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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: | Oct 17 2021 at 11:16 AM PDT | Next Issuance: | Oct 18 2021 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 | |||
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 |
2016 |
4,080 |
7.90 |
May 14, 2016 |
| 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, cooler. Highs 44 to 54. Light winds in the morning becoming west 10 to 15 mph in the afternoon. Tonight: Mostly clear. Lows 29 to 39. Northeast winds up to 10 mph in the evening becoming light and variable after midnight. Tuesday: Sunny, warmer. Highs 55 to 65. Light winds in the morning becoming southwest around 10 mph in the afternoon. Tuesday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows 37 to 47. South winds up to 10 mph in the evening becoming light and variable after midnight. Wednesday: Mostly cloudy. Slight chance of showers in the morning, then chance of showers in the afternoon. Chance of showers 40 percent. Highs 54 to 64. Light winds in the morning becoming southwest around 10 mph in the afternoon. Wednesday Night: Mostly cloudy. A 30 percent chance of showers in the evening. Lows 40 to 50. Thursday: Mostly sunny. Warmer. Highs 60 to 70. Thursday Night: Mostly cloudy. Slight chance of showers after midnight. Lows 42 to 52. Friday: Mostly cloudy with a 40 percent chance of showers. Highs 55 to 65. Friday Night: Mostly cloudy. Chance of showers in the evening, then slight chance of showers after midnight. Chance of showers 30 percent. Lows 38 to 48. Saturday: Mostly cloudy. Slight chance of showers in the afternoon. Highs 53 to 63. Saturday Night: Mostly cloudy with a 40 percent chance of showers. Lows 37 to 47. Sunday: Mostly cloudy with a 50 percent chance of showers. Highs 49 to 59. |
| 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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