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 20 2019 at 2:19 PM PSTNext Issuance: Feb 21 2019 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
2017
-- 21.70 Feb 23, 2017
2016
--
7.29
Mar 16, 2016
2015
--
6.99
Dec 21, 2014
2014
--
6.78
Apr 19, 2014
2013
--
7.46
Dec 26, 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
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: Mostly cloudy. A chance of rain showers in the evening, then a slight chance of rain showers after midnight. Lows 29 to 39. Northwest winds up to 10 mph.

Thursday: Partly cloudy in the morning then clearing. Highs 49 to 56. Northwest winds up to 20 mph. Gusts up to 30 mph in the afternoon.

Thursday Night: Clear. Lows 29 to 35. Northwest winds 10 to 20 mph.

Friday: Areas of frost in the morning. Sunny. Highs 50 to 57. West winds up to 10 mph.

Friday Night: Mostly clear. Lows 32 to 38. Light winds.

Saturday: Mostly sunny. Highs 52 to 59.

Saturday Night: Mostly cloudy with a slight chance of rain. Lows 38 to 44.

Sunday: Mostly cloudy with a slight chance of rain showers. Highs 52 to 59.

Sunday Night through Tuesday: Mostly cloudy with a chance of rain. Lows 39 to 46. Highs 52 to 61.

Tuesday Night and Wednesday: Mostly cloudy with a slight chance of rain. Lows around 45. Highs 56 to 65.
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.