Alert archive / Washington / High Surf Advisories in 2012

High Surf Advisory 2, NWS Seattle, WA

January 20, 2012

NWS Seattle, WA issued this high surf advisory at Jan 20, 2012, 3:05 PM PST. It took effect at Jan 21, 2012, 10:00 AM PST. It was in force for 46 hr.

The area

The counties it named.

The facts

Issued
Jan 20, 2012, 3:05 PM PST (23:05 UTC)
In effect from
Jan 21, 2012, 10:00 AM PST
Expired
Jan 23, 2012, 7:45 AM PST
In force
46 hr
Issued by
NWS Seattle, WA

The text

As transmitted, in the capitals the NWS used until 2016.

638 
WHUS46 KSEW 202305
CFWSEW

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
305 PM PST FRI JAN 20 2012

...LARGE WEST SWELLS WILL REACH THE COAST ON SATURDAY...

.A SWELL TRAIN WILL REACH THE NORTH AND CENTRAL WASHINGTON COAST
ON SATURDAY WITH SWELLS 15 TO 20 FEET EXPECTED. SEAS WILL REMAIN
IN THIS RANGE THROUGH SUN AFTERNOON. 

WAZ516-517-211200-
/O.NEW.KSEW.SU.Y.0002.120121T1800Z-120123T0000Z/
NORTH COAST-CENTRAL COAST-
305 PM PST FRI JAN 20 2012

...HIGH SURF ADVISORY IN EFFECT FROM 10 AM SATURDAY TO 4 PM PST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HIGH SURF
ADVISORY...WHICH IS IN EFFECT FROM 10 AM SATURDAY TO 4 PM PST
SUNDAY. 

* SWELLS...WEST SWELLS 15 TO 20 FEET.

* TIMING...LARGE WEST SWELLS WILL REACH THE NORTH AND CENTRAL
  COAST SATURDAY MORNING. 

* IMPACTS...EXPECT DANGEROUS SURF ON SAT AND SUN...ESPECIALLY AT
  HIGH TIDE. DRIFTWOOD AND LOGS WILL BE TOSSED ABOUT IN THE
  SURF...AND WAVES MAY SWEEP UNEXPECTEDLY HIGH UP BEACHES AND
  ACROSS BREAKWATERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

33

WWW.WEATHER.GOV/SEATTLE
10 follow-up statements
389 
WHUS46 KSEW 210513
CFWSEW

URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
913 PM PST FRI JAN 20 2012


WAZ516-211315-
/O.NEW.KSEW.CF.A.0002.120121T1600Z-120123T0200Z/
/O.CON.KSEW.SU.Y.0002.120121T1800Z-120123T0000Z/
NORTH COAST-
913 PM PST FRI JAN 20 2012

...COASTAL FLOOD WATCH IN EFFECT FOR LA PUSH AND THE QUILEUTE TRIBE
LOWER VILLAGE FROM 8 AM PST SATURDAY THROUGH SUNDAY AFTERNOON...
...HIGH SURF ADVISORY REMAINS IN EFFECT FOR THE ENTIRE NORTH
COAST FROM 10 AM SATURDAY TO 4 PM PST SUNDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A COASTAL
FLOOD WATCH...WHICH IS IN EFFECT FROM 8 AM PST SATURDAY THROUGH
SUNDAY AFTERNOON. 

* SWELLS...WESTERLY 10 TO 12 FEET...BUILDING TO 18 TO 20 FEET ON
  SATURDAY.

* TIME OF HIGH TIDE...1020 AM PST ON SATURDAY AT LA PUSH.

* PREDICTED TIDE...9.4 FEET AT LA PUSH.

* EXPECTED TIDAL ANOMALY...ABOUT 2 FEET ABOVE THE TIDE PREDICTION AT
  LA PUSH.

* EXPECTED TOTAL TIDE...11.4 FEET AT LA PUSH SATURDAY MORNING.

* TIMING...LARGE WESTERLY SWELLS WILL REACH THE COAST BY NOON
  SATURDAY...AND PERSIST THROUGH SATURDAY NIGHT. THE LARGEST
  SWELLS WILL IMPACT THE AREA ON SUNDAY AND ARE EXPECTED TO REACH
  23 FEET.

* HIGH SURF IMPACTS...RIP CURRENTS AND LOCALIZED BEACH EROSION
  CAN BE EXPECTED FROM THE LARGE WAVES. IT IS EXTREMELY DANGEROUS
  TO FISH OR OBSERVE WAVES FROM ROCKS DURING HIGH SURF CONDITIONS.
  UNWARY BEACH WALKERS CAN BE CAUGHT OFF GUARD AS WAVES SUDDENLY
  RACE FARTHER UP THE BEACH THAN NORMAL.

* COASTAL FLOOD IMPACTS...THE COMBINATION OF HIGH TIDE AND SWELLS
  COULD CAUSE SEVERE EROSION AND A POSSIBLE BREACH IN THE SOUTH
  JETTY AT THE MOUTH OF THE QUILLAYUTE RIVER...RESULTING IN THE
  POTENTIAL FOR FLOODING IN THE TOWN OF LA PUSH AND IN THE
  QUILEUTE TRIBE LOWER VILLAGE...ESPECIALLY AROUND THE TIME OF
  HIGH TIDE.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

A COASTAL FLOOD WATCH MEANS FLOODING OR BEACH EROSION WILL OCCUR
IF WEATHER CONDITIONS DEVELOP AS PREDICTED. RESIDENTS AND LOCAL
OFFICIALS SHOULD MONITOR THE SITUATION CLOSELY AND BE PREPARED TO
TAKE APPROPRIATE ACTION IF A WARNING IS ISSUED.

&&

$$

WAZ517-211315-
/O.CON.KSEW.SU.Y.0002.120121T1800Z-120123T0000Z/
CENTRAL COAST-
913 PM PST FRI JAN 20 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT FOR THE CENTRAL COAST FROM
10 AM SATURDAY TO 4 PM PST SUNDAY...

* SWELLS...WESTERLY 10 TO 12 FEET...BUILDING TO 19 OR 20 FEET ON
  SATURDAY. 

* TIMING...LARGE WESTERLY SWELLS WILL REACH THE CENTRAL COAST BY
  NOON SATURDAY...AND PERSIST THROUGH SATURDAY NIGHT. THE LARGEST
  SWELLS WILL IMPACT THE AREA ON SUNDAY AND ARE EXPECTED TO REACH
  22 FEET.

* IMPACTS...RIP CURRENTS AND LOCALIZED BEACH EROSION  CAN BE
  EXPECTED FROM THE LARGE WAVES. IT IS EXTREMELY DANGEROUS TO FISH
  OR OBSERVE WAVES FROM ROCKS DURING HIGH SURF CONDITIONS. UNWARY
  BEACH WALKERS CAN BE CAUGHT OFF GUARD AS WAVES SUDDENLY RACE
  FARTHER UP THE BEACH THAN NORMAL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

WWW.WEATHER.GOV/SEATTLE
886 
WHUS46 KSEW 211256
CFWSEW

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
456 AM PST SAT JAN 21 2012

WAZ516-212100-
/O.CON.KSEW.SU.Y.0002.120121T1800Z-120123T0000Z/
/O.CON.KSEW.CF.A.0002.120121T1600Z-120123T0200Z/
NORTH COAST-
456 AM PST SAT JAN 21 2012

...COASTAL FLOOD WATCH REMAINS IN EFFECT FOR LA PUSH AND THE
QUILEUTE TRIBE LOWER VILLAGE FROM 8 AM PST THIS MORNING THROUGH
SUNDAY AFTERNOON...
...HIGH SURF ADVISORY REMAINS IN EFFECT FOR THE ENTIRE NORTH
COAST FROM 10 AM THIS MORNING TO 4 PM PST SUNDAY...

* SWELLS...WESTERLY 15 FEET...BUILDING TO 21 FEET TONIGHT.

* TIME OF HIGH TIDE...1020 AM PST TODAY AT LA PUSH.

* PREDICTED TIDE...9.4 FEET AT LA PUSH.

* EXPECTED TIDAL ANOMALY...ABOUT 2 FEET ABOVE THE TIDE PREDICTION
  AT LA PUSH.

* EXPECTED TOTAL TIDE...11.4 FEET AT LA PUSH THIS MORNING.

* TIMING...LARGE WESTERLY SWELLS WILL REACH THE COAST THIS
  EVENING...WHICH WAS LATER THAN PREVIOUSLY THOUGHT. THE LARGEST
  SWELLS ARE NOW EXPECTED TO IMPACT THE AREA LATE TONIGHT THROUGH
  EARLY SUNDAY AND WILL PEAK ABOUT 21 FEET.

* HIGH SURF IMPACTS...RIP CURRENTS AND LOCALIZED BEACH EROSION 
  CAN BE EXPECTED FROM THE LARGE WAVES. IT IS EXTREMELY 
  DANGEROUS TO FISH OR OBSERVE WAVES FROM ROCKS DURING HIGH SURF 
  CONDITIONS. UNWARY BEACH WALKERS CAN BE CAUGHT OFF GUARD AS 
  WAVES SUDDENLY RACE FARTHER UP THE BEACH THAN NORMAL. 

* COASTAL FLOOD IMPACTS...THE COMBINATION OF HIGH TIDE AND 
  SWELLS COULD CAUSE SEVERE EROSION AND A POSSIBLE BREACH IN THE 
  SOUTH JETTY AT THE MOUTH OF THE QUILLAYUTE RIVER...RESULTING 
  IN THE POTENTIAL FOR FLOODING IN THE TOWN OF LA PUSH AND IN 
  THE QUILEUTE TRIBE LOWER VILLAGE...ESPECIALLY AROUND THE TIME 
  OF HIGH TIDE ON SUNDAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

A COASTAL FLOOD WATCH MEANS FLOODING OR BEACH EROSION WILL OCCUR
IF WEATHER CONDITIONS DEVELOP AS PREDICTED. RESIDENTS AND LOCAL
OFFICIALS SHOULD MONITOR THE SITUATION CLOSELY AND BE PREPARED TO
TAKE APPROPRIATE ACTION IF A WARNING IS ISSUED.

&&

$$

WAZ517-212100-
/O.CON.KSEW.SU.Y.0002.120121T1800Z-120123T0000Z/
CENTRAL COAST-
456 AM PST SAT JAN 21 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT FOR THE CENTRAL COAST FROM
10 AM THIS MORNING TO 4 PM PST SUNDAY...

* SWELLS...WESTERLY 14 FEET...BUILDING TO 20 FEET TONIGHT.

* TIMING...LARGE WESTERLY SWELLS WILL REACH THE COAST THIS
  EVENING...WHICH WAS LATER THAN PREVIOUSLY THOUGHT. THE LARGEST
  SWELLS ARE NOW EXPECTED TO IMPACT THE COAST LATE TONIGHT THROUGH
  EARLY SUNDAY AND WILL PEAK ABOUT 20 FEET.

* TIDES...THE TIDAL ANOMALY AT ABERDEEN WAS RUNNING 1.8 FEET
  HIGHER THAN THE TIDE PREDICTION EARLY THIS MORNING...HOWEVER
  PRESSURES WERE RISING RAPIDLY EARLY THIS MORNING AND WILL
  CONTINUE TO RISE THE REST OF TODAY. THUS THE TIDAL ANOMALY WILL
  CONTINUE DECREASING THIS MORNING...LIKELY ENDING UP NEAR A FOOT
  AROUND THE TIME OF HIGH TIDE. THE TIME OF HIGH TIDE IS AROUND 11
  AM PST THIS MORNING. THE ACTUAL HIGH TIDE IS EXPECTED TO BE NEAR
  13.1 FEET OR BELOW THE COASTAL FLOOD ADVISORY CRITERIA OF 13.5
  FEET.

* IMPACTS...RIP CURRENTS AND LOCALIZED BEACH EROSION CAN BE 
  EXPECTED FROM THE LARGE WAVES. IT IS EXTREMELY DANGEROUS TO 
  FISH OR OBSERVE WAVES FROM ROCKS DURING HIGH SURF CONDITIONS. 
  UNWARY BEACH WALKERS CAN BE CAUGHT OFF GUARD AS WAVES SUDDENLY 
  RACE FARTHER UP THE BEACH THAN NORMAL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$


WWW.WEATHER.GOV/SEATTLE
442 
WHUS46 KSEW 212033
CFWSEW

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1233 PM PST SAT JAN 21 2012

WAZ516-220600-
/O.CON.KSEW.SU.Y.0002.000000T0000Z-120123T0000Z/
/O.CON.KSEW.CF.A.0002.000000T0000Z-120123T0200Z/
NORTH COAST-
1233 PM PST SAT JAN 21 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST SUNDAY...
...COASTAL FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY
AFTERNOON...

* SWELLS...WESTERLY 15 FEET...BUILDING TO 21 FEET TONIGHT.

* TIME OF HIGH TIDE...1112 AM PST SUNDAY AT LA PUSH.

* PREDICTED TIDE...9.48 FEET AT LA PUSH.

* EXPECTED TIDAL ANOMALY...ABOUT 2 FEET ABOVE THE TIDE 
  PREDICTION AT LA PUSH. 

* EXPECTED TOTAL TIDE...11.48 FEET AT LA PUSH THIS MORNING.

* TIMING...LARGE WESTERLY SWELLS WILL REACH THE COAST THIS
  EVENING. THE LARGEST SWELLS ARE EXPECTED TO IMPACT THE AREA
  LATE TONIGHT THROUGH EARLY SUNDAY AND WILL PEAK ABOUT 21 FEET.

* HIGH SURF IMPACTS...RIP CURRENTS AND LOCALIZED BEACH EROSION 
  CAN BE EXPECTED FROM THE LARGE WAVES. IT IS EXTREMELY 
  DANGEROUS TO FISH OR OBSERVE WAVES FROM ROCKS DURING HIGH SURF 
  CONDITIONS. UNWARY BEACH WALKERS CAN BE CAUGHT OFF GUARD AS 
  WAVES SUDDENLY RACE FARTHER UP THE BEACH THAN NORMAL. 

* COASTAL FLOOD IMPACTS...THE COMBINATION OF HIGH TIDE AND 
  SWELLS COULD CAUSE SEVERE EROSION AND A POSSIBLE BREACH IN THE 
  SOUTH JETTY AT THE MOUTH OF THE QUILLAYUTE RIVER...RESULTING 
  IN THE POTENTIAL FOR FLOODING IN THE TOWN OF LA PUSH AND IN 
  THE QUILEUTE TRIBE LOWER VILLAGE...ESPECIALLY AROUND THE TIME 
  OF HIGH TIDE ON SUNDAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

A COASTAL FLOOD WATCH MEANS FLOODING OR BEACH EROSION WILL OCCUR
IF WEATHER CONDITIONS DEVELOP AS PREDICTED. RESIDENTS AND LOCAL
OFFICIALS SHOULD MONITOR THE SITUATION CLOSELY AND BE PREPARED TO
TAKE APPROPRIATE ACTION IF A WARNING IS ISSUED.

&&

$$

WAZ517-220600-
/O.CON.KSEW.SU.Y.0002.000000T0000Z-120123T0000Z/
CENTRAL COAST-
1233 PM PST SAT JAN 21 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST SUNDAY...

* SWELLS...WESTERLY 15 FEET...BUILDING TO 21 FEET TONIGHT.

* TIMING...LARGE WESTERLY SWELLS WILL REACH THE COAST THIS
  EVENING. THE LARGEST SWELLS ARE EXPECTED TO IMPACT THE AREA
  LATE TONIGHT THROUGH EARLY SUNDAY AND WILL PEAK ABOUT 21 FEET.

* IMPACTS...RIP CURRENTS AND LOCALIZED BEACH EROSION CAN BE 
  EXPECTED FROM THE LARGE WAVES. IT IS EXTREMELY DANGEROUS TO 
  FISH OR OBSERVE WAVES FROM ROCKS DURING HIGH SURF CONDITIONS. 
  UNWARY BEACH WALKERS CAN BE CAUGHT OFF GUARD AS WAVES SUDDENLY 
  RACE FARTHER UP THE BEACH THAN NORMAL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$


WWW.WEATHER.GOV/SEATTLE
673 
WHUS46 KSEW 220616
CFWSEW

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1016 PM PST SAT JAN 21 2012

WAZ516-221430-
/O.CON.KSEW.SU.Y.0002.000000T0000Z-120123T0000Z/
/O.CON.KSEW.CF.A.0002.000000T0000Z-120123T0200Z/
NORTH COAST-
1016 PM PST SAT JAN 21 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT FOR THE ENTIRE NORTH COAST
UNTIL 4 PM PST SUNDAY...
...COASTAL FLOOD WATCH REMAINS IN EFFECT FOR LA PUSH AND THE
QUILEUTE TRIBE LOWER VILLAGE THROUGH SUNDAY AFTERNOON...

* SWELLS...WESTERLY 20 FEET...SUBSIDING TO 16 FEET SUNDAY MORNING.

* TIME OF HIGH TIDE...1112 AM PST SUNDAY AT LA PUSH.

* PREDICTED TIDE...9.48 FEET AT LA PUSH.

* EXPECTED TIDAL ANOMALY...ABOUT 2 FEET ABOVE THE TIDE 
  PREDICTION AT LA PUSH. 

* EXPECTED TOTAL TIDE...11.5 FEET AT LA PUSH SUNDAY MORNING.

* TIMING...LARGE WESTERLY SWELLS WILL CONTINUE IMPACTING THE AREA
  THROUGH EARLY SUNDAY.

* HIGH SURF IMPACTS...RIP CURRENTS AND LOCALIZED BEACH EROSION 
  CAN BE EXPECTED FROM THE LARGE WAVES. IT IS EXTREMELY 
  DANGEROUS TO FISH OR OBSERVE WAVES FROM ROCKS DURING HIGH SURF 
  CONDITIONS. UNWARY BEACH WALKERS CAN BE CAUGHT OFF GUARD AS 
  WAVES SUDDENLY RACE FARTHER UP THE BEACH THAN NORMAL. 

* COASTAL FLOOD IMPACTS...THE COMBINATION OF HIGH TIDE AND
  BUILDING SEAS ON SUNDAY COULD CAUSE SEVERE EROSION AND A
  POSSIBLE BREACH IN THE SOUTH JETTY AT THE MOUTH OF THE
  QUILLAYUTE RIVER...RESULTING IN THE POTENTIAL FOR FLOODING IN
  THE TOWN OF LA PUSH AND IN THE QUILEUTE TRIBE LOWER VILLAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

A COASTAL FLOOD WATCH MEANS FLOODING OR BEACH EROSION WILL OCCUR
IF WEATHER CONDITIONS DEVELOP AS PREDICTED. RESIDENTS AND LOCAL
OFFICIALS SHOULD MONITOR THE SITUATION CLOSELY AND BE PREPARED TO
TAKE APPROPRIATE ACTION IF A WARNING IS ISSUED.

&&

$$

WAZ517-221430-
/O.CON.KSEW.SU.Y.0002.000000T0000Z-120123T0000Z/
CENTRAL COAST-
1016 PM PST SAT JAN 21 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST SUNDAY...

* SWELLS...WESTERLY 20 FEET...SUBSIDING TO 16 OR 17 FEET SUNDAY
  MORNING. 

* TIMING...LARGE WESTERLY SWELLS WILL CONTINUE IMPACTING THE AREA
  THROUGH EARLY SUNDAY.

* IMPACTS...RIP CURRENTS AND LOCALIZED BEACH EROSION CAN BE 
  EXPECTED FROM THE LARGE WAVES. IT IS EXTREMELY DANGEROUS TO 
  FISH OR OBSERVE WAVES FROM ROCKS DURING HIGH SURF CONDITIONS. 
  UNWARY BEACH WALKERS CAN BE CAUGHT OFF GUARD AS WAVES SUDDENLY 
  RACE FARTHER UP THE BEACH THAN NORMAL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

WWW.WEATHER.GOV/SEATTLE
550 
WHUS46 KSEW 221159
CFWSEW

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
359 AM PST SUN JAN 22 2012

WAZ516-222000-
/O.EXT.KSEW.SU.Y.0002.000000T0000Z-120123T2300Z/
/O.EXT.KSEW.CF.A.0002.000000T0000Z-120123T2300Z/
NORTH COAST-
359 AM PST SUN JAN 22 2012

...HIGH SURF ADVISORY IN EFFECT FOR THE ENTIRE NORTH COAST UNTIL
3 PM PST MONDAY...
...COASTAL FLOOD WATCH FOR LA PUSH AND THE QUILEUTE TRIBE LOWER
VILLAGE IN EFFECT THROUGH MONDAY AFTERNOON...

* SEAS...16 TO 20 FEET.

* TIME OF HIGH TIDE...1112 AM PST TODAY AT LA PUSH.

* PREDICTED TIDE...9.48 FEET AT LA PUSH.

* EXPECTED TIDAL ANOMALY...ABOUT 2 FEET ABOVE THE TIDE 
  PREDICTION AT LA PUSH. 

* EXPECTED TOTAL TIDE...11.5 FEET AT LA PUSH LATE THIS MORNING.

* TIMING...LARGE WAVES WILL CONTINUE TO IMPACTING THE COAST
  THROUGH MONDAY.

* HIGH SURF IMPACTS...RIP CURRENTS AND LOCALIZED BEACH EROSION 
  CAN BE EXPECTED FROM THE LARGE WAVES. IT IS EXTREMELY 
  DANGEROUS TO FISH OR OBSERVE WAVES FROM ROCKS DURING HIGH SURF 
  CONDITIONS. UNWARY BEACH WALKERS CAN BE CAUGHT OFF GUARD AS 
  WAVES SUDDENLY RACE FARTHER UP THE BEACH THAN NORMAL. 

* COASTAL FLOOD IMPACTS...THE COMBINATION OF HIGH TIDE AND LARGE
  WAVES COULD CAUSE SEVERE EROSION AND A POSSIBLE BREACH IN THE
  SOUTH JETTY AT THE MOUTH OF THE QUILLAYUTE RIVER...RESULTING IN
  THE POTENTIAL FOR FLOODING IN THE TOWN OF LA PUSH AND IN THE
  QUILEUTE TRIBE LOWER VILLAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

A COASTAL FLOOD WATCH MEANS FLOODING OR BEACH EROSION WILL OCCUR
IF WEATHER CONDITIONS DEVELOP AS PREDICTED. RESIDENTS AND LOCAL
OFFICIALS SHOULD MONITOR THE SITUATION CLOSELY AND BE PREPARED TO
TAKE APPROPRIATE ACTION IF A WARNING IS ISSUED.

&&

$$

WAZ517-222000-
/O.EXT.KSEW.SU.Y.0002.000000T0000Z-120123T2300Z/
CENTRAL COAST-
359 AM PST SUN JAN 22 2012

...HIGH SURF ADVISORY IN EFFECT FOR THE CENTRAL COAST UNTIL 3 PM
PST MONDAY...

* SEAS...MAINLY 16 TO 20 FEET.

* TIMING...LARGE WAVES WILL CONTINUE TO BATTER THE BEACHES THROUGH
  MONDAY.

* IMPACTS...RIP CURRENTS AND LOCALIZED BEACH EROSION CAN BE 
  EXPECTED FROM THE LARGE WAVES. IT IS EXTREMELY DANGEROUS TO 
  FISH OR OBSERVE WAVES FROM ROCKS DURING HIGH SURF CONDITIONS. 
  UNWARY BEACH WALKERS CAN BE CAUGHT OFF GUARD AS WAVES SUDDENLY 
  RACE FARTHER UP THE BEACH THAN NORMAL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

WWW.WEATHER.GOV/SEATTLE
812 
WHUS46 KSEW 221946
CFWSEW

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1146 AM PST SUN JAN 22 2012

WAZ516-230800-
/O.CON.KSEW.SU.Y.0002.000000T0000Z-120123T2300Z/
/O.CON.KSEW.CF.A.0002.000000T0000Z-120123T2300Z/
NORTH COAST-
1146 AM PST SUN JAN 22 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST MONDAY...
...COASTAL FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY
AFTERNOON...

* SEAS...16 TO 20 FEET.

* TIME OF HIGH TIDE...1159 AM PST MONDAY AT LA PUSH.

* PREDICTED TIDE...9.41 FEET AT LA PUSH.

* EXPECTED TIDAL ANOMALY...ABOUT 1.5 FEET ABOVE THE TIDE PREDICTION
  AT LA PUSH.

* EXPECTED TOTAL TIDE...10.9 FEET AT LA PUSH MONDAY AFTERNOON.

* TIMING...LARGE WAVES WILL CONTINUE TO IMPACTING THE COAST 
  THROUGH MONDAY. 

* HIGH SURF IMPACTS...RIP CURRENTS AND LOCALIZED BEACH EROSION 
  CAN BE EXPECTED FROM THE LARGE WAVES. IT IS EXTREMELY 
  DANGEROUS TO FISH OR OBSERVE WAVES FROM ROCKS DURING HIGH SURF 
  CONDITIONS. UNWARY BEACH WALKERS CAN BE CAUGHT OFF GUARD AS 
  WAVES SUDDENLY RACE FARTHER UP THE BEACH THAN NORMAL. 

* COASTAL FLOOD IMPACTS...THE COMBINATION OF HIGH TIDE AND LARGE 
  WAVES COULD CAUSE SEVERE EROSION AND A POSSIBLE BREACH IN THE 
  SOUTH JETTY AT THE MOUTH OF THE QUILLAYUTE RIVER...RESULTING 
  IN THE POTENTIAL FOR FLOODING IN THE TOWN OF LA PUSH AND IN 
  THE QUILEUTE TRIBE LOWER VILLAGE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

A COASTAL FLOOD WATCH MEANS FLOODING OR BEACH EROSION WILL OCCUR
IF WEATHER CONDITIONS DEVELOP AS PREDICTED. RESIDENTS AND LOCAL
OFFICIALS SHOULD MONITOR THE SITUATION CLOSELY AND BE PREPARED TO
TAKE APPROPRIATE ACTION IF A WARNING IS ISSUED.

&&

$$

WAZ517-230800-
/O.CON.KSEW.SU.Y.0002.000000T0000Z-120123T2300Z/
CENTRAL COAST-
1146 AM PST SUN JAN 22 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST MONDAY...

* SEAS...16 TO 20 FEET.

* TIMING...LARGE WAVES WILL CONTINUE TO BATTER THE BEACHES 
  THROUGH MONDAY. 

* IMPACTS...RIP CURRENTS AND LOCALIZED BEACH EROSION CAN BE 
  EXPECTED FROM THE LARGE WAVES. IT IS EXTREMELY DANGEROUS TO 
  FISH OR OBSERVE WAVES FROM ROCKS DURING HIGH SURF CONDITIONS. 
  UNWARY BEACH WALKERS CAN BE CAUGHT OFF GUARD AS WAVES SUDDENLY 
  RACE FARTHER UP THE BEACH THAN NORMAL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$


WWW.WEATHER.GOV/SEATTLE
329 
WHUS46 KSEW 222253
CFWSEW

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
253 PM PST SUN JAN 22 2012

WAZ516-231200-
/O.CON.KSEW.SU.Y.0002.000000T0000Z-120123T2300Z/
/O.CON.KSEW.CF.A.0002.000000T0000Z-120123T2300Z/
NORTH COAST-
253 PM PST SUN JAN 22 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST MONDAY...
...COASTAL FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY
AFTERNOON...

* SEAS...20 TO 23 FEET TONIGHT...SUBSIDING TO 18 TO 20 FEET MONDAY
  AFTERNOON.

* TIME OF HIGH TIDE...1159 AM PST MONDAY AT LA PUSH.

* PREDICTED TIDE...9.41 FEET AT LA PUSH.

* EXPECTED TIDAL ANOMALY...ABOUT 1.5 FEET ABOVE THE TIDE 
  PREDICTION AT LA PUSH. 

* EXPECTED TOTAL TIDE...10.9 FEET AT LA PUSH MONDAY AFTERNOON.

* TIMING...LARGE WAVES WILL CONTINUE TO IMPACTING THE COAST 
  THROUGH MONDAY. 

* HIGH SURF IMPACTS...RIP CURRENTS AND LOCALIZED BEACH EROSION 
  CAN BE EXPECTED FROM THE LARGE WAVES. IT IS EXTREMELY 
  DANGEROUS TO FISH OR OBSERVE WAVES FROM ROCKS DURING HIGH SURF 
  CONDITIONS. UNWARY BEACH WALKERS CAN BE CAUGHT OFF GUARD AS 
  WAVES SUDDENLY RACE FARTHER UP THE BEACH THAN NORMAL. 

* COASTAL FLOOD IMPACTS...THE COMBINATION OF HIGH TIDE AND LARGE 
  WAVES COULD CAUSE SEVERE EROSION AND A POSSIBLE BREACH IN THE 
  SOUTH JETTY AT THE MOUTH OF THE QUILLAYUTE RIVER...RESULTING 
  IN THE POTENTIAL FOR FLOODING IN THE TOWN OF LA PUSH AND IN 
  THE QUILEUTE TRIBE LOWER VILLAGE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

A COASTAL FLOOD WATCH MEANS FLOODING OR BEACH EROSION WILL OCCUR
IF WEATHER CONDITIONS DEVELOP AS PREDICTED. RESIDENTS AND LOCAL
OFFICIALS SHOULD MONITOR THE SITUATION CLOSELY AND BE PREPARED TO
TAKE APPROPRIATE ACTION IF A WARNING IS ISSUED.

&&

$$

WAZ517-231200-
/O.CON.KSEW.SU.Y.0002.000000T0000Z-120123T2300Z/
CENTRAL COAST-
253 PM PST SUN JAN 22 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST MONDAY...

* SEAS...20 TO 23 FEET TONIGHT...SUBSIDING TO 18 TO 20 FEET MONDAY
  AFTERNOON.

* TIMING...LARGE WAVES WILL CONTINUE TO BATTER THE BEACHES 
  THROUGH MONDAY. 

* IMPACTS...RIP CURRENTS AND LOCALIZED BEACH EROSION CAN BE 
  EXPECTED FROM THE LARGE WAVES. IT IS EXTREMELY DANGEROUS TO 
  FISH OR OBSERVE WAVES FROM ROCKS DURING HIGH SURF CONDITIONS. 
  UNWARY BEACH WALKERS CAN BE CAUGHT OFF GUARD AS WAVES SUDDENLY 
  RACE FARTHER UP THE BEACH THAN NORMAL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$


WWW.WEATHER.GOV/SEATTLE
169 
WHUS46 KSEW 230722
CFWSEW

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1122 PM PST SUN JAN 22 2012

WAZ516-231530-
/O.CON.KSEW.SU.Y.0002.000000T0000Z-120123T2300Z/
/O.CON.KSEW.CF.A.0002.000000T0000Z-120123T2300Z/
NORTH COAST-
1122 PM PST SUN JAN 22 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT FOR THE NORTH COAST UNTIL
3 PM PST MONDAY...
...COASTAL FLOOD WATCH REMAINS IN EFFECT FOR LA PUSH AND IN THE
QUILEUTE TRIBE LOWER VILLAGE THROUGH MONDAY AFTERNOON...

* SEAS...18 TO 20 FEET...SUBSIDING DURING THE DAY MONDAY.

* TIME OF HIGH TIDE...1159 AM PST MONDAY AT LA PUSH.

* PREDICTED TIDE...9.41 FEET AT LA PUSH.

* EXPECTED TIDAL ANOMALY...ABOUT A FOOT ABOVE THE TIDE PREDICTION
  AT LA PUSH.

* EXPECTED TOTAL TIDE...10.4 FEET AT LA PUSH DURING THE TIME OF
  HIGH TIDE.

* TIMING...THE LARGE WAVES WILL BEGIN SUBSIDING MONDAY MORNING AND
  ARE EXPECTED TO BE DOWN TO 15 OR 16 FEET BY EARLY MONDAY
  AFTERNOON.

* HIGH SURF IMPACTS...RIP CURRENTS AND LOCALIZED BEACH EROSION CAN
  BE EXPECTED FROM THE LARGE WAVES. 

* COASTAL FLOOD IMPACTS...THE COMBINATION OF HIGH TIDE AND LARGE
  WAVES COULD CAUSE SEVERE EROSION AND A POSSIBLE BREACH IN THE
  SOUTH JETTY AT THE MOUTH OF THE QUILLAYUTE RIVER...RESULTING IN
  THE POTENTIAL FOR FLOODING IN THE TOWN OF LA PUSH AND IN THE
  QUILEUTE TRIBE LOWER VILLAGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

A COASTAL FLOOD WATCH MEANS FLOODING OR BEACH EROSION WILL OCCUR
IF WEATHER CONDITIONS DEVELOP AS PREDICTED. RESIDENTS AND LOCAL
OFFICIALS SHOULD MONITOR THE SITUATION CLOSELY AND BE PREPARED TO
TAKE APPROPRIATE ACTION IF A WARNING IS ISSUED.

&&

$$

WAZ517-231530-
/O.CON.KSEW.SU.Y.0002.000000T0000Z-120123T2300Z/
CENTRAL COAST-
1122 PM PST SUN JAN 22 2012

...HIGH SURF ADVISORY REMAINS IN EFFECT FOR THE CENTRAL COAST UNTIL
3 PM PST MONDAY...

* SEAS...18 TO 20 FEET...SUBSIDING TO 15 FEET BY EARLY MONDAY
  AFTERNOON.

* IMPACTS...RIP CURRENTS AND LOCALIZED BEACH EROSION CAN BE 
  EXPECTED FROM THE LARGE WAVES. IT IS EXTREMELY DANGEROUS TO 
  FISH OR OBSERVE WAVES FROM ROCKS DURING HIGH SURF CONDITIONS. 
  UNWARY BEACH WALKERS CAN BE CAUGHT OFF GUARD AS WAVES SUDDENLY 
  RACE FARTHER UP THE BEACH THAN NORMAL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

WWW.WEATHER.GOV/SEATTLE
609 
WHUS46 KSEW 231203
CFWSEW

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
403 AM PST MON JAN 23 2012

WAZ516-232015-
/O.EXT.KSEW.SU.Y.0002.000000T0000Z-120123T2000Z/
/O.CON.KSEW.CF.A.0002.000000T0000Z-120123T2300Z/
NORTH COAST-
403 AM PST MON JAN 23 2012

...HIGH SURF ADVISORY NOW IN EFFECT FOR THE NORTH COAST UNTIL
NOON PST TODAY...
...COASTAL FLOOD WATCH REMAINS IN EFFECT FOR LA PUSH AND THE
QUILEUTE TRIBE LOWER VILLAGE UNTIL 3 PM PST THIS AFTERNOON...

* SEAS...WESTERLY 9 OR 20 FEET...SUBSIDING TO 16 FEET BY MIDDAY.

* TIME OF HIGH TIDE...1159 AM PST TODAY AT LA PUSH.

* PREDICTED TIDE...9.41 FEET AT LA PUSH.

* HIGH SURF IMPACTS...RIP CURRENTS AND LOCALIZED BEACH EROSION 
  CAN BE EXPECTED FROM THE LARGE WAVES. 

* COASTAL FLOOD IMPACTS...LARGE WAVES COULD CAUSE SEVERE EROSION
  AND A POSSIBLE BREACH IN THE SOUTH JETTY AT THE MOUTH OF THE
  QUILLAYUTE RIVER...RESULTING IN THE POTENTIAL FOR FLOODING IN
  THE TOWN OF LA PUSH AND THE QUILEUTE TRIBE LOWER VILLAGE THIS
  MORNING. THE RISK WILL DIMINISH EARLY THIS AFTERNOON AS THE SEAS
  SUBSIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

A COASTAL FLOOD WATCH MEANS FLOODING OR BEACH EROSION WILL OCCUR
IF WEATHER CONDITIONS DEVELOP AS PREDICTED. RESIDENTS AND LOCAL
OFFICIALS SHOULD MONITOR THE SITUATION CLOSELY AND BE PREPARED TO
TAKE APPROPRIATE ACTION IF A WARNING IS ISSUED.

&&

$$

WAZ517-232000-
/O.EXT.KSEW.SU.Y.0002.000000T0000Z-120123T2000Z/
CENTRAL COAST-
403 AM PST MON JAN 23 2012

...HIGH SURF ADVISORY NOW IN EFFECT FOR THE CENTRAL COAST UNTIL
NOON PST TODAY...

* SEAS...19 OR 20 FEET...SUBSIDING TO 15 FEET BY MIDDAY.

* IMPACTS...RIP CURRENTS AND LOCALIZED BEACH EROSION CAN BE 
  EXPECTED FROM THE LARGE WAVES. IT IS EXTREMELY DANGEROUS TO 
  FISH OR OBSERVE WAVES FROM ROCKS DURING HIGH SURF CONDITIONS. 
  UNWARY BEACH WALKERS CAN BE CAUGHT OFF GUARD AS WAVES SUDDENLY 
  RACE FARTHER UP THE BEACH THAN NORMAL. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN
THE ADVISORY AREA...PRODUCING RIP CURRENTS AND LOCALIZED BEACH
EROSION.

&&

$$

WWW.WEATHER.GOV/SEATTLE
821 
WHUS46 KSEW 231545
CFWSEW

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
745 AM PST MON JAN 23 2012

...THE HIGH SURF ADVISORY FOR THE WASHINGTON COAST HAS ENDED...
...THE COASTAL FLOOD WATCH FOR THE LA PUSH AREA HAS BEEN
CANCELLED...

WAZ516-231645-
/O.CAN.KSEW.SU.Y.0002.000000T0000Z-120123T2000Z/
/O.CAN.KSEW.CF.A.0002.000000T0000Z-120123T2300Z/
NORTH COAST-
745 AM PST MON JAN 23 2012

...HIGH SURF ADVISORY HAS ENDED...
...COASTAL FLOOD WATCH NEAR LA PUSH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS CANCELLED THE HIGH
SURF ADVISORY. THE COASTAL FLOOD WATCH HAS BEEN CANCELLED. 

SEAS PEAKED AT 25 FEET YESTERDAY EVENING BUT HAVE SINCE SUBSIDED
TO 16 FEET AT THE CAPE ELIZABETH BUOY. THERE WILL BE A BREAK IN
THE WEATHER TODAY. THE NEXT FRONTAL SYSTEM WILL ARRIVE EARLY
TUESDAY MORNING...BUT THE ASSOCIATED LOW PRESSURE CENTER WILL
TRACK FAR NORTH OF THE AREA. OCEAN SWELL IS NOT EXPECTED TO RISE
ABOVE 20 FEET AGAIN UNTIL WEDNESDAY.

ALSO...SEAS AND TIDAL ANOMALIES ARE NOT EXPECTED TO BE HIGH
ENOUGH TO POSE A SIGNIFICANT RISK TO THE JETTY UNDER REPAIR AT THE
QUILEUTE LOWER VILLAGE TODAY THROUGH TUESDAY.

$$

WAZ517-231645-
/O.CAN.KSEW.SU.Y.0002.000000T0000Z-120123T2000Z/
CENTRAL COAST-
745 AM PST MON JAN 23 2012

...HIGH SURF ADVISORY HAS ENDED...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS CANCELLED THE HIGH
SURF ADVISORY. SEAS PEAKED AT 25 FEET YESTERDAY EVENING BUT HAVE
SINCE SUBSIDED TO 16 FEET AT THE CAPE ELIZABETH BUOY. THERE WILL
BE A BREAK IN THE WEATHER TODAY. THE NEXT FRONTAL SYSTEM WILL
ARRIVE EARLY TUESDAY MORNING...BUT THE ASSOCIATED LOW PRESSURE
CENTER WILL TRACK FAR NORTH OF THE AREA. OCEAN SWELL IS NOT
EXPECTED TO RISE ABOVE 20 FEET AGAIN UNTIL WEDNESDAY.

$$


WWW.WEATHER.GOV/SEATTLE

What forecasters said that day

The local office's own words before this high surf advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Seattle, WA wrote its last area forecast discussion before this high surf advisory went out at Jan 20, 9:35 AM PST, 5 hours 30 minutes earlier.

Area forecast discussion, Jan 20, 9:35 AM PST, 5 hours 30 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SEATTLE WA
935 AM PST FRI JAN 20 2012

.SYNOPSIS...TEMPERATURES WILL CONTINUE TO GRADUALLY WARM OVER
WESTERN WASHINGTON TODAY. A WARMER WET FRONTAL SYSTEM WILL REACH
WESTERN WASHINGTON THIS AFTERNOON EVENING. AN ACTIVE WEATHER PATTERN
WILL CONTINUE THROUGH THE MIDDLE OF NEXT WEEK AS A SERIES OF FRONTS
REACH THE AREA.

&&

.SHORT TERM...SENT A COUPLE CORRECTIONS TO THIS AFD THIS
MORNING...ADDED A BIT ABOUT THE EASTERLY GRADIENT INCREASING ACROSS
THE CASCADES THIS MORNING AND MADE A CORRECTION TO THE SYNOPSIS.
TEMPS STILL BELOW FREEZING OVER THE NORTHWEST INTERIOR...BUT THERE
ISN'T MUCH COLD AIR LEFT TO DRAIN INTO THE AREA AND BLI-YWL GRADIENT
HAS FALLEN FROM -15MB 24HRS AGO TO -8MB. THAT GRADIENT WILL TICK UP
A NOTCH TODAY AS THE EASTERLY GRADIENT AHEAD OF THE FRONTAL SYSTEM
JUST OFFSHORE INCREASES OVER WRN WA AND THE WINTER WEATHER ADVISORY
THAT IS IN EFFECT UP THERE TIL 4PM SEEMS JUST ABOUT RIGHT...WITH
SOME MIXED PCPN TODAY AND THEN TURNING OVER TO RAIN BY EVENING. THE
LIGHT NE WIND UP THERE NOW SHOULD SWITCH TO A SOUTHEAST WIND AS THE
LAST OF THE COLD AIR FINALLY SCOURS OUT AS WINDS ALOFT AHEAD OF THE
VIGOROUS FRONT JUST OFFSHORE START TO MIX DOWN. FOR THE REST OF THE
LOWLANDS OF WRN WA THE MOST WE MIGHT SEE IS SOME WET SNOW...BUT THE
MILD RAINY WEATHER FOR LATER TODAY IS AN EASY FORECAST. THERE ARE
MANY WAYS TO WARM WRN WA...EASTERLY DOWNSLOPE OFF THE CASCADES...ANY
MIXING FROM THE INCREASINGLY WARM AIR ALOFT...AND THE FACT THAT WE
HAVE ALREADY GRADUALLY WARMED OVERNIGHT. I SEE THE SEA-EAT CROSS
CASCADE GRADIENT HAS INCREASED TO -10.6MB AT 9AM...SO WINDY EASTERLY
GAP WINDS ARE LIKELY IN THE CASCADE PASSES. THE 24HR CHANGE IN TEMPS
OVER WRN WA AT 8AM RANGED FROM 2 TO 12 DEGREES AS THE FRASER OUTFLOW
AND NLY WIND WE HAD YDY PETERED OUT OVERNIGHT.

THE MAIN FNTL BAND SHOULD REACH WRN WA THIS EVENING...WITH PRECIP
INCREASING THIS AFTERNOON AND THE STRONGEST PTN OF THE FRONT WITH
THE MOST MOISTURE AND WARMTH ALOFT OVER WRN WA 4-7PM. THEN OVERNIGHT
THE NAM SHOWS STRONG WINDS ALOFT OVER OREGON...PUSHING BACK UP OVER
THE CASCADES BEFORE DAYBREAK...SO THERE WILL PROBABLY BE TWO SURGES
OF RAIN FOR THE LOWLANDS AND TWO SURGES OF HEAVY MIXED PCPN AND SNOW
FOR THE MOUNTAINS. FOR THE OLYMPICS MUCH OF THE PRECIP OVERNIGHT
WILL BE RAIN AS 850MB TEMPS WARM TO +4C...BUT OVER THE CASCADES COLD
AIR WILL KEEP THE PRECIP SNOW OR A MIX OF SNOW AND FREEZING RAIN IN
THE PASSES...WHILE ALONG THE MORE EXPOSED WEST SLOPES OF THE
CASCADES THE SNOW LEVEL RISES. EXPOSED PEAKS LIKE MT RAINIER COULD
SEE THE SNOW LEVEL RISE TO 6000 FEET TONIGHT...WHILE THE SNOW LEVEL
REMAINS AT THE SURFACE IN THE PASSES. THE NORTH CASCADES WILL
PROBABLY SEE OF AN AREAL AVERAGE SNOW LEVEL RISING TO ARND 2000FT
TONIGHT...BUT THAT IS PRETTY TRICKY TOO AND IT COULD VERY WELL SLOPE
FROM A PEAK OF 5000FT  AT MT PILCHUCK IN SNOHOMISH COUNTY TO A SNOW
LEVEL CLOSE THE SURFACE WAY UP AT MARBLEMOUNT.

IN THE AFTERNOON FCST DISCUSSION I WILL ADDRESS THE POTENTIAL FOR
WINDY WEATHER LATE TONIGHT AS WHAT SORT OF LOOKS LIKE THE BENT BACK
TROUGH COMES THRU WRN WA...THE NAM SHOWS A 16MB PDX-BLI GRADIENT AT
4AM WITH THE STRONGEST GRADIENT OVER THE PUGET SOUND BASIN. I HAVE
NOT HAD A CHANCE TO EXPLORE ANY OF THE GUIDANCE FROM THE UW
MESOSCALE MODELS THOROUGHLY...BUT THE UW 4KM WRFGFS SHOWS SE GALES
COASTAL WATERS AND EAST ENTRANCE STRAIT OF JUAN DE FUCA THIS
AFTERNOON AHEAD OF THE FRONT...AND A WIND SHIFT TO WLY ARND MIDNIGHT
TONIGHT ON THE COAST...WITH A BRIEF SW GALE OVER PUGET SOUND AND A
WLY GALE IN THE STRAIT AT 12Z. THAT IS NOT NEARLY AS WINDY AS THE
NAM SLP FCST SUGGESTS. 19

.LONG TERM...A QUICK LOOK AT THE LATEST 12Z GFS SHOWS A PRETTY
TYPICAL FRONTAL SYSTEM ON TAP FOR SUN NITE...HEIGHT RISES MONDAY
AFTERNOON THROUGH TUESDAY WHICH SET UP A MILD SW FLOW AND BAROCLINIC
ZONE FOR PROBABLY TWO FNTL WAVES TUE AND WED...THAT WILL BE WARM WET
AND WINDY WITH A PERIOD OF RAIN IN THE MOUNTAINS...AND THEN COOLING
WITH STRONG WLY FLOW ALF THU AND FRI...BUT THE FLOW TURNING MORE
NWLY AND HEIGHT RISING LATE IN THE WEEK. THE GFS AND ECMWF THEN
DIVERGE SHARPLY AFTER THAT...AS MUCH AS I HAVE SEEN RECENTLY. 19

&&

.HYDROLOGY...PERIODS OF HEAVY RAIN LATER TODAY INTO SATURDAY ON TOP
OF THE SNOW BLANKETING ALL OF WESTERN WASHINGTON COULD CAUSE RIVER
FLOODING IN SOUTHWEST WASHINGTON AND URBAN AND SMALL STREAM FLOODING
THROUGHOUT THE AREA. THE RAIN COMBINED WITH LOWLAND SNOW MELT COULD
DRIVE THE SKOKOMISH AND CHEHALIS RIVERS ABOVE FLOOD STAGE BETWEEN
TONIGHT AND SATURDAY EVENING...EVEN THOUGH THE RIVER FLOODING IS
EXPECTED TO MINOR.

ALL AREAS COULD SEE EXCESSIVE SURFACE RUNOFF WITH PONDING OF
WATER...PONDING AROUND CLOGGED DRAINS OR CULVERTS...AND/OR SMALL
STREAMS GOING OVER THEIR BANKS. WORSE AREA FLOODING COULD OCCUR IN
SPOTS...PARTICULARLY IN THE AREAS OF DEEP LOWLAND SNOW AND HEAVIER
RAIN LIKE THE SOUTHWEST INTERIOR. SNOW MELTING INTO THE SOIL AND THE
UPCOMING ADDITION OF RAINFALL WILL INCREASE THE THREAT OF
LANDSLIDES.

UNCERTAINTY IS HIGH WITH THIS EVENT AND THE SNOW MELT IS A BIG
PART OF THAT UNCERTAINTY. THE TEMPERATURES ONLY WARM TO THE MID
FORTIES WHICH WOULD NOT ARGUE FOR A FAST MELTING OF
SNOW...HOWEVER...SNOW MELT CAN ACT IN SUCH A WAY AS TO HOLD THE RAIN
WATER AND THEN MELT AND RELEASE THE WATER IN A RELATIVELY SHORT
PERIOD OF TIME WHICH WOULD GREATLY INCREASE THE RIVER RUNOFF. IT IS
EXTREMELY DIFFICULT TO SAY HOW THE SNOW WILL MELT. RIVER MODELS DO
NOT ALWAYS HANDLE THESE SITUATIONS VERY WELL SO SPECIFIC RIVER
FORECASTS MAY NOT FULLY INDICATE THE EXISTING FLOOD RISK.
BOWER/FELTON

&&

.AVIATION...SHOWERS WILL CONTINUE ACROSS WESTERN WA TODAY AS A PAC
SYSTEM MOVES INLAND. EXPECT OCCASIONAL MVFR CIGS. WARMER MARINE AIR
HAS SPREAD INLAND TO AROUND KPAE THIS MORNING. THE LOW LEVEL AIR
MASS IS WARM ENOUGH FOR RAIN AT THE SURFACE. THE LAST AREA TO
TRANSITION WILL BE THE N INTERIOR AS FRASER RIVER OUTFLOW CONTINUES.
HOWEVER NE PRES GRADIENTS ARE DECREASING AND WINDS ARE FORECAST TO
SWITCH TO S/SE EARLY THIS AFTERNOON. UNTIL THEN...EXPECT A MIXED BAG
OF PRECIP FOR AREAS LIKE KBLI...WITH A TRANSITION TO RAIN SHOWERS
THIS AFTERNOON. TEMPS WILL REMAIN ABOVE FREEZING TONIGHT. 33

KSEA...RAIN SHOWERS EXPECTED TODAY WITH SURFACE TEMPS REMAINING
ABOVE FREEZING. EXPECT OCCASIONAL MVFR CEILINGS. S/SE FLOW WILL
INCREASE LATE TONIGHT. 33

&&

.MARINE...EXPECT INCREASING S/SE FLOW OVER THE WATERS TODAY AS A
STRONG PAC SYSTEM APPROACHES WESTERN WA. GALE WARNINGS REMAIN IN
EFFECT FOR THE COASTAL WATERS...ENTRANCES TO THE STRAIT... AND
NORTHERN INLAND WATERS. HIGH END SMALL CRAFT ADVISORY WINDS ARE
FORECAST FOR THE CENTRAL STRAIT...ADMIRALTY INLET...PUGET SOUND AND
HOOD CANAL. A SURFACE TROUGH WILL MOVE INLAND LATE TONIGHT BRINGING
A BURST OF SOUTH WINDS TO THE INTERIOR...MAY SEE GALES FOR PUGET
SOUND AND HOOD CANAL. POST FRONTAL GALES ARE ANTICIPATE THROUGH THE
STRAIT OF JUAN DE FUCA SAT MORNING/AFTERNOON AS WELL.

STRONG FRONTAL SYSTEMS WILL ALSO MOVE THROUGH WESTERN WASHINGTON AND
ITS COASTAL WATERS LATE THIS WEEKEND AND AGAIN EARLY NEXT WEEK.
FAIRLY WIDESPREAD GALES ARE LIKELY WITH BOTH SYSTEMS.

WESTERLY SWELLS WILL BUILD TO 20 TO 25 FT LATE SATURDAY THROUGH
SUNDAY...CREATING HIGH SURF CONDITIONS ALONG THE COAST. 33

&&

WA...WINTER WEATHER ADVISORY FOR THE NORTHWEST INTERIOR UNTIL 4
     PM.
     WINTER WEATHER ADVISORY FOR THE REMAINDER OF THE INTERIOR AND
     THE STRAIT UNTIL 10 AM.
     .WINTER STORM WATCH NORTH AND CENTRAL CASCADES LATE
     THIS AFTERNOON THROUGH SATURDAY MORNING.
    .FLOOD WATCH FOR WESTERN WASHINGTON TONIGHT THROUGH
     SATURDAY NIGHT.
PZ...GALE WARNING COASTAL WATERS...ENTRANCES TO THE STRAIT...AND
       NORTHERN INLAND WATERS THROUGH NOON SATURDAY.
    .GALE WARNING FOR THE CENTRAL STRAIT OF JUAN DE FUCA SATURDAY
       MORNING.
    .SMALL CRAFT ADVISORY FOR ADMIRALTY INLET...PUGET SOUND AND HOOD
       CANAL.
    .SMALL CRAFT ADVISORY FOR ROUGH BAR CONDITIONS THROUGH
       SATURDAY.

YOU CAN SEE AN ILLUSTRATED VERSION OF THE FORECAST DISCUSSION AT
WWW.WEATHER.GOV/SEATTLE/GAFD/LATEST_WEBAFD.HTML

In the hours before

Local storm report, Jan 20, 11:00 AM PST, 4 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
1100 AM PST FRI JAN 20 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1100 PM     FREEZING RAIN    2 NNE PUYALLUP          47.21N 122.26W
01/19/2012  M1.10 INCH       PIERCE             WA   TRAINED SPOTTER

            FINAL ICE ACCRETION TOTAL TAKEN LAST NIGHT...CALLED IN
            THIS MORNING.

&&

DDAMICO
Local storm report, Jan 20, 2:10 PM PST, 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
210 PM PST FRI JAN 20 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0205 PM     FREEZING RAIN    1 ESE EVERSON           48.91N 122.33W
01/20/2012  U0.00 INCH       WHATCOM            WA   TRAINED SPOTTER

            LIGHT SNOW HAS SWITCHED TO FREEZING RAIN AROUND 2 PM 3
            MILES SOUTHEAST OF LYNDEN. SPOTTER ESTIMATES LESS THAN A
            TENTH OF AN INCH OF ICE BUILDUP.

&&

DDAMICO

The office that day

Everything else NWS Seattle, WA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 19, 8:55 PM PSTGale WarningSEW43 hr
Jan 20, 3:53 AM PSTSmall Craft AdvisorySEW23 hr
Jan 20, 2:51 PM PSTWinter Storm WarningSEW19 hr
Jan 20, 3:03 PM PSTWind AdvisorySEWSan Juan19 hr
Jan 20, 3:50 PM PSTAreal Flood AdvisorySEWClallam, Grays Harbor, Island, Jefferson, King, Kitsap and 8 more285 days

Nearby

High Surf Advisories in Washington, 2012Every high surf advisory in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.