CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

TRUCKEE RIVER - VISTA (VISN2)

Latitude: 39.52º N	Longitude: 119.70º W	Elevation: 4368 Feet
Location: Washoe County in Nevada		Bulletin Group: Eastern Sierra		River Group: Eastern Sierra

Issuance Time:

Apr 18 2024 at 7:34 AM PDT

Next Issuance:

Apr 19 2024 at 9:00 AM PDT

Monitor Stage: 15.0 Feet

Flood Stage: 17.0 Feet

Plot Type:

Please Note: Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.

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
2022*	5,590	13.32	Oct 25, 2021
2021*	765	5.11	May 7, 2021
2020*	1,900	7.71	May 18, 2020
2019*	5,100	12.62	Apr 9, 2019
2018*	6,190	13.85	Apr 7, 2018
Historical High Stage/Flow Events (Period of Record - Discontinuous 1899 - Present) - Ranked by Flow
1963*	18,900	16.76**	Feb 01, 1963
1997*	18,500	24.16**	Jan 02, 1997
1907*	17,000	--	Mar 18, 1907
1986*	16,100	15.82**	Feb 18, 1986
2006*	13,700	20.28	Dec 31, 2005
* Discharge affected to unknown degree by regulation or diversion
** Gage location 1.2 miles downstream. Datum change with a difference of -0.99 ft must be applied to data before 10/01/1993 to convert to current datum.

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Impacts - E19 Information
15.0 Feet	Monitor Stage. Approaching bankfull from Greg Street Bridge in Reno to Derby Dam. Releases from flood control reservoirs (Prosser, Stampede and Boca) are cut slightly in advance of this level. Very minor flooding of low lying meadows and Truckee River bike path below East McCarran Boulevard in Sparks. Some backwater effects extend south along Steamboat Creek to near Pembroke Drive, and could hinder storm water drainage in the Sparks Industrial area.
16.0 Feet	Near maximum safe channel capacity between Greg Street Bridge and Derby Dam. High Truckee River stage leads to increasing backwater south along Steamboat Creek and limits stormwater drainage from the Sparks Industrial area. Similar to secondary January 2017 peak (1/11/2017).
17.0 Feet	Flood Stage. Minor flooding below Greg Street Bridge including parks and bike path along the river, UNR Farms, and backwater flooding of Steamboat Creek and Boynton Slough. Stormwater flooding possible in Sparks Industrial area with heavy valley rains. No adverse river flooding impacts between the eastern edge of Sparks and Derby Dam.
18.0 Feet	Expanding minor flood impacts through low lying areas with increasing backwater problems. Water just starting to overflow the south bank near North Edison Way. Similar to 2/10/2017 peak. No adverse river flooding impacts between the eastern edge of Sparks and Derby Dam.
18.5 Feet	More extensive out of bank flows beginning to significantly impact low lying areas along the river including areas around North Edison Way, UNR farms, Clean Water Way, Pembroke Lane and Lower Steamboat Creek. Stormwater flooding likely in Sparks Industrial area. Backwater issues begin to impact Long Valley Creek in Lockwood.>
19.0 Feet	Moderate flooding. Numerous road closures including East McCarren, East Mill Street, Clean Water Way, Pembroke Lane, and many streets in the Sparks Industrial area. Combined backwater and local tributary flows may start impacting lowest homes near Boynton Slough in Hidden Valley. Flooding of lower ranch lands below Lockwood. Slightly lower than 1/9/2017 peak stage.
20.0 Feet	Moderate flooding impacts from Reno to Derby Dam impacting numerous roads, Sparks Industrial area, and several low lying homes in Hidden Valley. Similar to 12/31/2005 peak stage, and slightly higher than 1/9/2017.
21.0 Feet	Major flooding from Greg Street Bridge to Derby Dam, numerous roads and bridges flooded, extensive flooding in the Sparks Industrial area, and numerous lower homes in Hidden Valley. Phone, power, and water supplies begin to be impacted.
22.0 Feet	Major flooding with significant property and infrastructure damage. Many bridges closed. Ponding water likely impacting Reno Airport.
23.0 Feet	Extensive damage from Reno to Derby Dam, including the Reno Airport, Sparks, and the Truckee Meadows. Truckee Meadows flooded from Reno Airport east to Hidden Valley and Glendale Ave and Interstate 80 south to Mira Loma. Some flooding north of I-80 likely near Sparks Blvd.
24.0 Feet	Flood disaster from Greg Street Bridge in Reno to Derby Dam. Reno Airport under several feet of water. Deepest areas in Sparks Industrial area up to 10 feet deep. Flooding likely impacting Interstate 80. Truckee River floods roads accessing homes in Lockwood in addition to major backwater flooding on Long Valley Creek. Peak similar to 1/2/1997 peak stage.
25.0 Feet	Record Flooding from Reno to Derby Dam. Disastrous flooding with extensive damage to property and infrastructure in the floodplain, including the airport. Major disruption to power, communication, transportation, water, and hospital services.
26.0 Feet	Catastrophic Record flooding with massive damage to property and infrastructure, major disruption to power, communication, transportation, water, and hospital services from Greg Street Bridge in Reno to Derby Dam.

Official 7 Day National Weather Service Forecast (NVZ003)

Tonight: Mostly cloudy. Lows 43 to 48. West winds 10 to 15 mph in the evening becoming light.

Friday: Mostly cloudy in the morning then clearing. Highs 71 to 76. Light winds becoming northwest around 10 mph in the afternoon.

Friday Night: Partly cloudy in the evening then becoming clear. Lows 40 to 50. West winds 10 to 15 mph.

Saturday: Mostly cloudy in the morning then clearing. Highs 74 to 79. Light winds becoming west 10 to 15 mph in the afternoon.

Saturday Night: Clear. Lows 36 to 46. West winds 10 to 20 mph. Gusts up to 30 mph in the evening.

Sunday: Sunny. Highs 77 to 82.

Sunday Night: Clear in the evening then becoming partly cloudy. Lows 43 to 48.

Monday through Tuesday: Partly cloudy. Highs 76 to 81. Lows 41 to 51.

Tuesday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 43 to 48.

Wednesday: Mostly cloudy in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs 69 to 74.

Wednesday Night: Mostly cloudy with a slight chance of showers. Lows 40 to 45.

Thursday: Mostly cloudy. Slight chance of showers. Highs 62 to 67.

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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