CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

SAN JOAQUIN RIVER - MOSSDALE (MOSC1)

Latitude: 37.79º N	Longitude: 121.31º W	Elevation: 32 Feet
Location: San Joaquin County in California		Bulletin Group: San Joaquin		River Group: San Joaquin

Issuance Time:

Sep 20 2023 at 7:53 AM PDT

Next Issuance:

Sep 21 2023 at 9:00 AM PDT

Monitor Stage: 19.5 Feet

Flood Stage: 28.5 Feet

Danger Stage: 29.5 Feet

Plot Type:

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	--	7.51	Oct 24, 2021
2021	--	6.74	Jun 27, 2021
2020	--	7.93	Dec 13, 2019
2019	--	14.31	Jun 6, 2019
2018	--	10.43	Apr 8, 2018
Historical High Stage/Flow Events (Period of Record - Jan 1920 to Present)* - Ranked by Stage
1951	--	24.40**	Dec 10, 1950
1997	--	23.24**	Jan 9, 1997
2017	--	21.70	Feb 23, 2017
1969	--	20.31**	Jan 27, 1969
1967	--	18.10**	Jan 24, 1967
2006	--	17.19**	Apr 13, 2006
* No data was available Sep 2006 to Apr 2007
** Datum changed from NGVD29 to NAVD88 on 10/01/2006. The difference is +2.38 ft and must be applied to all data before date to convert to NAVD88

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Impacts - E19 Information
33.1 Feet	Stages above 30.7 feet result in flooding outside the levees. Top of levee.

Official 7 Day National Weather Service Forecast (CAZ019)

Today: Mostly sunny. Highs 74 to 82. West winds up to 10 mph.

Tonight: Clear. Lows 51 to 57. Northwest winds around 10 mph with gusts to around 20 mph.

Friday: Sunny. Highs 76 to 83. Northwest winds up to 10 mph.

Friday Night: Clear. Lows 52 to 58. Northwest winds up to 15 mph.

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

Saturday Night: Mostly clear. Lows 50 to 58.

Sunday: Mostly sunny. Highs 76 to 84.

Sunday Night: Partly cloudy. Lows 52 to 58.

Monday: Mostly sunny. Highs 75 to 82.

Monday Night: Partly cloudy with a slight chance of rain showers. Lows 56 to 62.

Tuesday through Wednesday: Mostly clear. Highs 72 to 82. Lows 53 to 62.

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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To view other verification locations, use our Historical Graphical River Forecast Interface.