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: Nov 26 2022 at 8:02 AM PSTNext Issuance: Nov 27 2022 at 9:00 AM PST
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
2021*
839
6.78
Jan 28, 2021
2020*
308
5.17
Mar 17, 2020
2019*
6,080
15.14
Mar 6, 2019
2018*
2,180
9.62
Nov 26, 2017
2017*
7,650
17.34
Feb 10, 2017
 Historical High Stage/Flow Events (Period of Record - Dec 1997 to Present) - Ranked by Flow
1998*
9,395
18.48
Feb 3, 1998
2006*
9,328
18.40
Apr 4, 2006
 * Discharge affected by regulation or diversion
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ019)
Today: Areas of frost early in the morning. Mostly sunny. Highs around 63. Light winds.

Tonight: Partly cloudy. Lows 34 to 44. Light winds.

Monday: Patchy fog in the morning. Mostly sunny. Highs 53 to 63. Northwest winds up to 15 mph. Gusts up to 25 mph in the afternoon.

Monday Night: Mostly clear. Lows 32 to 40. Northwest winds up to 15 mph with gusts to around 25 mph.

Tuesday: Areas of frost in the morning. Sunny. Highs 50 to 57. Northwest winds up to 10 mph with gusts to around 20 mph.

Tuesday Night: Clear. Areas of frost. Lows 29 to 39.

Wednesday: Mostly sunny. Widespread frost. Highs 54 to 60.

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

Thursday: Rain showers likely. Highs 48 to 56.

Thursday Night: Mostly cloudy with a chance of rain showers. Lows 33 to 41.

Friday: Mostly cloudy with a slight chance of rain showers. Highs 47 to 53.

Friday Night and Saturday: Mostly cloudy with a chance of rain showers. Lows 32 to 40. Highs 48 to 54.
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.