000
AXPZ20 KNHC 110907
TWDEP 

TROPICAL WEATHER DISCUSSION                                     
NWS NATIONAL HURRICANE CENTER MIAMI FL                          
1005 UTC FRI JUL 11 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...                           

TROPICAL WAVE EXTENDS FROM 17N108W TO 10N110W MOVING W AT 15 KT. 
NO SIGNIFICANT CONVECTION ALONG THE WAVE.
 
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...  
 
MONSOON TROUGH FROM 7N77W TO 7N92W. ITCZ EXTENDS FROM 7N92W TO 
10N110W TO 6N125W TO 8N135W. NUMEROUS MODERATE TO STRONG 
CONVECTION WITHIN 90 NM N AND 150 NM S OF AXIS FROM 94W-102W AND 
FROM 7N-12N BETWEEN 109W-117W. 
        
...DISCUSSION...                                                
AN UPPER LEVEL TROUGH IN THE FAR NW PORTION OF THE DISCUSSION 
AREA WITH AXIS FROM 32N137W TO 30N140W. BROKEN HIGH CLOUDS ARE 
WITHIN 120 NM SE OF THE TROUGH...OTHERWISE STRONG SUBSIDENCE 
WITH DRY AND STABLE AIR AT THE MIDDLE LEVELS IS N OF 16N W OF 
116W. AN UPPER LEVEL ANTICYCLONIC CIRCULATION IS CENTERED NEAR 
16N112W WITH A RIDGE EXTENDING NE TO THE SOUTHERN GULF OF 
CALIFORNIA. UPPER LEVEL DIFFLUENT FLOW IS ENHANCING CONVECTION 
FROM 5N-11N BETWEEN 95W AND 116W.
                                         
GULF OF PAPAGAYO...STRONG CARIBBEAN TRADEWINDS WILL INDUCE 
ANOTHER GULF OF PAPAGAYO GAP WIND EVENT LATER TONIGHT THROUGH 
EARLY FRI...THEN AGAIN LATE FRI NIGHT INTO EARLY SAT WITH 
NOCTURNAL DRAINAGE FLOW. SEAS WILL BUILD TO 8-10 FT DURING THE 
STRONGEST WINDS.

GULF TEHUANTEPEC...AN ENHANCED PRESSURE GRADIENT FROM THE SW 
GULF OF MEXICO TO THE GULF OF TEHUANTEPEC WILL INDUCE A GAP WIND 
EVENT STARTING LATE FRI NIGHT. WINDS WILL PEAK AT AROUND 30 KT 
DURING THE EARLY MORNING HOURS.
                               
$$ 
DGS