000
AXPZ20 KNHC 292125
TWDEP 

TROPICAL WEATHER DISCUSSION 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2205 UTC SUN DEC 29 2013

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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2100 UTC.
 
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...              

MONSOON TROUGH EXTENDS FROM FROM 05N77W TO 04N91W...THEN ITCZ TO 
09N113W TO 09N128W TO 07N140W. NO SIGNIFICANT CONVECTION.

...DISCUSSION...                                               

UPPER LEVEL TROUGH EXTENDING SW FROM 32N109W TO 21N125W IS 
DIGGING SOUTHWARD W OF BAJA CALIFORNIA. WEAK DIFFLUENT FLOW 
ALOFT IS ENHANCING MID/UPPER LEVEL CLOUDINESS SSE OF THE TROUGH 
FROM 10N TO 20N BETWEEN 105W AND 122W. WEAK SFC RIDGING PREVAILS 
N OF 22N BETWEEN 125W AND 140W. AS A RESULT WEAK PRES GRADIENT 
EXISTS ACROSS MOST OF THE REGION...WITH WINDS 20 KT OR LESS... 
EXCEPT FOR SMALL AREA OF 20-25 KT WINDS N OF 30N IN NORTHERN 
GULF OF CALIFORNIA. EXPECT VERY LITTLE CHANGE NEXT 24-36 HOURS.

GAP WINDS...

A STRONG COLD FRONT WILL MOVE INTO THE SW GULF OF MEXICO TUE 
MORNING...ALLOWING WINDS TO REACH MINIMAL GALE FORCE IN THE GULF 
OF TEHUANTEPEC TUE AFTERNOON THROUGH WED MORNING.

STRONG HIGH PRES WILL BUILD OVER THE SOUTHWEST U.S. BEHIND THE 
TROUGH MENTIONED ABOVE...ALLOWING WINDS TO REACH 25 KT LATER 
TODAY...THEN DIMINISH TO AROUND 20 KT TONIGHT AND MON.

STRONG TRADE WINDS IN THE SW CARIBBEAN ARE ALLOWING DIURNAL 
FRESH GAP WIND FLOW TO CONTINUE THROUGH THE GULF OF PAPAGAYO 
DURING THE MORNING HOURS. A SLIGHTLY STRONGER PULSE OF E-NE 
WINDS IS EXPECTED TUE MORNING.

$$
MUNDELL