000
AXPZ20 KNHC 070412
TWDEP 

TROPICAL WEATHER DISCUSSION     
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC WED MAR 07 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0345 UTC.

...ITCZ...
AXIS ALONG 6N77W 4N85W 7N89W 4N100W 7N118W 3N132W 4N140W. 
SCATTERED MODERATE WITHIN 30 NM OF AXIS FROM 88W TO 93W.

SHORT WAVE TROUGH EXTENDING FROM 30N126W TO 20N122W. 80 KT SW 
FLOW E OF THE TROUGH IS BRINGING MID AND HIGH LEVEL MOISTURE 
OVER BAJA CALIFORNIA AND CENTRAL MEXICO. MEANWHILE SHIP 
OBSERVATIONS AND MORNING QUIKSCAT DATA SHOW A WEAK SURFACE 
TROUGH EXTENDING FROM 26N124W TO 22N126W ASSOCIATED WITH THE 
UPPER FEATURE. IN ADDITION...THE UPPER NW FLOW BEHIND THE SHORT 
WAVE IS ALLOWING A COLD FRONT TO MOVE INTO THE AREA...EXTENDING 
FROM 30N137W TO 28N140W. THE FRONT WILL WEAKEN OVER THE NEXT 24 
HOURS AS THE UPPER SUPPORT LIFTS OUT. 1023 MB SFC HIGH PRES WILL 
BUILD NEAR 29N127W THROUGH WED.

GULF OF TEHUANTEPEC...EARLY EVENING QUIKSCAT SHOWED 35 TO 40 KT 
WINDS IN TEHUANTEPEC AREA...DOWN FROM STORM FORCE WINDS EARLIER 
THIS MORNING. WINDS WILL SUBSIDE THROUGH EARLY EVENING TO GALE 
FORCE AS HIGH PRES OVER GULF OF MEXICO WEAKENS AND SHIFTS E. 
EXPECT BELOW GALE FORCE WINDS WED.

EVENING QUIKSCAT AND LAND BASED SURFACE OBSERVATIONS SHOW FRESH 
ELY WINDS CONTINUING THROUGH GULF OF PAPAGAYO AND GULF OF 
FONSECA. HOWEVER...EXPECT THESE WINDS TO GRADUALLY DIMINISH 
THROUGH WED AS ELY WINDS SUBSIDE OVER WRN CARIBBEAN.

$$
CHRISTENSEN