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Latitude: 37.72º N | Longitude: 119.67º W | Elevation: 3862 Feet | |
Location: Mariposa County in California | River Group: San Joaquin |
Issuance Time: | Aug 16 2022 at 7:57 AM PDT | Next Issuance: | Aug 17 2022 at 9:00 AM PDT |
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: Sunny. Haze in the morning. A 20 percent chance of showers late in the afternoon. Highs 88 to 98. Southeast winds up to 5 mph shifting to the southwest in the afternoon. Tonight: Partly cloudy. Lows 64 to 74. North winds up to 5 mph shifting to the northeast after midnight. Wednesday: Mostly sunny. Haze in the morning. Highs 87 to 97. East winds up to 5 mph shifting to the west in the afternoon. Wednesday Night: Partly cloudy. Lows 62 to 72. Northwest winds up to 5 mph shifting to the northeast after midnight. Thursday: Sunny. Highs 85 to 95. Northeast winds up to 5 mph shifting to the west in the afternoon. Thursday Night through Saturday Night: Mostly clear. Lows 61 to 72. Highs 85 to 97. Sunday: Sunny. Highs 82 to 94. Sunday Night: Mostly clear. Lows 59 to 67. Monday: Sunny. Highs 82 to 94. |
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. |