000
AXPZ20 KNHC 100953
TWDEP 

TROPICAL WEATHER DISCUSSION                                     
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
1005 UTC THU DEC 10 2015 

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM
THE EQUATOR TO 32N...EAST OF 140W. THE FOLLOWING INFORMATION IS
BASED ON SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...AND
METEOROLOGICAL ANALYSIS.

BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
0900 UTC.               
 
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...            

TROUGH FROM 07N88W TO 06N93W TO 06N98W...SCATTERED STRONG WITHIN
45 NM TO THE SOUTH OF THE TROUGH BETWEEN 94W AND 97W. SCATTERED
STRONG WITHIN 30 NM EITHER SIDE 04N78W 02N80W 02N82W.

ITCZ FROM 06N100W TO 08N107W TO 06N129W TO 04N140W. TROUGH
EMBEDDED IN ITCZ ALONG 129W/130W S OF 10N. SCATTERED MODERATE TO
STRONG WITHIN 60 NM N OF ITCZ BETWEEN 101W AND 103W...WITHIN 75
TO 100 NM N OF ITCZ BETWEEN 106W AND 109W. SCATTERED MODERATE
ISOLATED STRONG WITHIN 180 NM TO 360 NM N OF ITCZ BETWEEN 106W
AND 110W...AND WITHIN 150 NM S OF ITCZ AND WITHIN 210 NM N OF
ITCZ W OF 125W.

...DISCUSSION...

A SURFACE RIDGE IS ALONG 22N111W 25N117W 28N123W BEYOND 28N140W.
THE SURFACE RIDGE IS BLOCKING A COLD FRONT THAT PASSES THROUGH
32N136W TO 28N145W. LARGE LONG PERIOD NW SWELL IS SET TO MOVE
INTO THE AREA...FROM THE NORTHWESTERN CORNER TOWARD THE EAST AND
SOUTHEAST. THE LEADING EDGE OF A BATCH OF LONG PERIOD NW
SWELL...IN THE FORM OF 12-19 FT SEAS...IS CURRENTLY ALONG A
POSITION FROM 32N135W TO 30N138W TO 28N140W. THIS LEADING EDGE
WILL MOVE TO 32N124W 24N137W 17N140W IN 24 HOURS...AND TO
30N115W 18N126W 16N140W IN 48 HOURS. NW 20 TO 25 KNOT WINDS WILL
DEVELOP FROM 28N NORTHWARD FROM 121W EASTWARD AROUND SUNRISE ON
FRIDAY. THE SAME NE WINDS 20 TO 25 KNOTS WILL BE FROM 28N
NORTHWARD FROM 122W EASTWARD DURING THE EARLY MORNING HOURS OF
SATURDAY...AT 48 HOURS INTO THE FORECAST PERIOD. THE TRADE WINDS
ALSO WILL INCREASE TO NE 20 TO 25 KNOTS FROM 16N TO 22N FROM
133W WESTWARD AT 48 HOURS. LONG-PERIOD NW SWELL IS MIXING WITH
CROSS-EQUATORIAL SOUTHERLY SWELL RESULTING IN COMBINED SEAS OF 8-
11 FT ACROSS THE EASTERN PACIFIC OCEAN GENERALLY TO THE WEST OF
100W. 
 
THE GULF OF TEHUANTEPEC...A 10/0402 ASCAT HIGH RESOLUTION
SCATTEROMETER PASS SHOWS NORTHEAST 30 KNOT WINDS IN THE AREA.
EXPECT 25 TO 30 KNOT WINDS TO BE OBSERVED FOR AT LEAST THE NEXT
6 HOURS OR SO. THE WIND SPEEDS WILL GO FROM 20 TO 25 KNOTS
STARTING AROUND SUNRISE TODAY UNTIL THE MIDDLE OF THIS
AFTERNOON. THE NEXT EVENT WILL BEGIN ON MONDAY AROUND SUNRISE.

THE GULF OF PAPAGAYO...NORTHEASTERLY WINDS 20 KNOTS WILL BE
PRESENT FROM NOW UNTIL NOON TODAY. A PULSE OF 20 KNOT WINDS WILL
START DURING THE EARLY MORNING HOURS OF FRIDAY AND CONTINUE INTO
THE MID-MORNING HOURS OF FRIDAY. THE 20 KNOT WIND SPEEDS WILL
RETURN AGAIN AROUND MIDNIGHT OF SATURDAY AND THEY WILL CONTINUE
UNTIL THE MID-MORNING HOURS OF SATURDAY.
 
THE GULF OF CALIFORNIA...NORTHEAST WINDS 20 TO 25 KNOT WILL BE
PRESENT ON FRIDAY AROUND SUNSET...LASTING ONLY FOR ABOUT 6 HOURS
OR SO. THE WIND SPEEDS CONTINUE TO BE CLOSE TO 20 KNOTS FOR
ANOTHER 6 HOURS...DURING THE EARLY MORNING HOURS OF
SATURDAY...AND THEN THEY FALL OFF FAST HEADING TOWARD THE
SUNRISE HOURS OF SATURDAY.

$$
MT