000
AXPZ20 KNHC 290324
TWDEP 

TROPICAL WEATHER DISCUSSION                            
NWS NATIONAL HURRICANE CENTER MIAMI FL                      
0405 UTC TUE DEC 29 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
0300 UTC.   

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...           
ITCZ AXIS EXTENDS FROM 05N97W TO 07N118W TO 06N140W. SCATTERED
MODERATE CONVECTION IS FROM 02N TO 05N BETWEEN 94W AND 102W...
AND FROM 04N TO 07N W OF 129W.

...DISCUSSION...                                               
RATHER TRANQUIL CONDITIONS CONTINUE ACROSS MUCH OF THE EAST
PACIFIC WATERS THIS EVENING WITH WATER VAPOR IMAGERY INDICATING
RELATIVELY DRY AIR ALOFT WITH GENERALLY WESTERLY FLOW PREVAILING
N OF 10N W OF 110W. A MIDDLE TO UPPER LEVEL TROUGH IS NOTED OVER
THE WESTERN CONUS WITH AXIS ALONG 115W...HOWEVER MOST OF THE
ENERGY REMAINS TO THE NORTH OF THE REGION WITH ONLY A PIECE OF
SHORTWAVE ENERGY IN THE VICINITY OF 29N119W. AT THE SURFACE...
THIS MID-LEVEL IMPULSE IS REFLECTED AS A SURFACE TROUGH
EXTENDING FROM THE OFFSHORE OF THE SAN DIEGO CALIFORNIA AREA SW
TO 28N125W. THE BOUNDARY IS EXPECTED TO SKIRT THE NORTHERN GULF
OF CALIFORNIA OVERNIGHT INTO EARLY TUESDAY BRINGING INCREASED W
TO NW WINDS N OF 29.5N ACROSS THE GULF. IT IS EXPECTED TO
QUICKLY MOVE NE OF THE AREA BY MIDDAY TUESDAY. OTHERWISE...
SURFACE RIDGING ANCHORED BY A 1027 MB HIGH CENTERED NEAR 37N136W
EXTENDS AN AXIS SE TO 20N115W SUPPORTING AN AREA OF FRESH TO
STRONG TRADES GENERALLY FROM 12N TO 24N W OF 125W. ELSEWHERE
GENERALLY N OF 04N W OF 120W...8 TO 11 FT SWELL IS NOTED PER
LATEST GUIDANCE AND UPDATED GRID PACKAGE. BY TUESDAY...THE
TRADES ARE EXPECTED TO DIMINISH SLIGHTLY INTO MODERATE TO FRESH
BREEZE LEVELS AS THE HIGH SHIFTS EASTWARD AND WEAKENS WITH MIXED
NE AND NW SWELL REMAINING IN PLACE WITH SEAS RANGING FROM 8 TO
11 FT.

GAP WINDS...

GULF OF TEHUANTEPEC...THE NEXT PULSE OF STRONG GAP WINDS IS
MATERIALIZING THIS EVENING AS A COLD FRONT MOVES ACROSS THE
CENTRAL GULF OF MEXICO. WINDS WILL BRIEFLY INCREASE TO STRONG TO
NEAR GALE FORCE WITH SEAS BUILDING INTO A 7-8 FT RANGE. WINDS
AND SEAS WILL DIMINISH QUICKLY BY MIDDAY TUE.

BEYOND 48 HOURS...AN ADDITIONAL GAP WIND PULSE IS EXPECTED TO
START WED NIGHT LEADING INTO A GALE FORCE GAP WIND EVENT BY FRI
NIGHT AS A REINFORCING PUSH OF COLD AIR MOVES ACROSS THE WESTERN
GULF OF MEXICO.

GULF OF PAPAGAYO...STRONG TO NEAR GALE FORCE EASTERLY TRADE WIND
FLOW ACROSS THE SW CARIBBEAN SEA IS RESULTING IN PULSING FRESH
TO STRONG NE TO E WINDS FOR THE GULF OF PAPAGAYO. THE PULSING IS
EXPECTED TO PERSIST THROUGH THE WEEK AHEAD.

$$
HUFFMAN