National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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SAN JOAQUIN RIVER - MOSSDALE (MOSC1)
Latitude: 37.79º NLongitude: 121.31º WElevation: 32 Feet
Location: San Joaquin County in CaliforniaRiver Group: San Joaquin
Issuance Time: Aug 05 2020 at 7:56 AM PDTNext Issuance: Aug 06 2020 at 9:00 AM PDT
Monitor Stage: 19.5 FeetFlood Stage: 28.5 FeetDanger Stage: 29.5 Feet
Observed Data Credit
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Raw streamflow data is provided by the California Department of Water Resources.
View CA DWR Data for this station location.

Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.
Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2019
--
14.31
Jun 6, 2019
2018
--
10.43
Apr 8, 2018
2017
-- 21.70 Feb 23, 2017
2016
--
7.29
Mar 16, 2016
2015
--
6.99
Dec 21, 2014
 Historical High Stage/Flow Events (Period of Record - Jan 1920 to Present)*
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
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ019)
Tonight: Clear. Lows 53 to 59. West winds 10 to 15 mph. Gusts up to 25 mph in the evening.

Thursday: Mostly sunny. Highs 83 to 89. West winds around 10 mph.

Thursday Night: Clear. Lows 55 to 63. Northwest winds 10 to 15 mph.

Friday: Sunny. Highs 85 to 93. West winds around 10 mph.

Friday Night: Clear. Lows 58 to 68. Northwest winds up to 10 mph.

Saturday: Sunny. Highs 91 to 97.

Saturday Night: Clear. Lows 60 to 70.

Sunday through Wednesday: Clear. Highs 89 to 99. Lows 58 to 68.
Impacts - E19 Information
33.1 FeetStages above 30.7 feet result in flooding outside the levees. Top of levee.
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.