CNRFC Ensemble Plot for CLSC1

Short-Rng Pks	10D Prob	10 Accum
4x5D Prob	Mnth Prob	Seas Trnd
WY Trend	WY Accum	Multi-Yr Accum
Historical	Verification	Custom

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SACRAMENTO RIVER - MOULTON WEIR (CLSC1)

Latitude:
39.34º N

Longitude:
122.02º W

Elevation:
76 Feet

Location: Colusa County in CA

River Group: Upper Sacramento

Issuance Time:

Dec 04 2025 at 1:51 PM PST

Action/
Monitor:
76.2 Ft

Minor
Flood:
83.8 Ft

Moderate
Flood:
87.6 Ft

Major
Flood:
88.6 Ft

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 | CLSC1

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
<-- Previous Forecast	Forecast Date: Forecast Cycle:

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Flood Impacts
88.6 Feet	Stages above 89.2 feet result in major flooding of areas outside the levees. Top of levee.
76.2 Feet	Moulton Weir crest elevation. Overflow begins into butte sink. River Road is flooded and closed.

Official 7 Day National Weather Service Forecast (CAZ016)

Tonight: Mostly clear. Patchy fog in the late evening and overnight. Lows 38 to 44. Light winds.

Friday: Patchy fog in the morning. Mostly sunny. Highs 56 to 64. Light winds.

Friday Night: Mostly clear. Patchy fog after midnight. Lows around 42. Light winds.

Saturday: Partly cloudy in the morning then clearing. Patchy fog in the morning. Highs around 60. Light winds.

Saturday Night: Mostly clear. Patchy fog. Lows around 44. Light winds.

Sunday: Mostly cloudy. Patchy fog. Highs around 58.

Sunday Night: Partly cloudy. Patchy fog. Lows around 44.

Monday: Partly cloudy. Highs 59 to 65.

Monday Night: Partly cloudy. Patchy fog. Lows 42 to 48.

Tuesday through Wednesday: Mostly cloudy. Patchy fog. Highs 57 to 65. Lows 42 to 49.

Wednesday Night: Mostly clear. Patchy fog. Lows 44 to 49.

Thursday: Partly cloudy. Patchy fog. Highs 59 to 65.

Flood Impacts
88.6 Feet	Stages above 89.2 feet result in major flooding of areas outside the levees. Top of levee.
76.2 Feet	Moulton Weir crest elevation. Overflow begins into butte sink. River Road is flooded and closed.