WGUS46 KSTO 171558 CCA
FLWLSJ

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning...CORRECTED
National Weather Service Sacramento CA
858 AM PDT Fri Mar 17 2023

...The National Weather Service in Sacramento CA has issued a Flood 
Warning for the following rivers in California...

  San Joaquin River Near Vernalis affecting San Joaquin County.

.The San Joaquin River at Vernalis has reached flood stage and is 
expected to rise above 29.5 feet early Sunday morning. This is a 
result of latest storm's runoff and reservoir operators maintaining 
elevated releases due to large snowpack.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Motorists should not attempt to drive around barricades or drive 
cars through flooded areas.

For more hydrologic information and stage definitions refer to the 
following web site: wrh.noaa.gov/sto/hydro_data.php

The next statement will be issued Saturday morning at 900 AM PDT.

&&

CAC077-181600-
/O.COR.KSTO.FL.W.0016.230317T1547Z-000000T0000Z/
/VNSC1.1.ER.230317T1406Z.230319T0900Z.000000T0000Z.NO/
858 AM PDT Fri Mar 17 2023

...FLOOD WARNING IN EFFECT FROM THIS MORNING UNTIL FURTHER NOTICE...

* WHAT...Minor flooding is forecast.

* WHERE...San Joaquin River near Vernalis.

* WHEN...From this morning until further notice.

* IMPACTS...At 21.0 feet, Seepage begins into crop area outside of 
  levees.
  At 26.0 feet, Severe seepage occurs outside the levees. The area 
  covered by seepage will increase as the river stage rises.

* ADDITIONAL DETAILS...
  - At 7:45 AM PDT Friday the stage was 29.0 feet.
  - Forecast...The river is expected to rise to 29.6 feet early
    Sunday morning. Additional rises are possible thereafter.
  - Flood stage is 29.0 feet.
  - Flood History...This crest compares to a previous crest of
    29.8 feet on 03/18/1986.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 3772 12141 3777 12123 3765 12109 3756 12127


$$

CAC067-077-181600-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/MCNC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.NO/
858 AM PDT Fri Mar 17 2023

...FORECAST INFORMATION UNTIL FURTHER NOTICE...

* WHAT...No flooding is currently forecast.

* WHERE...Cosumnes River near McConnell.

* WHEN...Until further notice.

* ADDITIONAL DETAILS...
  - At 8:15 AM PDT Friday the stage was 38.5 feet.
  - Forecast...Forecast to fall below monitor stage of 36.0 FT
    late this evening then forecast to recede to near 34.5 FT
    tomorrow morning.
    * Impact...Near 35.0 feet, The Cosumnes River overflow
    channel begins to flow.
    Near 36.0 feet, Monitor Stage - Water exits the river
    upstream and downstream of Highway 99. Dillard Road is
    flooded from Highway 99 to Riley Road. Twin Cities Road is
    flooded from Hardesty Lane to Christensen Road.
  - Flood stage is 42.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 3833 12147 3848 12133 3832 12124 3823 12140


$$

CAC099-181600-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/MDSC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.NO/
858 AM PDT Fri Mar 17 2023

...FORECAST INFORMATION UNTIL FURTHER NOTICE...

* WHAT...No flooding is currently forecast.

* WHERE...Tuolumne River at Modesto.

* WHEN...Until further notice.

* ADDITIONAL DETAILS...
  - At 8:15 AM PDT Friday the stage was 54.5 feet.
  - Forecast...Forecast to fluctuate near 54.5 FT thru tomorrow
    morning.
    * Impact...Near 55.0 feet, This is channel capacity through
    downtown Modesto.
    Near 67.0 feet, Extensive flooding occurs. Flows in excess of
    40,000 cfs could cause extensive damage to residential,
    industrial and commercial development in Modesto downstream
    of gage.
  - Flood stage is 55.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 3763 12120 3771 12075 3758 12069 3752 12112


$$

CAC005-017-067-181600-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/MHBC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.NO/
858 AM PDT Fri Mar 17 2023

...FORECAST INFORMATION UNTIL FURTHER NOTICE...

* WHAT...No flooding is currently forecast.

* WHERE...Cosumnes River at Michigan Bar.

* WHEN...Until further notice.

* ADDITIONAL DETAILS...
  - At 7:30 AM PDT Friday the stage was 7.9 feet.
  - Forecast...Forecast to fluctuate near 8.0 FT into this
    afternoon then forecast to recede to near 7.5 FT this evening
    then forecast to fluctuate near 7.5 FT into tomorrow morning.
    * Impact...Near 8.0 feet, Low lying lands along the river
    begin to flood.
    Near 13.2 feet, Water floods houses in Wilton. The south bank
    levee near Wilton is overtopped.
    Near 12.0 feet, Water flows on to the road near Wilton.
  - Flood stage is 12.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 3848 12133 3859 12103 3842 12092 3836 12124


$$

CAC077-181600-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/MOSC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
858 AM PDT Fri Mar 17 2023

...FORECAST INFORMATION UNTIL FURTHER NOTICE...

* WHAT...No flooding is currently forecast.

* WHERE...San Joaquin River at Mossdale Bridge.

* WHEN...Until further notice.

* ADDITIONAL DETAILS...
  - At 8:00 AM PDT Friday the stage was 19.4 feet.
  - Forecast...Forecast to rise above monitor stage of 19.5 FT
    late this morning then forecast to rise to near 20.0 FT late
    tonight.
    * Impact...Near 16.39 feet, Historically Mossdale Trailer
    Park evacuates.
    Near 33.1 feet, Stages above 33.1 feet result in flooding
    outside of the levees. Top of levee.
    Near 15.4 feet, Mossdale Trailer Park is threatened by the
    high water. Mossdale Trailer Park is on the south side of the
    river inside the levee both upstream and downstream of the
    gage.
  - Flood stage is 28.5 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 3782 12140 3792 12130 3774 12123 3769 12136


$$

CAC099-181600-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/PATC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.NR/
858 AM PDT Fri Mar 17 2023

...FORECAST INFORMATION UNTIL FURTHER NOTICE...

* WHAT...No flooding is currently forecast.

* WHERE...San Joaquin River near Patterson.

* WHEN...Until further notice.

* ADDITIONAL DETAILS...
  - At 7:45 AM PDT Friday the stage was 51.1 feet.
  - Forecast...Forecast to fluctuate near 51.5 FT thru Sunday
    morning.
    * Impact...Near 58.3 feet, Stages above 58.3 feet result in
    flooding outside the levee. Top of levee.
  - Flood stage is 54.7 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 3757 12127 3763 12108 3746 12089 3736 12111


$$

CAC067-077-181600-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/THTC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.NO/
858 AM PDT Fri Mar 17 2023

...FORECAST INFORMATION UNTIL FURTHER NOTICE...

* WHAT...No flooding is currently forecast.

* WHERE...Mokelumne River near Benson's Ferry Near Thornton.

* WHEN...Until further notice.

* ADDITIONAL DETAILS...
  - At 8:15 AM PDT Friday the stage was 13.0 feet.
  - Forecast...Forecast to fluctuate near 13.0 FT into late this
    morning then forecast to recede to near 12.0 FT late this
    evening then forecast to fall below monitor stage of 12.0 FT
    late tonight.
    * Impact...Near 17.25 feet, Some local farm roads are closed.
    Low lying areas along the river are flooded.
    Near 29.6 feet, Top of Levee Left Bank.
  - Flood stage is 17.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 3829 12154 3829 12134 3820 12128 3820 12150


$$

IDS