000
AXPZ20 KNHC 270904
TWDEP 

TROPICAL WEATHER DISCUSSION     
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0830 UTC.

...ITCZ...
ITCZ AXIS ALONG 4N77W 6N84W 4N95W 6N110W 5N125W 6N136W 5N140W. 
SCATTERED MODERATE WITHIN 90 NM EITHER SIDE OF AXIS FROM 123W TO 
129W.

...DISCUSSION...
ENERGY FROM A DEEP QUASI-STATIONARY MID TO UPPER LEVEL 
TROPOSPHERIC TROUGH LOCATED WEST OF THE DISCUSSION AREA THROUGH 
32N143W TO 6N149W AND A PRONOUNCED SUBTROPICAL JET ORIGINATING 
FROM THE BASE OF THE TROUGH ARE PRODUCING A WIDESPREAD PLUME OF 
MOISTURE OVER THE WESTERN HALF OF THE AREA W OF 130W. A JET 
FINGER NORTHWEST OF THE AREA AND THE AFOREMENTIONED SUBTROPICAL 
JET ARE CONVERGING OVER THE NORTHERN PORTION OF THE AREA ALONG 
30N IN THE FORM OF A 105 KT JET STREAK. MODERATE SUBSIDENCE 
ASSOCIATED WITH A MID TO UPPER HIGH CENTERED NEAR 12N 103W WITH 
NARROW RIDGE EXTENDING W TO 10N127W IS EVIDENT IN WATER VAPOR 
IMAGERY E OF 130W.

AT THE SFC...FRESH TRADES PERSIST W OF 130W AND ARE EXPECTED TO 
SLIGHTLY STRENGTHEN DURING THE NEXT 24 HOURS WHILE MODERATE TO 
STRONG NLY FLOW SPILLS OVER THE CA/CNTRL BAJA PENINSULA OFFSHORE 
WATERS.  


$$
ROBERTS