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HUMBOLDT RIVER - COMUS (CMSN2)

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

Issuance Time:

Dec 11, 2023 at 7:28 AM PST

Monitor Stage: 8.5 Feet

Flood Stage: 9.5 Feet

Please Note:

Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

Threshold Exceedance Plot Product Information

CSV Ensemble File Download (Data in feet): CMSN2

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		Official Forecast (Deterministic)

		Prob. of Threshold Exceedance
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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).

Official 7 Day National Weather Service Forecast (NVZ030)

Today: Mostly sunny. Isolated rain showers and snow showers in the morning, then scattered snow showers and isolated rain showers in the afternoon. Highs 39 to 45. North winds up to 5 mph. Chance of precipitation 50 percent.

Tonight: Mostly cloudy. Isolated rain showers in the evening, then isolated snow showers after midnight. Lows in the upper 20s. North winds up to 10 mph. Chance of precipitation 20 percent.

Tuesday: Partly sunny. Highs 36 to 44. Northeast winds 5 to 10 mph.

Tuesday Night: Partly cloudy. Lows in the lower 20s. Northeast winds up to 10 mph.

Wednesday: Mostly sunny. Highs 35 to 41. Southeast winds up to 10 mph.

Wednesday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows 20 to 26.

Thursday: Partly sunny. Highs 37 to 43.

Thursday Night: Mostly cloudy. Lows 23 to 29.

Friday: Partly sunny. Highs 40 to 46.

Friday Night: Mostly cloudy. Lows 24 to 30.

Saturday: Mostly sunny. Highs 43 to 49.

Saturday Night: Partly cloudy. Lows 23 to 29.

Sunday: Mostly sunny. Highs 42 to 48.

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