River Statement
Issued by NWS

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023
FGUS86 KSTO 222253
RVSUSA
Hydrologic Statement
National Weather Service Sacramento CA
253 PM PST Fri Nov 22 2024

...High flows forecast on the Upper Sacramento River System...

.Heavy rainfall over the region has resulted in high flows
throughout the upper Sacramento River system. Multiple forecast
points are forecast to high action / monitor stage, and a few
forecast to exceed flood stage. Please refer to the 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

CAC103-232300-
253 PM PST Fri Nov 22 2024

Sacramento River Above
 Bend Bridge 11/22 1:45 stage 18.9 ft
Forecast to fluctuate near 18.5 FT into late this afternoon then
forecast to recede to near 6.0 FT early Sunday afternoon.
 Monitor stage 22.0 ft, Flood stage 27.0


$$

CAC021-007-232300-
253 PM PST Fri Nov 22 2024

Sacramento River At
 Hamilton City 11/22 1:45 stage 143.1 ft
Forecast to rise to near 145.5 FT late tonight then forecast to fall
below monitor stage of 142.0 FT early tomorrow afternoon then
forecast to recede to near 133.0 FT early Sunday afternoon.
 Monitor stage 142.0 ft, Flood stage 147.0
Impact for Hamilton City...Near 144.0 feet, County Road 23 in Glenn
County closes east of RD 2140 levee as a result of water on roadway.
Near 145.1 feet, Water inundates Phase 2A restoration area north of
Hwy 32 bridge inside of levee; touches toe of levee.
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.


$$

CAC021-007-232300-
253 PM PST Fri Nov 22 2024

Sacramento River At
 Ord Ferry 11/22 1:45 stage 108.8 ft
Forecast to rise above monitor stage of 110.0 FT late this afternoon
then forecast to rise to near 113.5 FT tomorrow morning then
forecast to fall below monitor stage of 110.0 FT early Sunday
morning then forecast to recede to near 104.0 FT early Sunday
afternoon.
 Monitor stage 110.0 ft, Flood stage 114.0
Impact for Ord Ferry...Near 110.3 feet, Head cuts in 3Bs silt weir
start overflow into Butte Basin, flooding dips on Ord Ferry Road
west of River Road. Persistent flows at or above this level increase
flooding in Butte Basin. Ord Ferry Road and additional roads in
Glenn and Colusa counties are closed due to flooding.


$$

CAC011-101-232300-
253 PM PST Fri Nov 22 2024

Sacramento River At
 Moulton Weir 11/22 1:45 stage 75.1 ft
Forecast to begin overflow early tomorrow afternoon then overflow
depth at weir increasing to 0.8 FT late tomorrow evening then
forecast to end overflow late Sunday morning.
 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.


$$

CAC011-101-232300-
253 PM PST Fri Nov 22 2024

Sacramento River At
 Colusa Weir 11/22 2:00 stage 59.5 ft
Forecast to begin overflow this evening then overflow depth at weir
increasing to 5.2 FT early tomorrow afternoon then overflow depth at
weir increasing to 5.4 FT tomorrow afternoon then overflow depth at
weir decreasing to 4.7 FT early Sunday 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.


$$

CAC011-101-232300-
253 PM PST Fri Nov 22 2024

Sacramento River At
 Colusa Bridge 11/22 2:45 stage 56.6 ft
Forecast to rise above monitor stage of 63.0 FT late this evening
then forecast to rise to near 66.5 FT late tomorrow evening then
forecast to recede to near 66.0 FT early Sunday 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.


$$

CAC011-101-232300-
253 PM PST Fri Nov 22 2024

Sacramento River At
 Tisdale Weir 11/22 2:15 stage 42.6 ft
Forecast to begin overflow this evening then overflow depth at weir
increasing to 2.7 FT late tomorrow morning.
 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.


$$