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

 | 

MORMON SLOUGH - BELLOTA (MSGC1)
Latitude: 38.05º NLongitude: 121.01º WElevation: 130 Feet
Location: San Joaquin County in CaliforniaBulletin Group: San JoaquinRiver Group: North San Joaquin
Issuance Time: May 31 2023 at 8:46 AM PDTNext Issuance: Jun 01 2023 at 9:00 AM PDT
Monitor Stage: 16.0 FeetFlood Stage: 22.0 FeetDanger Stage: 23.0 Feet

Observed Data Credit
Gage owner logo

Raw streamflow data is provided by the California Department of Water Resources.
View CA DWR Data for this station location.

Verification - Historical Graphical RVF
Month:  
Day:  
Year:  
Cycle:  
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
2022*
1,950
9.21
Oct 25, 2021
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
 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
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.
Official 7 Day National Weather Service Forecast   (CAZ019)
Tonight: Clear. Lows 49 to 55. Northwest winds up to 15 mph with gusts to around 25 mph.

Thursday: Sunny. Highs 77 to 86. West winds up to 10 mph with gusts to around 20 mph.

Thursday Night: Clear. Lows 50 to 56. Northwest winds up to 15 mph with gusts to around 25 mph.

Friday: Sunny. Highs 81 to 89. Northwest winds up to 15 mph.

Friday Night: Clear. Lows 54 to 60. Northwest winds 10 to 15 mph.

Saturday: Sunny. Highs 85 to 93.

Saturday Night: Mostly clear. Lows 57 to 63.

Sunday: Mostly sunny. Highs 87 to 96.

Sunday Night through Monday Night: Partly cloudy. Lows 55 to 64. Highs 85 to 95.

Tuesday: Partly cloudy with a slight chance of rain showers. Highs 76 to 86.

Tuesday Night: Mostly cloudy. Lows 54 to 60.

Wednesday: Partly cloudy. Highs 75 to 84.
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.