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

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MORMON SLOUGH - BELLOTA (MSGC1)
Latitude: 38.05º NLongitude: 121.01º WElevation: 130 Feet
Location: San Joaquin County in CaliforniaRiver Group: San Joaquin
Monitor Stage: 16.0 FeetFlood Stage: 22.0 FeetDanger Stage: 23.0 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.

Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2016*
2,281
9.84
Jan 18, 2016
2015*
2,454
9.39
Dec 12, 2014
2014*
102
2.96
Mar 1,, 2014
2013*
1,271
7.08
Dec 2, 2012
2012*
1,766
7.96
Apr 13, 2012
 Historical High Stage/Flow Events (Period of Record - Dec 1997 to Present)
2006*
9,328
18.40
Apr 4, 2006
1998*
9,395
18.48
Feb 3, 1998
 * Discharge affected by regulation or diversion
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ019)
Tonight: Mostly clear. Lows 28 to 38. Northwest winds up to 10 mph.

Sunday: Patchy frost in the morning. Mostly sunny. Highs 55 to 62. Northwest winds up to 10 mph with gusts to around 20 mph.

Sunday Night: Mostly clear in the evening, then mostly cloudy with a slight chance of rain after midnight. Lows 36 to 42. Northwest winds up to 10 mph.

Monday: Rain likely in the morning, then rain showers likely in the afternoon. Highs 46 to 54. Southeast winds up to 10 mph.

Monday Night: Mostly cloudy with a slight chance of rain showers. Lows 30 to 38. Northwest winds around 10 mph with gusts to around 20 mph.

Tuesday: Mostly sunny. Highs 51 to 59.

Tuesday Night: Mostly clear. Lows 34 to 40.

Wednesday: Partly cloudy. Highs 53 to 60.

Wednesday Night: Mostly cloudy with a chance of rain showers. Lows 37 to 45.

Thursday: Rain showers likely. Highs 50 to 58.

Thursday Night: Rain showers likely. Lows 38 to 44.

Friday through Saturday: Mostly cloudy with a chance of rain showers. Highs 51 to 58. Lows 35 to 44.
Impacts - E19 Information
9.0 FeetWater rises out of the pilot channel but not yet on the levee slopes.
14.2 FeetUOP research within the Calaveras River channel is affected by water levels.
16.0 FeetBike trail within lower Calaveras River channel is flooded
22.0 FeetFlood Stage.
23.0 FeetDanger Stage.
31.9 FeetWater will overflow toward Bellota and Highway 26.
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.