000
AXPZ20 KNHC 132124
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC FRI JUN 13 2008

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 
2100 UTC.

...ITCZ...
INTERTROPICAL CONVERGENCE ZONE IS CENTERED ALONG...06N77W TO 
08N94W TO 05N104W TO 08N120W TO 07N130W TO 06N140W. SCATTERED 
MODERATE TO ISOLATED STRONG CONVECTION IS FROM 04N TO 07N 
BETWEEN 80W AND 87W...WITHIN 125 NM OF LINE FROM 03N105W TO 
09N102W...WITH CLUSTERS FROM 05N TO 10N BETWEEN 120W AND 
136W...WITHIN 150 NM N OF THE ITCZ FROM 88W TO 92W.  

...DISCUSSION...
E OF 110W...
FRESH TO STRONG EASTERLY WINDS ACROSS THE CARIBBEAN ARE 
GENERATING GAP WINDS OF UP TO 20 KNOTS IN THE GULF OF PAPAGAYO 
REGION. UPPER RIDGE ANCHORED OVER NICARAGUA WITH THE RIDGE AXIS 
EXTENDING W TO 105W IS PROVIDING DIFFLUENCE ALOFT TO ENHANCE THE 
CONVECTION WITHIN THE ITCZ. A SURFACE TROUGH IS EMBEDDED WITHIN 
THE ITCZ ALONG 99W FROM 3N TO 10N FURTHER ENHANCING THE 
CONVECTION TO THE W OF THE TROUGH AXIS. 

W OF 110W...
AN UPPER LOW IS OFF THE W COAST OF BAJA NEAR 24N114W MOVING NW 
ALONG THE BAJA COAST BUT IS EMBEDDED WITHIN MODERATE TO STRONG 
SUBSIDENCE AND DRY AIR. AN UPPER RIDGE ANCHORED W OF THE AREA 
COVERS THE SW PORTION OF THE AREA PROVIDING DIFFLUENCE ALOFT TO 
ENHANCE THE CONVECTION WITHIN THE ITCZ W OF 120W. A SURFACE 
TROUGH IS EMBEDDED WITHIN THE ITCZ ALONG 123W FROM 06N TO 11N 
FURTHER ENHANCING THE CONVECTION TO THE W OF THE TROUGH AXIS. A 
SURFACE RIDGE EXTENDS FROM A 1034 MB HIGH N OF THE REGION NEAR 
42N142W WITH THE RIDGE AXIS EXTENDING SE TO 20N120W. FRESH TO 
STRONG WINDS ARE N OF THE REGION BUT ARE PUSHING SWELLS S OVER 
THE NW PORTION OF THE REGION. 

FRESH TO STRONG WINDS ARE ALSO S OF THE REGION AND ARE PUSHING 
SWELLS N ACROSS THE EQUATOR OVER A GOOD PORTION OF THE AREA S OF 
10N. 

$$
WALLACE