000
AXPZ20 KNHC 160923
TWDEP 

TROPICAL WEATHER DISCUSSION                                     
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
1005 UTC MON MAR 16 2015

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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC. 
 
...SPECIAL FEATURES...

GULF OF TEHUANTEPEC GALE WARNING...HIGH PRES OVER NE MEXICO IS 
MAINTAINING A PRESSURE GRADIENT OVER S MEXICO INTO THE GULF OF 
TEHUANTEPEC. ASCAT PASS AT 0330 UTC SHOWED 30 KT WINDS NEAR 15N 
95W. MINIMAL GALE FORCE WINDS WILL CONTINUE THROUGH EARLY TUE 
MORNING WITH SEAS REACHING 12-13 FT THIS MORNING. WINDS AND SEAS 
WILL RAPIDLY DECREASE TUE AND TUE NIGHT.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
            
CONVERGENCE ZONE IS VIRTUALLY NON-EXISTENT ACROSS THE BASIN. 
ITCZ EXTENDS FROM 06N131W TO 06N140W. NO SIGNIFICANT CONVECTION.

...DISCUSSION... 

A SHARP UPPER LEVEL TROUGH EXTENDS S FROM AN UPPER LOW CENTERED 
NEAR 24N110W. THE TROUGH HAS INDUCED A SURFACE TROUGH ALONG 105W 
EXTENDING FROM 13N TO 20N...AND ENHANCING WIDESPREAD LIGHT TO 
MODERATE SHOWERS NEAR THE PACIFIC COAST OF SOUTH-CENTRAL MEXICO. 

NW SWELLS TO 9-10 FT IN FAR WESTERN WATERS WILL SUBSIDE OVER THE 
NEXT 24 HOURS. NEW SET OF 7-8 FT NW SWELLS WILL REACH THE FAR NW 
WATERS BY TUE AFTERNOON. 

GAP WINDS...                                                     
GULF OF PAPAGAYO...GAP WINDS WILL CONTINUE TO PULSE OVER THE 
GULF OF PAPAGAYO THE NEXT COUPLE OF DAYS...PEAKING DURING LATE 
NIGHT AND EARLY MORNING HOURS FROM NOCTURNAL DRAINAGE FLOW...AND 
WEAKENING DURING AFTERNOON AND EARLY EVENING HOURS. 

$$
MUNDELL