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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: | Sep 19 2018 at 6:55 AM PDT | Next Issuance: | Sep 20 2018 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 | |||
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: Sunny. Highs 74 to 82 at 5000 feet and 65 to 71 at 8000 feet. Tonight: Clear. Lows 48 to 58 at 5000 feet and 39 to 47 at 8000 feet. Friday: Sunny. Highs 76 to 82 at 5000 feet and 65 to 71 at 8000 feet. Over higher elevations, southwest winds around 25 mph with gusts to around 40 mph in the afternoon. Friday Night: Clear. Lows 48 to 58 at 5000 feet and 38 to 46 at 8000 feet. Saturday: Sunny. Highs 75 to 81 at 5000 feet and 63 to 71 at 8000 feet. Saturday Night and Sunday: Clear. Lows 48 to 57 at 5000 feet and 38 to 46 at 8000 feet. Highs 74 to 81 at 5000 feet and 63 to 71 at 8000 feet. Sunday Night: Mostly clear. Lows 48 to 57 at 5000 feet and 37 to 45 at 8000 feet. Monday: Sunny. Highs 72 to 80 at 5000 feet and 63 to 69 at 8000 feet. Monday Night through Wednesday: Mostly clear. Lows 49 to 59 at 5000 feet and 39 to 48 at 8000 feet. Highs 73 to 83 at 5000 feet and 63 to 71 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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