000
AXPZ20 KNHC 030923
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC WED DEC 03 2008

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

BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.

...ITCZ...

THE INTERTROPICAL CONVERGENCE ZONE IS ALONG THE LINE...05N77W TO 
05N105W TO 08N120W TO 07N140W.
SCATTERED MODERATE TO STRONG CONVECTION IS WITHIN THE AREA FROM 
08N TO 09.5N BETWEEN 123W AND 128W.

...DISCUSSION...

DEEP LAYER TROUGH IS EAST OF 117W AND NORTHWEST OF A LINE FROM 
THE GULF OF HONDURAS IN THE CARIBBEAN TO THE EQUATOR NEAR 110W.
THE TROUGH IS MOIST IN THE MIDDLE AND UPPER LEVELS NORTH OF 16N 
AND WEST OF 100W. SOME PATCHY AREAS OF HIGH CLOUDS ARE OBSERVED 
WITHIN THIS MOIST AREA MOSTLY OVER BAJA CALIFORNIA AND CENTRAL 
MEXICO. OTHERWISE THE TROUGH AREA IS DRY AND CLOUD FREE IN THE 
MIDDLE AND UPPER LEVELS. WEST OF 117W A LARGE RIDGE DOMINATES 
WITH A SHARP TROUGH JUST TO THE WEST OF 140W. LARGE AREA OF 
UPPER MOISTURE AND AREAS OF OVERCAST TO BROKEN MULTI LEVEL 
CLOUDS ARE WEST OF 122W. 

THE AREA SOUTH AND EAST OF A LINE FROM 28N100W TO 20N105W TO 
15N120W TO THE EQUATOR AT 120W IS DRY AND CLOUD FREE IN THE 
MIDDLE AND UPPER LEVELS. ALSO THE AREA SOUTH OF 07N WEST OF 132W 
IS DRY AND CLOUD FREE IN THE MIDDLE AND UPPER LEVELS.

OVERCAST STRATOCUMULUS ARE NORTH OF 18N WEST OF 120W AND NORTH 
OF 25N EAST OF 120W. BROKEN TO OVERCAST STRATOCUMULUS CLOUDS 
ARE SOUTH OF THE ITCZ ACROSS THE ENTIRE AREA.

MODERATE RIDGE IS NORTH OF 18N WEST OF 110W. ELSEWHERE A BROAD 
TROUGH IS ANALYZED.
 
NORTHERLY WINDS IN THE GULF OF TEHUANTEPEC REGION WILL DECREASE 
TO LESS THAN 20 KNOTS TODAY BUT WILL RETURN THURSDAY NIGHT.

NORTHEASTERLY WINDS IN THE GULF OF PAPAGAYO REGION WILL CONTINUE 
THROUGH TODAY THEN SLOWLY DIMINISH BEFORE RETURNING THURSDAY 
NIGHT.

$$
LL