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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 10 2020 at 8:28 AM PDT | Next Issuance: | Aug 11 2020 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 | |||
2019 |
6,770 |
10.13 |
Jun 6, 2019 |
2018 |
12,100 |
13.68 |
Apr 7, 2018 |
2017 |
10,500 |
12.69 |
Jan 9, 2017 |
2016 |
4,080 |
7.90 |
May 14, 2016 |
2015 |
2,370 |
6.16 |
Feb 9, 2015 |
| Historical High Stage/Flow Events (Period of Record - Oct 1916 to Present) | |||
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 (CAZ192) |
| Today: Mostly cloudy. A 20 percent chance of thunderstorms in the afternoon. Highs 82 to 90 at 5000 feet and 71 to 79 at 8000 feet. Tonight: Partly cloudy. A 20 percent chance of thunderstorms in the evening. Near the crest, chance of showers and slight chance of thunderstorms in the evening. Lows 57 to 67 at 5000 feet and 47 to 57 at 8000 feet. Tuesday: Mostly cloudy. Chance of showers and slight chance of thunderstorms in the afternoon. Chance of precipitation 50 percent. Highs 79 to 87 at 5000 feet and 67 to 75 at 8000 feet. Tuesday Night: Mostly clear. Lows 54 to 64 at 5000 feet and 44 to 54 at 8000 feet. Wednesday: Sunny. Highs 80 to 88 at 5000 feet and 68 to 76 at 8000 feet. Wednesday Night: Clear. Lows 54 to 64 at 5000 feet and 44 to 54 at 8000 feet. Thursday through Sunday: Mostly clear. Highs 81 to 91 at 5000 feet and 69 to 79 at 8000 feet. Lows 58 to 68 at 5000 feet and 48 to 58 at 8000 feet. |
| 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. |
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