CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

HUMBOLDT RIVER - ELKO (HREN2)

Latitude: 40.94º N	Longitude: 115.62º W	Elevation: 5142 Feet
Location: Elko County in Nevada		Bulletin Group: Humboldt		River Group: Humboldt

Issuance Time:

Apr 25 2024 at 8:23 AM PDT

Next Issuance:

Apr 26 2024 at 9:00 AM PDT

Monitor Stage: N/A

Flood Stage: 6.2 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*	223	2.51	Jun 14, 2022
2021*	94	1.88	May 24, 2021
2020*	333	2.85	May 23, 2020
2019*	2,560	6.69	Jun 9, 2019
2018*	602	3.69	May 29, 2018
Historical High Stage/Flow Events (Period of Record - Oct 1944 to Present) - Ranked by Flow
1986*	7,200	7.64	Feb 19, 1986
1983*	7,100	12.18	Mar 04, 1983
1963*	7,070	12.30	Feb 13, 1962
2017*	6,670	10.67	Feb 10, 2017
* Discharge affected to unknown degree by regulation or diversion

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Impacts - E19 Information
5.5 Feet	Bankfull conditions are possible. Isolated minor lowland flooding occurs upstream and downstream of Elko. No flooding expected in Elko.
6.2 Feet	Minor lowland flooding occurs upstream and downstream of Elko. Very minor flooding from backed-up storm drains begins in Elko, especially the parking lots on Water St between 7th and 9th Streets.
6.7 Feet	Minor flooding begins in Elko. The storm drain at 1st and Water Streets starts to back up.
7.0 Feet	Minor lowland flooding begins throughout the reach and minor flooding of rural roads occurs. Minor flooding occurs from backed-up storm drains in Elko along the following intersections: 1st and Water Streets, 3rd and Water Streets, the parking lots on Water Street between 7th and 9th Streets, 2nd and Douglas Streets, and 6th and Front Streets.
8.0 Feet	Moderate lowland flooding occurs throughout the reach, with minor flooding in Elko caused by backed-up storm drains. Minor flooding of rural roads occurs. In Elko, flood waters continue to rise between Douglas and Water Streets on the north side of the river, and to Front Street south of the river between 1st and 9th Streets, as well as from 9th Street and Lyon Avenue to 12th Street. Basements will be impacted along this cooridor.
8.5 Feet	Moderate flooding occurs throughout the reach, including Elko. Some flooding and damage occurs to rural roads throughout the flood plain. Elko flooding occurs between Douglas and Water Streets north of the river and to Front Street south of the river between 1st and 9th Streets, as well as from 9th Street and Lyon Avenue to 12th Street. Basements will be impacted along this cooridor.
9.0 Feet	Moderate to major flooding occurs throughout the reach. Significant damage occurs to roads, railroads, and structures. Livestock are impacted. Elko flooding occurs between Douglas and Water Streets north of the river and to Front Street south of the river between 1st and 9th Streets, as well as from 9th Street and Lyon Avenue to 12th Street. Basements will be impacted along this cooridor. City pumping of flooded areas begins.
10.0 Feet	Major flooding occurs throughout the reach. Major damage occurs to roads, railroads, and structures. Livestock are impacted. Elko is flooded to near River Street north of the river, and to near Wilson Avenue south of the river between 1st and 9th Streets, as well as from 9th Street and Lyon Avenue to 12th Street. Basements in low-lying parts of town flood. Flooded areas are pumped by the city. Elko sewage treatment plant reaches capacity.
10.7 Feet	Near-record flooding. Significant damage to roads, railroads, and structures. Moderate impact occurs to transportation and communications. Livestock will be greatly impacted. Elko is flooded from near River Street north of the river to near Wilson Street south of the river. Flooding also occurs north of 12th Street including Opal Drive and southwest of A Street to near Bullion Road. River is above storm drain elevation. Elko sewage plant exceeds capacity.
11.0 Feet	Record flooding. Major damage occurs to roads, railroads, and agriculture, including livestock drownings. Major impact occurs to transportation and communications. Approaches to all three bridges in Elko are nearly flooded: Errecart Boulevard, 5th Street, and 12th Street. Homes located within the floodplain could be impacted.
11.5 Feet	Flood disaster. Major damage occurs to roads, railroads, and agriculture, including livestock drownings. Major impact occurs to transportation and communications. Approaches to all three bridges in Elko will likely flood: Errecart Boulevard, 5th Street, and 12th Street. Homes located within the floodplain could be impacted.

Official 7 Day National Weather Service Forecast (NVZ038)

Today: Scattered rain showers, snow showers and isolated thunderstorms in the morning, then rain showers, scattered thunderstorms and snow showers in the afternoon. Snow accumulation up to 4 inches. Highs 44 to 50. Northwest winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. Chance of precipitation near 100 percent.

Tonight: Cloudy. Scattered thunderstorms and snow showers in the evening. Lows in the mid 30s. Northwest winds 10 to 20 mph with gusts to around 35 mph. Chance of precipitation 50 percent.

Saturday: Partly sunny. Highs 50 to 56. Northwest winds 10 to 20 mph with gusts to around 35 mph.

Saturday Night: Partly cloudy. Lows in the mid 30s. West winds 10 to 15 mph with gusts to around 30 mph decreasing to up to 10 mph after midnight.

Sunday: Partly sunny. Highs 54 to 60. West winds up to 15 mph.

Sunday Night: Partly cloudy. Lows in the upper 30s.

Monday: Mostly sunny. Highs 57 to 63.

Monday Night: Mostly clear. Lows in the mid 30s.

Tuesday: Sunny. Highs 60 to 66.

Tuesday Night: Mostly clear. Lows in the mid 30s.

Wednesday: Sunny. Highs 63 to 69.

Wednesday Night: Partly cloudy. Lows around 40.

Thursday: Sunny. Highs 67 to 73.

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 Elko 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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Verification - Historical Graphical RVF
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