000
AXPZ20 KNHC 180952
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL                       
1005 UTC FRI JUL 18 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 12N-9N ALONG 95Q. NO SIGNIFICANT DEEP 
CONVECTION IS ASSOCIATED WITH THE WAVE. 

TROPICAL WAVE EXTENDS FROM 10N117W TO 8N118W. THERE ARE A FEW 
SHOWERS ALONG THE WAVE AXIS. 
 
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...  
 
MONSOON TROUGH FROM 7N81W TO 7N100W TO 10N115W TO 7N125W TO 
10N131W. NUMEROUS STRONG CONVECTION N OF 6N E OF 85W. SCATTERED 
MODERATE TO STRONG CONVECTION WITHIN 180 NM N OF AXIS FROM 96W 
TO 100W AXIS FROM AND FROM 5N-9N BETWEEN 107W AND 116W.
      
...DISCUSSION...                                                
   
AN INVERTED UPPER LEVEL TROUGH ACROSS THE FAR NW PORTION OF THE 
AREA WITH AXIS FROM 29N140W TO 32N131W. A WEAK 75 KT JETSTREAM 
IS S OF THE TROUGH AXIS FROM 25N140W TO 28N132W. A LARGE AREA OF 
DRY AND STABLE AIR AT THE MIDDLE AND UPPER LEVELS IS N OF 20N W 
OF 120W. AN UPPER LEVEL ANTICYCLONIC CIRCULATION IS CENTERED 
NEAR 14N128W WITH A RIDGE EXTENDING N TO 28N126W. ANOTHER RIDGE 
EXTENDS FROM THE ANTICYLONE TO 10N117W.

TROPICAL STORM WALI IN THE CENTRAL PACIFIC IS JUST WEST OF OUR 
WESTERN BORDER NEAR 14.1N 141.6W. THIS IS PRODUCING ELY WINDS 2O 
TO 30 KT FROM 12N-17N W OF 138W AND SEAS 8 TO 11 FT. THESE HIGH 
WINDS AND SEAS SHOULD MOVE WESTWARD 18 HOURS. OTHERWISE A 
SURFACE HIGH PRES RIDGE IS ACROSS THE AREA N OF 17N W OF 
115W...WITH WINDS 15 KT OR LESS.

$$ 
DGS