843  
FGUS86 KSTO 211558  
RVSUSA  
HYDROLOGIC STATEMENT  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
758 AM PST THU NOV 21 2024  
 
...HEAVY RAINFALL TO RESULT IN RISES ALONG THE UPPER SACRAMENTO  
RIVER...  
 
.A STRONG ATMOSPHERIC RIVER WILL BRING HEAVY RAINFALL TO THE REGION  
INTO THE WEEKEND. AS A RESULT, RISES ARE FORECAST ALONG THE MAINSTEM  
UPPER SACRAMENTO RIVER OVER THE COMING DAYS. THIS WILL RESULT IN  
FORECAST POINTS REACHING ACTION / MONITOR STAGE, INCLUDING WEIR  
FLOWS AT MULTIPLE LOCATIONS.  
 
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  
 
CAC103-221600-  
758 AM PST THU NOV 21 2024  
 
SACRAMENTO RIVER ABOVE  
BEND BRIDGE 11/21 6:45 STAGE 5.8 FT  
FORECAST TO RISE TO NEAR 17.0 FT EARLY TOMORROW AFTERNOON THEN  
FORECAST TO FLUCTUATE NEAR 17.0 FT INTO TOMORROW AFTERNOON THEN  
FORECAST TO RECEDE TO NEAR 13.0 FT SATURDAY MORNING.  
MONITOR STAGE 22.0 FT, FLOOD STAGE 27.0  
 
 
 
CAC103-221600-  
758 AM PST THU NOV 21 2024  
 
SACRAMENTO RIVER AT  
TEHAMA BRIDGE 11/21 7:00 STAGE 199.5 FT  
FORECAST TO RISE ABOVE MONITOR STAGE OF 206.5 FT JUST AFTER MIDNIGHT  
TONIGHT THEN FORECAST TO RISE TO NEAR 209.5 FT TOMORROW AFTERNOON  
THEN FORECAST TO FALL BELOW MONITOR STAGE OF 206.5 FT SATURDAY  
MORNING THEN FORECAST TO RECEDE TO NEAR 206.5 FT SATURDAY 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.  
 
 
 
CAC103-221600-  
758 AM PST THU NOV 21 2024  
 
SACRAMENTO RIVER AT  
VINA WOODSON BRIDGE 11/21 7:45 STAGE 167.6 FT  
FORECAST TO RISE ABOVE MONITOR STAGE OF 180.0 FT LATE TOMORROW  
MORNING THEN FORECAST TO RISE TO NEAR 181.5 FT TOMORROW EVENING THEN  
FORECAST TO FALL BELOW MONITOR STAGE OF 180.0 FT EARLY SATURDAY  
MORNING THEN FORECAST TO RECEDE TO NEAR 179.0 FT SATURDAY MORNING.  
MONITOR STAGE 180.0 FT, FLOOD STAGE 183.0  
 
 
 
CAC007-021-221600-  
758 AM PST THU NOV 21 2024  
 
SACRAMENTO RIVER AT  
HAMILTON CITY 11/21 7:45 STAGE 129.3 FT  
FORECAST TO FLUCTUATE NEAR 129.5 FT INTO LATE THIS MORNING THEN  
FORECAST TO RISE ABOVE MONITOR STAGE OF 142.0 FT EARLY TOMORROW  
AFTERNOON THEN FORECAST TO RISE TO NEAR 143.5 FT LATE TOMORROW  
EVENING THEN FORECAST TO RECEDE TO NEAR 143.0 FT SATURDAY MORNING.  
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.  
 
 
 
CAC007-021-221600-  
758 AM PST THU NOV 21 2024  
 
SACRAMENTO RIVER AT  
ORD FERRY 11/21 7:45 STAGE 96.8 FT  
FORECAST TO FLUCTUATE NEAR 97.0 FT INTO LATE THIS MORNING THEN  
FORECAST TO RISE TO NEAR 97.5 FT THIS AFTERNOON THEN FORECAST TO  
RISE ABOVE MONITOR STAGE OF 110.0 FT TOMORROW AFTERNOON THEN  
FORECAST TO RISE TO NEAR 112.5 FT SATURDAY 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.  
 
 
 
CAC011-101-221600-  
758 AM PST THU NOV 21 2024  
 
SACRAMENTO RIVER AT  
COLUSA WEIR 11/21 7:00 STAGE 59.5 FT  
FORECAST TO BEGIN OVERFLOW TOMORROW AFTERNOON THEN OVERFLOW TO  
REMAIN NEAR DEPTH OF -0.1 FT INTO TOMORROW AFTERNOON THEN OVERFLOW  
DEPTH AT WEIR INCREASING TO 4.4 FT SATURDAY 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.  
 
 
 
CAC011-101-221600-  
758 AM PST THU NOV 21 2024  
 
SACRAMENTO RIVER AT  
COLUSA BRIDGE 11/21 7:45 STAGE 41.1 FT  
FORECAST TO RISE TO NEAR 42.0 FT LATE THIS AFTERNOON THEN FORECAST  
TO RISE ABOVE MONITOR STAGE OF 63.0 FT LATE TOMORROW EVENING THEN  
FORECAST TO RISE TO NEAR 65.0 FT SATURDAY MORNING WITH CONTINUED  
RISE EXPECTED.  
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.  
 
 
 
CAC011-101-221600-  
758 AM PST THU NOV 21 2024  
 
SACRAMENTO RIVER AT  
TISDALE WEIR 11/21 7:15 STAGE 42.6 FT  
FORECAST TO BEGIN OVERFLOW TOMORROW EVENING THEN OVERFLOW DEPTH AT  
WEIR INCREASING TO 2.4 FT SATURDAY MORNING THEN OVERFLOW DEPTH AT  
WEIR INCREASING TO 2.6 FT LATE SATURDAY 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.  
 
 
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