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California, Northern San Joaquin Valley

Flood Warning

Statement as of 2:03 PM PST on February 23, 2017

Expires 7:02 PM EST on February 24, 2017


The Flood Warning continues for
the Tuolumne river at Modesto.
* At 1:30 PM Thursday the stage was 58.6 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast to fluctuate near 58.5 ft thru tomorrow afternoon.
* Flood stage 55.0 ft
* monitor stage 50.5 ft
* impact... near 55.0 feet, this is channel capacity through downtown
Modesto.

&&

Lat... Lon 3763 12120 3771 12075 3758 12069 3752 12112





203 PM PST Thu Feb 23 2017

The Flood Warning continues for
the San Joaquin River near Vernalis.
* At 1:45 PM Thursday the stage was 30.5 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast to fluctuate near 30.5 ft thru Saturday afternoon.
* Flood stage 29.0 ft
* monitor stage 24.5 ft
* impact... near 26.0 feet, severe seepage occurs outside the levees.
The area covered by seepage will increase as the river stage rises.
* Impact... near 21.0 feet, seepage begins into crop area outside of
levees.

&&

Lat... Lon 3772 12141 3777 12123 3765 12109 3756 12127





Flash Flood Watch

Statement as of 3:00 PM PST on February 23, 2017

Expires 10:00 AM EST on February 25, 2017


... Flash Flood Watch remains in effect through Saturday morning...

The Flash Flood Watch continues for

* a portion of northern California... including the following
areas... and Delta and the levees along the lower San Joaquin
River in the northern San Joaquin Valley.


* Through Saturday morning

* Don Pedro and other local dams are making large Reservoir
releases that are raising river levels along the lower San
Joaquin River north of Grayson. These elevated levels are
causing flooding in the low-lying areas along the river and
increasing concerns on the levees in the area.

* As a precaution, San Joaquin County officials and the National
Weather Service are encouraging local residents to be prepared
to take action in the event that levee conditions deteriorate.

Precautionary/preparedness actions...

A Flash Flood Watch associated with levees means that there is an
issue on the levee that if it were to deteriorate into a failure
it could lead to flash flooding and the rapid arrival of flood
waters into the area normally protected by the levee.


Jhm/cs



Hydrologic Statement

Statement as of 2:03 PM PST on February 23, 2017

Expires 7:02 PM EST on February 24, 2017


Forecast information for
Cosumnes river at Michigan Bar.
* At 1:30 PM Thursday the stage was 8.1 feet.
* Forecast to recede to near 7.5 ft tomorrow afternoon.
* Flood stage 12.0 ft
* monitor stage 7.0 ft
* impact... near 8.0 feet, low lying lands along the river begin to
flood.

&&

Lat... Lon 3848 12133 3859 12103 3842 12092 3836 12124





Flash Flood Watch

Statement as of 3:00 PM PST on February 23, 2017

Expires 10:00 AM EST on February 25, 2017


... Flash Flood Watch remains in effect through Saturday morning...

The Flash Flood Watch continues for

* a portion of northern California... including the following
areas... and Delta and the levees along the lower San Joaquin
River in the northern San Joaquin Valley.


* Through Saturday morning

* Don Pedro and other local dams are making large Reservoir
releases that are raising river levels along the lower San
Joaquin River north of Grayson. These elevated levels are
causing flooding in the low-lying areas along the river and
increasing concerns on the levees in the area.

* As a precaution, San Joaquin County officials and the National
Weather Service are encouraging local residents to be prepared
to take action in the event that levee conditions deteriorate.

Precautionary/preparedness actions...

A Flash Flood Watch associated with levees means that there is an
issue on the levee that if it were to deteriorate into a failure
it could lead to flash flooding and the rapid arrival of flood
waters into the area normally protected by the levee.


Jhm/cs



Weather Severe Map
Alaska - Winter Weather Advisory , Winter Storm Warning , Winter Weather Advisory, Winter Storm Watch , Winter Storm Watch
Arkansas - Lake Wind Advisory , Public Information Statement
California - Areal Flood Warning , Flood Warning , Flood Warning, Areal Flood Warning , Areal Flood Advisory , Areal Flood Watch , Flash Flood Watch , Winter Storm Warning, Winter Weather Advisory , Winter Weather Advisory , Hydrologic Statement , Special Statement , Hydrologic Statement, Special Statement , Air Quality Alert , Special Statement, Hydrologic Statement
Colorado - Winter Weather Advisory
Florida - Coastal Hazard Statement , Beach Hazard Statement
Guam - High Surf Advisory
Idaho - Areal Flood Warning , Flood Warning, Areal Flood Warning , Areal Flood Advisory , Areal Flood Advisory, Flood Watch , Winter Storm Warning , Winter Weather Advisory
Indiana - Special Statement
Iowa - Flood Warning , Flood Watch , Winter Weather Advisory , Blizzard Warning , Winter Storm Warning , Public Information Statement
Kentucky - Special Statement
Louisiana - Lake Wind Advisory
Maine - Areal Flood Watch , Freezing Rain Advisory
Michigan - Winter Weather Advisory , Winter Storm Warning
Minnesota - Flood Warning , Blizzard Warning , Winter Weather Advisory , Public Information Statement
Montana - Areal Flood Watch , Special Statement , Public Information Statement
Nebraska - Winter Storm Warning , Winter Weather Advisory , Blizzard Warning , Public Information Statement
Nevada - Flood Warning , Public Information Statement
New Hampshire - Areal Flood Watch
New Mexico - Wind Advisory , High Wind Warning , Fire Weather Warning , Public Information Statement
New York - Areal Flood Watch , Wind Advisory
North Dakota - Flood Warning
Oklahoma - Public Information Statement
Oregon - Flood Warning , Winter Weather Advisory , Frost Advisory, Winter Storm Warning , Winter Storm Warning, Winter Weather Advisory , Frost Advisory , Special Statement
Puerto Rico - High Surf Advisory, Coastal Hazard Statement , Coastal Hazard Statement
South Dakota - Flood Warning , Blizzard Warning , Winter Storm Warning , Public Information Statement
Tennessee - Wind Advisory , Special Statement , Public Information Statement
Texas - Flood Warning , Lake Wind Advisory , High Wind Warning , Fire Weather Warning , Public Information Statement
Utah - Winter Weather Advisory
Vermont - Areal Flood Watch
Virgin Islands - High Surf Advisory, Coastal Hazard Statement
Washington - Winter Weather Advisory , Special Statement
Wisconsin - Flood Warning , Winter Storm Warning , Winter Weather Advisory , Public Information Statement
Wyoming - Areal Flood Advisory , Winter Storm Warning , Winter Weather Advisory , Public Information Statement

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