CNRFC - Hydrology - River Guidance - Graphical RVF

End of River Group

HUMBOLDT RIVER - COMUS (CMSN2)

Latitude: 40.99º N	Longitude: 117.32º W	Elevation: 4360 Feet
Location: Humboldt County in Nevada		River Group: Humboldt

Issuance Time:

Aug 12 2020 at 7:54 AM PDT

Next Issuance:

Aug 13 2020 at 9:00 AM PDT

Monitor Stage: 8.5 Feet

Flood Stage: 9.5 Feet

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
2019*	3,230	11.17	Jun 15, 2019
2018*	586	5.36	Apr 15, 2018
2017*	4,960	11.29	Mar 31, 2017
2016*	1,180	7.95	May 27, 2016
2015*	476	4.86	Jun 17, 2015
Historical High Stage/Flow Events (Period of Record - April 1895** to Present)
1984*	9,900	12.25	Apr 24, 1984
1952*	5,860	11.52	May 6, 1952
1983*	5,210	11.76	Jun 14, 1983
2017*	4,960	11.29	Mar 31, 2017
2005*	4,710	11.44	May 28, 2005
1969*	3,910	10.64	Apr 18, 1969
* Discharge affected to unknown degree by regulation or diversion
** Missing records from 1927 to 1945

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (NVZ030)

Tonight: Mostly clear. Patchy blowing dust in the evening. Lows 48 to 56. West winds 10 to 15 mph. Gusts up to 35 mph in the evening.

Thursday: Sunny. Highs 88 to 94 valleys and 82 to 92 mountains. Southwest winds 10 to 15 mph.

Thursday Night: Clear. Lows 49 to 57. West winds 10 to 15 mph.

Friday: Sunny. Highs 87 to 97. Light winds becoming southwest around 10 mph in the afternoon.

Friday Night: Mostly clear. Lows 51 to 60. West winds 10 to 15 mph shifting to the north after midnight.

Saturday: Mostly sunny. Highs 94 to 100 valleys and 87 to 97 mountains.

Saturday Night and Sunday: Partly cloudy. Lows 55 to 64. Highs 96 to 102 valleys and 89 to 99 mountains.

Sunday Night: Mostly cloudy. Lows 58 to 66.

Monday: Mostly sunny. Highs 93 to 99 valleys and 87 to 97 mountains.

Monday Night: Mostly cloudy. Lows 57 to 65.

Tuesday: Mostly sunny. Highs 92 to 98 valleys and 86 to 96 mountains.

Tuesday Night and Wednesday: Mostly clear. Lows 52 to 62. Highs 91 to 97 valleys and 85 to 95 mountains.

Impacts - E19 Information
8.5 Feet	Some very minor flooding at scattered locations in reach. No flooding in Winnemucca.
9.0 Feet	Very minor lowland flooding in reach. No flooding in Winnemucca.
9.5 Feet	Flood Stage - Minor lowland flooding throughout reach. No flooding in Winnemucca.
10.0 Feet	Minor to moderate lowland flooding throughout reach. Some rural roads near river begin to flood. Very minor flooding begins in Winnemucca with sewer backups, and lowest parts of town begin to flood (similar to 02/1986 flood).
10.5 Feet	Moderate lowland flooding through reach with some rural roads flooded. Minor flooding in lower parts of Winnemucca with sewer backups. Main area impacted is between Union Pacific railroad and 2nd Street beneath Interstate 80 (similar to 02/1986, 06/1995, and 05/1998 floods).
11.0 Feet	Moderate to major lowland flooding throughout reach. Many rural roads near river flooded. Minor to moderate flooding in lower portions of Winnemucca. Main area impacted is between Union Pacific railroad and Golconda Street on west and 2nd Street beneath Interstate 80 on the east (similar to 06/1921 and 04/1969 floods).
11.5 Feet	Major flooding throughout reach, except moderate flooding in lower portion of Winnemucca. Many rural roads near river flooded. Main area impacted is between Union Pacific railroad and Golconda Street on the west and 2nd Street on the east not including Interstate 80 (similar to 06/1983 flood).
12.0 Feet	Major flooding, including Winnemucca. All secondary roads, stretches of rail and some ranch buildings near river flood. River 2 to 4 miles wide through Humboldt County. Lower parts of Winnemucca flood between Union Paific railroad and Golconda Street on the west and 2nd Street on the east not including Interstate 80. A dozen homes and several businesses affected. Large loss of livestock in area (greater than 05/1952 flood, but not as severe as record 04/1984 flood).
12.5 Feet	Near record to record flooding in Humboldt County. Most secondary roads near the river, bridges over some primary roads, long stretches of rail, and many ranch buildings flood. River 2 to 5 miles wide through Humboldt County. Winnemucca flooded between Union Pacific railroad and 2nd Street on the east. US Highway 95 bridge in Winnemucca may be affected. Many homes and businesses flood in Winnemucca. Large losses of livestock in area (similar to record 04/1984 flood).

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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