Headline:
Special Marine Warning issued November 20 at 4:47PM PST until November 20 at 5:45PM PST by NWS Portland OR
Event:
Special Marine Warning
Urgency:
Immediate
Effective:
November 20, 2024 - 4:47pm
Expires:
November 20, 2024 - 5:45pm
Description:
SMWPQR
The National Weather Service in Portland has issued a
* Special Marine Warning for...
Coastal waters from Cape Shoalwater WA to Cape Falcon OR out 10
nm...
Waters from Cape Shoalwater WA to Cape Falcon OR from 10 to 60
nm...
* Until 545 PM PST.
* At 447 PM PST, a severe thunderstorm capable of producing
waterspouts was located west of Cape Disappointment, or 9 nm
northeast of Columbia River Buoy 29, moving north at 25 knots.
HAZARD...Waterspouts, wind gusts 34 knots or greater, and small
hail.
SOURCE...Radar indicated.
IMPACT...Waterspouts can easily overturn boats and create locally
hazardous seas. Small craft could be damaged in briefly
higher winds and suddenly higher waves.
* The severe thunderstorm will remain over mainly open waters.
Instruction:
Move to safe harbor immediately as gusty winds and high waves are
expected.
Thunderstorms can produce sudden waterspouts. Waterspouts can easily
overturn boats and create locally hazardous seas. Seek safe harbor
immediately.
Frequent lightning is occurring with this storm. If caught on the
open water stay below deck if possible, keep away from ungrounded
metal objects.
Area Description:
Coastal waters from Cape Shoalwater WA to Cape Falcon OR out 10 nm; Waters from Cape Shoalwater WA to Cape Falcon OR from 10 to 60 nm
Forcast Office:
NWS Portland OR