000
AXPZ20 KNHC 250340
TWDEP 

TROPICAL WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC TUE MAR 25 2008

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

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0300 UTC.

...ITCZ...
ITCZ AXIS ALONG 3N78W  5N88W  3N100W  7N120W  6N140W.  SCATTERED 
MODERATE ISOLATED STRONG CONVECTION WITHIN 120 NM OF AXIS FROM 
95W-98W...WITHIN 240 NM OF AXIS FROM 112W-117W AND WITHIN 90 NM 
OF AXIS FROM 122W-124W.

...DISCUSSION...
UPPER LEVELS...
ANTICYCLONIC FLOW COVERS E PAC N OF 10N W OF 100W WITH WEAK 
CYCLONIC VORTEX AT 3N114W.  DIFFLUENCE ALOFT FROM 6N-9N BETWEEN 
112W-114W 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 FROM 9N84W TO 1N82W.  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 1026 MB AT 33N135W HAS RIDGE EXTEND SE TO 
15N105W.  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 WITHIN 36 HRS.  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 36 HRS.

$$
WALLY BARNES