000
AXPZ20 KNHC 180235
TWDEP 

TROPICAL WEATHER DISCUSSION     
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SUN MAR 18 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 
0245 UTC.

...ITCZ...

ITCZ AXIS 6N77W 4N100W 5N110W 3N140W. SCATTERED MODERATE 
CONVECTION 120 NM WIDE FROM 103W TO 110W.


...DISCUSSION...
 
UPPER LEVEL...
DEEP TROUGH W OF THE AREA IS MOVING E 15 TO 20 KT. A SHORTWAVE 
TROUGH N OF 27N HAS ENTERED MEXICO.TROPICAL MOISTURE IS E OF 
120W AND BEING ADVECTED INTO BAJA CALIFORNIA AND MEXICO. A 
RIDGE EXTENDS FROM 32N122W TO 20N113W.
MOSTLY DRY CONDITIONS ELSEWHERE OVER THE AREA.

SURFACE...
A BROAD RIDGE DOMINATES THE AREA WITH THE AXIS FROM 32N130W TO 
19N114W.
A TROUGH WITH SCATTERED CONVECTION WITHIN 80 NM OF THE AXIS IS 
FROM 6N113W TO 11N113W.

A GALE EVENT ITEHUANTEPEC  WITH N TO NE WINDS 30 TO 35 KT SEAS 8 
TO 12 FT WILL END IN 18 HOURS.

$$
FETT