000
AXPZ20 KNHC 172122
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC THU MAY 17 2007

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W. 

BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2030 UTC.

...ITCZ...
ITCZ AXIS IS CENTERED ALONG 6N77W 9N93W 11N120W 5N140W. 
SCATTERED MODERATE ISOLATED STRONG IS WITHIN 60 NM OF AXIS 
BETWEEN 78W AND 83W. SCATTERED MODERATE IS FROM 6N TO 9N BETWEEN 
92W AND 99W.

...DISCUSSION...
UPPER LEVELS...
SW WINDS NEAR 100 KT THROUGHR 15N128W AND SRN BAJA. 
UPPER CONFLUENCE TO THE N OF THE JET AXIS IS HELPING TO SINK AND 
STABILIZE THE ATMOSPHERE ACROSS THE NE PART OF THE DISCUSSION 
AREA. UPPER DIFFLUENCE AND MOIST S-SWLY FLOW S OF THE JET AXIS 
IS DRAWING MOISTURE FROM THE ITCZ AND ADVECTING IT TOWARD THE 
MEXICAN COAST.

LOW LEVELS...
A NEARLY STATIONARY 1025 MB HIGH CENTERED NEAR 31N135W DOMINATES 
THE AREA. A GALE WARNING IS OVER THE GULF OF TEHUANTEPEC. WINDS 
ARE N 25 TO 35 KT AND WILL REMAIN FOR SOME TIME.  ELSEWHERE NE 
TO E TRADES PREDOMINATE.

$$
FET