000
AXPZ20 KNHC 091624
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC SUN MAR 09 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 2N78W 3N94W 2N107W 6N140W. SCATTERED MODERATE FROM 2N 
TO 6N BETWEEN 110W AND 117W. SCATTERED MODERATE ISOLATED STRONG 
WITHIN 60 NM BETWEEN 113W AND 119W. 

...DISCUSSION...

E OF 110W...
LONG WAVE TROUGH IS DIGGING THROUGH NORTHERN MEXICO 
CURRENTLY...DISPLACING A RIDGE OVER THE GULF OF MEXICO. AN 
ASSOCIATED 1026 MB SURFACE HIGH IS SHIFTING E ACROSS THE 
NORTHERN GULF OF MEXICO AS A RESULT...WITH SE RETURN FLOW OVER 
THE WESTERN GULF. MAIN CONSEQUENCE FOR EASTERN PACIFIC WATERS IS 
DIMINISHING GAP WINDS THROUGH THE GULF OF TEHUANTEPEC. A 1204Z 
QUIKSCAT HIGH RESOLUTION QUIKSCAT PASS SHOWED 30 KT WINDS IN THE 
AREA...BUT NO INDICATION OF GALE FORCE...SO ALLOWED THE GALE 
WARNING TO EXPIRE. MEANWHILE FRESH TRADE WIND FLOW OVER THE 
CARIBBEAN IS PROVOKING FRESH WINDS THROUGH THE GULFS OF FONSECA 
AND PAPAGAYO FURTHER S. THIS WILL GRADUALLY DIMINISH THROUGH TUE 
AS HIGH PRES N OF THE CARIBBEAN SHIFTS E. THE OTHER AREA IS THE 
GULF OF PANAMA...WHERE MODELS IS SHOWING SOME INCREASE IN NLY 
FLOW BY LATE MON. FURTHER N...FRESH NLY FLOW IS PUSHING W OF 
BAJA. THIS WILL DIMINISH AS HIGH PRES W OF THE AREA SHIFTS 
E...BUT RESIDUAL SWELL WILL PERSIST THROUGH MIDDAY MON. 
WAVEWATCH MODEL IS SHOWING SW SWELL MOVING INTO THE CENTRAL 
AMERICAN AND MEXICAN COASTS BY TUE...WITH HEIGHTS OF 7 FT AND 
PERIODS UP TO 16S.

W OF 110W...
1026 MB HIGH PRESSURE CENTERED NEAR 31N130W SHIFTS E THROUGH 
TUE...AHEAD OF AN UPPER TROUGH DIGGING E FROM THE CENTRAL 
PACIFIC. FRESH NELY TRADES NOTED ON SCATTEROMETER DATA WILL 
DIMINISH GRADUALLY THROUGH  TUE AS THE PARENT HIGH TO THE N 
SHIFTS E. MEANWHILE SW SWELL TO 8 FT WILL MOVE THROUGH THE AREA 
S OF 15N THROUGH TUE.

$$
CHRISTENSEN