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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 | |||
2021 |
2,160 |
5.92 |
May 6, 2021 |
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 |
| 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) |
| Tonight: Partly cloudy. Lows 53 to 61. Northwest winds up to 10 mph in the evening becoming light and variable after midnight. Friday: Mostly cloudy. Highs 69 to 79. West winds up to 10 mph. Friday Night: Partly cloudy. Lows 48 to 56. Southwest winds up to 10 mph in the evening becoming light and variable after midnight. Saturday: Mostly cloudy. Highs 59 to 69. Light winds in the morning becoming southwest around 10 mph in the afternoon. Saturday Night: Partly cloudy. Colder. Lows 38 to 48. West winds around 10 mph in the evening becoming light and variable after midnight. Sunday through Memorial Day: Mostly clear. Highs 57 to 67. Lows 35 to 45. Monday Night: Partly cloudy in the evening then becoming clear. Lows 40 to 50. Tuesday: Sunny, warmer. Highs 66 to 76. Tuesday Night: Mostly clear. Lows 46 to 56. Wednesday: Sunny, warmer. Highs 73 to 83. Wednesday Night and Thursday: Mostly clear. Lows 50 to 60. Highs 75 to 85. |
| 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. |
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