000
AXPZ20 KNHC 070245
TWDEP 

TROPICAL WEATHER DISCUSSION                                      
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
0405 UTC FRI AUG 7 2015

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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0200 UTC.               
   
...SPECIAL FEATURE...

TROPICAL STORM HILDA IS LOCATED NEAR 12.7N 134.6W AT 0300 UTC. 
THE ESTIMATED CENTER PRESSURE IS 999 MB. MAXIMUM SUSTAINED WINDS 
ARE 50 KT WITH GUSTS TO 60 KT. THE SYSTEM HAS SHOWN A MARKED 
INCREASE IN CONVECTIVE ORGANIZATION DURING THE PAST 12-24 HOURS. 
NUMEROUS MODERATE TO STRONG CONVECTION IS WITHIN 90 NM OF THE 
CENTER. HILDA IS FORECAST TO CONTINUE TO DEVELOP...AND BECOME A 
HURRICANE IN ABOUT 24 HOURS. REFER TO LATEST FORECAST ADVISORIES 
ISSUED UNDER AWIPS/WMO HEADERS MIATCMEP5 AND WTPZ35 FOR MORE 
DETAILS.

...TROPICAL WAVES...

A TROPICAL WAVE ALONG 100W FROM 08N-14N IS MOVING W AT 10-15 KT. 
ISOLATED CONVECTION NEAR THE CONVERGENCE ZONE AXIS.

A TROPICAL WAVE ALONG 120W FROM 10N-17N IS MOVING W AT 10-15 KT. 
ISOLATED CONVECTION NEAR THE WAVE AXIS FROM 13N-15N.
  
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...            

A MONSOON TROUGH EXTENDS FROM 10N85W TO 08N92W TO 12N118W TO LOW 
PRES NEAR 10N123W 1007 MB. SCATTERED MODERATE CONVECTION WITHIN 
45 NM N AND 120 NM S OF THE TROUGH AXIS BETWEEN 87W-98W...AND 
FROM 09N-12N BETWEEN 116W-122W.

...DISCUSSION...

A BROAD RIDGE EXTENDS SE FROM 33N140W TO 21N115W. THE PRESSURE 
GRADIENT N OF T.S. HILDA IS SUPPORTING FRESH TO OCCASIONALLY 
STRONG E-NE TRADE WINDS. ASCAT DATA AT 1925 UTC SHOWED AN AREA 
OF 20 KT WINDS FROM 15N-21N BETWEEN 130W-138W. MODERATE TO FRESH 
NW WINDS ARE EVIDENT N OF 27N NEAR THE BAJA PENINSULA. GENTLE TO 
MODERATE WINDS PREVAIL ELSEWHERE OVER THE REGION...EXCEPT FOR AN 
AREA OF FRESH-STRONG NE WINDS E OF 88W...INCLUDING THE GULF OF 
PAPAGAYO...DEPICTED IN SCATTEROMETER DATA. E-NE WINDS TO 25 KT 
WILL CONTINUE INTO FRI MORNING IN PAPAGAYO...WITH 6-7 FT WIND 
WAVES MIXING WITH LINGERING LONG PERIOD CROSS-EQUATORIAL SWELL. 
WINDS WILL DECREASE TO LESS THEN 20 KT BY FRI EVENING.

$$
MUNDELL