000
AXPZ20 KNHC 241521
TWDEP 

TROPICAL WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC MON MAR 24 2008

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

BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.

...ITCZ...
ITCZ AXIS ALONG 3N77W 3N105W 7N120W 5N140W. SCATTERED MODERATE 
WITH ISOLATED STRONG CONVECTION IS WITHIN THE AREA FROM 1.5N TO 
4N FROM 95W TO 105W. SCATTERED MODERATE WITH ISOLATED STRONG 
CONVECTION IS WITHIN THE AREA FROM 6N TO 10N FROM 117W TO 122W. 
SCATTERED MODERATE CONVECTION IS WITHIN THE AREA FROM 5N TO 6.5N 
FROM 133W TO 138W.

...DISCUSSION...
UPPER LEVELS...
WEAKENING UPPER TROUGH CONTINUES OVER THE EASTERN PART OF THE 
AREA WITH AN AXIS ALONG THE LINE 5N95W TO BEYOND 15N80W. 
SOUTHERLY MOIST FLOW IS NORTH OF THE ITCZ EAST OF THE TROUGH. 
SOME AREAS OF BROKEN MAINLY HIGH CLOUDS ARE IN THIS SOUTHERLY 
FLOW. DRY AND CLOUD FREE MIDDLE AND UPPER LEVELS EXTENDS WEST OF 
THE TROUGH AXIS TO 105W.

A TROUGH IS OVER THE NORTHEAST PART OF THE AREA NORTH OF A LINE 
32N123W 25N120W TO 23N100W. THE AREA ID RY AND CLOUD FREE IN THE 
MIDDLE AND UPPER LEVELS. PATCHY AREAS OF LOW CLOUDS ARE OVER THE 
INTERIOR VALLEYS OF NORTHERN MEXICO BETWEEN THE SIERRA MADRE 
ORIENTAL AND THE SIERRA MADRE OCCIDENTAL. THESE CLOUDS SHOULD 
EVAPORATE AS THE TEMPERATURE WARMS TODAY.

A MAJOR TROUGH TO THE WEST OF THE AREA EXTENDS OVER THE 
NORTHWEST PART OF THE AREA NORTHWEST OF A LINE 32N135W 20N140W. 

THE REMAINDER OF THE AREA IS UNDER WEAK ANTICYCLONIC FLOW. 

THE AREA WITHIN ABOUT 400 NM OF THE POINT 10N114W IS DIFLUENT 
ALOFT WITH MULTI LEVEL CLOUDS AND SOME EMBEDDED CONVECTION.

SURFACE...
WEAK RIDGE IS NORTH OF 15N W OF 118W. REMAINDER OF THE AREA IS 
ANALYZED AS A WEAK TROUGH.

GAP WINDS OF GALE FORCE ARE IN THE GULF OF TEHUANTEPEC REGION. 
THE WINDS ARE FORECAST TO FALL TO LESS THAN GALE FORCE BY EARLY 
WEDNESDAY.

GAP WINDS OF 20 KNOTS IN THE GULF OF PAPAGAYO REGION WILL 
CONTINUE THROUGH 24 HOURS THEN INCREASE TO 20 TO 25 KT EARLY 
TUESDAY AND 20 TO 30 KNOTS EARLY WEDNESDAY.

GAP WINDS OF NEAR 20 KNOTS WILL OCCASIONALLY AFFECT THE GULF OF 
PANAMA REGION AND BECOME MORE PERSISTENT IN 48 HOURS.

$$
LL