CNRFC Ensemble Plot for NDPC1

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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TUOLUMNE RIVER - NEW DON PEDRO RESERVOIR (NDPC1)

Latitude:
37.70º N

Longitude:
120.42º W

Elevation:
272 Feet

Location: Tuolumne County in CA

River Group: San Joaquin

Issuance Time:

Jan 11 2026 at 8:00 AM PST

Action/
Monitor:
N/A

Minor
Flood:
N/A

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 | NDPC1

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

Official 7 Day National Weather Service Forecast (CAZ019)

Today: Patchy fog early in the morning. Areas of fog late in the morning. Mostly sunny. Highs around 58. Light winds.

Tonight: Mostly clear. Patchy fog after midnight. Lows 37 to 43. Light winds.

Tuesday: Partly cloudy in the morning then clearing. Patchy dense fog. Highs around 58. Light winds.

Tuesday Night: Clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows 38 to 44. Light winds.

Wednesday: Partly cloudy in the morning then clearing. Patchy fog in the morning. Highs 55 to 61. Light winds.

Wednesday Night: Mostly clear. Patchy fog. Lows around 43.

Thursday: Partly cloudy. Patchy fog. Highs around 59.

Thursday Night through Saturday Night: Mostly clear. Lows around 44. Highs around 60.

Sunday: Partly cloudy. Patchy fog. Highs around 59.