000
AXPZ20 KNHC 130330
TWDEP 

TROPICAL WEATHER DISCUSSION 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0405 UTC SUN MAR 13 2016

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
0230 UTC.              
 
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...      
THE ITCZ EXTENDS FROM 05.5N83.5W TO 06N103W TO 01.5N113W TO
00N135W TO 00.5N140W. ISOLATED TO WIDELY SCATTERED MODERATE TO
STRONG WITHIN 60 NM OF AXIS BETWEEN 85W AND 105W...AND WITHIN
120 NM N OF AXIS BETWEEN 110W AND 132W.

...DISCUSSION...                                               
A COLD FRONT HAS MOVED SE ACROSS THE NORTH HALF OF BAJA
CALIFORNIA AND THE GULF OF CALIFORNIA DURING THE PAST 18 HOURS
OR SO...AND EXTENDS FROM 28N111W IN CENTRAL SONORA MEXICO...SW
ACROSS THE NORTHERN GULF OF CALIFORNIA AND BAJA CALIFORNIA TO
24N113.5W TO 22N120W THEN CONTINUES AS A WEAKENING STATIONARY
FRONT TO BEYOND 18.5N140W. EARLY AFTERNOON SCATTEROMETER DATA
INDICATED FRESH NORTHERLIES AROUND 20 KT N OF THE FRONT ACROSS
THE WATERS OFF OF BAJA CALIFORNIA...WHICH HAVE INCREASED TO 20-
25 KT THIS EVENING...WHICH WILL GENERALLY PREVAIL THROUGH LATE
MONDAY. MODERATE TO FRESH NE TRADEWINDS WERE NOTED S OF THE
FRONT TO ABOUT 04N W OF 115W. THE STRONGEST WINDS OF 20 TO 25 KT
COVERED FROM 08N TO 18N W OF 131W WITH SEAS 8 TO 10 FT IN NW
SWELL. THIS AREA OF FRESH TRADEWINDS IS EXPECTED TO PERSIST
ACROSS THE WEST-CENTRAL WATERS THROUGH MON MORNING AS A SURFACE
RIDGE EXTENDS TO FROM WEST TO EAST ACROSS NW PORTIONS OF THE
AREA. 

ON SUN...AS THE RIDGE AXIS HOLDS ALONG 27N...A TRAILING FRONTAL
TROUGH WILL SWEEP ACROSS THE NORTHERN BORDER OF THE DISCUSSION
AREA AND INTRODUCE ANOTHER PULSE OF LARGE NW SWELL SPREADING
INTO THE AREA...WITH SEAS BUILDING TO 12-15 FT ON SUN...AND A
LARGER AREA OF GENERALLY SUBSIDING SEAS IN A RANGE OF 12 TO 14
FT ON MON. MEANWHILE...ACROSS THE SOUTHERN PORTION OF THE
DISCUSSION AREA LONG PERIOD CROSS-EQUATORIAL SW SWELL IS
EXPECTED TO PROPAGATE TOWARD AND REACH THE SOUTHERN MEXICO AND
CENTRAL AMERICA COAST BY SUN NIGHT.

GAP WIND AREAS...FRESH OFFSHORE NE TO E WINDS HAVE RETURNED TO
THE GULF OF PAPAGAYO REGION...AND AREA FORECAST TO PULSE TO 20-
25 KT TONIGHT INTO EARLY SUN DUE TO PEAK NOCTURNAL DRAINAGE
FLOW...THEN TO AROUND 20 KT SUN NIGHT THROUGH MONDAY MORNING.

$$
STRIPLING