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 06 2024 at 8:36 AM PDT

Next Issuance:

May 07 2024 at 9:00 AM PDT

Monitor Stage: 19.5 Feet

Flood Stage: 28.5 Feet

Danger Stage: 29.5 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	--	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: Clear. Lows 44 to 50. Northwest winds 10 to 15 mph.

Tuesday: Sunny. Highs 67 to 76. Northwest winds 10 to 15 mph with gusts to around 25 mph.

Tuesday Night: Clear. Lows 45 to 55. Northwest winds 10 to 15 mph with gusts to around 30 mph.

Wednesday: Sunny, warmer. Highs 72 to 82. Northwest winds 10 to 15 mph with gusts to around 35 mph.

Wednesday Night: Clear. Lows 50 to 56. North winds 10 to 15 mph with gusts to around 25 mph.

Thursday: Sunny. Highs 78 to 87.

Thursday Night: Clear. Lows 54 to 60.

Friday through Sunday Night: Clear. Highs 83 to 93. Lows 54 to 63.

Monday: Mostly sunny. Highs 80 to 89.

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.