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Coastal Flood Advisory


COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE PORTLAND OR
905 PM PST SUN DEC 21 2014

ORZ001-002-WAZ021-221800-
/O.CON.KPQR.CF.Y.0004.141222T1800Z-141223T0000Z/
NORTH OREGON COAST-CENTRAL OREGON COAST-SOUTH WASHINGTON COAST-
905 PM PST SUN DEC 21 2014

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 10 AM TO 4 PM
PST MONDAY FOR THE NORTH OREGON AND CENTRAL OREGON COAST...AND THE
SOUTH WASHINGTON COAST...

A COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 10 AM TO 4 PM PST
MONDAY.

* TIDES: THE OBSERVED HIGH TIDE LATE SUNDAY MORNING WAS OBSERVED
  AROUND 11 FT AT TOKE POINT AND SOUTH BEACH...AND 11.5 FT AT
  ASTORIA WITH TIDAL ANOMALIES OF AROUND 1.5 FT. THE HIGH TIDE
  MONDAY AFTERNOON AROUND 1 PM IS EXPECTED TO BE OF A SIMILAR
  MAGNITUDE.

* RIVER FLOWS: FLOW ON THE COASTAL RIVERS REMAINS HIGH AS A RESULT
  OF RECENT ABUNDANT RAINFALL. WHILE FLOWS WILL BE DECREASING IN
  THE NEXT 24 HOURS...THEY WILL REMAIN HIGH ENOUGH FOR THE MIDDAY
  HIGH TIDE TOMORROW TO CONTRIBUTE TO MINOR TIDAL OVERFLOW.

* TIMING: MINOR TIDAL OVERFLOW CAN AGAIN BE EXPECTED DURING THE
  HIGH TIDE AROUND 1 PM MONDAY WITH IMPACTS LIKELY OCCURRING
  BETWEEN 10 AM AND 4 PM.

* IMPACTS: AFFECTED LOCATIONS WILL INCLUDE LOW LYING AREAS NEAR
  BAYS AND SLOUGHS...HIGHWAY 101...AND THE LOWER REACHES OF
  COASTAL RIVERS. LOW LYING AREAS NEAR THE CITY OF ASTORIA...
  NEAR HIGHWAY 101 IN TILLAMOOK...AND HIGHWAY 126 EAST OF
  FLORENCE WERE IMPACTED TODAY AND MAY ALSO SEE MINOR TIDAL
  OVERFLOW ON MONDAY. THESE IMPACTS SHOULD EASE AS THE TIDE
  MOVES OUT AGAIN MONDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.

&&

$$


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