000
AXPZ20 KNHC 290402
TWDEP 

TROPICAL WEATHER DISCUSSION     
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC FRI DEC 29 2006

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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0300 UTC.

...ITCZ...
AXIS 2N79W 9N97W 7N103W 6N140W. SCATTERED MODERATE FROM 7N TO 
12N BETWEEN 95W AND 100W...AND WITHIN 90 S OF AXIS BETWEEN 121W 
AND 125W.

...DISCUSSION...
DEEP UPPER CUTOFF LOW PRES SYSTEM IS MOVING THROUGH THE SW 
UNITED STATES WITH TRAILING UPPER TROUGH OVER ALONG 106W. 
FURTHER W...SHARP UPPER RIDGE EXTENDS FROM HIGH PRES NEAR 
23N137W THROUGH BC/WASHINGTON STATE AREA. THE RIDGE IS 
AMPLIFYING AND SHIFTING E AHEAD OF A DEEP LAYER DIGGING THROUGH 
THE CENTRAL PACIFIC NW OF THE AREA. AT THE SURFACE...A 
DISSIPATING COLD FRONT ASSOCIATED WITH THE UPPER TROUGH OVER THE 
SW STATES IS PUSH S FROM NEAR CABO SAN LUCAS TO NEAR 20N120W. 
SHIP OFF NRN BAJA CONTINUE TO REPORT NEAR GALE FORCE NLY WINDS 
ALONG WITH VERY HIGH SEAS IN MIXED WIND WAVE AND SWELL...AS HIGH 
PRES BUILDS IN BEHIND THE FRONT. QUIKSCAT SHOWS STRONG NWLY FLOW 
OVER NRN GULF OF CALIFORNIA AS WELL. 

ELSEWHERE...FRESH TO STRONG TRADES CONTINUE GENERALLY N OF 5N 
AND S OF BOUNDARY LAYER HIGH PRES ALONG 130W. QUIKSCAT AND SHIP 
OBSERVATIONS SHOW NEAR GALE SELY WINDS ON THE E SIDE OF THIS 
RIDGE AHEAD OF STRONG FRONTAL BOUNDARY TO THE NW...GENERALLY N 
OF 26N AND W OF 15W. FURTHER E...QUIKSCAT DATA SHOW FRESH ELY 
WINDS PERSISTING IN GULF OF PAPAGAYO AREA.

LOOKING AHEAD A COUPLE OF DAYS...WINDS AROUND BAJA WILL 
GRADUALLY SUBSIDE AS RIDGING SHIFTS E...BUT LARGE NWLY SWELL 
WILL PERSIST. TRADES WILL DIMINISH SLIGHTLY IN INTENSITY AND 
COVERAGE...AND FRESH ELY WINDS WILL PERSIST INTO PACIFIC WATERS 
FROM THE PAPAGAYO AREA. REMNANT NELY AND NWLY LARGE SWELL WILL 
CONTINUE MAINLY W OF 100W. 

$$
CHRISTENSEN