000
AXPZ20 KNHC 270330
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC THU DEC 27 2007

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN
FROM THE EQUATOR TO 32N...EAST OF 140W. 

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0300 UTC.
 
...ITCZ...
INTERTROPICAL CONVERGENCE ZONE AXIS ALONG...6N77W 7N105W 9N115W 
8N140W. SCATTERED MODERATE CONVECTION WITHIN 90 NM OF 6N85W.

...DISCUSSION...
SHORT WAVE TROUGH DEEPENING S OF 30N BETWEEN 112W AND 126W. LONG 
WAVE TROUGH PREVIOUSLY ANALYZED NORTH OF A LINE 25N140W 22N125W 
23N105W HAS FLATTENED AND IS BECOMING LESS DEFINED. ITCZ CONVECTION 
HAS DECREASED. ITCZ DEBRIS MOISTURE IS MOVING OVER A LARGE PORTION 
OF CENTRAL MEXICO. A POORLY DEFINED TROUGH IS SOUTH OF THE ITCZ 
ACROSS THE ENTIRE AREA. REMAINDER OF THE AREA IS COVERED BY WEAK 
ANTICYCLONIC FLOW. EXCEPT FOR ITCZ CONVECTION NEAR 86W THE AREA IS 
RELATIVELY DRY AND CLOUD FREE IN THE MIDDLE AND UPPER LEVELS.

STRONG SURFACE RIDGE IS NORTH OF THE ITCZ WEST OF 117W. STRONG 20-30 
KT TRADE WINDS WITH COMBINED SEAS TO 15 FEET ASSOCIATED WITH THIS 
LARGE RIDGE. REMAINDER OF THE AREA IS ANALYZED AS A WEAK TROUGH.

GAP WINDS TO 20 KNOTS WILL CONTINUE FOR ANOTHER 24 TO 48 HOURS IN 
THE GULF OF PAPAGAYO REGION.

NORTHWEST WINDS IN THE GULF OF CALIFORNIA WILL FLUCTUATE AROUND 20 
KT DURING THE NEXT 48 HOURS.

$$
MUNDELL