     MERCED RIVER - YOSEMITE 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: | May 18 2013 at 9:14 AM PDT | Next Issuance: | May 19 2013 at 9:00 AM PDT
|
| Monitor Stage: N/A | Flood Stage: 10.0 Feet |

Historical Stage/Flow Data |
|
Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
| Most Recent 5 Years |
2012 |
4,230 |
8.04 |
Apr 26, 2012 |
2011 |
7,160 |
10.43 |
Jun 16, 2011 |
2010 |
7,010 |
10.45 |
Jun 07, 2010 |
2009 |
4,900 |
8.78 |
May 02, 2009 |
2008 |
4,370 |
8.13 |
May 18, 2008 |
| 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 |
| Official 7 Day National Weather Service Forecast (CAZ096) | Today: Sunny and warmer. Highs 65 to 75 at 5000 feet and 54 to
64 at 8000 feet.
Tonight: Mostly clear. Lows 40 to 50 at 5000 feet and 31 to 41 at
8000 feet.
Sunday: Sunny. Highs 69 to 79 at 5000 feet and 57 to 67 at
8000 feet.
Sunday Night: Clear. Lows 41 to 51 at 5000 feet and 34 to 44 at
8000 feet.
Monday: Sunny. Highs 73 to 83 at 5000 feet and 60 to 70 at
8000 feet.
Monday Night through Tuesday Night: Mostly clear. Windy. Lows
41 to 51 at 5000 feet and 33 to 43 at 8000 feet. Highs 72 to 82 at 5000 feet and 59 to 69 at 8000 feet.
Wednesday and Wednesday Night: Mostly clear. Breezy and cooler.
Highs 61 to 71 at 5000 feet and 50 to 60 at 8000 feet. Lows 39 to 49 at 5000 feet and 31 to 41 at 8000 feet.
Thursday and Thursday Night: Partly cloudy. Highs 54 to 64 at
5000 feet and 43 to 53 at 8000 feet. Lows 35 to 45 at 5000 feet and 29 to 39 at 8000 feet.
Friday: Mostly sunny. Highs 59 to 69 at 5000 feet and 48 to 58 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. |
| 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 pumping relay station at North Pines Campground becomes flooded. |
| 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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Webmaster
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
California-Nevada River Forecast Center
3310 El Camino Avenue, Room 227
Sacramento, CA 95821-6373
Tel: (916) 979-3056
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