000
AXPZ20 KNHC 191526
TWDEP 

TROPICAL WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC WED MAR 19 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 THE LINE...3N77W 2N105W 5N125W 3N140W. SCATTERED 
MODERATE WITH ISOLATED STRONG CONVECTION IS WITHIN 60 NM OF THE 
POINT 7N115W. SCATTERED MODERATE WITH ISOLATED STRONG CONVECTION 
IS WITHIN 75 NM OF THE POINT 5N122.5W. SCATTERED MODERATE WITH 
ISOLATED STRONG CONVECTION IS WITHIN THE AREA FROM 3.5N TO 5.5N 
FROM 131W TO 136W.

OTHER SIGNIFICANT CONVECTION...SCATTERED MODERATE WITHIN 75 NM 
OF 11N102W.

...DISCUSSION...
UPPER LEVELS...
DEEP LAYER TROUGH IS JUST WEST OF THE AREA AND EXTENDS TO 135W 
NORTH OF THE ITCZ. AREAS OF BROKEN MAINLY UPPER CLOUDS ARE NORTH 
OF THE ITCZ WEST OF 130W ASSOCIATED WITH THE SOUTHERLY FLOW EAST 
OF THE TROUGH AXIS.

ANOTHER DEEP LAYER TROUGH IS OVER MEXICO NORTH OF 20N. THIS 
TROUGH IS MOVING EAST AND WILL BE ABSORBED IN THE WESTERLIES 
OVER THE NORTHERN GULF OF MEXICO WITHIN THE NEXT 36 HOURS. A 
LARGE AREA OF DRY AND CLOUD FREE MIDDLE AND UPPER LEVELS IS 
WITHIN THE AREA GENERALLY NORTH AND EAST OF A LINE 32N120W 
28N125W 10N117W TO 25N95W. A BAND OF UPPER LEVEL MOISTURE AND 
AREAS OF BROKEN CLOUDS IS WITHIN 360 NM SOUTHEAST OF THIS DRY 
AREA EAST OF 115W. THIS MOIST AREAS EXTENDS OVER CENTRAL MEXICO.

REMAINDER OF THE AREA IS MAINLY A BROAD ANTICYCLONIC FLOW.

SURFACE...
MODERATE RIDGE IS NORTH OF 10N WEST OF 108W. ELSEWHERE BROAD 
TROUGH IS ANALYZED.

GAP WINDS OF 20 TO OCCASIONALLY 25 KT IN THE GULF OF PAPAGAYO 
AREA WILL CONTINUE THROUGH 48 HOURS WHEN THEY WILL INCREASE TO 
20 TO 30 KT.  

GAP WINDS WILL BEGIN IN THE GULF OF TEHUANTEPEC LATE TODAY AND 
RAPIDLY INCREASE TO GALE FORCE OVERNIGHT. THE GALE WILL END 
EARLY FRIDAY BUT THE GAP WINDS WILL CONTINUE THROUGH 48 HOURS.

$$
LL