CNRFC - Hydrology - River Guidance - Graphical RVF

TRUCKEE RIVER - RENO (TRRN2)

Latitude: 39.53º N	Longitude: 119.79º W	Elevation: 4445 Feet
Location: Washoe County in Nevada		River Group: Eastern Sierra

Issuance Time:

Mar 20 2023 at 2:47 PM PDT

Next Issuance:

Mar 21 2023 at 9:00 AM PDT

Monitor Stage: 10.0 Feet

Flood Stage: 12.0 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*	790	5.31	May 7, 2021
2020*	1,910	6.82	May 18, 2020
2019*	5,160	9.34	Apr 9, 2019
2018*	6,690	10.24	Apr 7, 2018
2017*	12,800	12.45	Jan 9, 2017
Historical High Stage/Flow Events (Period of Record - March 1907** to Present) - Ranked by Flow
1956*	20,800	13.63***	Dec 23, 1955
1951*	19,900	13.83***	Nov 21, 1950
1963*	18,400	13.28***	Feb 1, 1963
1997*	18,200	14.94***	Jan 2, 1997
2006*	16,400	13.38	Dec 31, 2005
* Discharge affected to unknown degree by regulation or diversion
** Most recent continuous record back to Oct 1947 with segmented periods back to Mar 1907
*** Datum and location change on 10/1/1998, and not directly relatable to old location.

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (NVZ003)

Tonight: Clear in the evening then becoming mostly cloudy. Lows 27 to 32. West winds around 10 mph in the evening becoming light.

Tuesday: Chance of showers. Snow accumulation up to 2 inches with 1 to 5 inches above 5000 feet. Highs 41 to 46. Northeast winds 10 to 15 mph. Gusts up to 35 mph in the afternoon.

Tuesday Night: Cloudy with a chance of snow showers. Snow accumulation up to 2 inches. Lows 26 to 31. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the evening.

Wednesday: Mostly cloudy with a chance of snow showers. Highs 44 to 49. West winds 10 to 15 mph.

Wednesday Night: Mostly cloudy. Slight chance of snow showers in the evening. Lows 26 to 31. West winds 10 to 15 mph.

Thursday: Mostly cloudy in the morning, then partly cloudy with a slight chance of snow showers in the afternoon. Highs 46 to 51.

Thursday Night: Partly cloudy. Slight chance of snow showers in the evening. Lows 26 to 31.

Friday: Partly cloudy in the morning, then mostly cloudy with a slight chance of snow showers in the afternoon. Highs 43 to 48.

Friday Night: Mostly cloudy. Slight chance of snow showers in the evening. Lows 22 to 27.

Saturday through Sunday: Partly cloudy with a slight chance of snow showers. Highs 42 to 47. Lows 16 to 26.

Sunday Night and Monday: Mostly cloudy with a chance of snow showers. Lows 21 to 31. Highs 41 to 51.

Impacts - E19 Information
10.0 Feet	Monitor Stage, No flooding from Mogul to Greg Street Bridge in Reno. Significant preparations to riverside parks begin in advance of this level. Releases from flood control reservoirs (Prosser, Stampede and Boca) are cut slightly in advance of this level. Similar to high flow of 4/7/2008.
11.0 Feet	Very high flows with some inconvenience flooding of riverside parks and bike path.
11.5 Feet	Near maximum safe flow from Mogul to Greg Street Bridge in Reno, minor flooding of bike path and riverside parks. Close monitoring is necessary as debris build up or bank erosion could easily lead to flooding. Similar to 2/10/2017 flood event.
12.0 Feet	Flood stage. Minor flooding with bank full conditions from Mogul to Reno with significant inundation to Truckee River Walk, riverside parks and damage to park infrastructure. Impacts to transportation, as many downtown Reno bridges may be closed for public safety and to facilitate debris removal. Overtopping of river bank near Booth Street in Reno is possible.
12.5 Feet	Minor flooding from Mogul to Reno. River flooding low areas, parks, and trails between Mogul and Reno. Out of bank flow near Booth Street and 1st Street is possible. Arlington, Sierra, Center, and Lake Street Bridges likely closed. Debris accumulation or bank erosion may lead to expanded impacts. Similar to 1/9/2017 flood event.
13.0 Feet	Moderate flooding from Mogul to Reno. Only I-80, Keystone, Virginia street, Wells Ave and Highway 395 bridges likely to remain open. Flooding expected to begin impacting downtown Reno along north side of river near Booth Street and along Riverside and portions of 1st Street. Flooding may also start occurring at the Grand Sierra Resort RV Park unless protective measures are implemented.
13.5 Feet	Moderate flooding from Mogul to Reno. Flooding area includes downtown Reno with impacts expanding into multiple commercial and municipal buildings. Flooding may start impacting the airport. Slightly above the level of the 12/31/2005 flooding.
14.0 Feet	Major flooding with serious damage from Mogul to Reno. Downtown Reno and the Reno airport begin to have serious river flooding roughly between 2nd Street on the north to Court/Mill Streets on the south. Transportation severely impacted, many roads and bridges flood. Keystone Bridge likely closed near this level.
14.5 Feet	Major damage from Mogul to Reno. Extensive flood damage in downtown Reno and the Reno airport nearing level of January 1997 event.
15.0 Feet	Near Record flooding between Mogul and Reno. Extensive flood damage. Reno airport and downtown flood several feet deep. Downtown Reno floods from approximately 2nd Street on the north side of the river to Court/Mill streets on the south. Casinos, hotels, stores, post office, courthouse, phone building, bus depot, churches, museums and parks flood. Utility lines on bridges may be severed. Idlewild and Wingfield Parks flood up to 10 feet. Bridges likely closed except I-80, Wells, and US 395.
15.5 Feet	Record catastrophic flooding from Mogul to Reno. Property and infrastructure in the floodplain sustain heavy damage. Reno airport and portions of downtown under about 6 feet of water. Transportation, power, phone, water, and hospital services disrupted through region. Only Interstate 80, Wells and Highway 395 bridges likely to remain open. Downtown Reno flooded from approximately 3rd Street in north to Court/Mill Streets in south.

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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