000
AXPZ20 KNHC 281005
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC THU OCT 28 2010

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W.

BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY
THROUGH 0900 UTC.

...THE ITCZ...
10N95W 9N105W 13N116W 12N123W 8N140W. SCATTERED MODERATE TO 
STRONG RAINSHOWERS AND THUNDERSTORMS ARE FROM 06N TO 07N BETWEEN 
78W AND 82W. SCATTERED MODERATE RAINSHOWERS TO ISOLATED STRONG 
THUNDERSTORMS ARE FROM 07N TO 10N BETWEEN 90W AND 102W...FROM 
11N TO 13N BETWEEN 105W AND 112W. A 1012 MB LOW PRESSURE CENTER 
IS NEAR 13N119W. SCATTERED STRONG RAINSHOWERS AND THUNDERSTORMS 
ARE FROM 11N TO 12N BETWEEN 121W AND 122W.

...DISCUSSION...
A DEEP LAYER TROUGH IS IN THE NORTHWESTERN CORNER OF THE AREA.
THE TROUGH IS ALONG 33N137W TO 31N136W BEYOND 27N140W. A COLD 
FRONT PASSES THROUGH 30N133W BEYOND 27N140W. BROKEN TO OVERCAST 
MULTILAYERED CLOUDS AND POSSIBLE PRECIPITATION ARE ALONG AND TO 
THE NORTHWEST OF THE FRONT. THE FORECAST CALLS FOR WIND SPEEDS
LESS THAN 20 KT TO THE NORTHWEST OF THE FRONT. SEA HEIGHTS 
ULTIMATELY WILL MAY RANGE FROM 10 FEET TO 15 FEET IN 
NORTHWESTERLY SWELL BEHIND THE FRONT.

GAP WINDS...
THE NEXT GALE EVENT IS FORECAST TO OCCUR IN 24 HOURS.
NORTHERLY WINDS WILL SURGE ACR0SS THE ISTHMUS OF TEHUANTEPEC
WITH A COLD FRONT THAT WILL BE MOVING ACROSS THE GULF OF MEXICO.
THE AREA FOR THE GALE WIND EVENT STARTS TO THE NORTH OF 14N
BETWEEN 94W AND 96W...EXPANDING TO BE WITHIN 45 NM ON EITHER 
SIDE OF THE LINE FROM 16N95W 14N95W 13N96W BY 48 HOURS. THE
SEA HEIGHTS WILL RANGE FROM 10 FT TO 13 FT DURING THE PERIOD.

$$
MT