000
AXPZ20 KNHC 131519
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC FRI JUN 13 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...
INTERTROPICAL CONVERGENCE ZONE IS CENTERED ALONG...06N77W TO 
06N105W TO 06N125W TO 05N140W.
SCATTERED MODERATE TO STRONG CONVECTION IS WITHIN 75 NM OF THE 
POINT 07N79.5W. SCATTERED MODERATE WITH ISOLATED STRONG 
CONVECTION IS WITHIN THE AREA 120 NM EITHER SIDE OF THE AXIS 
FROM 87W TO 105W. SCATTERED MODERATE CONVECTION IS WITHIN THE 
AREA 120 NM EITHER SIDE OF THE AXIS FROM 123W TO 132W.

...DISCUSSION...
BROAD MAINLY UPPER LEVEL ANTICYCLONIC FLOW COVERS THE AREA TO 
THE SW OF THE LINE 18N140W TO 00N100W. UPPER LEVEL MOISTURE FROM 
ITCZ CONVECTION IS BEING ADVECTED SOUTH TOWARD THE EQUATOR IN 
THIS AREA. BROAD WEAKLY DIFLUENT ANTICYCLONE IS OVER THE SE PART 
OF THE AREA SOUTH OF 13N EAST OF 105W. ITCZ CONVECTION IN THIS 
AREA IS ENHANCED BUT SHOWS NO SIGNS OF ORGANIZATION AT THIS TIME 
A WEAK CYCLONIC FLOW IN THE LOWER LEVELS IS NOTED NEAR 07N99W. 
THE GFS MODEL WEAKLY DEVELOPS THIS SYSTEM AND MOVES IT SLOWLY 
WEST TO NORTHWEST.

MIDDLE AND UPPER CYCLONIC CIRCULATION IS CENTERED NEAR 23N123W 
AND IS MOVING NORTHWEST 10-15 KT. THE AREA IS DRY AND CLOUD FREE 
IN THE MIDDLE AND UPPER LEVELS WITH NO ASSOCIATED WEATHER. 

REMAINDER OF THE MIDDLE AND UPPER LEVELS IS WEAKLY CYCLONIC 
FLOW.

LARGE AREA OF OVERCAST STRATOCUMULUS IS NORTH OF 15N WEST OF 
125W AND NORTH OF 22N EAST OF 125W.

WEAK SURFACE TROUGH OVER GULF OF CALIFORNIA. ELSEWHERE NORTH OF 
10N WEST OF 107W WEAK RIDGE IS ANALYZED. REMAINDER OF THE AREA 
IS ANALYZED AS WEAK TROUGH.

GAP WINDS OF UP TO 20 KNOTS ARE IN THE GULF OF PAPAGAYO REGION 
AND THESE WINDS ARE EXPECTED TO CONTINUE THROUGH 48 HOURS.

$$
LL