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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: Rain showers likely and slight chance of thunderstorms in the late morning and early afternoon. Rain likely and chance of thunderstorms late in the afternoon. Highs 44 to 54. Southwest winds up to 10 mph. Chance of precipitation 60 percent. Tonight: Mostly cloudy with a 40 percent chance of thunderstorms in the evening, then clear after midnight. Lows 34 to 40. Northeast winds up to 10 mph. Wednesday: Warmer, sunny. Highs 55 to 65. Northeast winds up to 5 mph shifting to the west in the afternoon. Wednesday Night: Mostly cloudy in the evening then clearing. Lows 41 to 47. West winds up to 10 mph shifting to the east after midnight. Thursday: Warmer, sunny. Highs 61 to 73. Southeast winds up to 5 mph shifting to the west in the afternoon. Thursday Night through Friday Night: Mostly cloudy. Lows 45 to 52. Highs 61 to 73. Saturday: Partly sunny. Highs 52 to 62. Saturday Night: Mostly cloudy with a 30 percent chance of rain in the evening, then partly cloudy after midnight. Lows 39 to 45. Sunday: Partly sunny. Highs 50 to 60. Sunday Night: Mostly cloudy in the evening then clearing. Lows 40 to 46. Monday: Warmer, sunny. Highs 61 to 71. |
| 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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