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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) |
| Today: Sunny. Slight chance of rain late in the morning. Slight chance of thunderstorms in the afternoon. Highs 76 to 90. Southwest winds up to 5 mph increasing to 5 to 15 mph in the afternoon. Chance of precipitation 20 percent. Tonight: Partly cloudy with a 20 percent chance of thunderstorms in the evening, then clear after midnight. Lows 58 to 66. West winds up to 10 mph shifting to the east after midnight. Thursday: Sunny. Highs 77 to 89. South winds up to 10 mph shifting to the southwest in the afternoon. Thursday Night: Cooler. Mostly clear. Lows 51 to 59. Southwest winds 5 to 10 mph shifting to the east after midnight. Independence Day: Sunny. Highs 69 to 83. South winds up to 5 mph increasing to southwest 10 to 15 mph in the afternoon. Friday Night through Monday: Clear. Lows 51 to 64. Highs 74 to 93. Monday Night and Tuesday: Clear. Lows 59 to 67. Highs 82 to 94. |
| 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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