184
WGUS46 KSEW 181304
FLWSEW
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SEATTLE WA
604 AM PDT WED MAR 18 2026
...THE NATIONAL WEATHER SERVICE IN SEATTLE WA HAS ISSUED A FLOOD
WARNING FOR THE FOLLOWING RIVERS IN WASHINGTON...
TOLT RIVER ABOVE CARNATION AFFECTING KING COUNTY.
.HEAVY RAIN OVER THE CENTRAL CASCADES COMBINED WITH HIGH SNOW LEVELS
WILL PUSH THE TOLT RIVE ABOVE CARNATION ABOVE FLOOD STAGE THIS
MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
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 AFTERNOON AT 215 PM PDT.
WAC033-182115-
/O.NEW.KSEW.FL.W.0017.260318T1423Z-260321T1647Z/
/TOLW1.1.ER.260318T1423Z.260319T0000Z.260321T0746Z.NO/
604 AM PDT WED MAR 18 2026
..FLOOD WARNING IN EFFECT UNTIL LATE SATURDAY MORNING
* WHAT...MINOR FLOODING IS FORECAST.
* WHERE...TOLT RIVER ABOVE CARNATION.
* WHEN...UNTIL LATE SATURDAY MORNING.
* IMPACTS...AT 5,000.0 CFS, THE TOLT RIVER WILL FLOOD TOLT RIVER RD
NE AND MANY DRIVEWAYS. SOME HOMES IN THE SAN SOUCI AREA COULD BE
INACCESSIBLE DUE TO DEEP AND QUICK FLOOD WATERS. THIS RIVER LEVEL
ON THE TOLT CORRESPONDS TO A PHASE 3 FLOOD IN THE KING COUNTY
FLOOD SYSTEM.
* ADDITIONAL DETAILS...
- AT 4:15 AM PDT WEDNESDAY THE FLOW WAS 3,940.0 CFS.
- FLOOD FLOW IS 5,000.0 CFS.
- FORECAST...THE RIVER WILL RISE ABOVE FLOOD STAGE THIS MORNING
TO NEAR 6400 CFS LATE THIS AFTERNOON. IT WILL THEN FALL BELOW
FLOOD STAGE JUST AFTER MIDNIGHT TONIGHT. IT WILL RISE ABOVE
FLOOD STAGE AGAIN EARLY FRIDAY AFTERNOON TO NEAR 5700 CFS
FRIDAY AFTERNOON. IT WILL THEN FALL BELOW FLOOD STAGE AGAIN
EARLY SATURDAY MORNING.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
LAT...LON 4768 12176 4761 12185 4761 12194 4767 12196
4771 12189 4774 12184
44
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