000
AXPZ20 KNHC 071005
TWDEP 

TROPICAL WEATHER DISCUSSION                                     
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
1005 UTC MON DEC 07 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
0830 UTC.               
 
...SPECIAL FEATURE...
 
GULF OF TEHUANTEPEC GALE WARNING...30-40 KT NORTHERLY GALE-ORCE
WINDS...SEA HEIGHTS TO 18 FEET...ARE EXPECTED TO PERSIST UNTIL
SUNSET ON MONDAY. THE GRADIENT WILL RELAX GRADUALLY...WITH
MINIMAL GALE-FORCE WINDS LASTING UNTIL AROUND SUNRISE ON TUESDAY
MORNING. A 30 KNOT MAXIMUM IS EXPECTED TO REMAIN FOR THE REST OF
TUESDAY UNTIL SUNRISE ON WEDNESDAY. ONLY 25 KNOT WIND SPEEDS ARE
EXPECTED DURING MAXIMUM DRAINAGE ON WEDNESDAY NIGHT AND ONLY 20
KNOTS ON THURSDAY NIGHT.  
  
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...            

MONSOON TROUGH FROM 07N77W TO 05N82W TO 05N93W. ITCZ FROM 05N93W
TO 05N106W TO 05N124W TO 03N131W TO 04N136W. EMBEDDED SURFACE
TROUGH FROM 06N134W TO 02N140W. SCATTERED STRONG WITHIN 60 NM N
OF ITCZ E OF 80W. SCATTERED MODERATE ISOLATED STRONG FROM 03N TO
15N BETWEEN 113W AND 130W...AND WITHIN 240 NM NORTH OF ITCZ W OF
132W.

...DISCUSSION...

A 1027 MB HIGH PRESSURE CENTER IS NEAR 29N136W. THE LEADING EDGE
OF A BATCH OF LONG PERIOD NW SWELL...IN THE FORM OF 12-18 FT
SEAS...STARTS NOW TO THE NORTHWEST OF THE LINE THAT RUNS THROUGH
32N123W AND CONTINUES BEYOND 18N140W. NE 20-25 KT TRADE WINDS
WILL BE FROM 08N TO 19N FROM 126W WESTWARD...WITH SEA HEIGHTS
RANGING FROM 9 TO 12 FEET. LONG-PERIOD CROSS-EQUATORIAL S SWELL
IS MIXING WITH LONG-PERIOD NW SWELL....RESULTING IN COMBINED
SEAS OF 7-11 FT ELSEWHERE TO THE WEST OF 107W FROM 20N
SOUTHWARD...AND FROM 20N NORTHWARD TO THE WEST OF 32N119W
20N129W. THE 12-FOOT SEA HEIGHTS WILL BE TO THE WEST OF 30N116W
06N140W EARLY ON TUESDAY...AND ONLY FROM 07N TO 10N FROM 133W
WESTWARD EARLY ON WEDNESDAY.
 
THE GULF OF PAPAGAYO...NORTHEASTERLY 20-25 KNOT WINDS ARE
PULSING FOR THE NEXT 12 HOURS...STOPPING FOR 6 HOURS...STARTING
AGAIN AND CONTINUING FOR 12 HOURS. THE 20 TO 25 KNOT WIND SPEEDS
STOP FROM TUESDAY AFTERNOON INTO TUESDAY SUNSET. COMPARATIVELY
WEAKER 20 TO 25 KNOT WINDS CONTINUE AGAIN FROM EARLY ON
WEDNESDAY INTO WEDNESDAY SUNRISE. NO 20 TO 25 KNOT WINDS ARE
FORECAST FROM WEDNESDAY SUNRISE UNTIL FRIDAY SUNSET. 8 FOOT SEA
HEIGHTS BUILD FROM THE GULF OF PAPAGAYO NOW...AND CONTINUE
DOWNSTREAM...MERGING WITH DOWNSTREAM SEAS. NO NEW AREAS OF 8
FOOT SEA HEIGHTS DEVELOP AFTER TUESDAY AFTERNOON. ANY 8 FOOT SEA
HEIGHTS OR HIGHER STAY DOWNSTREAM NEAR 04N95W.

THE GULF OF CALIFORNIA...FRESH NW WINDS ARE FORECAST ONLY FOR
THE NEXT 6 HOURS OR SO...FROM 23N TO 24N BETWEEN 118W AND 119W.
THE GRADIENT WILL GRADUALLY RELAX THROUGH MID WEEK WITH LIGHT
AND VARIABLE WINDS FOR WEDNESDAY NIGHT INTO THURSDAY. A COLD
FRONT WILL ENTER THE NORTHERN GULF EARLY FRIDAY. STRONG NW WINDS
WILL DEVELOP BEHIND THE FRONT ON FRIDAY...AND SPREAD
SOUTHEASTWARD ACROSS MOST OF THE GULF BY LATE SATURDAY.  

$$
MT