000
AXPZ20 KNHC 111524
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC FRI MAR 11 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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
1500 UTC.              
 
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...            
THE ITCZ EXTENDS FROM 05N97W TO 00N110W TO 00N120W. SCATTERED
MODERATE CONVECTION IS WITHIN 75 NM EITHER SIDE OF A LINE FROM
09N94W TO 04N98W TO 02N101W...S OF 02S BETWEEN 106W AND
110W...AND FROM 00N TO 03N BETWEEN 112W AND 124W.

...DISCUSSION...                                               
ACROSS THE NORTHERN WATERS...A MIDDLE TO UPPER LEVEL LOW
CENTERED NEAR 35N127W SUPPORTS A COLD FRONT EXTENDING FROM
31N124W TO 24N130W TO 20N140W. THE FRONT HAS RECENTLY MERGED
WITH A PREVIOUS DISSIPATING FRONT AND CONTINUES TO GENERATE
STRONG TO NEAR GALE NW WINDS W OF THE FRONT AND FRESH TO STRONG
SW WINDS E OF THE FRONT. THE NORTHWESTERLY WIND FIELD WAS
CAPTURED BY AN EARLIER MORNING ASCAT PASS AROUND 11/0544 UTC.
FURTHERMORE...THE FRONT ALSO EXHIBITS FRESH TO STRONG NE WINDS S
OF 22N W OF THE BOUNDARY. THIS PARTICULAR AREA AS THE FRONT
WEAKENS GRADUALLY THROUGH SAT WILL MERGE WITH AN AREA OF FRESH
TO STRONG TRADES ON SAT INTO SUN GENERALLY FROM 07N TO 19N W OF
132W WITH SEAS MAINTAINING A RANGE OF 8 TO 10 FT PRIMARILY IN NW
SWELL.

AS THE FRONT MOVES EAST TOWARDS THE SOUTHERN CALIFORNIA AND BAJA
CALIFORNIA COAST...WINDS WILL BRIEFLY REACH FRESH TO OCCASIONAL
STRONG LEVELS GENERALLY N OF 29N FRI NIGHT LATE INTO EARLY SAT
AS THE BOUNDARY MOVES THROUGH THE REGION AND GRADUALLY WEAKENS
WEST OF THE SIERRA MADRE OCCIDENTAL. IN ADDITION...IN WAKE OF
THE FRONT...THE PRES GRADIENT WILL STRENGTHEN ALONG THE COAST OF
BAJA CALIFORNIA N OF 26N WITH NW TO N WINDS REACHING FRESH TO
STRONG LEVELS SAT NIGHT THROUGH SUN MORNING.
 
OTHERWISE...THE OTHER PRIMARY IMPACT FROM THE FRONT IS THE 12 TO
14 SECOND PERIOD NW SWELL SPREADING SOUTHEASTWARD ACROSS MUCH OF
THE NORTHWESTERN THIRD OF THE DISCUSSION AREA BY SUN MORNING. BY
SUN...ANOTHER WEAK FRONT PASSES TO THE NORTH OF THE AREA
INTRODUCING ANOTHER NW SWELL TRAIN WITH SEAS BUILDING 12 TO 16
FT ACROSS THE FAR NW CORNER OF THE AREA.

ELSEWHERE...AN AREA OF SEAS 8 TO 10 FT ACROSS THE CENTRAL WATERS
IS EXPECTED TO CONTINUE SUBSIDING THROUGH SAT MORNING WITH A
BROAD CONVERGENT WIND FIELD COMPRISED OF LIGHT TO GENTLE
SOUTHEASTERLIES AND GENTLE TO MODERATE NORTHEASTERLIES MAKING UP
THE OVERALL ITCZ REGION. FINALLY...WITH RESPECT TO GAP WIND
AREAS...THE GULF OF PAPAGAYO REGION IS FORECAST TO EXPERIENCE
PULSING NE TO E WINDS FRI NIGHT INTO EARLY SAT AND AGAIN SAT
NIGHT INTO EARLY SUN DUE TO PEAK NOCTURNAL DRAINAGE FLOW.

$$ 
HUFFMAN