000
AXPZ20 KNHC 240410
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SUN FEB 24 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  6N77W  7N110W  3N127W  4N140W.
SCATTERED MODERATE WITHIN 150 NM N OF AXIS FROM 110W-118W. 


...DISCUSSION...
LONGWAVE TROUGH EXTEND FROM 32N128W 20N126W TO CYCLONIC VORTEX 
AT 10N130W THEN EQUATOR AT 130W.  VERY DRY AIR MASS ENTIRE SW 
SEMICIRCLE OF VORTEX.  SOME DIFFLUENCE BETWEEN VORTEX AND 
DOWNSTREAM RIDGE CREST ENHANCING SCATTERED MODERATE CONVECTION 
ALONG ITCZ FROM 110W-118W.  STRONG JET OVER 145 KT ADVECTING 
PLENTY OF MOISTURE EASILY OBSERVED IN DIFFLUENT PATTERNS IN 
RIGHT REAR AND LEFT FRONT QUADRANTS.

SMALL SHEAR ZONE S OF 10N FROM 88W-100W PRECEDES BROAD RIDGE 
WITH ANTICYCLONE OVER LAKE MARACAIBO.  VERY DRY AIR MASS UNDER 
SHEAR ZONE AND RIDGE.  MINOR AMOUNT OF MOISTURE ADVECTED NE INTO 
MEXICO AND YUCATAN BY 45 KT JET CORE ON RIDGE NW PERIPHERY.  

AT THE SURFACE...LOW PRES CENTER 976 MB AT 38N133W PRODUCING 
HURRICANE FORCE WINDS HAS COLD FRONT EXTEND FROM 32N123W TO 
23N140W.  GALE WARNINGS W OF FRONT AND N OF 28N WITHIN 300 NM E 
OF FRONT WITH 27 FT SEAS.  FORECAST LOW PRES CENTER TO MOVE NE 
RAPIDLY DIMINISHING WINDS OVER FORECAST WATERS BELOW GALE FORCE 
WITHIN 12 HRS.  

BROAD RIDGE BEHIND FRONT WILL BRING BRISK NW ALONG COAST OF BAJA 
CALIFORNIA WITHIN 48 HRS.  STRONG CARIBBEAN TRADES WILL FILTER 
INTO GULF OF PAPAGAYO WITHIN 24 HRS THROUGH END OF FORECAST 
PERIOD.

$$
WALLY BARNES