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Latitude: 37.72º N | Longitude: 119.67º W | Elevation: 3862 Feet | |
Location: Mariposa County in California | River Group: San Joaquin |
Monitor Stage: N/A | Flood Stage: 10.0 Feet |
Observed Data Credit | |
![]() | Raw streamflow data is provided by the US Geological Survey (USGS). |
Historical Stage/Flow Data |
|||
Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
Most Recent 5 Years | |||
2020 |
3,560 |
7.41 |
Apr 30, 2020 |
2019 |
6,770 |
10.13 |
Jun 6, 2019 |
2018 |
12,100 |
13.68 |
Apr 7, 2018 |
2017 |
10,500 |
12.69 |
Jan 9, 2017 |
2016 |
4,080 |
7.90 |
May 14, 2016 |
Historical High Stage/Flow Events (Period of Record - Oct 1916 to Present) - Ranked by Flow | |||
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 | ||
ESRI™ Locator Map |
Official 7 Day National Weather Service Forecast (CAZ324) |
Today: Sunny. Highs 71 to 81. Light winds in the morning becoming west around 10 mph in the afternoon. Tonight: Clear. Lows 51 to 61. North winds up to 10 mph in the evening becoming light and variable after midnight. Wednesday: Sunny. Highs 75 to 85. Light winds in the morning becoming west around 10 mph in the afternoon. Wednesday Night: Mostly clear. Lows 52 to 62. Northwest winds around 10 mph in the evening becoming light and variable after midnight. Thursday: Sunny. Highs 74 to 84. Light winds in the morning becoming west 10 to 15 mph in the afternoon. Thursday Night and Friday: Mostly clear. Lows 47 to 55. Highs 69 to 79. Friday Night and Saturday: Clear. Lows 46 to 56. Highs 72 to 82. Saturday Night through Monday: Mostly clear. Lows 51 to 61. Highs 76 to 86. |
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. |
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. |