731
FGUS86 KSTO 060024
RVSUSA
Hydrologic Statement
National Weather Service Sacramento CA
424 PM PST Wed Feb 5 2025

...High Waters Continue Along the Upper Sacramento River...

.Runoff from the early week rainfall continues to make its way
downstream the Sacramento River system. As a result, multiple
forecast points remain above action/monitor stage, and even flood
stage. The following weirs along the Upper Sacramento River are
spilling-over: Moulton Weir, Colusa Weir, and Tisdale Weir.

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

CAC103-070030-
424 PM PST Wed Feb 5 2025

Sacramento River Above
 Bend Bridge 2/05 3:45 stage 16.3 ft
Forecast to recede to near 13.0 FT late tonight then forecast to
rise above monitor stage of 22.0 FT early Friday morning then
forecast to rise to near 22.5 FT late Friday morning then forecast
to fall below monitor stage of 22.0 FT Friday afternoon then
forecast to recede to near 22.0 FT Friday afternoon.
 Monitor stage 22.0 ft, Flood stage 27.0


$$

CAC103-070030-
424 PM PST Wed Feb 5 2025

Sacramento River At
 Red Bluff Diversion Dam 2/05 2:30 stage 251.9 ft
Forecast to recede to near 246.5 FT late tonight then forecast to
rise above monitor stage of 252.5 FT early Friday morning then
forecast to rise to near 253.5 FT Friday afternoon.
 Monitor stage 252.5 ft, Flood stage 255.5
Impact for Red Bluff Diversion Dam...Near 248.6 feet, The river
starts to flow eastward into sand slough on the left bank upstream
of the gage.


$$

CAC103-070030-
424 PM PST Wed Feb 5 2025

Sacramento River At
 Tehama Bridge 2/05 4:00 stage 214.8 ft
Forecast to fall below monitor stage of 206.5 FT late tonight then
forecast to recede to near 205.0 FT late tomorrow morning then
forecast to rise above monitor stage of 206.5 FT tomorrow evening
then forecast to rise to near 211.5 FT Friday afternoon with
continued rise expected.
 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.


$$

CAC103-070030-
424 PM PST Wed Feb 5 2025

Sacramento River At
 Vina Woodson Bridge 2/05 3:45 stage 185.9 ft
Forecast to fall below monitor stage of 180.0 FT late tonight then
forecast to recede to near 175.5 FT tomorrow evening then forecast
to rise above monitor stage of 180.0 FT Friday morning then forecast
to rise to near 181.5 FT Friday afternoon with continued rise
expected.
 Monitor stage 180.0 ft, Flood stage 183.0
Impact for Vina Woodson Bridge...Near 184.9 feet, South Avenue
starts to flood east of the river.
Near 183.9 feet, Woodson Bridge Park is closed due to flooding.
Water is up to the top steps of the recreation center at Woodson
Bridge RV Park and spaces 15-33 begin to take on water on the east
bank of the river.
Near 185.9 feet, South Avenue is flooded and closed. The Woodson
Bridge RV Park office and spaces 1-14, 34-52, and 62-72 start to
flood.


$$

CAC007-021-070030-
424 PM PST Wed Feb 5 2025

Sacramento River At
 Ord Ferry 2/05 3:45 stage 115.0 ft
Forecast to fluctuate near 116.0 FT into this evening then forecast
to rise to near 116.5 FT late this evening then forecast to recede
to near 113.5 FT early Friday afternoon.
 Monitor stage 110.0 ft, Flood stage 114.0
Impact for Ord Ferry...Near 113.8 feet, Design overflow level for
M&T, 3Bs and Goose Lake flood control facilities to divert flood
flows into Butte Basin. M&T overflows close River Road from Ord
Ferry Road to Chico Road. Ord Ferry Road is already closed.
Near 114.0 feet, Designated flood stage left bank.
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.


$$

CAC007-021-070030-
424 PM PST Wed Feb 5 2025

Sacramento River At
 Butte City 2/05 3:00 stage 90.2 ft
Forecast to fluctuate near 90.5 FT into this evening then forecast
to rise to near 92.0 FT late tomorrow morning then forecast to
recede to near 90.5 FT Friday afternoon.
 Monitor stage 88.5 ft, Flood stage 97.0
Impact for Butte City...Near 89.9 feet, Overbank flow of the east
bank begins upstream of the gage. Water flows into Butte Basin.


$$

CAC011-101-070030-
424 PM PST Wed Feb 5 2025

Sacramento River At
 Moulton Weir 2/05 3:45 stage 77.9 ft
Present overflow depth is about 1.9 FT then overflow depth at weir
increasing to 2.2 FT late this evening then overflow depth at weir
increasing to 2.5 FT just after midnight tonight then overflow depth
at weir increasing to 2.7 FT late tonight then overflow depth at
weir increasing to 3.0 FT late tomorrow morning then overflow depth
at weir decreasing to 2.7 FT Friday afternoon.
 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.


$$

CAC011-101-070030-
424 PM PST Wed Feb 5 2025

Sacramento River At
 Colusa Weir 2/05 4:00 stage 67.1 ft
Present overflow depth is about 6.2 FT then overflow to remain near
depth of 6.6 FT into Friday 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.


$$

CAC011-101-070030-
424 PM PST Wed Feb 5 2025

Sacramento River At
 Colusa Bridge 2/05 3:45 stage 67.2 ft
Forecast to fluctuate near 67.0 FT into late this evening then
forecast to rise to near 68.0 FT early Friday morning then forecast
to recede to near 67.5 FT Friday afternoon.
 Monitor stage 63.0 ft, Flood stage 70.0
Impact for Colusa Bridge...Near 67.2 feet, Water moves into the
parking lot and outdoor patio of Colusa Landing RV Park along east
bank of river.
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.


$$

CAC011-101-070030-
424 PM PST Wed Feb 5 2025

Sacramento River At
 Tisdale Weir 2/05 4:15 stage 47.5 ft
Present overflow depth is about 3.4 FT then overflow to remain near
depth of 4.1 FT into Friday 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.


$$