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:

Feb 24 2020 at 8:24 AM PST

Next Issuance:

Feb 24 2020 at 3:00 PM PST

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
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
2014*	349	4.24	Jun 8, 2014
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)

Today: Mostly sunny. Highs 46 to 55 valleys and 40 to 50 mountains. Northwest winds 10 to 15 mph.

Tonight: Mostly clear. Lows 16 to 23. North winds around 10 mph.

Tuesday: Mostly sunny. Highs 48 to 55 valleys and 42 to 52 mountains. Light winds.

Tuesday Night: Mostly clear in the evening then becoming partly cloudy. Lows 21 to 27. Light winds.

Wednesday: Mostly sunny. Highs 55 to 62 valleys and 49 to 59 mountains. Light winds becoming northwest around 10 mph in the afternoon.

Wednesday Night through Thursday Night: Clear. Lows 21 to 31. Highs 56 to 63 valleys and 50 to 60 mountains.

Friday: Mostly sunny. Highs 59 to 67 valleys and 53 to 63 mountains.

Friday Night and Saturday: Mostly cloudy. Lows 28 to 36. Highs 57 to 65 valleys and 50 to 60 mountains.

Saturday Night: Mostly cloudy. Slight chance of rain and snow showers through the night. Lows 24 to 33.

Sunday: Mostly cloudy in the morning then becoming mostly sunny. Chance of snow showers through the day. Chance of rain showers in the afternoon. Highs 47 to 54 valleys and 41 to 51 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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