CNRFC - Hydrology - River Guidance - Graphical RVF

CARSON RIVER - CARSON CITY (STWN2)

Latitude: 39.11º N	Longitude: 119.71º W	Elevation: 4620 Feet
Location: Carson City County in Nevada		River Group: Eastern Sierra

Issuance Time:

Jul 11 2017 at 7:19 AM PDT

Next Issuance:

Jul 12 2017 at 9:00 AM PDT

Monitor Stage: 8.0 Feet

Flood Stage: 10.0 Feet

Observed Data Credit
	Raw streamflow data is provided by the US Geological Survey (USGS). View USGS Data for this station location.

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2015*	1,290	4.39	Feb 9, 2015
2014*	904	3.93	Feb 10, 2014
2013*	1,430	4.59	Dec 3, 2012
2012*	1,470	4.49	Apr 27, 2012
2011*	3,730	7.13	Jun 30, 2011
Historical High Stage/Flow Events (Period of Record - May 1939 to Present)
1997*	30,500	18.43	Jan 3, 1997
1956*	30,000	15.00**	Dec 24, 1955
1963*	21,900	13.11**	Feb 1, 1963
1951*	15,500	11.40**	Nov 22, 1950
1986*	13,200	13.16	Feb 18, 1986

* Discharge affected by regulation or diversion
** Different datum

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (NVZ003)

Tonight: Clear. Areas of smoke and haze. Lows 54 to 64. West winds 10 to 15 mph. Gusts up to 30 mph in the evening.

Wednesday: Sunny. Areas of smoke and haze. Highs 95 to 100. Light winds becoming southwest up to 10 mph in the afternoon.

Wednesday Night: Mostly clear. Lows 57 to 67. West winds 10 to 15 mph in the evening becoming light.

Thursday: Sunny. Highs 94 to 99. Light winds becoming west 10 to 15 mph in the afternoon.

Thursday Night: Clear. Lows 60 to 70. West winds 10 to 15 mph with gusts up to 30 mph in the evening becoming light.

Friday: Mostly sunny with a slight chance of showers and thunderstorms. Highs 95 to 100.

Friday Night: Partly cloudy with a slight chance of showers and thunderstorms. Lows 63 to 73.

Saturday through Sunday Night: Partly cloudy with a slight chance of showers and thunderstorms. Highs 99 to 104. Lows 64 to 74.

Monday and Monday Night: Partly cloudy with a slight chance of showers. Highs 97 to 102. Lows 64 to 74.

Tuesday: Sunny. Highs 96 to 101.

Impacts - E19 Information
8.0 Feet	Flood threat and localized overbank flow begin in lowest areas.
8.5 Feet	Minimal lowland flooding through reach.
9.0 Feet	Minor lowland flooding through reach in lower flood prone areas.
9.5 Feet	Minor flood impacts in lower portions of reach.
10.0 Feet	Flood Stage - Minor to moderate flooding, several homes begin to have flood problems in Genoa, Carson Valley, Stewart, and Dayton. Minor to moderate damage to agriculture.
10.5 Feet	Moderate flooding through reach. Damage to roads, bridges, crops, irrigation systems, and buildings in lower areas. Transportation begins to be affected.
11.0 Feet	Major flooding. Many roads and highways flooded. Transportation becoming difficult, US Highway 395 closes. Massive bank erosion with the ability to wash away buildings, cars, and roads. River channel begins to move around laterally.
12.0 Feet	Extensive flooding with major damage. Most roads in valley areas flood making transportation difficult. Massive erosion with large agricultural losses, cattle drownings.
13.5 Feet	Flood disaster throughout reach. Transportation very difficult. Large number of structures affected, infrastructure damage (roads, bridges, power, and water).
15.0 Feet	Major flood disaster with widespread destruction throughout reach from Genoa to Weeks. Transportation extremely difficult.
16.0 Feet	Near record flooding with massive destruction throughout reach. Most towns isolated, transporation nearly impossible.
17.0 Feet	Record flooding. All towns cut off, bridges and roads destroyed.
19.0 Feet	Incredible flood with damage previously unknown from Carson Valley to Fort Churchill, including Empire and Dayton areas. USGS estimated 100 year flood.

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.

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