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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: | Dec 10 2018 at 7:49 AM PST | Next Issuance: | Dec 10 2018 at 3:00 PM PST |
| 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 | |||
2017 |
10,500 |
12.69 |
Jan 9, 2017 |
2016 |
4,080 |
7.90 |
May 14, 2016 |
2015 |
2,370 |
6.16 |
Feb 9, 2015 |
2014 |
1,680 |
5.33 |
Apr 19, 2014 |
2013 |
2,780 |
6.62 |
Apr 30, 2013 |
| 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 (CAZ096) |
| Today: Mostly cloudy. A 20 percent chance of snow showers in the afternoon. Highs 45 to 51 at 5000 feet and 35 to 43 at 8000 feet. Tonight: Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of snow showers. Colder. Lows 26 to 34 at 5000 feet and 17 to 23 at 8000 feet. Tuesday: Sunny. Highs 44 to 52 at 5000 feet and 37 to 43 at 8000 feet. Tuesday Night: Mostly clear. Lows 29 to 37 at 5000 feet and 21 to 27 at 8000 feet. Wednesday: Mostly sunny. Highs 46 to 53 at 5000 feet and 38 to 44 at 8000 feet. Wednesday Night through Thursday Night: Mostly clear. Lows 29 to 39 at 5000 feet and 21 to 28 at 8000 feet. Highs 49 to 55 at 5000 feet and 39 to 45 at 8000 feet. Friday: Mostly cloudy with a slight chance of snow showers. Slight chance of showers in the afternoon. Windy. Highs 45 to 51 at 5000 feet and 34 to 42 at 8000 feet. Friday Night: Chance of showers in the evening. Partly cloudy with a chance of snow showers. Breezy. Chance of precipitation 40 percent. Lows 28 to 36 at 5000 feet and 19 to 25 at 8000 feet. Saturday: Mostly sunny. Highs 41 to 47 at 5000 feet and 32 to 38 at 8000 feet. Saturday Night: Partly cloudy in the evening then becoming mostly cloudy. Slight chance of snow showers. Lows 30 to 37 at 5000 feet and 21 to 27 at 8000 feet. Sunday: Chance of showers. Chance of snow showers in the morning, then snow showers likely in the afternoon. Windy. Chance of precipitation 60 percent. Highs 41 to 47 at 5000 feet and 32 to 38 at 8000 feet. |
| Impacts - E19 Information | |
| 6.5 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 downstream from Chapel Meadow. |
| 12.5 Feet | Northside Drive and Southside Drive, which are the main 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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