620
WGUS46 KPQR 182347
FLWPQR
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE PORTLAND OR
347 PM PST THU DEC 18 2025
...FORECAST FLOODING CHANGED FROM MODERATE TO MAJOR SEVERITY AND
INCREASED IN DURATION FOR THE FOLLOWING RIVERS IN OREGON...
JOHNSON CREEK AT SYCAMORE AFFECTING MULTNOMAH AND CLACKAMAS
COUNTIES.
CLACKAMAS RIVER NEAR OREGON CITY AFFECTING CLACKAMAS COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
MOTORISTS SHOULD NOT ATTEMPT TO DRIVE AROUND BARRICADES OR DRIVE
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 LATE TONIGHT AT 400 AM PST.
ORC005-051-191200-
/O.EXT.KPQR.FL.W.0027.000000T0000Z-251219T2039Z/
/SYCO3.3.ER.251218T2347Z.251219T0600Z.251219T1439Z.NR/
347 PM PST THU DEC 18 2025
..FLOOD WARNING NOW IN EFFECT UNTIL EARLY TOMORROW AFTERNOON
* WHAT...MAJOR FLOODING IS FORECAST.
* WHERE...JOHNSON CREEK AT SYCAMORE.
* WHEN...UNTIL EARLY TOMORROW AFTERNOON.
* IMPACTS...ABOVE 14.0 FEET, EXPECT WIDESPREAD FLOODING OF
RESIDENTIAL AND COMMERCIAL AREAS ALONG JOHNSON CREEK.
* ADDITIONAL DETAILS...
- AT 3:30 PM PST THURSDAY THE STAGE WAS 8.9 FEET.
- BANKFULL STAGE IS 10.0 FEET.
- FORECAST...THE RIVER WILL RISE ABOVE FLOOD STAGE LATE THIS
AFTERNOON OR EARLY THIS EVENING AND CREST AROUND 14.3 FEET
LATE THIS EVENING. IT WILL THEN FALL BELOW FLOOD STAGE FRIDAY
MORNING.
- FLOOD STAGE IS 11.0 FEET.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
LAT...LON 4546 12262 4547 12262 4546 12259 4548 12256
4548 12251 4549 12248 4549 12245 4548 12245
4548 12248 4547 12251 4547 12256 4545 12259
ORC005-191200-
/O.EXT.KPQR.FL.W.0038.251219T0510Z-251220T1349Z/
/COCO3.3.ER.251219T0510Z.251219T1200Z.251220T0749Z.UU/
347 PM PST THU DEC 18 2025
...FLOOD WARNING NOW IN EFFECT FROM THIS EVENING TO EARLY SATURDAY
MORNING...
* WHAT...MAJOR FLOODING IS FORECAST.
* WHERE...CLACKAMAS RIVER NEAR OREGON CITY.
* WHEN...FROM THIS EVENING TO EARLY SATURDAY MORNING.
* IMPACTS...ABOVE 46.0 FEET, EXPECT MAJOR FLOODING OF SOME
RESIDENCES AND BUILDINGS ALONG THE LOWER CLACKAMAS RIVER,
INCLUDING THE MOBILE HOME PARK JUST DOWNSTREAM OF CARVER BRIDGE.
* ADDITIONAL DETAILS...
- AT 3:00 PM PST THURSDAY THE STAGE WAS 29.3 FEET.
- BANKFULL STAGE IS 38.0 FEET.
- FORECAST...THE RIVER WILL RISE ABOVE FLOOD STAGE LATE THIS
EVENING AND CREST AROUND 46.0 FEET LATE TONIGHT. IT WILL THEN
FALL BELOW FLOOD STAGE LATE FRIDAY.
- FLOOD STAGE IS 39.0 FEET.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
LAT...LON 4537 12260 4538 12260 4538 12259 4539 12258
4540 12256 4540 12253 4541 12252 4541 12251
4540 12250 4539 12251 4539 12256 4538 12257
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