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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) |
Today: Mostly sunny. A 20 percent chance of rain late in the afternoon. Highs 47 to 53. East winds up to 10 mph shifting to the south in the afternoon. Tonight: Windy. Rain and snow in the evening, then rain, snow and slight chance of thunderstorms after midnight. Precipitation may be heavy at times. Snow accumulation up to 13 inches. Lows 28 to 34. South winds 15 to 25 mph shifting to the southwest 20 to 30 mph after midnight. Gusts up to 45 mph. Chance of precipitation near 100 percent. Sunday: Colder. Snow and rain in the morning, then snow showers in the afternoon. Snow may be heavy at times. Snow accumulation up to 10 inches. Total snow accumulation up to 23 inches. Snow level 4100 feet. Near steady temperature in the lower 30s. Southwest winds 5 to 15 mph. Chance of precipitation near 100 percent. Sunday Night: Colder. Mostly cloudy in the evening then clearing. Lows 20 to 26. Northeast winds up to 10 mph. Monday: Sunny. Highs 40 to 46. Northeast winds 5 to 10 mph shifting to the northwest in the afternoon. Monday Night through Wednesday Night: Mostly clear. Lows 29 to 37. Highs 46 to 53. Thursday through Friday: Mostly clear. Highs 51 to 58. Lows 33 to 39. |
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. |