000
AXPZ20 KNHC 162140
TWDEP 

TROPICAL WEATHER DISCUSSION     
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC FRI MAR 16 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 
2045 UTC.

...ITCZ...

ITCZ AXIS 4N77W 5N95W 1N140W. SCATTERED 
MODERATE 60 NM WIDE 90W TO 98W.

...DISCUSSION...

UPPER LEVELS..
AN UPPER SHORTWAVE TROUGH 32N130W TO 26N120W IS MOVING RAPIDLY 
NNE. A CYCLONE SEEM TO BE FORMING AT THE BOTTOM OF THE TROUGH 
AND MOVING N. ANOTHER SHORTWAVE EXTENDS THROUGH 22N140W TO 
15N133W MOVING NE. A N/S RIDGE EXTENDS FROM MEXICO TO 12M100W.

SURFACE...
A BROAD RIDGE DOMINATES THE AREA WITH THE AXIS FROM 32N133W TO 
12N110W.

A GALE EVENT IS EXPECTED OVER THE GULF OF TEHUANTEPEC IN 12 
HOURS FROM 1800 UTC TODAY. WINDS WILL INCREASE TO 20 KT WITHIN 
6 HOURS.

NE WINDS 15 TO 20 KT CONTINUE IN AND DOWNSTREAM OF THE GULF OF 
PAPAGAYO. NLY WINDS MOSTLY 15 KT IN THE GULF OF PANAMA. 

$$
FETT