000
AXPZ20 KNHC 061545
TWDEP 

TROPICAL WEATHER DISCUSSION     
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC TUE MAR 06 2007

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W. THE FOLLOWING INFORMATION IS 
BASED ON SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...AND 
METEOROLOGICAL ANALYSIS.

BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1445 UTC.

...ITCZ...
AXIS ALONG  4N77W  4N105W  5N115W  3N126W  5N134W  4N140W.  
SCATTERED MODERATE WITHIN 90 NM OF AXIS FROM 90W TO 119W.

LARGE AMPLITUDE UPPER TROUGH AXIS FROM 32N125W TO 11N140W HAS 
ONLY DRY SLOT WITHIN 120 NM.  REMAINDER OF E PAC W OF 110W HAS 
PLENTY OF UPPER MOISTURE ADVECTED NE BY 85 KT WINDS ACROSS BAJA 
CALIFORNIA AND CENTRAL MEXICO.  UPSTREAM RIDGE ENTERING 140W 
PACKS MORE MOISTURE JUST BEHIND TROUGH AXIS. 

BROAD RIDGE E OF 110W ALSO HELPING MOVE UPPER TROPICAL MOISTURE 
FROM ITCZ EWD OVER CENTRAL AMERICA.  WINDS N OF 12N E OF 110W 
REMAIN QUASI-ZONAL WITH LITTLE CONVECTION DEVELOPING UNDER RIDGE 
SUBSIDENCE. 

AT THE SURFACE...
WEAKENING RIDGE FORCED E BY COLD FRONT ACROSS NW CORNER OF 
FORECAST WATERS KEEPING FRESH BREEZE TRADES NEAR 20 KT. 

GULF OF TEHUANTEPEC 50 KT STORM FORCE WINDS 
DIMINISHING WITHIN 12 HRS AND GALE FORCE WITHIN 36 HRS. NE WINDS 
ACROSS GULFS OF PAPAGAYO...FONSECA AND PANAMA BEGIN TO SUBSIDE 
WITHIN NEXT 24 HRS AND GONE WITHIN NEXT 48 HRS.  LINGERING 
SWELLS WILL TRAVEL W BETWEEN 5N AND 10N BEFORE DECAYING BELOW 8 
FT PAST 110W.

$$
WALLY BARNES