294
WGUS46 KSEW 182049
FLWSEW
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SEATTLE WA
1249 PM PST THU DEC 18 2025
...THE NATIONAL WEATHER SERVICE IN SEATTLE WA HAS ISSUED A FLOOD
WARNING FOR THE FOLLOWING RIVERS IN WASHINGTON...
WHITE RIVER NEAR MUD MTN. DAM OUTFLOW AFFECTING PIERCE AND KING
COUNTIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
CAUTION IS URGED WHEN WALKING NEAR RIVERBANKS.
MOTORISTS SHOULD NOT ATTEMPT TO DRIVE AROUND BARRICADES OR DRIVE
CARS THROUGH FLOODED AREAS.
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
ADDITIONAL INFORMATION IS AVAILABLE AT WWW.WEATHER.GOV.
THE NEXT STATEMENT WILL BE ISSUED BY THIS EVENING AT 900 PM PST.
WAC033-053-190500-
/O.NEW.KSEW.FL.W.0072.251218T2354Z-000000T0000Z/
/MMRW1.1.DR.251218T2354Z.251221T0000Z.000000T0000Z.UU/
1249 PM PST THU DEC 18 2025
...FLOOD WARNING FOR A DAM FLOODGATE RELEASE IN EFFECT FROM THIS
AFTERNOON UNTIL FURTHER NOTICE...
* WHAT...MINOR FLOODING IS FORECAST.
* WHERE...WHITE RIVER NEAR MUD MTN. DAM OUTFLOW.
* WHEN...FROM THIS AFTERNOON UNTIL FURTHER NOTICE.
* IMPACTS...AT 8,000.0 CFS, THE WHITE RIVER WILL SPILL OVER ITS
BANKS BELOW MUD MOUNTAIN DAM PRODUCING HIGH WATER THAT WILL
ENCROACH ON ROADS AND RESIDENCES, PARTICULARLY IN THE RED CREEK
AREA. 8000 CFS ON THE WHITE RIVER IS WITHIN PHASE 3 FLOOD IN THE
KING COUNTY FLOOD SYSTEM.
* ADDITIONAL DETAILS...
- AT 12:00 PM PST THURSDAY THE FLOW WAS 8,570.0 CFS.
- FLOOD FLOW IS 9,000.0 CFS.
- FORECAST...THE RIVER IS EXPECTED TO START RISING NOW AND RISE
ABOVE FLOOD STAGE LATE THIS AFTERNOON TO 9,000 CFS.
ADDITIONAL RISES ARE POSSIBLE THEREAFTER.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
LAT...LON 4709 12192 4722 12217 4716 12220 4720 12234
4733 12224 4721 12191
JBB
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