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AP-NW--KNHC-NW Tropical Weather Discussion, NW



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000

AXPZ20 KNHC 110232

TWDEP

TROPICAL WEATHER DISCUSSION

NWS NATIONAL HURRICANE CENTER MIAMI FL

0405 UTC FRI APR 11 2014

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 08N87W TO 05N100W TO 04N128W TO 03N140W.

SCATTERED MODERATE CONVECTION WAS NOTED WITHIN 60 NM OF AXIS

BETWEEN 88W AND 96W. SCATTERED MODERATE ISOLATED STRONG

CONVECTION WAS NOTED WITHIN 60 NM S AND 120 NM N OF AXIS BETWEEN

96W AND 102W.

...DISCUSSION...

HIGH PRESSURE THAT WAS OVER THE NW GULF OF MEXICO HAS SHIFTED

NE. THIS HAS LOOSENED THE PRESSURE GRADIENT WHICH HAS FURTHER

DIMINISHED WINDS FUNNELING INTO THE GULF OF TEHUANTEPEC. WINDS

DIMINISHED BELOW GALE FORCE THIS AFTERNOON. WINDS TO 25 KT

PREVAIL OVER THE GULF OF TEHUANTEPEC THIS EVENING. WINDS WILL

CONTINUE TO SLOWLY DIMINISH OVER THE NEXT 24 HOURS...AND WILL

FALL BELOW 25 KT BY FRI AFTERNOON. SEAS ASSOCIATED WITH THIS GAP

WIND EVENT CONTINUE TO SUBSIDE WITH SEAS NEAR 11 FT THIS

EVENING. THE SWELL WILL CONTINUE TO SPREAD S AND W OVER THE NEXT

COUPLE OF DAYS WHILE SLOWLY SUBSIDING. BY SAT EVENING...SEAS

GREATER THAN 8 FT WILL REACH AS FAR W AS 125W.

WINDS OVER THE GULF OF PAPAGAYO DIMINISHED BELOW GALE FORCE THIS

AFTERNOON. WINDS IN THE 25 KT RANGE WILL PREVAIL OVER THE GULF

OF PAPAGAYO THROUGH SAT AFTERNOON.

LOW PRESSURE OF 1011 MB IS CENTERED OVER THE NW WATERS NEAR

29N136W WITH ASSOCIATED COLD FRONT EXTENDING OVER THE FORECAST

WATERS FROM 30N132W TO 21N136W. THE PRESSURE GRADIENT OVER THE

FORECAST AREA IS MAINTAINING MODERATE TO FRESH TRADEWINDS S OF

18N AND W OF 115W. AN AREA OF SEAS TO 9 FT IN MIXED SE AND NW

SWELLS ARE FOUND OVER FORECAST WATERS S OF 02N BETWEEN 111W AND

123W. BY FRIDAY...THIS AREA OF SWELLS WILL MIX WITH NE SWELLS

GENERATED FROM THE GULFS OF TEHUANTEPEC AND PAPAGAYO GAP WIND

EVENTS.

$$

AL

Delivered by Weather Underground Inc. Thu Apr 10 2014 10:32PM EDT

Copyright © The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

The Associated Press

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