000
AXPZ20 KNHC 272212
TWDEP 

TROPICAL WEATHER DISCUSSION     
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC TUE FEB 27 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2145 UTC.

...ITCZ...
ITCZ AXIS ALONG  5N77W  6N100W  6N115W  6N140W.  SCATTERED 
MODERATE ISOLATED STRONG CONVECTION WITHIN 120 NM OF AXIS FROM 
124W TO 130W AND WITHIN 60 NM OF AXIS E OF 86W.  SCATTERED 
MODERATE CONVECTION WITHIN 45 NM OF 8N136W.  

...UPPER DISCUSSION...
BROAD MID/UPPER LEVEL RIDGE DOMINATES ANTICYCLONIC FLOW OVER 
ENTIRE E PAC.  UPPER LEVEL LONGWAVE TROUGH N OF FORECAST WATERS 
FROM NW CONUS TO 32N134W TO 16N156W FLATTENS RIDGE CREST LEAVING 
MOSTLY STRONG ZONAL FLOW UNDER 125 KT JET CORE.  LARGE AMOUNT OF 
TROPICAL MOISTURE ADVECTED BY JET ACROSS BASIN INTO BAJA 
CALIFORNIA AND NRN MEXICO BUT ONLY A COUPLE OF SMALL AREAS ALONG 
ITCZ AND SHORT LINE ALONG WEAK COLD FRONT 30N120W TO 27N130W 
HAVE UPLIFT FOR CONVECTION DEVELOPMENT .  

...AT THE SURFACE...
TRADES PERSIST W OF 130W EXPECTED TO STRENGTHEN NEXT 24 HRS AS 
1038 MB HIGH PRES CENTER MOVES SE CLOSER TO FORECAST WATERS.  

...GAP WINDS...
STRONG WINDS OF GALE FORCE OVER SW CARIBBEAN SNEAKING THROUGH 
GULF OF PAPAGAYO INTO E PAC AND GETTING STRONGER NEXT 24-36 HRS. 

$$
WALLY BARNES