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
Issuance Time: May 25 2019 at 8:47 AM PDTNext Issuance: May 26 2019 at 9:00 AM PDT
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.

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*
7,650
17.34
Feb 10, 2017
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
 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)
Today: Widespread rain showers in the morning, then rain showers likely and a slight chance of thunderstorms in the afternoon. Cooler. Highs 56 to 64. West winds 10 to 15 mph with gusts to around 30 mph.

Tonight: Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows 45 to 52. Northwest winds up to 10 mph.

Memorial Day: Mostly cloudy in the morning then becoming partly cloudy. Warmer. Highs 64 to 72. West winds up to 10 mph.

Monday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 48 to 54. Northwest winds around 10 mph.

Tuesday: Partly cloudy in the morning then clearing. Warmer. Highs 73 to 81. Northwest winds 10 to 15 mph.

Tuesday Night: Mostly clear. Lows 53 to 59.

Wednesday: Mostly sunny. Highs 77 to 85.

Wednesday Night through Saturday: Mostly clear. Lows 53 to 61. Highs 78 to 88.
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.