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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: Mostly clear. Lows 51 to 59. Southeast winds up to 5 mph shifting to the east after midnight. Sunday: Sunny. Highs 73 to 85. Southeast winds up to 5 mph shifting to the southwest in the afternoon. Sunday Night: Mostly clear. Lows 52 to 60. Northeast winds up to 5 mph. Monday: Sunny. Highs 74 to 86. Northeast winds up to 5 mph shifting to the west in the afternoon. Monday Night: Mostly clear. Lows 53 to 61. Northwest winds up to 5 mph shifting to the east after midnight. Tuesday and Tuesday Night: Mostly clear. Highs 75 to 87. Lows 52 to 62. Wednesday: Sunny. Highs 77 to 87. Wednesday Night through Saturday: Mostly clear. Lows 52 to 63. Highs 74 to 87. |
| 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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