000
AXPZ20 KNHC 070959
TWDEP 

TROPICAL WEATHER DISCUSSION                                      
NWS NATIONAL HURRICANE CENTER MIAMI FL                           
1005 UTC FRI JUN 07 2013

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 
0830 UTC.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS FROM 10N86W TO 13N91W TO 13N100W TO LOW PRES
CENTER 1008 MB AT 11N106W TO 10N117W TO 08N122W THEN ITCZ AXIS
FROM 07N134W TO BEYOND 08N140W. SCATTERED MODERATE ISOLATED STRONG
WITHIN 120 NM OF AXIS FROM 104W TO 111W.

...DISCUSSION...                                                
VERY LARGE MID TO UPPER LEVEL RIDGE COVER BASIN N OF 12N FROM 100W
TO 122W.  VERY DRY AIR MASS ALOFT CAPS CLOUD VERTICAL DEVELOPMENT
ALLOWING BROKEN TO OVERCAST STRATIFIED LOW CLOUDS.  RIDGE PROMOTES 
AREA OF UPPER LEVEL DIVERGENT FLOW THAT ENHANCES SCATTERED
MODERATE ISOLATED STRONG CONVECTION NEAR SURFACE LOW PRES CENTER
1008 MB AT 11N106W.  ABUNDANT TROPICAL MOISTURE ALONG MONSOON 
TROUGH E OF 105W REMAINS OVER STEADY NE WIND WITH ONLY ISOLATED
MODERATE CONVECTION NOTED.  SUBSIDING AIR MASS W OF 118W CURTAILS
ANY SIGNIFICANT CONVECTION...EXCEPT NEAR 140W WHERE MODERATE UPPER
LEVEL DIVERGENT FLOW ENHANCES SCATTERED MODERATE TO STRONG
CONVECTION. 
  
...ELSEWHERE AT THE LOWER LEVELS...
WEAKENING HIGH PRES CENTER AT 36N140W STILL ABLE TO FORCE FRESH
TO STRONG WINDS AGAINST COAST OF BAJA CALIFORNIA N OF 27N E OF
117W.  CENTER MOVES NE EARLY TODAY DIMINISHING WINDS ALTHOUGH 
LINGERING NW SWELL REMAIN THROUGH LATE AFTERNOON. 

LONG PERIOD CROSS EQUATORIAL SW SWELL PROPAGATE NE ACROSS E PAC E
OF 120W AS IT CONTINUES TO SUBSIDE TO BELOW 8 FT BY LATE IN
FORECAST PERIOD. .

$$
WALLY BARNES