844
FGUS86 KSTO 240012
RVSUSA
Hydrologic Statement
National Weather Service Sacramento CA
412 PM PST Sat Nov 23 2024

...High Flows forecast to continue on Upper Sacramento River...

.Heavy rainfall across the region is resulting in high flows on the
upper Sacramento River. This will result in high action/monitor
stage and a point to exceed flood stage. Please refer to CNRFC
webpage for further information with flooding.Forecasts are based on
present and forecasted meteorological and hydrologic conditions at
time of issuance.Unlisted forecast points are expected to remain
below monitor stage. All those affected by river conditions should
remain alert for rapid changes and for possible forecast
revisions.For more hydrologic information and stage definitions
refer to the following web site: water.noaa.gov/wfo/STO

Forecasts are based on present and forecasted meteorological and
hydrologic conditions at time of issuance.

Unlisted forecast points are expected to remain below monitor stage.
All those affected by river conditions should remain alert for rapid
changes and for possible forecast revisions.

For more hydrologic information and stage definitions refer to the
following web site: water.noaa.gov/wfo/STO

CAC103-250015-
412 PM PST Sat Nov 23 2024

Sacramento River Above
 Bend Bridge 11/23 3:45 stage 11.4 ft
Forecast to fluctuate near 10.5 FT into this evening then forecast
to recede to near 5.5 FT tomorrow evening then forecast to rise to
near 8.0 FT early Monday afternoon.
 Monitor stage 22.0 ft, Flood stage 27.0


$$

CAC103-250015-
412 PM PST Sat Nov 23 2024

Sacramento River At
 Tehama Bridge 11/23 3:00 stage 207.4 ft
Forecast to recede to near 200.5 FT tomorrow evening then forecast
to rise to near 201.5 FT early Monday afternoon.
 Monitor stage 206.5 ft, Flood stage 209.5


$$

CAC103-250015-
412 PM PST Sat Nov 23 2024

Sacramento River At
 Vina Woodson Bridge 11/23 3:45 stage 178.8 ft
Forecast to recede to near 170.0 FT late tomorrow evening then
forecast to rise to near 171.5 FT Monday afternoon with continued
rise expected.
 Monitor stage 180.0 ft, Flood stage 183.0


$$

CAC021-007-250015-
412 PM PST Sat Nov 23 2024

Sacramento River At
 Hamilton City 11/23 3:45 stage 144.6 ft
Forecast to fall below monitor stage of 142.0 FT this evening then
forecast to recede to near 132.0 FT early Monday morning then
forecast to rise to near 133.0 FT Monday afternoon with continued
rise expected.
 Monitor stage 142.0 ft, Flood stage 147.0
Impact for Hamilton City...Near 137.7 feet, West Sacramento Avenue
and River Road north of Big Chico Creek flood 1.5 hours after the
Hamilton City gage reaches 137.7-138.0 feet.


$$

CAC021-007-250015-
412 PM PST Sat Nov 23 2024

Sacramento River At
 Butte City 11/23 2:00 stage 87.8 ft
Forecast to rise above monitor stage of 88.5 FT this evening then
forecast to rise to near 89.0 FT just after midnight tonight then
forecast to fall below monitor stage of 88.5 FT early tomorrow
afternoon then forecast to recede to near 76.5 FT Monday afternoon.
 Monitor stage 88.5 ft, Flood stage 97.0


$$

CAC011-101-250015-
412 PM PST Sat Nov 23 2024

Sacramento River At
 Moulton Weir 11/23 3:45 stage 75.0 ft
Present overflow depth is about 0.3 FT then overflow depth at weir
increasing to 0.8 FT late this evening then overflow depth at weir
increasing to 1.1 FT just after midnight tonight then overflow depth
at weir decreasing to 1.2 FT early tomorrow afternoon then forecast
to end overflow late tomorrow evening.
 Monitor stage 76.2 ft, Flood stage 83.8
Impact for Moulton Weir...Near 76.2 feet, Moulton Weir crest
elevation. Overflow begins into butte sink. River Road is flooded
and closed.


$$

CAC011-101-250015-
412 PM PST Sat Nov 23 2024

Sacramento River At
 Colusa Weir 11/23 3:00 stage 65.4 ft
Present overflow depth is about 4.7 FT then overflow depth at weir
increasing to 5.2 FT late this evening then overflow depth at weir
increasing to 5.4 FT just after midnight tonight then overflow depth
at weir decreasing to 1.5 FT Monday afternoon.
 Monitor stage 60.9 ft, Flood stage 70.1
Impact for Colusa Weir...Near 60.9 feet, Colusa Weir crest
elevation. Overflow begins into the Sutter Bypass.


$$

CAC011-101-250015-
412 PM PST Sat Nov 23 2024

Sacramento River At
 Colusa Bridge 11/23 3:45 stage 65.2 ft
Forecast to fluctuate near 65.5 FT into late this evening then
forecast to rise to near 66.5 FT tomorrow morning then forecast to
fall below monitor stage of 63.0 FT early Monday afternoon then
forecast to recede to near 62.5 FT Monday afternoon.
 Monitor stage 63.0 ft, Flood stage 70.0
Impact for Colusa Bridge...Near 65.0 feet, Water moves into the
parking lot of Loves Landing trailer park along east bank of river
inside levee.
Near 63.0 feet, Monitor Stage.


$$

CAC011-101-250015-
412 PM PST Sat Nov 23 2024

Sacramento River At
 Tisdale Weir 11/23 3:15 stage 45.9 ft
Present overflow depth is about 2.1 FT then overflow depth at weir
increasing to 2.2 FT this evening then overflow to remain near depth
of 2.4 FT into Monday evening.
 Monitor stage 44.1 ft, Flood stage 51.6
Impact for Tisdale Weir...Near 44.1 feet, Tisdale Weir crest
elevation. Overflow begins into the Tisdale Bypass. This water
eventually ends up in the Sutter Bypass.


$$