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:

May 30 2023 at 8:20 AM PDT

Next Issuance:

May 31 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)

Tonight: Mostly clear. Lows 49 to 55. Northwest winds 10 to 15 mph with gusts to around 25 mph.

Wednesday: Sunny. Highs 74 to 83. West winds up to 10 mph with gusts to around 20 mph.

Wednesday Night: Clear. Lows 49 to 55. Northwest winds up to 15 mph with gusts to around 25 mph.

Thursday: Sunny. Highs 77 to 87. West winds up to 10 mph.

Thursday Night: Clear. Lows 50 to 56. West winds 10 to 15 mph.

Friday: Sunny. Highs 81 to 89.

Friday Night: Clear. Lows 54 to 60.

Saturday through Sunday: Clear. Highs 86 to 96. Lows 54 to 64.

Sunday Night and Monday: Mostly clear. Lows 59 to 65. Highs 86 to 96.

Monday Night: Partly cloudy. Lows 56 to 62.

Tuesday: Mostly sunny. Highs 79 to 88.

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.