000
AXPZ20 KNHC 120904
TWDEP 

TROPICAL WEATHER DISCUSSION                                     
NWS NATIONAL HURRICANE CENTER MIAMI FL                          
1005 UTC SAT JUL 12 2014

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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.
     
...TROPICAL WAVES...                           

THE SOUTHERN PORTION OF A TROPICAL WAVE HAS MOVED FROM THE SW 
CARIBBEAN SEA INTO THE E PACIFIC EXTENDING N OF 9N ALONG 89W. 
THE WAVE IS MOVING W AT AROUND 20 KT. NO SIGNIFICANT CONVECTION 
WITH THE WAVE.

TROPICAL WAVE EXTENDS FROM 17N116W TO 8N118W MOVING W AT 10-15 
KT. NEARBY CONVECTION IS DESCRIBED IN THE ITCZ SECTION BELOW. 

TROPICAL WAVE FROM 18N126W. NO SIGNIFICANT CONVECTION WITH THE 
WAVE.
 
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...  
 
MONSOON TROUGH EXTENDS FROM 9N84W TO 7N94W TO 6N107W. ITCZ 
EXTENDS FROM 6N107W TO 11N120W TO 5N130W TO 7N138W. SCATTERED 
MODERATE TO STRONG CONVECTION WITHIN 180 NM N OF AXIS FROM 117W 
TO 124W AND WITHIN 300 NM N OF AXIS FROM 131W-134W.
        
...DISCUSSION...                                                

A SHARP UPPER LEVEL TROUGH IN THE FAR NW PORTION OF THE 
DISCUSSION AREA WITH AXIS FROM 32N137W TO 26N140W. BROKEN HIGH 
CLOUDS ARE WITHIN 280 NM SE OF THE TROUGH...OTHERWISE STRONG 
SUBSIDENCE WITH DRY AND STABLE AIR AT THE MIDDLE LEVELS IS N OF 
18N W OF 115W. AN UPPER LEVEL ANTICYCLONIC CIRCULATION IS 
CENTERED NEAR 13N119W WITH A RIDGE EXTENDING NE TO 19N108W. 
ANOTHER RIDGE EXTENDS FROM THE ANTICYCLONE W TO 14N136W. UPPER 
LEVEL DIFFLUENT FLOW WITH THE ANTICYCLONE IS ENHANCING 
CONVECTION FROM 11N-14N BETWEEN 115W-123W.
                                         
GULF OF PAPAGAYO...STRONG CARIBBEAN TRADEWINDS WILL INDUCE 
ANOTHER GULF OF PAPAGAYO GAP WIND EVENT LATER THIS MORNING. ELY 
WINDS WILL INCREASE TO 20-30 KT AND WILL BUILD 8-10 FT. WINDS 
AND SEAS WILL DECREASE SUN. 

GULF TEHUANTEPEC...AN ENHANCED PRESSURE GRADIENT FROM THE SW 
GULF OF MEXICO TO THE GULF OF TEHUANTEPEC HAVE INCREASED NLY 
WINDS TO 20-30 KT WITH SEAS 8-11 FT. WINDS WILL DECREASE TO 20-
25 KT AND SEAS WILL SUBSIDE TO 8 FT. SUN. 
             
$$ 
DGS