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)

Long-Range Products (daily timestep)

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LAGUNA DE SANTA ROSA - SEBASTOPOL (LSEC1)

Latitude: 38.43º N	Longitude: 122.83º W	Elevation: 50 Feet
Location: Sonoma County in California		Bulletin Group: Russian Napa		River Group: Russian Napa

Issuance Time:

Jun 07, 2025 at 8:29 AM PDT

Action/Monitor: 67.0 Feet

Minor Flood: 69.0 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.

Stage forecasts at this location are uncertain due to backwater effects.

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

CSV Ensemble Files (Data in kcfs): Forecast Group | LSEC1

Cursor readout:

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

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ506)

Tonight: Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 40s to mid 50s. Southwest winds 10 to 20 mph.

Sunday: Partly cloudy in the morning then becoming sunny. Highs in the upper 60s to mid 80s. Southwest winds 10 to 20 mph.

Sunday Night: Mostly clear in the evening then becoming partly cloudy. Lows in the 50s to lower 60s. Southwest winds 10 to 20 mph.

Monday: Mostly cloudy in the morning then becoming sunny. Highs in the 70s to 80s. Southwest winds 10 to 20 mph.

Monday Night: Mostly clear in the evening then becoming partly cloudy. Breezy. Lows in the 50s. West winds 20 to 30 mph and Becoming southwest 10 to 20 mph after midnight.

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

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

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

Wednesday Night: Clear. Lows in the upper 40s to mid 50s.

Thursday: Sunny. Highs in the lower 70s to mid 80s.

Thursday Night: Clear. Lows in the upper 40s to mid 50s.

Friday through Saturday: Mostly clear. Highs in the upper 60s to lower 80s. Lows in the mid 40s to lower 50s.

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