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