chance of thunderstorms after midnight. Lows 41 to 47. Northwest winds up to 10 mph shifting to the west after midnight. Chance of precipitation 70 percent.

Saturday: Cooler. Rain showers and chance of thunderstorms. Highs 47 to 57. Southwest winds 5 to 10 mph. Chance of precipitation 80 percent.

Saturday Night: Mostly cloudy. Chance of rain showers in the evening. Lows 37 to 45. Northwest winds up to 5 mph. Chance of showers 30 percent.

Sunday: Partly sunny with a 40 percent chance of rain. Highs 51 to 61. Northwest winds up to 5 mph shifting to the west in the afternoon.

Sunday Night: Mostly cloudy in the evening then clearing. Lows 37 to 47.

Monday and Monday Night: Mostly clear. Highs 60 to 70. Lows 42 to 52.

Tuesday and Tuesday Night: Mostly clear. Highs 66 to 76. Lows 48 to 56.

Wednesday: Sunny. Highs 71 to 81.

Wednesday Night and Thursday: Mostly clear. Lows 49 to 59. Highs 71 to 81.

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