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: Feb 23 2018 at 1:32 PM PSTNext Issuance: Feb 24 2018 at 9:00 AM PST
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
2016
--
7.29
Mar 16, 2016
2015
--
6.99
Dec 21, 2014
2014
--
6.78
Apr 19, 2014
2013
--
7.46
Dec 26, 2012
2012
-- 7.89 May 15, 2012
 Historical High Stage/Flow Events (Period of Record - Jan 1920 to Present)*
1951
--
24.40**
Dec 10, 1950
1997
--
23.24**
Jan 9, 1997
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.
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ019)
Tonight: Clear. Lows 26 to 36. Northwest winds 10 to 15 mph in the evening becoming light.

Saturday: Areas of frost in the morning. Mostly sunny. Highs 53 to 60. Southeast winds up to 10 mph shifting to the southwest in the afternoon.

Saturday Night: Partly cloudy in the evening then clearing. Lows 29 to 39. Northwest winds around 10 mph.

Sunday: Patchy frost in the morning. Sunny. Highs 55 to 62. Northwest winds up to 10 mph.

Sunday Night: Mostly clear in the evening, then mostly cloudy with a slight chance of rain showers after midnight. Lows 35 to 43. Northwest winds around 10 mph shifting to the southwest up to 10 mph after midnight. Gusts up to 20 mph.

Monday: Rain showers likely. Highs 48 to 56.

Monday Night: Partly cloudy with a slight chance of rain showers. Colder. Lows 29 to 39.

Tuesday and Tuesday Night: Mostly clear. Highs 52 to 60. Lows 30 to 40.

Wednesday: Partly cloudy. Highs 54 to 61.

Wednesday Night: Mostly cloudy with a slight chance of rain showers. Lows 35 to 43.

Thursday through Friday: Mostly cloudy with a chance of rain showers. Highs 52 to 61. Lows 35 to 45.
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.