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.

Short-Range Products (hourly timestep)

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RUSSIAN RIVER - HACIENDA BRIDGE (RIOC1)

Latitude: 38.51º N	Longitude: 122.93º W	Elevation: 20 Feet
Location: Sonoma County in California		Bulletin Group: Russian Napa		River Group: Russian Napa

Issuance Time:

Jun 16, 2025 at 6:41 AM PDT

Action/Monitor: 31.0 Feet

Minor Flood: 34.0 Feet

Moderate Flood: N/A

Major Flood: N/A

Please Note:

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

Short-Range Peak Exceedance Plot Product Info. Plot Type:

CSV Ensemble Files (Data in kcfs): Forecast Group | RIOC1

Cursor readout:River Level (Feet) Flow (CFS)

Show:

		Official Forecast (Deterministic)
		Ensemble Mean
		Model Traces

	Hourly Probabilities
		0-5% chance
		5-25% chance
		25-40% chance
		40-60% chance

What information is considered in this forecast?

Verification / Historical Plots
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Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

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Official 7 Day National Weather Service Forecast (CAZ506)

Today: Sunny, breezy. Highs in the 60s to 70s. Northwest winds 10 to 20 mph increasing to 20 to 30 mph in the afternoon.

Tonight: Mostly clear. Breezy. Lows in the mid 40s to lower 50s. Northwest winds 20 to 30 mph with gusts to around 45 mph.

Saturday: Sunny. Highs in the mid 60s to lower 80s. Northwest winds 10 to 20 mph.

Saturday Night: Mostly clear. Lows in the upper 40s to mid 50s. Northwest winds 10 to 20 mph.

Sunday: Sunny. Highs in the upper 60s to lower 80s. West winds 5 to 15 mph.

Sunday Night: Mostly clear. Lows in the upper 40s to mid 50s.

Monday: Partly cloudy in the morning then becoming sunny. Highs in the lower 70s to mid 80s.

Monday Night and Tuesday: Partly cloudy. Lows in the upper 40s to mid 50s. Highs in the upper 60s to lower 80s.

Tuesday Night: Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the upper 40s to mid 50s.

Wednesday: Mostly cloudy in the morning then becoming sunny. Highs in the upper 60s to mid 80s.

Wednesday Night and Thursday: Mostly clear. Lows in the upper 40s to mid 50s. Highs in the lower 70s to mid 80s.

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