588
WGUS86 KSEW 150918
FLSSEW
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SEATTLE WA
118 AM PST MON DEC 15 2025
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN
WASHINGTON...
CEDAR RIVER AT RENTON AFFECTING KING COUNTY.
CEDAR RIVER NEAR LANDSBURG AFFECTING KING COUNTY.
GREEN RIVER NEAR AUBURN AFFECTING KING COUNTY.
WHITE RIVER NEAR MUD MTN. DAM OUTFLOW AFFECTING KING AND PIERCE
COUNTIES.
WHITE RIVER AT R STREET BRIDGE AFFECTING KING AND PIERCE COUNTIES.
.DAM OPERATIONS TO REDUCE THE FLOOD POOL FOR AREA DAMS WILL
INCREASE THE FLOW LEVELS OR MAINTAIN ELEVATED FLOW LEVELS BELOW THE
DAMS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
EVEN 6 INCHES OF FAST-MOVING FLOOD WATER CAN KNOCK YOU OFF YOUR FEET
AND A DEPTH OF 2 FEET WILL FLOAT YOUR CAR. NEVER TRY TO WALK, SWIM,
OR DRIVE THROUGH SUCH SWIFT WATER. IF YOU COME UPON FLOOD WATERS,
STOP, TURN AROUND AND GO ANOTHER WAY.
MOTORISTS SHOULD NOT ATTEMPT TO DRIVE AROUND BARRICADES OR DRIVE
CARS THROUGH FLOODED AREAS.
ADDITIONAL INFORMATION IS AVAILABLE AT WWW.WEATHER.GOV.
THE NEXT STATEMENT WILL BE ISSUED BY THIS MORNING AT 930 AM PST.
WAC033-053-151730-
/O.CON.KSEW.FL.W.0059.000000T0000Z-000000T0000Z/
/MMRW1.1.ER.251212T1550Z.251214T2300Z.000000T0000Z.UU/
118 AM PST MON DEC 15 2025
..FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE
* WHAT...MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* WHERE...WHITE RIVER NEAR MUD MTN. DAM OUTFLOW.
* WHEN...UNTIL FURTHER NOTICE.
* IMPACTS...AT 10,000 CFS, THE WHITE RIVER WILL FLOOD AREAS ABOVE
AND BELOW MUD MOUNTAIN DAM DOWNSTREAM TO NEAR AUBURN. DEEP AND
SWIFT FLOOD WATERS WILL INUNDATE ROADS AND SURROUND AND CUT OFF
ACCESS TO SOME HOMES IN THE RED CREEK AREA. FLOOD DAMAGES OCCUR AT
THE FISH HATCHERY NEAR THE CITY OF ENUMCLAW. 10000 CFS ON THE
WHITE RIVER CORRESPONDS TO A PHASE 4 FLOOD IN THE KING COUNTY
FLOOD SYSTEM.
* ADDITIONAL DETAILS...
- AT 11:59 PM PST SUNDAY THE FLOW WAS 10,230 CFS.
- FLOOD FLOW IS 9,000 CFS.
- RECENT ACTIVITY...THE MAXIMUM RIVER FLOW IN THE 24 HOURS
ENDING AT 11:59 PM PST SUNDAY WAS 10,330 CFS.
- FORECAST...THE RIVER IS EXPECTED TO REMAIN NEAR 10,000 CFS
UNTIL LATE WEDNESDAY EVENING.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
LAT...LON 4709 12192 4722 12217 4716 12220 4720 12234
4733 12224 4721 12191
WAC033-151730-
/O.CON.KSEW.FL.W.0053.000000T0000Z-000000T0000Z/
/RNTW1.3.ER.251217T2001Z.000000T0000Z.000000T0000Z.NO/
118 AM PST MON DEC 15 2025
..FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE
* WHAT...MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* WHERE...CEDAR RIVER AT RENTON.
* WHEN...UNTIL FURTHER NOTICE.
* IMPACTS...AT 13.0 FEET, THE CEDAR RIVER WILL CAUSE MINOR FLOODING
ALONG THE RIVER IN RENTON.
* ADDITIONAL DETAILS...
- AT 12:15 AM PST MONDAY THE STAGE WAS 13.8 FEET.
- FLOOD STAGE IS 13.0 FEET.
- RECENT ACTIVITY...THE MAXIMUM RIVER STAGE IN THE 24 HOURS
ENDING AT 12:15 AM PST MONDAY WAS 14.5 FEET.
- FORECAST...THE RIVER IS EXPECTED TO SLOWLY RECEDE FALLING
BELOW FLOOD STAGE TUESDAY MORNING. THE RIVER WILL SLOWLY RISE
TUESDAY AFTERNOON REMAIN NEAR FLOOD STAGE TUESDAY NIGHT INTO
WEDNESDAY.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
LAT...LON 4736 12209 4743 12222 4750 12229 4756 12214
4751 12210 4745 12196
WAC033-151730-
/O.CON.KSEW.FL.W.0049.000000T0000Z-251216T0041Z/
/LNDW1.3.ER.251210T1525Z.251212T0000Z.251215T1541Z.NO/
118 AM PST MON DEC 15 2025
..FLOOD WARNING REMAINS IN EFFECT UNTIL LATE THIS AFTERNOON
* WHAT...MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* WHERE...CEDAR RIVER NEAR LANDSBURG.
* WHEN...UNTIL LATE THIS AFTERNOON.
* IMPACTS...AT 5.7 FEET, THE CEDAR RIVER WILL CAUSE FLOODING FROM
LANDSBURG DOWNSTREAM THROUGH MAPLEWOOD. SWIFT WATERS WILL FLOOD
ROADS AND SOME RESIDENTIAL AREAS, ESPECIALLY IN MAPLE VALLEY.
FLOODING THREATENS BEYERS ROAD. A STAGE OF 5.7 FEET ON THE CEDAR
RIVER CORRESPONDS ROUGHLY TO A PHASE 4 FLOOD IN THE KING COUNTY
FLOOD SYSTEM.
* ADDITIONAL DETAILS...
- AT 12:45 AM PST MONDAY THE STAGE WAS 5.8 FEET.
- FLOOD STAGE IS 5.7 FEET.
- RECENT ACTIVITY...THE MAXIMUM RIVER STAGE IN THE 24 HOURS
ENDING AT 12:45 AM PST MONDAY WAS 6.3 FEET.
- FORECAST...THE RIVER IS EXPECTED TO REMAIN NEAR FLOOD STAGE
THIS MORNING FALLING BELOW FLOOD STAGE THIS AFTERNOON.
- FLOOD HISTORY...THIS CREST COMPARES TO A PREVIOUS CREST OF
5.5 FEET ON 01/08/1933.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
LAT...LON 4735 12179 4733 12202 4738 12213 4747 12202
4744 12195 4745 12182
WAC033-053-151730-
/O.CON.KSEW.FL.W.0044.000000T0000Z-000000T0000Z/
/WRAW1.2.ER.251209T1916Z.251215T0700Z.000000T0000Z.UU/
118 AM PST MON DEC 15 2025
..FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE
* WHAT...MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS
FORECAST.
* WHERE...WHITE RIVER AT R STREET BRIDGE.
* WHEN...UNTIL FURTHER NOTICE.
* IMPACTS...AT 10,000 CFS, RIVER FLOODING MAY OCCUR UPSTREAM OF THE
A STREET BRIDGE IN THE CITY OF AUBURN. RIVER LEVELS WILL LIKELY BE
UP AGAINST THE TEMPORARY FLOOD PROTECTION BARRIERS, WITH FLOODING
LIKELY AT GOVERNMENT CANAL AND BUTTE AVENUE IN THE CITY OF PACIFIC
AND DOWNSTREAM OF THE STEWART STREET BRIDGE IN THE CITY OF SUMNER.
* ADDITIONAL DETAILS...
- AT 11:45 PM PST SUNDAY THE FLOW WAS 11,200 CFS.
- FLOOD FLOW IS 7,500 CFS.
- RECENT ACTIVITY...THE MAXIMUM RIVER FLOW IN THE 24 HOURS
ENDING AT 11:45 PM PST SUNDAY WAS 11,800 CFS.
- FORECAST...THE RIVER IS EXPECTED TO REMAIN BETWEEN 10,500 CFS
AND 11,000 CFS THROUGH WEDNESDAY.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
LAT...LON 4721 12214 4724 12219 4719 12223 4724 12230
4732 12226 4732 12214
WAC033-151730-
/O.CON.KSEW.FL.W.0039.000000T0000Z-000000T0000Z/
/AUBW1.2.ER.251209T1446Z.251213T1630Z.000000T0000Z.NO/
118 AM PST MON DEC 15 2025
..FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE
* WHAT...MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* WHERE...GREEN RIVER NEAR AUBURN.
* WHEN...UNTIL FURTHER NOTICE.
* IMPACTS...AT 10,000 CFS, THE GREEN RIVER WILL FLOOD LOW AREAS OF
THE MIDDLE GREEN RIVER VALLEY WITH WATER OVER SE GREEN VALLEY RD.
SOME FLOODING IS POSSIBLE AT A FEW LOW SPOTS ALONG THE BANKS OF
THE GREEN RIVER IN AUBURN, INCLUDING NEAR ISSAC EVANS PARK IN
LOWER MILL CREEK BASIN BETWEEN AUBURN AND KENT DUE TO BACKWATER. A
FLOW OF 9000 CFS FEET ON THE GREEN RIVER CORRESPONDS TO A PHASE 3
FLOOD IN THE KING COUNTY FLOOD SYSTEM.
* ADDITIONAL DETAILS...
- AT 11:45 PM PST SUNDAY THE FLOW WAS 10,100 CFS.
- FLOOD FLOW IS 9,000 CFS.
- RECENT ACTIVITY...THE MAXIMUM RIVER FLOW IN THE 24 HOURS
ENDING AT 11:45 PM PST SUNDAY WAS 11,300 CFS.
- FORECAST...THE RIVER WILL REMAIN NEAR 10,00 CFS THROUGH
TUESDAY WITH POSSIBLE RISES WEDNESDAY.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
LAT...LON 4724 12188 4723 12212 4723 12231 4753 12238
4753 12208 4753 12192
44
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