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| Latitude: 37.72º N | Longitude: 119.67º W | Elevation: 3862 Feet | |||
| Location: Mariposa County in California | Bulletin Group: San Joaquin | River Group: San Joaquin | |||
| Action/Monitor: N/A | Minor Flood: 10.0 Feet | Moderate Flood: 12.5 Feet | Major Flood: 20.0 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 | |||
2024 |
5,090 |
8.79 |
May 16, 2024 |
2023 |
9,520 |
12.08 |
May 22, 2023 |
2022 |
4,810 |
8.55 |
Oct 25 2021 |
2021 |
2,160 |
5.92 |
May 6, 2021 |
2020 |
3,560 |
7.41 |
Apr 30, 2020 |
| 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 |
| Flood Impacts | |
| 23.45 Feet | Flood of record...1/3/97. $178 million damage to Yosemite Valley. |
| 13.6 Feet | Lift stations at Housekeeping Camp and Yosemite Creek flooded. Southside Drive at Chapel Meadow impassable. |
| 12.5 Feet | Northside Drive at Wosky Pond, El Capitan crossover, and Sentinel crossover are impassable to vehicles. |
| 12.0 Feet | Water on road at Northside Drive, Southside Drive, El Capitan crossover, Sentinel crossover, and Highway 140 near Cookie Cliff. |
| 11.4 Feet | Water begins to overtop road curbs on Northside Drive. Swinging Bridge overtops. |
| 10.0 Feet | Merced River at Pohono Bridge begins to rise out of its banks. Flood Stage. |
| 9.5 Feet | Lower Pines and Housekeeping Camp begin flooding. |
| 7.0 Feet | RIVER IS CLOSED TO RAFTERS AND FLOATATION DEVICES. |
| Official 7 Day National Weather Service Forecast (CAZ324) |
| Tonight: Clear. Lows 57 to 65. Northwest winds up to 10 mph shifting to the east after midnight. Monday: Sunny. Highs 78 to 92. Southwest winds up to 5 mph increasing to 10 to 15 mph in the afternoon. Monday Night: Clear. Lows 55 to 63. South winds 5 to 10 mph shifting to the east after midnight. Tuesday: Sunny. Highs 76 to 90. Southeast winds up to 5 mph increasing to southwest 10 to 15 mph in the afternoon. Tuesday Night: Clear. Lows 55 to 63. Southwest winds 5 to 10 mph shifting to the east after midnight. Wednesday through Sunday: Clear. Highs 77 to 97. Lows 57 to 69. |
| 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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