CNRFC - Hydrology - River Guidance - Graphical RVF

Start of River Group

Location:

MARYS RIVER - ABOVE HOT SPRINGS CREEK (MHSN2)

Latitude: 41.25º N	Longitude: 115.26º W	Elevation: 5504 Feet
Location: Elko County in Nevada		Bulletin Group: Humboldt		River Group: Humboldt

Issuance Time:

Jan 18 2025 at 7:41 AM PST

Next Issuance:

Jan 19 2025 at 9:00 AM PST

Action/Monitor: 5.5 Feet

Minor Flood: 6.0 Feet

Moderate Flood: 7.5 Feet

Major Flood: 9.0 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 US Geological Survey (USGS) Data for this station location.

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2023*	849	7.30	May 5, 2023
2022*	179	4.38	May 30, 2022
2021*	91	3.86	May 23, 2021
2020*	329	5.24	May 4, 2020
2019*	624	6.56	Jun 2, 2019
Historical High Stage/Flow Events (Period of Record - Oct 1943-Sep 1980 and Oct 1981 to Present) - Ranked by Flow
1962*	4,210	7.63	Feb 12, 1962
1984*	2,110	8.39	May 15, 1984
2006*	1,330	3.24	Apr 17, 2006
1952*	1,250	6.57	Apr 29, 1952
* Discharge affected to unknown degree by regulation or diversion

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Flood Impacts
9.0 Feet	Major flooding occurs on the marys river with many homes in deeth damaged. Transportation and communication are severely disrupted. Major damage to roads, railroads, and structures occurs, with water over a foot deep on some roads and railroads. Severe erosion and sediment deposition occurs. This is similar to the flood of february 12, 1962.
8.4 Feet	Moderate to major flooding occurs on the lower marys river with significant damage to roads, railroads, and structures. Cattle can be mired or drowned. Much of deeth's roads and structures are flooded. This is about 2060 cfs or similar to the flood of may 15, 1984.
7.6 Feet	Moderate flooding occurs on lower marys river, with damage to roads, railroads, and structures. Cattle can be mired or drowned. Streets and homes in deeth flood. This is about 1230 cfs or similar to the flood of may 20, 2005.
6.8 Feet	Minor to moderate lowland flooding occurs on lower mary's river, with flooding of many rural roads near the river. Some streets in deeth flood, as well as basements and foundations of a few homes. This is about 800 cfs.
6.0 Feet	Flood stage, about 580 cfs. Minor lowland flooding on lower mary's river, with minor flooding of rural roads throughout area. Some minor flooding of streets in deeth.
5.0 Feet	This is monitoring stage or about 365 cfs. No flooding occurs within the reach.

Official 7 Day National Weather Service Forecast (NVZ031)

Tonight: Colder. Partly cloudy. Lows 2 to 12. Southwest winds up to 5 mph.

Sunday: Mostly sunny. Highs 25 to 33. West winds up to 5 mph shifting to the northwest 5 to 15 mph in the afternoon.

Sunday Night: Mostly clear. Lows 4 to 10. North winds 5 to 10 mph.

Martin Luther King Jr Day: Sunny. Highs 18 to 26. North winds 5 to 10 mph.

Monday Night: Mostly clear. Lows 2 to 10. Southwest winds up to 10 mph.

Tuesday: Not as cold. Mostly sunny. Highs 29 to 37.

Tuesday Night: Mostly clear. Lows 10 to 18.

Wednesday: Sunny. Highs 32 to 40.

Wednesday Night: Mostly clear. Lows 12 to 20.

Thursday: Sunny. Highs 35 to 43.

Thursday Night: Partly cloudy. Lows 18 to 24.

Friday: Mostly sunny. Highs 35 to 43.

Friday Night: Mostly cloudy. Chance of snow after midnight. Lows around 19. Chance of snow 40 percent.

Saturday: Partly sunny with a 40 percent chance of snow. Highs 26 to 34.

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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