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

 | 

SAN JOAQUIN RIVER - VERNALIS (VNSC1)
Latitude: 37.68º NLongitude: 121.27º WElevation: 35 Feet
Location: San Joaquin County in CaliforniaRiver Group: San Joaquin
Issuance Time: Dec 10 2018 at 7:49 AM PSTNext Issuance: Dec 10 2018 at 3:00 PM PST
Monitor Stage: 24.5 FeetFlood Stage: 29.0 FeetDanger Stage: 29.5 Feet
Observed Data Credit
Gage owner logo

Raw streamflow data is provided by the US Geological Survey (USGS).
View USGS 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
2017*
41,000
30.73
Feb 23, 2017
2016*
5,800
14.21
Mar 15, 2016
2015*
1,850
9.66
Dec 18, 2014
2014*
3,080
11.15
Apr 27, 2014
2013*
4,210
12.37
May 4, 2013
 Historical High Stage/Flow Events (Period of Record - Jul 1922 to Present)
1951*
79,000
27.75
Dec 09, 1950
1997*
75,600
34.88
Jan 05, 1997
1969*
52,600
34.55
Jan 27, 1969
1938*
51,200
26.64
Mar 16, 1938
1956*
50,900
26.89
Dec 25, 1955
1983*
45,100
31.49
Mar 07, 1983
 * Discharge affected by regulation or diversion
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ019)
Today: Mostly cloudy. Patchy fog in the morning. A slight chance of rain showers in the afternoon. Highs around 56. Northwest winds up to 10 mph.

Tonight: Mostly clear. Patchy fog after midnight. Lows 33 to 43. Northwest winds up to 10 mph.

Tuesday: Areas of fog and locally dense in the morning. Mostly sunny. Highs around 56. West winds up to 10 mph.

Tuesday Night: Mostly clear. Lows 35 to 45. Light winds.

Wednesday: Mostly sunny. Highs around 58. Northwest winds up to 10 mph.

Wednesday Night: Mostly clear. Lows 34 to 44.

Thursday: Mostly sunny. Highs around 58.

Thursday Night: Mostly clear. Lows 38 to 46.

Friday: Mostly cloudy with a slight chance of rain. Highs around 59.

Friday Night: Mostly cloudy with a chance of rain. Lows 39 to 45.

Saturday: Partly cloudy. Highs around 57.

Saturday Night: Mostly cloudy with a slight chance of rain. Lows 41 to 47.

Sunday: Mostly cloudy with a chance of rain. Highs around 55.
Impacts - E19 Information
21.0 FeetSeepage begins into crop area outside of levee.
26.0 FeetSevere seepage occurs outside the levees. The area covered by seepage will increase as the river stage rises.
37.3 FeetStages above 37.3 Feet results 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.