Estimated read time: 2-3 minutes
This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story in its archived form does not constitute a republication of the story.
000
AXPZ20 KNHC 100229
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC WED APR 09 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.
...SPECIAL FEATURES...
GULF OF TEHUANTEPEC GALE WARNING
STRONG HIGH PRESSURE THAT WAS CENTERED OVER EASTERN MEXICO HAS
SHIFTED INTO THE NW GULF OF MEXICO. THIS HAS LOOSENED THE
PRESSURE GRADIENT FOR WINDS FUNNELING INTO THE GULF OF
TEHUANTEPEC. STRONG GALE FORCE WINDS REMAIN OVER THE GULF OF
TEHUNATEPEC. WINDS WILL CONTINUE TO SLOWLY DIMINISH OVER THE
NEXT COUPLE OF DAYS...TO BELOW GALE FORCE BY THU AFTERNOON...AND
TO 20 KT OR LESS BY FRI AFTERNOON. SEAS ASSOCIATED WITH THIS GAP
WIND EVENT CONTINUE TO SLOWLY SUBSIDE WITH SEAS NEAR 17 FT THIS
EVENING. THE SWELL WILL CONTINUE TO SPREAD S AND W OVER THE NEXT
COUPLE OF DAYS WHILE SLOWLY SUBSIDING. BY FRI EVENING...SEAS
GREATER THAN 8 FT WILL REACH AS FAR W AS 118W.
GULF OF PAPAGAYO GALE WARNING
THE COLD FRONT RESPONSIBLE FOR THE STORM EVENT OVER THE GULF OF
TEHUANTEPEC WILL HELP FOR A RARE GALE FORCE GAP WIND EVENT OVER
THE GULF OF PAPAGAYO. WINDS OVER THE GULF OF PAPAGAYO HAVE
REACHED NEAR GALE FORCE THIS EVENING. WINDS WILL FURTHER
INCREASE AND REACH GALE FORCE LATE TONIGHT WITH THE ADDED
COMPONENT OF NOCTURNAL DRAINAGE FLOW. WINDS WILL DIMINISH BELOW
GALE FORCE THU AFTERNOON.
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 09N84W TO 07N87W WHERE LOW LEVEL
WINDS SUGGEST A TRANSITION TO ITCZ WHICH EXTENDS TO 03N103W TO
04N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION WAS NOTED
WITHIN 150 NM S OF ITCZ BETWEEN 88W AND 91W. SCATTERED MODERATE
CONVECTION WAS NOTED WITHIN 60 NM OF ITCZ BETWEEN 120W AND 130W.
...DISCUSSION...
LOW PRESSURE OF 1008 MB IS CENTERED JUST W OF THE AREA NEAR
30N141W WITH ASSOCIATED COLD FRONT EXTENDING OVER THE FORECAST
WATERS FROM 30N135W TO 21N140W. THE PRESSURE GRADIENT OVER THE
FORECAST AREA IS MAINTAINING MODERATE TO FRESH TRADEWINDS S OF
20N AND W OF 120W. LINGERING SEAS TO 8 FT ARE FOUND FROM 06N TO
10N W OF 132W. THIS AREA OF SEAS WILL DIMINISH BELOW 8 FT BY THU
AFTERNOON. ANOTHER AREA OF SEAS TO 9 FT ARE FOUND S OF 00N
BETWEEN 104W AND 112W. BY FRIDAY...THIS AREA OF SWELLS WILL MIX
WITH NE SWELLS GENERATED FROM THE GULF OF TEHUANTEPEC GAP WIND
EVENT. NW SWELLS WITH SEAS TO 9 FT ASSOCIATED TO THE COLD FRONT
ARE OVER THE NW WATERS W OF LINE 30N134W TO 24N137W. THE COLD
FRONT WILL SLOWLY SHIFT EASTWARD TO EXTEND FROM FROM 30N132W TO
21N140W BY THU AFTERNOON WITH ASSOCIATED SEAS SUBSIDING BELOW 8
FT.
$$
AL
Delivered by Weather Underground Inc. Wed Apr 9 2014 10:29PM EDT
Copyright © The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
