000
AXPZ20 KNHC 181536
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC MON FEB 18 2008

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

BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.
 
...ITCZ...
ITCZ AXIS ALONG THE LINE...3N77W 4N105W 6N125W 4N140W.
SCATTERED MODERATE CONVECTION IS WITHIN 75 NM OF THE POINT 
5N114W. SCATTERED MODERATE WITH ISOLATED STRONG CONVECTION IS 
WITHIN 75 NM OF THE POINT 6N123W.

...DISCUSSION...
UPPER LEVELS...
NARROW MAINLY UPPER TROUGH IS ALONG LINE 32N120W 15N140W. TROUGH 
IS FORECAST TO MOVE EAST AND IN 48 HOURS EXTEND FROM SOUTHERN 
BAJA PENINSULA TO NEAR 5N140W. THE REGION WITHIN 240 NM EITHER 
SIDE OF THE TROUGH IS MOIST IN THE MIDDLE AND UPPER LEVEL BUT 
ONLY A FEW SMALL AREAS OF CLOUDS ARE SEEN ON THE SATELLITE 
IMAGERY. A MAINLY MIDDLE LEVEL SHORTWAVE IS NORTHWEST OF THE 
AREA MOVING EAST AND WILL PASS JUST NORTH OF THE ARE IN THE NEXT 
48 HOURS. A SURFACE FRONT WILL IMPACT THE NORTHWEST PART OF THE 
AREA FOR THE NEXT 24 HOURS ASSOCIATED WITH THIS FEATURE. 

REMAINDER OF THE MIDDLE AND UPPER LEVELS IS COVERED BY BROAD 
ANTICYCLONIC FLOW.

MULTI LEVEL CLOUDS WITH SOME EMBEDDED CONVECTION IS EAST OF 95W.

SURFACE...
WEAK RIDGE IS NORTH OF 10N WEST OF 113W. REMAINDER OF THE AREA 
IS ANALYZED AS BROAD TROUGH.

GAP WINDS WILL BEGIN IN THE GULF OF PAPAGAYO REGION IN THE NEXT 
24 HOURS.

$$
LL