CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

STANISLAUS RIVER - ORANGE BLOSSOM (OBBC1)

Latitude: 37.79º N	Longitude: 120.76º W	Elevation: 117 Feet
Location: Stanislaus County in California		Bulletin Group: San Joaquin		River Group: San Joaquin

Issuance Time:

Apr 19 2025 at 8:02 AM PDT

Next Issuance:

Apr 20 2025 at 9:00 AM PDT

Action/Monitor: 13.0 Feet

Minor Flood: 16.0 Feet

Moderate Flood: 21.0 Feet

Major Flood: 22.0 Feet

Plot Type:

Please Note:
1) Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.

2) At extremely low river flows, the "Observed (Raw Data)" may show readings below the lower end of the available rating table, while the "Observed (Simulated)" will only show values at the bottom of the rating table, creating a potential discrepancy between the two readings.

Observed Data Credit
	Raw streamflow data is provided by the California Department of Water Resources. View California Department of Water Resources Data for this station location.

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2023*	5,640	10.15	Jan 1, 2023
2022*	1,610	4.81	Feb 7, 2022
2021*	1,750	4.78	Apr 23, 2021
2020*	4,370	8.66	Dec 6, 2019
2019*	6,120	10.94	Mar 6, 2019
Historical High Stage/Flow Events (Period of Record - Apr 1940 to Present) - Ranked by Flow
1956*	--	31.80**	Dec 23, 1956
1997*	--	13.95	Jan 02, 1997
1983	6,980	12.10	Nov 24, 1983
1986*	7,850	12.90	Mar 12, 1986
* Discharge affected by regulation or diversion
** Peak Stage of record occurred prior to New Melones Dam (1979)

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Flood Impacts
11.5 Feet	Caswell State Park access roads and park areas are flooded. Orange Blossom Park lower areas are flooded.
11.0 Feet	The lowest areas in Orange Blossom Park begins to flood. Caswell State Park lower areas are flooded.
10.5 Feet	Inundation of several camp sites at Caswell State Park occurs.

Official 7 Day National Weather Service Forecast (CAZ019)

Tonight: Clear. Lows 46 to 52. Northwest winds up to 10 mph.

Sunday: Sunny. Highs 74 to 82. Northwest winds up to 10 mph.

Sunday Night: Clear. Lows 47 to 53. Northwest winds up to 10 mph.

Monday: Sunny. Highs 76 to 84. Northwest winds up to 10 mph.

Monday Night: Clear. Lows 50 to 58. Northwest winds up to 10 mph.

Tuesday: Mostly sunny. Highs 78 to 87.

Tuesday Night: Clear. Lows 47 to 53.

Wednesday: Sunny. Highs 72 to 81.

Wednesday Night and Thursday: Mostly clear. Lows 45 to 51. Highs 70 to 80.

Thursday Night: Partly cloudy. Lows 45 to 51.

Friday through Saturday: Mostly clear. Highs 64 to 74. Lows 45 to 51.

Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Sacramento Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.

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