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Latitude: 38.77º N | Longitude: 119.83º W | Elevation: 5755 Feet | |||
Location: Alpine County in California | Bulletin Group: Eastern Sierra | River Group: Eastern Sierra |
Issuance Time: | Sep 21 2023 at 8:12 AM PDT | Next Issuance: | Sep 22 2023 at 9:00 AM PDT |
Monitor Stage: 12.5 Feet | Flood Stage: 13.5 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 | |||
2022* |
1,180 |
13.51 |
Oct 25, 2021 |
2021* |
241 |
11.56 |
May 7, 2021 |
2020* |
615 |
12.70 |
Apr 30, 2020 |
2019* |
1,140 |
13.42 |
Jun 7, 2019 |
2018* |
2,750 |
14.38 |
Apr 7, 2018 |
Historical High Stage/Flow Events (Period of Record - Oct 1938 to Present) - Ranked by Flow | |||
1997* |
8,100 |
15.36 |
Jan 01, 1997 |
1963* |
4,890 |
9.00 |
Feb 01, 1963
|
1956* |
4,810 |
8.86** |
Dec 23, 1955 |
1938* |
3,500 |
8.00** |
Dec 11, 1937
|
* Discharge affected to unknown degree by regulation or diversion | |||
** Prior to November 1958, gage at two different datums at the same location. | |||
*** November 1958 to January 1963, gage 150 ft downstream. Datum change with a difference of +3.06 ft must be applied to data in this time range to convert to current datum. | |||
**** March 1997, gage moved 200 ft upstream using same datum. |
Location Photographs | ||
ESRI™ Locator Map |
Impacts - E19 Information | |
12.5 Feet | Monitoring Stage. No flooding occurs. However, residents along the West Fork Carson River should be prepared for flooding if there are additional rises expected due to snowmelt and/or rainfall runoff. |
13.5 Feet | Flood Stage. Minor flooding begins in lowest areas along the West Fork Carson River in southwest Carson Valley including agricultural areas, local roads, and outbuildings. Impacts will be more significant if heavy rain and/or snowmelt cause significant rises in small creeks draining the east side of the Carson Range below Woodfords. Possible lane closures on Highway 395 north of Stephanie Way if combined with flood flows on the East Fork. Similar to peak to February 2017 event. |
14.0 Feet | Minor flooding in the southwestern Carson Valley between Centerville and Genoa, impacting agricultural areas, local roads, and outbuildings. Impacts will be more significant if heavy rain and/or snowmelt cause significant rises in small creeks draining the east side of the Carson Range below Woodfords. Possible lane closures on Highway 395 north of Stephanie Way if combined with flood flows on the East Fork. Similar peak level to January 2017 event and May 2017 peak snowmelt. |
14.5 Feet | Moderate flooding in southwest Carson Valley between Centerville and Genoa, with some damage to homes and businesses. Many local roads flooded in this area. Minor to moderate flooding in Alpine County, California, near Woodfords and Paynesville. Lane or road closures on Highway 395 north of Stephanie Way likely if combined with flood flows on the East Fork. Similar peak level to December 2005 event. |
15.0 Feet | Major Flooding. Substantial damage to homes, businesses, schools, and property in south Carson Valley from Centerville to Genoa. Many local roads flood including Centerville, Mottsville, and Muller Lanes. Interruption of power, communications, and water systems. Major flooding also in Alpine County, California, near Woodfords and Paynesville. CA Highways 89 and 88, and NV Highway 88 flood. Downstream Hwy 395 floods. |
15.5 Feet | Disastrous, record flooding along entire reach of West Fork Carson River in both Alpine County, California, and Douglas County, Nevada. Extensive damage to homes, businesses, schools, roads, bridges, and irrigation systems. Communications, power, and transportation systems severely disrupted. Many highways, roads, and bridges impassable. Roughly Similar peak level to January 1997 event. |
16.0 Feet | Record, disastrous flooding previously unknown on entire West Fork Carson River in southwest Douglas County, Nevada, and eastern Alpine County, California. Extensive damage to homes, businesses, schools, roads, bridges,water, and irrigation systems. Power, communications, and transportation systems severely affected. Most highways and bridges flooded or washed out. Exceeds record 1/1/1997 flood. |
Official 7 Day National Weather Service Forecast (CAZ072) |
Today: Mostly cloudy. Scattered showers in the morning, then scattered showers and slight chance of thunderstorms in the afternoon. Snow level 9000 feet. Highs 52 to 62. West winds 10 to 20 mph. Tonight: Clear. Lows 26 to 36. West winds 10 to 15 mph in the evening becoming light. Friday: Sunny. Highs 59 to 69. Light winds. Friday Night: Clear. Lows 29 to 39. Light winds. Saturday: Sunny. Highs 62 to 72. Light winds becoming southwest around 10 mph in the afternoon. Saturday Night: Clear. Lows 32 to 42. Sunday: Partly cloudy in the morning then becoming mostly cloudy. Highs 61 to 71. Sunday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 34 to 44. Monday: Breezy. Partly cloudy. Highs 61 to 71. Monday Night and Tuesday: Breezy. Partly cloudy with a chance of showers. Lows 34 to 44. Highs 56 to 66. Tuesday Night: Partly cloudy. Slight chance of showers in the evening. Lows 30 to 40. Wednesday: Sunny. Highs 60 to 70. |
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 Reno 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. |