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000
AXPZ20 KNHC 140230
TWDEP
TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC MON APR 14 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 FEATURE...
GULF OF TEHUANTEPEC GALE WARNING
WINDS OVER THE GULF OF TEHUANTEPEC WILL REMAIN FAIRLY LIGHT
THROUGH TUESDAY MORNING. A COLD FRONT IS WILL MOVE OFF THE COAST
OF TEXAS INTO THE GULF OF MEXICO BY MON EVENING. THE FRONT WILL
REACH THE BAY OF CAMPECHE TUE WITH WINDS RAPIDLY INCREASING TO
NEAR GALE FORCE OVER THE GULF OF TEHUANTEPEC TUE AFTERNOON.
WINDS ASSOCIATED WITH THIS GAP WIND ARE EXPECTED TO REACH STRONG
GALE FORCE BY TUE EVENING. THIS IS EXPECTED TO BE A SHORT
LIVED...BUT STRONG...GAP WIND EVENT WITH STRONG GALE FORCE WINDS
EXPECTED TUE NIGHT INTO WED MORNING...AND WINDS EXPECTED TO
DIMINISH BELOW GALE FORCE BY WED AFTERNOON.
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE ITCZ EXTENDS FROM 09N83W TO 05N96W TO 08N111W TO 04N127W TO
04N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION WAS NOTED
WITHIN 60 NM N AND 90 NM S OF AXIS BETWEEN 85W AND 100W.
SCATTERED MODERATE ISOLATED STRONG CONVECTION WAS NOTED WITHIN
120 NM N OF AXIS BETWEEN 106W AND 112W.
...DISCUSSION...
A WEAK SURFACE RIDGE EXTENDS INTO THE AREA FROM 30N132W TO
19N109W. THE PRESSURE GRADIENT BETWEEN THE RIDGE AND LOWER
PRESSURE IN THE VICINITY OF THE ITCZ IS MAINTAINING MODERATE TO
LOCALLY FRESH TRADES N OF THE ITCZ TO 20N AND W OF 130W. THE
WEAK RIDGE WILL CONTINUE OVER THE AREA TO MAINTAIN MODERATE TO
FRESH TRADEWINDS WITH SEAS TO 8 FT OVER MUCH OF THIS AREA. THE
RIDGE WILL STRENGTHEN SLIGHTLY...AND OCCASIONAL WINDS TO 25 KT
WILL BE POSSIBLE.
GULF OF CALIFORNIA...HIGH PRESSURE BUILDING OVER THE GREAT BASIN
WILL ALLOW FOR STRONG NW WINDS TO FUNNEL INTO THE NORTHERN GULF
OF CALIFORNIA ON MONDAY. THE AREA OF HIGH PRESSURE WILL SHIFT
EAST ON TUESDAY WHICH WILL LOOSEN THE PRESSURE GRADIENT AND
DIMINISH WINDS BELOW 25 KT.
$$
AL
Delivered by Weather Underground Inc. Sun Apr 13 2014 10:30PM EDT
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