CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

MORMON SLOUGH - BELLOTA (MSGC1)

Latitude: 38.05º N	Longitude: 121.01º W	Elevation: 130 Feet
Location: San Joaquin County in California		Bulletin Group: San Joaquin		River Group: North San Joaquin

Issuance Time:

Dec 07 2023 at 1:35 PM PST

Next Issuance:

Dec 08 2023 at 9:00 AM PST

Monitor Stage: 16.0 Feet

Flood Stage: 22.0 Feet

Danger Stage: 23.0 Feet

Plot Type:

Please Note: 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.

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

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2022*	1,950	9.21	Oct 25, 2021
2021*	839	6.78	Jan 28, 2021
2020*	308	5.17	Mar 17, 2020
2019*	6,080	15.14	Mar 6, 2019
2018*	2,180	9.62	Nov 26, 2017
Historical High Stage/Flow Events (Period of Record - Dec 1997 to Present) - Ranked by Flow
1998*	9,395	18.48	Feb 3, 1998
2006*	9,328	18.40	Apr 4, 2006
* Discharge affected by regulation or diversion

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Impacts - E19 Information
9.0 Feet	Water rises out of the pilot channel but not yet on the levee slopes.
14.2 Feet	UOP research within the Calaveras River channel is affected by water levels.
16.0 Feet	Bike trail within lower Calaveras River channel is flooded
22.0 Feet	Flood Stage.
23.0 Feet	Danger Stage.
31.9 Feet	Water will overflow toward Bellota and Highway 26.

Official 7 Day National Weather Service Forecast (CAZ019)

Today: Mostly cloudy in the morning then clearing. Areas of fog early in the morning. Patchy fog late in the morning. Highs 52 to 59. Northwest winds 10 to 15 mph with gusts to around 30 mph.

Tonight: Clear. Areas of frost after midnight. Colder. Lows 30 to 40. Northwest winds up to 15 mph with gusts to around 25 mph.

Saturday: Areas of frost in the morning. Mostly sunny. Highs 53 to 59. Southeast winds up to 10 mph.

Saturday Night: Mostly clear in the evening then becoming mostly cloudy. Lows 33 to 43. Light winds.

Sunday: Areas of frost in the morning. Mostly cloudy. Highs 55 to 61. North winds up to 10 mph.

Sunday Night: Mostly cloudy. Lows 33 to 43.

Monday: Mostly sunny. Highs 57 to 63.

Monday Night: Mostly clear. Lows 34 to 44.

Tuesday and Tuesday Night: Clear. Highs 57 to 62. Lows 34 to 44.

Wednesday through Thursday: Mostly clear. Highs 57 to 63. Lows 34 to 44.

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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Verification - Historical Graphical RVF
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