000
AXPZ20 KNHC 272130
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC MON AUG 27 2012

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 FEATURES...

TROPICAL DEPRESSION NINE-E IS CENTERED NEAR 15.1N 107.0W AT 
27/2100 UTC OR ABOUT 280 NM SW OF MANZANILLO MEXICO MOVING WNW 
AT 11 KT. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1006 MB. MAXIMUM 
SUSTAINED WIND SPEED IS 30 KT WITH GUSTS TO 40 KT. SCATTERED 
MODERATE CONVECTION IS FROM 11N TO 18N BETWEEN 104W AND 111W. 
SEE LATEST NHC FORECAST/ADVISORY UNDER AWIPS/WMO HEADERS 
MIATCMEP4/WTPZ24 KNHC FOR MORE DETAILS.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

THE MONSOON TROUGH IS ALONG 08N78W TO 14N95W THEN RESUMES NEAR 
13N110W TO 10N117W TO 1010 MB LOW PRES NEAR 10N127W TO 1011 MB 
LOW PRES NEAR 11N134W TO 08N140W. SCATTERED MODERATE AND 
ISOLATED STRONG CONVECTION IS FROM 09N TO 14N BETWEEN 95W AND 
103W. SCATTERED MODERATE CONVECTION IS FROM 08N TO 12N BETWEEN 
110W AND 122W.

...DISCUSSION...

1021 MB HIGH PRESSURE IS CENTERED NEAR 31N129W WITH A BROAD 
RIDGE AXIS EXTENDING SE OF THE HIGH THROUGH 25N121W TO 21N111W. 
TO THE NORTH...A WEAKENING STATIONARY FRONTAL BOUNDARY EXTENDS 
FROM 33N132W TO 31N142W TO 32N150W AND IS EXPECTED TO CONTINUE 
DISSIPATING OVER THE NEXT 24 HOURS. MAINLY LIGHT TO MODERATE 
ANTICYCLONIC WINDS COVER THE WATERS N OF 12N UNDER THIS RIDGING 
AS INDICATED BY A RECENT 27/1752 UTC ASCAT PASS.

IN THE AREA SURROUNDING TROPICAL DEPRESSION NINE-E...MIDDLE TO 
UPPER LEVEL DYNAMICS REMAIN FAVORABLE FOR THE DEPRESSION TO 
GRADUALLY STRENGTHEN OVER THE NEXT 36 TO 48 HOURS AS THE CYCLONE 
MOVES WNW. SOUTH-SOUTHWESTERLY WINDS IN THE RANGE OF 20 TO 25 KT 
SOUTH OF THE CYCLONE FROM 06N TO 12N BETWEEN 102W AND 122W 
CONTINUE TO MAINTAIN SEAS IN THE 8 TO 10 FT RANGE. 

TOWARDS THE END OF THE FORECAST PERIOD BEGINNING EARLY 
WEDNESDAY...LONG PERIOD CROSS-EQUATORIAL SOUTHERLY SWELLS TO 9 
FT WILL COVER THE WATERS S OF 04N BETWEEN 110W AND 135W.

$$
HUFFMAN