000
AXPZ20 KNHC 062130
TWDEP 

TROPICAL WEATHER DISCUSSION                                      
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
2205 UTC THU AUG 6 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2100 UTC.               
   
...SPECIAL FEATURE...

TROPICAL STORM HILDA IS LOCATED NEAR 12.7N 133.4W  AT 2100 UTC. 
THE ESTIMATED CENTER PRESSURE IS 1001 MB. MAXIMUM SUSTAINED 
WINDS ARE 50 KT WITH GUSTS TO 60 KT. THE SYSTEM HAS SHOWN A 
SIGNIFICANT INCREASE IN CONVECTIVE ORGANIZATION DURING THE PAST 
12 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 98W FROM 08N-16N IS MOVING W AT 10-15 KT. 
NO SIGNIFICANT CONVECTION.

A TROPICAL WAVE ALONG 120W FROM 10N-17N IS MOVING W AT 10-15 KT. 
NO SIGNIFICANT CONVECTION.
  
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...            

A MONSOON TROUGH EXTENDS FROM 09N84W TO 08N95W TO 11N117W TO 
10N123W. SCATTERED MODERATE ISOLATED STRONG CONVECTION IS WITHIN 
45 NM N AND 120 NM S OF THE TROUGH BETWEEN 85W-96W. SCATTERED 
MODERATE CONVECTION IS WITHIN 150 NM N AND 60 NM S OF THE TROUGH 
BETWEEN 101W-111W...AND FROM 08N-11N BETWEEN 117W-126W.

...DISCUSSION...

A BROAD SURFACE RIDGE EXTENDS SE FROM 34N140W TO 20N115W. THE 
PRESSURE GRADIENT N OF T.S. HILDA IS SUPPORTING FRESH TO 
OCCASIONALLY STRONG E-NE TRADE WINDS FROM 15N-21N BETWEEN 130W-
138W...INDICATED IN LATEST ASCAT SCATTEROMETER PASS AT 1825 UTC. 
MODERATE TO FRESH NW WINDS ARE EVIDENT N OF 28N E OF 120W TO THE 
BAJA PENINSULA. GENTLE TO MODERATE WINDS PREVAIL ELSEWHERE OVER 
THE REGION...EXCEPT FOR AN AREA OF FRESH TO STRONG NE GAP WINDS 
IN THE GULF OF PAPAGAYO. E-NE WINDS TO 25 KT WILL CONTINUE INTO 
FRI MORNING IN THIS AREA...WITH 7-8 FT WIND WAVES MIXING WITH 
LONG PERIOD CROSS-EQUATORIAL SWELL. WINDS WILL DECREASE TO LESS 
THEN 20 KT BY FRI EVENING.

$$
MUNDELL