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:

Jul 26 2024 at 7:22 AM PDT

Next Issuance:

Jul 27 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
2023*	2,510	6.63	May 27, 2023
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
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
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 Blvd., 5th Street, and 12th Street. Homes located withing the floodplain are likely impacted.
11.0 Feet	Record Streamflow, major to 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 Blvd., 5th Street, and 12th Street. Homes located within the floodplain could be impacted.
10.7 Feet	Near Record Streamflow. Major damage to roads, railroads and structures. Moderate impact occurs to transportation and communication. Livestock will be greatly impacted. Elko will flood from near River Street north of the river to near Wilson Ave. and Bullion Road south of the river. Flooding also occurs north of 12th Street including Opal Drive. River is above storm drain elevation.
10.0 Feet	Major Flood Stage - 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 to near Wilson Ave south of the river between 1st and 9th Streets, as well as from 9th Street and Lyon Ave. to 12th Street. Basements in low-lying parts of town will flood. Flooded areas are pumped by the city.
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 and Lyon Ave. to 12th Steet. Basements will be impacted along this corridor. City pumping of flooded areas begins.
8.5 Feet	Moderate flooding occurs throughout the reach, including in Elko. Some flooding and damage occurs to rural roads throughout the floodplain. 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 Ave to 12th Street. Basements will be impacted along this corridor.
8.0 Feet	Moderate Flood Stage - Moderate lowland flooding occurs throughout the reach, with minor to moderate 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 and Lyon ave to 12th Street. Basements may be impacted along this corridor.
7.0 Feet	Minor lowland flooding begins throughout the reach and minor flooding of rural roads occurs. In Elko, minor flooding occurs in the parking lots on Water Street between 7th and 9th Streets and from backed-up storm drains at the following intersections: 1st and Water Streets, 3rd and Water Streets, 2nd and Douglas Streets, and 6th and Front Streets.
6.7 Feet	Minor flooding begins in Elko. The storm drain at 1st and Water Streets starts to back up.
6.2 Feet	Minor Flood Stage - Minor lowland flooding occurs upstream and downstream of Elko. Very minor flooding from backed up storm drains begins in Elko, especially in the parking lots on Water Street between 7th and 9th Streets.
5.5 Feet	Action Stage - Near bankfull conditions. Isolated minor lowland flooding possible upstream and downstream of Elko. No flooding execpected in Elko.

Official 7 Day National Weather Service Forecast (NVZ038)

Rest of Today: Sunny. Areas of smoke. Highs 85 to 91. Southwest winds 10 to 15 mph.

Tonight: Partly cloudy in the evening, then mostly cloudy with isolated thunderstorms after midnight. Areas of smoke through the night. Lows in the upper 50s. West winds up to 10 mph shifting to the south after midnight. Chance of thunderstorms 20 percent.

Saturday: Sunny. Areas of smoke through the day. Highs 81 to 87. Southwest winds 5 to 10 mph shifting to the west 10 to 20 mph in the afternoon.

Saturday Night: Mostly clear. Areas of smoke. Lows in the lower 50s. West winds 10 to 15 mph shifting to the southwest after midnight.

Sunday: Sunny. Areas of smoke in the morning. Highs 82 to 88. Southwest winds up to 10 mph.

Sunday Night: Mostly clear. Lows 53 to 59.

Monday: Sunny. Highs 85 to 91.

Monday Night: Mostly clear. Lows 52 to 58.

Tuesday: Sunny. Highs 83 to 89.

Tuesday Night: Mostly clear. Lows 51 to 57.

Wednesday: Sunny. Highs 86 to 92.

Wednesday Night: Mostly clear. Lows 53 to 59.

Thursday: Sunny. Highs 90 to 96.

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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