000
AXPZ20 KNHC 242213
TWDEP 

TROPICAL WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC MON MAR 24 2008

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

BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2100 UTC.

...ITCZ...
ITCZ AXIS ALONG 3N78W 5N88W 3N100W 7N121W 4N140W.  SCATTERED 
MODERATE ISOLATED STRONG CONVECTION WITHIN 120 NM OF AXIS FROM 
85W-104W...WITHIN 240 NM OF AXIS FROM 113W-126W AND WITHIN 90 NM 
OF AXIS FROM 132W-139W.

...DISCUSSION...
UPPER LEVELS...
ANTICYCLONIC FLOW COVERS E PAC N OF 10N W OF 100W WITH WEAK 
CYCLONIC VORTEX AT 4N116W.  DIFFLUENCE ALOFT FROM 6N-9N BETWEEN 
114W-118W ENHANCING DEEP CONVECTION ALONG ITCZ AXIS IN THAT 
AREA. CONVECTION DEBRIS ADVECTED BY RIDGE FLOW INTO SRN MEXICO.
ABUNDANT MOISTURE AVAILABLE W OF 110W TO MOVE UNTO BAJA 
CALIFORNIA.  

STUBBORN RIDGE OVER CARIBBEAN SEA BLOCKS ERN MOVEMENT OF WEAK 
TROUGH FROM1N83W.  VERY DRY AIR MASS ALONG TROUGH AXIS.  TROUGH 
BOUND TO LIFT NE WITHIN 48 HRS AND RIDGES MERGE.  BY THAT TIME 
NEW LONGWAVE TROUGH ENTERS E PAC ALONG 120W. 

SURFACE...
HIGH PRES CENTER 1027 MB AT 32N137W HAS RIDGE EXTEND SE TO 
14N100W.  RIDGE PUSHING MODERATE TO STRONG TRADES W OF 125W AND 
STRONG N WIND ALONG CALIFORNIA COAST WHICH WILL ENTER E PAC 
ALONG BAJA COAST WITHIN 24 HRS. 

GALE FORCE WINDS IN GULF OF TEHUANTEPEC FORECAST TO DIMINISH 
BELOW GALE EARLY WED.  WINDS IN GULF OF PAPAGAYO CONTINUE 
THROUGH 24 HRS THEN INCREASE TO 25 KT EARLY TUE AND WED.
GAP WINDS IN GULF OF PANAMA BECOME MORE PERSISTENT IN 48 HRS.

$$
WALLY BARNES