CNRFC - Hydrology - River Guidance - Graphical RVF

TRUCKEE RIVER - FARAD (FARC1)

Latitude: 39.43º N	Longitude: 120.03º W	Elevation: 5153 Feet
Location: Nevada County in California		River Group: Eastern Sierra

Issuance Time:

Mar 31 2023 at 1:49 PM PDT

Next Issuance:

Apr 01 2023 at 9:00 AM PDT

Monitor Stage: 10.0 Feet

Flood Stage: 11.0 Feet

Plot Type:

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
2021*	1,010	4.76	May 6, 2021
2020*	2,130	5.94	May 18, 2020
2019*	4,650	7.82	Apr 9, 2019
2018*	6,580	8.97	Apr 7, 2018
2017*	9,160	10.27	Jan 8, 2017
Historical High Stage/Flow Events (Period of Record - Sept 1899 to Present) - Ranked by Flow
1951*	17,500****	14.50	Nov 21, 1950
1938*	15,500***	11.59	Dec 11, 1937
1907*	15,300**	11.59	Dec 11, 1937
1997*	14,900	13.13	Jan 02, 1997
* Discharge affected by regulation or diversion
** Discharge is a daily average
*** Aug 1912 through Dec 1937, water stage recorder at location 4.1 miles upstream at different datum.
**** Jan 1938 through Aug 1957, water stage recorder at approximate same location operated by TCID at datum 1 ft higher.

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ072)

Tonight: Partly cloudy. Lows 19 to 29. Southwest winds 10 to 15 mph with gusts up to 30 mph. Ridge gusts up to 60 mph after midnight.

Saturday: Mostly cloudy in the morning then becoming partly cloudy. Highs 39 to 49. Southwest winds 15 to 25 mph with gusts up to 40 mph. Ridge gusts up to 85 mph.

Saturday Night: Mostly cloudy with a slight chance of snow showers. Lows 24 to 34. Southwest winds 15 to 25 mph with gusts up to 40 mph. Ridge gusts up to 85 mph.

Sunday: Mostly cloudy in the morning, then partly cloudy with a slight chance of snow showers in the afternoon. Highs 37 to 47. Southwest winds 20 to 30 mph. Gusts up to 45 mph increasing to 60 mph in the afternoon. Ridge gusts up to 85 mph.

Sunday Night: Snow showers in the evening, then snow showers likely after midnight. Lows 13 to 23. Southwest winds 20 to 30 mph with gusts up to 60 mph. Ridge gusts up to 95 mph decreasing to 80 mph after midnight.

Monday: Brisk. Mostly cloudy with a chance of snow showers. Highs 25 to 30.

Monday Night: Mostly cloudy in the evening then becoming partly cloudy. Slight chance of snow showers. Lows 6 to 16.

Tuesday: Partly cloudy in the morning then becoming mostly cloudy. Chance of snow showers. Highs 29 to 39.

Tuesday Night: Mostly cloudy. Slight chance of snow showers in the evening. Lows 10 to 20.

Wednesday through Thursday Night: Partly cloudy with a slight chance of snow showers. Highs 35 to 40. Lows 11 to 21.

Friday: Partly cloudy. Slight chance of snow showers in the afternoon. Highs 42 to 52.

Impacts - E19 Information
8.0 Feet	No flooding from Boca to Mogul, including Floriston and Verdi. USGS 5 year flood.
8.5 Feet	No flooding from Boca to Mogul, including Floriston and Verdi. This is maximum safe flow in lowest portions of Truckee Meadows below Sparks. Releases from Prosser, Boca, and Stampede Reservoirs are cut at this point so flow at Reno does not exceed 6000 cfs. USGS 7 year flood.
9.0 Feet	No flooding from Boca to Mogul, including Floriston and Verdi. USGS 8 year flood.
9.5 Feet	No flooding from Boca to Mogul, including Floriston and Verdi. USGS 10 year flood.
10.0 Feet	No flooding from Boca to Mogul, including Floriston and Verdi. USGS 12 year flood.
10.5 Feet	No flooding from Boca to Mogul, but near bankfull in portions of the Verdi/Mogul area. USGS 15 year flood.
11.0 Feet	Flood Stage - Minor lowland flooding in some locations from Boca to Mogul, especially Verdi/Mogul area. USGS 20 year flood.
11.5 Feet	Minor to moderate flooding from Boca to Mogul, especially to trailer and public parks in the Verdi/Mogul area along the river. Similar impacts to 02/01/1963 and 12/23/1964 floods at Farad. USGS 25 year flood.
12.0 Feet	Moderate flooding from Boca to Mogul, especially to trailer and public parks in the Verdi/Mogul area along the river. Some damage to roads, bridges, and low-lying structures in the area. Similar in impact to floods which occurred on 02/25/1928, 02/01/1963, and 12/23/1964 at Farad. USGS 33 year flood.
12.5 Feet	Moderate to major flooding from Boca to Mogul. Moderate damage to roads, bridges, and low-lying buildings especially in the Verdi/Mogul area. Transportation affected with many road closures. Impacts worse than 02/01/1963 and 12/23/1964 floods at Farad, but not as severe as 01/02/1997 or 12/23/1955 floods. USGS 40 year flood.
13.0 Feet	Major flooding from Boca to Mogul. At these flows major damage should be expected to low-lying roads, bridges, and structures along the river, especially from Verdi/Mogul area. Transportation significantly affected. USGS 50 year flood. Similar to floods of 01/02/1997 and 12/23/1955.
13.5 Feet	Major flooding with extensive flood damage to roads, bridges, and structures from Boca to Mogul, especially in the Verdi/Mogul area. Transportation becomes very difficult, and most major roads/highways in the area are flooded. Similar in impact to the 12/11/1937 and 03/18/1907 floods, worse than 01/02/1997 flood. USGS 65 year flood.
14.0 Feet	Disastrous, near record flooding from Boca to Mogul with extensive damage likely to low-lying structures along the river. Regional transportation severely affected, with many major roads flooded or damaged. USGS 85 year flood. Worse than 03/18/1907 and 12/11/1937 floods, but not as severe as the flood of record at Farad on 11/21/1950.
14.5 Feet	Flood disaster from Boca downstream to Nixon. Near record flooding of buildings, roads, and bridges in the Verdi/Mogul area. Equal to the record flood at Farad on 11/21/1950. USGS 100 year flood.
15.0 Feet	Record flooding at Farad and near record to record flooding on entire mainstream Truckee. Disastrous flooding of buildings, roads, and bridges in Verdi/Mogul area. Transportation nearly cut off in all directions to/from Reno/Sparks. Well over USGS 100 year flood, and Farad record stage of 14.4 feet, record flow of 17,500 cfs (both set in 11/21/1950).

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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