CNRFC - Ensemble Products

*** IMPORTANT *** Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.

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KLAMATH RIVER - ORLEANS (ONSC1)

Latitude: 41.30º N	Longitude: 123.54º W	Elevation: 430 Feet
Location: Humboldt County in California		Bulletin Group: North Coast		River Group: Klamath

Issuance Time:

Jun 16, 2025 at 6:39 AM PDT

Action/Monitor: 32.0 Feet

Minor Flood: 38.0 Feet

Moderate Flood: 43.0 Feet

Major Flood: 48.0 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 Files (Data in kcfs): Forecast Group | ONSC1

Select Threshold to Use: Threshold Value: Threshold Label:

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		Official Forecast (Deterministic)

		Prob. of Threshold Exceedance
		Model Traces

What information is considered in this forecast?

Verification / Historical Plots
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Flood Impacts
43.0 Feet	Flood waters are likely to cover Highway 96 in numerous locations and will threaten residences and businesses in and around orleans including Sandy Bar Cabins, Riverside Trailer Park and the downtown area. All persons in the vicinity of the river should take appropriate action and move to higher ground if necessary.
40.0 Feet	Extensive flooding of areas south of Highway 96 near Orleans, Highway 96 north of the bridge at Orleans, at Ishi Pishi Bar, and near Slate Creek. Flooding of the fire house and other buildings on the southwest side of Orleans is expected. Flooding of Highway 96 in Orleans is possible.
38.0 Feet	Extensive flooding of low lying areas south of Highway 96 near Orleans and of the highway itself north of the bridge at Orleans. Flooding is likely near Ishi Pishi Bar and Slate Creek. Water may enter the fire house and other buildings on the southwest side of Orleans.
37.0 Feet	Flooding in low lying areas south of Highway 96 near Orleans and on the highway itself north of the bridge at Orleans will occur. There may also be flooding of Highway 96 at Ishi Pishi Bar.
35.0 Feet	Flooding is likely in lower areas south of Highway 96 near Orleans and on the highway itself north of the bridge at Orleans. Flooding is possible on Highway 96 near Ishi Pishi Bar.
34.0 Feet	Flooding is possible along Highway 96 north of the bridge at Orleans, and in adjacent low-lying areas.

Official 7 Day National Weather Service Forecast (CAZ105)

Today: Mostly cloudy in the morning then clearing. Highs 68 to 83.

Tonight: Mostly clear. Lows 41 to 51.

Tuesday: Sunny. Highs 74 to 89.

Tuesday Night: Mostly clear. Lows 45 to 55.

Wednesday: Sunny. Highs 75 to 90.

Wednesday Night through Thursday Night: Partly cloudy. Lows 43 to 53. Highs 75 to 90.

Friday: Mostly cloudy in the morning then becoming partly cloudy. Highs 63 to 78.

Friday Night and Saturday: Partly cloudy. Slight chance of rain showers. Lows 40 to 50. Highs 63 to 78.

Saturday Night and Sunday: Partly cloudy. Lows 40 to 50. Highs 70 to 85.

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