Alert archive / California / Gale Warnings in 2010

Gale Warning 109, NWS Eureka, CA

April 20, 2010

NWS Eureka, CA issued this gale warning at Apr 20, 2010, 2:52 AM PDT. It took effect at Apr 20, 2010, 9:00 PM PDT. It was in force for 65 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 20, 2010, 2:52 AM PDT (09:52 UTC)
In effect from
Apr 20, 2010, 9:00 PM PDT
Expired
Apr 23, 2010, 2:15 PM PDT
In force
65 hr
Issued by
NWS Eureka, CA

The text

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

246 
WHUS76 KEKA 200952
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
252 AM PDT TUE APR 20 2010

PZZ455-475-202230-
/O.NEW.KEKA.SC.Y.0037.100420T0952Z-100421T0100Z/
/O.UPG.KEKA.GL.A.0012.100421T2200Z-100423T2000Z/
/O.NEW.KEKA.SE.W.0060.100421T0100Z-100423T1000Z/
/O.NEW.KEKA.GL.W.0109.100421T0100Z-100423T1000Z/
/O.UPG.KEKA.SE.A.0012.100421T2200Z-100423T2000Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
252 AM PDT TUE APR 20 2010

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM PDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 6 PM THIS EVENING TO 3 AM PDT
FRIDAY...
...HAZARDOUS SEAS WARNING IN EFFECT FROM 6 PM THIS EVENING TO
3 AM PDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 3 AM PDT
FRIDAY. A HAZARDOUS SEAS WARNING HAS ALSO BEEN ISSUED. THIS
HAZARDOUS SEAS WARNING IS IN EFFECT FROM 6 PM THIS EVENING TO
3 AM PDT FRIDAY. IN ADDITION...A SMALL CRAFT ADVISORY HAS BEEN
ISSUED. THIS SMALL CRAFT ADVISORY IS IN EFFECT UNTIL 6 PM PDT
THIS EVENING. 

HIGH PRESSURE BUILDING OVER THE EAST PACIFIC WILL INTERACT WITH
THERMAL LOW PRESSURE OVER CALIFORNIA TO GENERATE NORTHERLY GALES AND
STEEP SHORT PERIOD SEAS TONIGHT THROUGH THURSDAY. GUSTS COULD
APPROACH 45 KT AND WIND WAVES WILL RANGE FROM 12 TO 15 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE
IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN
PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE.  COMMERCIAL VESSELS
SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR
TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

PZZ470-202230-
/O.NEW.KEKA.SC.Y.0037.100420T0952Z-100421T1600Z/
/O.UPG.KEKA.GL.A.0012.100421T2200Z-100423T2000Z/
/O.NEW.KEKA.SE.W.0060.100421T1600Z-100423T1000Z/
/O.NEW.KEKA.GL.W.0109.100421T1600Z-100423T1000Z/
/O.UPG.KEKA.SE.A.0012.100421T2200Z-100423T2000Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
252 AM PDT TUE APR 20 2010

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM PDT WEDNESDAY...
...GALE WARNING IN EFFECT FROM 9 AM WEDNESDAY TO 3 AM PDT
FRIDAY...
...HAZARDOUS SEAS WARNING IN EFFECT FROM 9 AM WEDNESDAY TO 3 AM
PDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 9 AM WEDNESDAY TO 3 AM PDT
FRIDAY. A HAZARDOUS SEAS WARNING HAS ALSO BEEN ISSUED. THIS
HAZARDOUS SEAS WARNING IS IN EFFECT FROM 9 AM WEDNESDAY TO 3 AM
PDT FRIDAY. IN ADDITION...A SMALL CRAFT ADVISORY HAS BEEN ISSUED.
THIS SMALL CRAFT ADVISORY IS IN EFFECT UNTIL 9 AM PDT WEDNESDAY. 

HIGH PRESSURE BUILDING OVER THE EAST PACIFIC WILL INTERACT WITH
THERMAL LOW PRESSURE OVER CALIFORNIA TO GENERATE NORTHERLY GALES
AND STEEP SHORT PERIOD SEAS EARLY WEDNESDAY MORNING THROUGH
THURSDAY. GUSTS COULD APPROACH 45 KT AND WIND WAVES WILL RANGE
FROM 12 TO 15 FT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE
IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN
PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE.  COMMERCIAL VESSELS
SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR
TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

PZZ450-202230-
/O.NEW.KEKA.SC.Y.0037.100420T0952Z-100421T2200Z/
/O.CON.KEKA.GL.A.0012.100421T2200Z-100423T2000Z/
/O.CON.KEKA.SE.A.0012.100421T2200Z-100423T2000Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
252 AM PDT TUE APR 20 2010

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PDT WEDNESDAY...
...GALE WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
FRIDAY AFTERNOON...
...HAZARDOUS SEAS WATCH REMAINS IN EFFECT FROM WEDNESDAY
AFTERNOON THROUGH FRIDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT UNTIL 3 PM PDT WEDNESDAY. A GALE
WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY
AFTERNOON. A HAZARDOUS SEAS WATCH REMAINS IN EFFECT FROM
WEDNESDAY AFTERNOON THROUGH FRIDAY AFTERNOON. 

HIGH PRESSURE BUILDING OVER THE EAST PACIFIC WILL INTERACT WITH
THERMAL LOW PRESSURE OVER CALIFORNIA TO POTENTIALLY GENERATE
NORTHERLY GALES AND STEEP SHORT PERIOD SEAS WEDNESDAY THROUGH
FRIDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

A HAZARDOUS SEAS WATCH IS ISSUED WHEN THE RISK OF HAZARDOUS SEAS
HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR
LOCATION IS STILL UNCERTAIN.  IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.

&&

$$
9 follow-up statements
462 
WHUS76 KEKA 202135
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
235 PM PDT TUE APR 20 2010

PZZ450-211100-
/O.EXT.KEKA.SC.Y.0037.000000T0000Z-100421T0400Z/
/O.EXB.KEKA.GL.W.0109.100421T0400Z-100423T1000Z/
/O.EXB.KEKA.SE.W.0060.100421T0400Z-100423T1000Z/
/O.UPG.KEKA.GL.A.0012.100421T2200Z-100423T2000Z/
/O.UPG.KEKA.SE.A.0012.100421T2200Z-100423T2000Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
235 PM PDT TUE APR 20 2010

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 PM PDT THIS
EVENING...
...GALE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 3 AM PDT
FRIDAY...
...HAZARDOUS SEAS WARNING IN EFFECT FROM 9 PM THIS EVENING TO
3 AM PDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 3 AM PDT
FRIDAY. A HAZARDOUS SEAS WARNING HAS ALSO BEEN ISSUED. THIS
HAZARDOUS SEAS WARNING IS IN EFFECT FROM 9 PM THIS EVENING TO
3 AM PDT FRIDAY. THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL
9 PM PDT THIS EVENING. THE HAZARDOUS SEAS WATCH IS NO LONGER IN
EFFECT. THE GALE WATCH IS NO LONGER IN EFFECT. 

GALE CONDITIONS WILL DEVELOP TONIGHT AS THE PRESSURE GRADIENT
TIGHTENS ACROSS THE REGION. EXPECT GALE TO STRONG GALE CONDITIONS
TO PERSIST INTO FRI WITH VERY ROUGH SHORT PERIOD SEAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE
IMMINENT OR OCCURING. RECREATIONAL BOATERS SHOULD REMAIN IN
PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE.  COMMERCIAL VESSELS
SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR
TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

PZZ455-470-475-211100-
/O.EXT.KEKA.SC.Y.0037.000000T0000Z-100421T0400Z/
/O.EXT.KEKA.GL.W.0109.100421T0400Z-100423T1000Z/
/O.EXT.KEKA.SE.W.0060.100421T0400Z-100423T1000Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
235 PM PDT TUE APR 20 2010

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 PM PDT THIS
EVENING...
...GALE WARNING NOW IN EFFECT FROM 9 PM THIS EVENING TO 3 AM PDT
FRIDAY...
...HAZARDOUS SEAS WARNING NOW IN EFFECT FROM 9 PM THIS EVENING TO
3 AM PDT FRIDAY...

THE GALE WARNING IS NOW IN EFFECT FROM 9 PM THIS EVENING TO 3 AM
PDT FRIDAY. THE HAZARDOUS SEAS WARNING IS NOW IN EFFECT FROM 9 PM
THIS EVENING TO 3 AM PDT FRIDAY. THE SMALL CRAFT ADVISORY IS NOW
IN EFFECT UNTIL 9 PM PDT THIS EVENING. 

GALE CONDITIONS WILL DEVELOP TONIGHT AS THE PRESSURE GRADIENT
TIGHTENS ACROSS THE REGION. EXPECT GALE TO STRONG GALE CONDITIONS
TO PERSIST INTO FRI WITH VERY ROUGH SHORT PERIOD SEAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE
IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN
PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE.  COMMERCIAL VESSELS
SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR
TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
009 
WHUS76 KEKA 210941
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
241 AM PDT WED APR 21 2010

PZZ450-455-470-475-212230-
/O.CON.KEKA.GL.W.0109.000000T0000Z-100423T1000Z/
/O.CON.KEKA.SE.W.0060.000000T0000Z-100423T1000Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
241 AM PDT WED APR 21 2010

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT
FRIDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY. A
HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY. 

GALE CONDITIONS WILL CONTINUE AS THE EASTERN PACIFIC HIGH INTERACTS
WITH LOW PRESSURE INLAND. EXPECT GALE TO STRONG GALE CONDITIONS
TO PERSIST INTO EARLY FRIDAY MORNING WITH VERY ROUGH SHORT PERIOD
SEAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE
IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN
PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE.  COMMERCIAL VESSELS
SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR
TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE.

&&

$$
031 
WHUS76 KEKA 212145
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
245 PM PDT WED APR 21 2010

PZZ450-455-470-475-220545-
/O.CON.KEKA.GL.W.0109.000000T0000Z-100423T1000Z/
/O.CON.KEKA.SE.W.0060.000000T0000Z-100423T1000Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
245 PM PDT WED APR 21 2010

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT
FRIDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY. A
HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY. 

GALE TO STRONG GALE CONDITIONS WILL CONTINUE THROUGH THU. STORM
FORCE GUSTS ARE POSSIBLE IN THE OUTER ZONES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE
IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN
PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE.  COMMERCIAL VESSELS
SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR
TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE.

&&

$$
467 
WHUS76 KEKA 212213 AAA
MWWEKA

URGENT - MARINE WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE EUREKA CA
313 PM PDT WED APR 21 2010

PZZ450-455-470-475-221100-
/O.CON.KEKA.GL.W.0109.000000T0000Z-100423T1000Z/
/O.CON.KEKA.SE.W.0060.000000T0000Z-100423T1000Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
313 PM PDT WED APR 21 2010

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT
FRIDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY. A
HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY. 

GALE TO STRONG GALE CONDITIONS WILL CONTINUE THROUGH THU. STORM
FORCE GUSTS ARE POSSIBLE IN THE OUTER ZONES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE
IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN
PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE.  COMMERCIAL VESSELS
SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR
TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE.

&&

$$
681 
WHUS76 KEKA 220955
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
255 AM PDT THU APR 22 2010

PZZ450-455-470-475-222230-
/O.CON.KEKA.GL.W.0109.000000T0000Z-100423T1000Z/
/O.CON.KEKA.SE.W.0060.000000T0000Z-100423T1000Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
255 AM PDT THU APR 22 2010

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT
FRIDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY. A
HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY. 

GALE TO STRONG GALE CONDITIONS WILL CONTINUE THROUGH EARLY FRIDAY
MORNING. STORM FORCE GUSTS ARE POSSIBLE IN THE OUTER ZONES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE
IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN
PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE.  COMMERCIAL VESSELS
SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR
TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE.

&&

$$
523 
WHUS76 KEKA 222023
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
123 PM PDT THU APR 22 2010

PZZ450-455-470-475-231000-
/O.CON.KEKA.GL.W.0109.000000T0000Z-100423T1000Z/
/O.CON.KEKA.SE.W.0060.000000T0000Z-100423T1000Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
123 PM PDT THU APR 22 2010

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT
FRIDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY. A
HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE
IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN
PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE.  COMMERCIAL VESSELS
SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR
TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE.

&&

$$
963 
WHUS76 KEKA 231002
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
302 AM PDT FRI APR 23 2010

PZZ450-231600-
/O.CAN.KEKA.GL.W.0109.000000T0000Z-100423T1000Z/
/O.NEW.KEKA.SC.Y.0038.100423T1002Z-100423T1600Z/
/O.CAN.KEKA.SE.W.0060.000000T0000Z-100423T1000Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
302 AM PDT FRI APR 23 2010

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM PDT THIS MORNING...
...GALE WARNING IS CANCELLED...
...HAZARDOUS SEAS WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM PDT THIS MORNING. THE
HAZARDOUS SEAS WARNING HAS BEEN CANCELLED. THE GALE WARNING HAS
BEEN CANCELLED. 

WINDS AND SEAS HAVE DIMINISHED OVER THE WATERS THIS MORNING ALLOWING
FOR THE GALE AND HAZARDOUS SEAS WARNINGS TO BE DOWNGRADED TO A SMALL
CRAFT ADVISORY. WINDS AND SEAS WILL CONTINUE TO DECAY THROUGH THE
DAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

PZZ470-231815-
/O.CAN.KEKA.GL.W.0109.000000T0000Z-100423T1000Z/
/O.NEW.KEKA.SC.Y.0038.100423T1002Z-100423T2200Z/
/O.CAN.KEKA.SE.W.0060.000000T0000Z-100423T1000Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
302 AM PDT FRI APR 23 2010

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON...
...GALE WARNING IS CANCELLED...
...HAZARDOUS SEAS WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON. THE
HAZARDOUS SEAS WARNING HAS BEEN CANCELLED. THE GALE WARNING HAS
BEEN CANCELLED. 

WINDS AND SEAS HAVE DIMINISHED OVER THE WATERS THIS MORNING ALLOWING
FOR THE GALE AND HAZARDOUS SEAS WARNINGS TO BE DOWNGRADED TO A SMALL
CRAFT ADVISORY. WINDS AND SEAS WILL CONTINUE TO DECAY THROUGH THE
DAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

PZZ455-231815-
/O.CAN.KEKA.GL.W.0109.000000T0000Z-100423T1000Z/
/O.NEW.KEKA.SC.Y.0038.100423T1002Z-100425T0400Z/
/O.CAN.KEKA.SE.W.0060.000000T0000Z-100423T1000Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
302 AM PDT FRI APR 23 2010

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PDT SATURDAY...
...GALE WARNING IS CANCELLED...
...HAZARDOUS SEAS WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT UNTIL 9 PM PDT SATURDAY. THE
HAZARDOUS SEAS WARNING HAS BEEN CANCELLED. THE GALE WARNING HAS
BEEN CANCELLED. 

WINDS AND SEAS HAVE DIMINISHED OVER THE WATERS THIS MORNING ALLOWING
FOR THE GALE AND HAZARDOUS SEAS WARNINGS TO BE DOWNGRADED TO A SMALL
CRAFT ADVISORY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

PZZ475-231815-
/O.EXT.KEKA.GL.W.0109.000000T0000Z-100424T0100Z/
/O.EXT.KEKA.SE.W.0060.000000T0000Z-100424T0400Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
302 AM PDT FRI APR 23 2010

...GALE WARNING NOW IN EFFECT UNTIL 6 PM PDT THIS EVENING...
...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

THE GALE WARNING IS NOW IN EFFECT UNTIL 6 PM PDT THIS EVENING.
THE HAZARDOUS SEAS WARNING IS NOW IN EFFECT UNTIL 9 PM PDT THIS
EVENING. 

GALE CONDITIONS CONTINUE TO EXIST IN THE MAJORITY OF THE SOUTHERN
OUTER WATERS THIS MORNING. CONDITIONS WILL SLOWLY SUBSIDE THROUGH
THE DAY...DROPPING BELOW WARNING LEVELS BY THIS EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE
IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN
PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE.  COMMERCIAL VESSELS
SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR
TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE.

&&

$$
562 
WHUS76 KEKA 231539
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
839 AM PDT FRI APR 23 2010

PZZ450-231645-
/O.EXP.KEKA.SC.Y.0038.000000T0000Z-100423T1600Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
839 AM PDT FRI APR 23 2010

...SMALL CRAFT ADVISORY WILL EXPIRE AT 9 AM PDT THIS MORNING...

THE SMALL CRAFT ADVISORY WILL EXPIRE AT 9 AM PDT THIS MORNING. 

SEAS WILL CONTINUE TO SUBSIDE THROUGH THE MORNING HOURS.

$$

PZZ475-232200-
/O.CON.KEKA.GL.W.0109.000000T0000Z-100424T0100Z/
/O.CON.KEKA.SE.W.0060.000000T0000Z-100424T0400Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
839 AM PDT FRI APR 23 2010

...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

A GALE WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING. A
HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING. 

GALE CONDITIONS CONTINUE TO EXIST IN THE MAJORITY OF THE SOUTHERN
OUTER WATERS THIS MORNING. CONDITIONS WILL SLOWLY SUBSIDE THROUGH
THE DAY...DROPPING BELOW WARNING LEVELS BY THIS EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE
IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN
PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE.  COMMERCIAL VESSELS
SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR
TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE.

&&

$$

PZZ470-232200-
/O.CON.KEKA.SC.Y.0038.000000T0000Z-100423T2200Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
839 AM PDT FRI APR 23 2010

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON. 

WINDS AND SEAS HAVE DIMINISHED OVER THE WATERS THIS MORNING ALLOWING
FOR THE GALE AND HAZARDOUS SEAS WARNINGS TO BE DOWNGRADED TO A SMALL
CRAFT ADVISORY. WINDS AND SEAS WILL CONTINUE TO DECAY THROUGH THE
DAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

PZZ455-232200-
/O.CON.KEKA.SC.Y.0038.000000T0000Z-100425T0400Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
839 AM PDT FRI APR 23 2010

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT
SATURDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT SATURDAY.

WINDS AND SEAS HAVE DIMINISHED OVER THE WATERS THIS MORNING
ALLOWING FOR THE GALE AND HAZARDOUS SEAS WARNINGS TO BE
DOWNGRADED TO A SMALL CRAFT ADVISORY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
032 
WHUS76 KEKA 232115
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
215 PM PDT FRI APR 23 2010

PZZ475-241100-
/O.CAN.KEKA.GL.W.0109.000000T0000Z-100424T0100Z/
/O.CAN.KEKA.SE.W.0060.000000T0000Z-100424T0400Z/
/O.EXB.KEKA.SC.Y.0038.000000T0000Z-100425T2200Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
215 PM PDT FRI APR 23 2010

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PDT SUNDAY...
...GALE WARNING IS CANCELLED...
...HAZARDOUS SEAS WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT UNTIL 3 PM PDT SUNDAY. THE
HAZARDOUS SEAS WARNING HAS BEEN CANCELLED. THE GALE WARNING HAS
BEEN CANCELLED. 

LOW PRESSURE SITUATED IN THE GULF OF ALASKA WILL BRING BUILDING NW
SWELL TO THE WATERS SAT...WITH MODERATE WINDS CONTINUING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

PZZ470-241100-
/O.CAN.KEKA.SC.Y.0038.000000T0000Z-100423T2200Z/
/O.NEW.KEKA.SC.Y.0039.100424T1900Z-100425T2200Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
215 PM PDT FRI APR 23 2010

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON SATURDAY TO 3 PM PDT
SUNDAY...
...SMALL CRAFT ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT FROM NOON SATURDAY TO 3 PM PDT
SUNDAY. THE SMALL CRAFT ADVISORY HAS BEEN CANCELLED. 

LOW PRESSURE SITUATED IN THE GULF OF ALASKA WILL BRING BUILDING NW
SWELL TO THE WATERS SAT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

PZZ450-241100-
/O.EXB.KEKA.SC.Y.0038.100424T1900Z-100425T2200Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
215 PM PDT FRI APR 23 2010

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON SATURDAY TO 3 PM PDT
SUNDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT FROM NOON SATURDAY TO 3 PM PDT
SUNDAY. 

LOW PRESSURE SITUATED IN THE GULF OF ALASKA WILL BRING BUILDING NW
SWELL TO THE WATERS SAT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

PZZ455-241100-
/O.EXT.KEKA.SC.Y.0038.000000T0000Z-100425T2200Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
215 PM PDT FRI APR 23 2010

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PDT SUNDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 3 PM PDT SUNDAY. 

LOW PRESSURE SITUATED IN THE GULF OF ALASKA WILL BRING BUILDING NW
SWELL TO THE WATERS SAT...WITH MODERATE WINDS CONTINUING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

What forecasters said that day

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

NWS Eureka, CA wrote its last area forecast discussion before this gale warning went out at Apr 19, 2:00 PM PDT, 12 hours 52 minutes earlier.

Area forecast discussion, Apr 19, 2:00 PM PDT, 12 hours 52 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE EUREKA CA
200 PM PDT MON APR 19 2010

.SYNOPSIS...STRONG LOW PRESSURE WILL BRING RAIN AND HIGH ELEVATION
SNOW TO THE REGION THROUGH TUESDAY. HIGH PRESSURE WILL BUILD BACK
INTO THE REGION BY LATE WEDNESDAY WITH WARMER AND DRIER WEATHER
EXPECTED INTO NEXT WEEKEND.
&&

.DISCUSSION...COLD FRONT WILL CONTINUE TO MOVE STEADILY TOWARDS THE
COAST THIS AFTERNOON AND EVENING. WITH LITTLE ISENTROPIC LIFT AHEAD
OF THE FRONT EXPECT LGT AND SPOTTY PRECIP THROUGH THIS AFTERNOON.
PRECIP CHCS INCREASE LATE THIS AFTERNOON INTO EARLY THIS EVENING AS
A BROAD AREA OF LIFT ASSOCIATED WITH FRONTAL CONVERGENCE REACHES THE
COAST. THIS WILL BRING BRIEF PERIODS OF HEAVIER RAINFALL AT THIS
TIMES WITH SOME OROGRAPHIC ENHANCEMENT ALSO EXPECTED IN THE COASTAL
RANGES. MODELED INSTABILITY PARAMETERS CONTINUE TO SUPPORT ISOLD
TSTMS LATE TONIGHT THROUGH TUE AS THE UPPER LEVEL TROUGH MOVES
ACROSS THE REGION. TOTAL QPF FROM TONIGHT THROUGH TUE EVENING
REMAINS BETWEEN 0.75-1.00 INCH WITH LOCALLY HIGHER AMOUNTS IN THE
FAVORED TERRAIN. SNOW LEVELS CURRENTLY AROUND 7000 FT WILL LOWER TO
AROUND 5500 FT THIS EVENING THEN WILL FALL RAPIDLY TO 3000-3500 FT
EARLY TUESDAY AS THE COLD UPPER LOW PASSES. ACCUMULATIONS OF 2 TO 5
INCHES EXPECTED BY TUE NIGHT ABOVE 4000 FT WITH LESS THAN A COUPLE
OF  INCHES BELOW. MODELS REMAIN IN GOOD AGREEMENT IN CUTTING OFF AN
UPPER LOW OVER THE FOUR CORNERS WITH AN UPPER LEVEL RIDGE BUILDING
OVER THE REGION RESULTING IN DRY AND WARM WX FOR THE LATTER HALF OF
THE WEEK. NORTH WINDS WILL INCREASE BY WED AFTERNOON AS HIGH
PRESSURE OFFSHORE COMBINES WITH A THERMAL TROUGH ACROSS THE INTERIOR
TO TIGHTEN THE PGF ACROSS THE REGION. OUTSIDE OF A STRAY SHOWER NEAR
THE ORCA BORDER OVER THE WEEKEND AS A WEAK DISTURBANCE PASSES TO THE
N...DRY WX WILL PERSIST THROUGH NEXT WEEKEND. BC
&&

.AVIATION...0Z TUESDAY THROUGH 0Z WEDNESDAY...SOUTH WIND PICKING UP
AT THE COASTAL TAF SITES IN ADVANCE OF AN APPROACHING FRONT. BEST
GUESS IS THIS WILL CONTINUE FOR A FEW MORE HOURS BEFORE MVFR
CONDITIONS DUE TO RESTRICTION IN VIS AND PERHAPS CIGS ASSOCIATED
WITH THE FRONT PREVAIL IN THE LATE AFTERNOON. RAIN WILL OVERSPREAD
THE AREA FROM WEST TO EAST EARLY THIS EVENING. WINDS ARE NOT
EXPECTED TO BE STRONG WITH THE FRONTAL PASSAGE AND SHOULD BEGIN TO
TURN TO THE NORTH TOWARD THE END OF THIS TAF CYCLE.
&&

.MARINE...A WEAK COLD FRONT IS CROSSING THE WATERS THIS AFTERNOON,
ACCOMPANIED BY AN INCREASE IN SOUTH WINDS NORTH OF CAPE MENDOCINO
AHEAD OF THE FRONT. HAVE EXTENDED THE SCA A FEW MORE HOURS FOR WINDS
FOR THIS AFTERNOON AND EARLY EVENING. A NW SWELL WILL BUILD TONIGHT
INTO TUESDAY WHILE STRENGTHENING HIGH PRESSURE OVER THE EAST PACIFIC
EXTENDS TOWARD THE COAST TUESDAY INTO WEDNESDAY. THE HIGH WILL
INTERACT WITH THERMAL LOW PRESSURE DEVELOPING OVER CALIFORNIA TO
GENERATE GALE FORCE GUSTS FROM THE NORTH AND STEEP SHORT PERIOD SEAS
LATE WEDNESDAY THROUGH FRIDAY. THE WORST CONDITIONS WILL BE OVER THE
OUTER WATERS. HAVE ISSUED A GALE AND HAZ SEAS WATCH TO ADDRESS THIS
PERIOD OF INCLEMENT WEATHER.
&&

.EKA WATCHES/WARNINGS/ADVISORIES...
SCA UNTIL 7 PM PDT THIS EVENING PZZ450-470.
GALE AND HAZARDOUS SEAS WATCHES FROM WED AFTERNOON THROUGH FRI
AFTERNOON FOR PZZ450-455-470-475.
&&

VISIT US AT HTTP://WWW.WEATHER.GOV/EUREKA
Hazardous weather outlook, Apr 19, 4:24 AM PDT, 22 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE EUREKA CA
424 AM PDT MON APR 19 2010

CAZ002-201330-
MENDOCINO COAST-
424 AM PDT MON APR 19 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT.

ISOLATED THUNDERSTORMS ARE POSSIBLE LATE TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

ISOLATED THUNDERSTORMS ARE POSSIBLE TUESDAY. A FEW SHOWERS AND
THUNDERSTORMS MAY CONTAIN SMALL HAIL AND BRIEF GUSTY WINDS.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

CAZ001-201330-
REDWOOD COAST-
424 AM PDT MON APR 19 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED TODAY OR TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

ISOLATED THUNDERSTORMS ARE POSSIBLE TUESDAY. A FEW SHOWERS AND
THUNDERSTORMS MAY CONTAIN SMALL HAIL AND BRIEF GUSTY WINDS.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

CAZ003-076-201330-
NORTH COAST INTERIOR-MENDOCINO INTERIOR-
424 AM PDT MON APR 19 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED TODAY OR TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

SNOW LEVELS WILL FALL TO 4000 FEET BY TUESDAY AFTERNOON...WITH A
FEW INCHES OF SNOW ACCUMULATION POSSIBLE BY TUESDAY EVENING. STAY
TUNED TO LATER FORECASTS AND POSSIBLE STATEMENTS OR ADVISORIES.

ISOLATED THUNDERSTORMS MAY ALSO OCCUR TUESDAY. A FEW SHOWERS AND
THUNDERSTORMS MAY CONTAIN SMALL HAIL AND BRIEF GUSTY WINDS.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

CAZ004-201330-
UPPER TRINITY RIVER-
424 AM PDT MON APR 19 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED TODAY OR TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

SNOW LEVELS WILL FALL TO 4000 FEET BY TUESDAY AFTERNOON...WITH A
FEW INCHES OF SNOW ACCUMULATION POSSIBLE BY TUESDAY EVENING. STAY
TUNED TO LATER FORECASTS AND POSSIBLE STATEMENTS OR ADVISORIES.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

The office that day

Everything else NWS Eureka, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 19, 9:02 PM PDTSmall Craft AdvisoryEKA4 hr
Apr 20, 2:52 AM PDTSmall Craft AdvisoryEKA18 hr
Apr 20, 2:52 AM PDTHazardous Seas WarningEKA3 days

Nearby

Gale Warnings in California, 2010Every gale warning in 2010

Sources

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