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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PIT RIVER - CANBY (CNBC1)

Latitude: 41.41º N	Longitude: 120.93º W	Elevation: 4266 Feet
Location: Modoc County in California		Bulletin Group: Upper Sacramento		River Group: Upper Sacramento

Issuance Time:

Jun 15, 2025 at 8:02 AM PDT

Action/Monitor: 7.5 Feet

Minor Flood: 8.5 Feet

Moderate Flood: 9.0 Feet

Major Flood: 10.0 Feet

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 | CNBC1

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
15.0 Feet	Record flood stage - expect disastrous flooding throughout southwest Modoc and northwest Lassen counties. 13000 cfs
13.0 Feet	Expect disastrous flooding throughout southwest Modoc and northwest Lassen counties. 9300 cfs
11.0 Feet	Expect major flooding in Canby and Lookout in southwest Modoc county and northwest Lassen county. 6600 cfs
10.0 Feet	Expect major flooding in Bieber, Nubieber, and throughout northwest Lassen county 5400 cfs
9.5 Feet	Expect significant flooding in southwest Modoc and northwest Lassen counties. 4900 cfs
9.0 Feet	Expect moderate flooding in Canby and Lookout in Modoc County and Bieber and Nubieber in Lassen County 4300 cfs
8.5 Feet	Flood stage - Expect minor flooding in Canby Lookout Bieber and Nubieber California and throughout southwest Modoc and northwest Lassen Counties. 4300 CFS
7.5 Feet	Expect minor lowland flooding from Canby in Modoc County down to Beiber and throughout northwest Lassen County 2900 CFS

Official 7 Day National Weather Service Forecast (CAZ085)

Tonight: Mostly cloudy then becoming partly cloudy late This Evening then becoming mostly clear. Lows in the mid 40s to lower 50s. Southwest winds 10 to 15 mph.

Monday: Partly cloudy. A 10 percent chance of thunderstorms in the afternoon. Highs in the mid 70s to lower 80s. Southwest winds 5 to 10 mph shifting to the west 10 to 15 mph in the afternoon.

Monday Night: Mostly clear. Lows in the mid 40s. West winds 10 to 20 mph shifting to the northwest 5 to 10 mph after midnight.

Tuesday: Sunny. Highs in the mid 70s to mid 80s. Northeast winds around 5 mph shifting to the west in the afternoon.

Tuesday Night: Clear. Lows in the mid 40s to lower 50s. Northwest winds 5 to 10 mph.

Wednesday through Thursday Night: Clear. Highs in the lower 80s to lower 90s. Lows in the mid 40s to lower 50s.

Friday: Sunny. Highs in the lower to mid 70s.

Friday Night through Saturday Night: Mostly clear. Lows in the mid 30s to lower 40s. Highs in the mid 60s to mid 70s.

Sunday: Sunny, warmer. Highs in the lower to mid 70s.

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