317
FGUS86 KSTO 221733
RVSUSA
Hydrologic Statement
National Weather Service Sacramento CA
933 AM PST Fri Nov 22 2024

...Rising Waters Along Mainstem Sacramento River...

.Heavy rainfall has resulted in rises along the upper Sacramento
River system with multiple locations forecast to reach flood stage
and others reaching action / monitor stage.

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

CAC103-231745-
933 AM PST Fri Nov 22 2024

Sacramento River Above
 Bend Bridge 11/22 8:45 stage 18.9 ft
Forecast to fluctuate near 19.0 FT into this afternoon then forecast
to recede to near 6.5 FT late Sunday morning.
 Monitor stage 22.0 ft, Flood stage 27.0


$$

CAC103-231745-
933 AM PST Fri Nov 22 2024

Sacramento River At
 Tehama Bridge 11/22 9:00 stage 211.7 ft
Forecast to fluctuate near 211.5 FT into late this morning then
forecast to rise to near 212.0 FT late this afternoon then forecast
to fall below monitor stage of 206.5 FT late tomorrow morning then
forecast to recede to near 201.0 FT late Sunday morning.
 Monitor stage 206.5 ft, Flood stage 209.5
Impact for Tehama Bridge...Near 206.7 feet, Water into rv park on
east side of river. Tires of trailers get wet.
Near 209.7 feet, Flood stage - Road inside trailer park and turn
around site under RR tracks (Tehama/Vina road) become impassible.
Water is into area around structures on east side of river. No
structural damage. Sheriff`s office issues advisory. Makes sure
Pelhams Bay, Snug Harbor, River Inn (small trailer parks all in a
row on east side of river north of bridge) know of advisory.")
Near 210.7 feet, Between 210 and 211 feet the county park becomes
inaccessible. At 211 feet water begins to enter Driftwood RV fishing
resort on east bank of river and just north of the county park.


$$

CAC103-231745-
933 AM PST Fri Nov 22 2024

Sacramento River At
 Vina Woodson Bridge 11/22 8:45 stage 179.6 ft
Forecast to rise to near 183.0 FT late this evening then forecast to
fall below monitor stage of 180.0 FT tomorrow morning then forecast
to recede to near 171.0 FT late Sunday morning.
 Monitor stage 180.0 ft, Flood stage 183.0


$$

CAC021-007-231745-
933 AM PST Fri Nov 22 2024

Sacramento River At
 Hamilton City 11/22 8:45 stage 140.9 ft
Forecast to rise above monitor stage of 142.0 FT this afternoon then
forecast to rise to near 144.5 FT late tonight then forecast to fall
below monitor stage of 142.0 FT early tomorrow afternoon then
forecast to recede to near 134.0 FT late Sunday morning.
 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 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.


$$

CAC021-007-231745-
933 AM PST Fri Nov 22 2024

Sacramento River At
 Ord Ferry 11/22 8:45 stage 107.2 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 105.0 FT late Sunday morning.
 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.


$$

CAC011-101-231745-
933 AM PST Fri Nov 22 2024

Sacramento River At
 Moulton Weir 11/22 8:45 stage 75.0 ft
Forecast to begin overflow early tomorrow afternoon then overflow
depth at weir increasing to 0.8 FT late tomorrow evening then
overflow depth at weir decreasing to 0.1 FT 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.


$$

CAC011-101-231745-
933 AM PST Fri Nov 22 2024

Sacramento River At
 Colusa Weir 11/22 9:00 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 5.2 FT late Sunday morning.
 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.


$$

CAC011-101-231745-
933 AM PST Fri Nov 22 2024

Sacramento River At
 Colusa Bridge 11/22 8:45 stage 52.5 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 late Sunday morning.
 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.


$$

CAC011-101-231745-
933 AM PST Fri Nov 22 2024

Sacramento River At
 Tisdale Weir 11/22 9:15 stage 42.6 ft
Forecast to begin overflow this evening then overflow depth at weir
increasing to 2.6 FT tomorrow morning then overflow depth at weir
increasing to 2.8 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.


$$