000
AXPZ20 KNHC 250936
TWDEP 

TROPICAL WEATHER DISCUSSION 
NWS NATIONAL HURRICANE CENTER MIAMI FL                          
1005 UTC SAT JAN 25 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.                              

...SPECIAL FEATURES...                                           

GULF OF TEHUANTEPEC STORM WARNING...WINDS TO STORM FORCE THROUGH 
THE GULF OF TEHUANTEPEC WILL DECREASE SLIGHTLY TO GALE FORCE 
LATER THIS MORNING. WIND ARE FORECAST TO DIMINISHING TO 20-30 KT 
SUN NIGHT...THEN TO 20 KT OR LESS BY SUN AFTERNOON. SIGNIFICANT 
WAVE HEIGHTS WILL PEAK AT 16-18 FT EARLY THIS MORNING...WHILE A 
LARGE PLUME OF NW SWELL WILL CONTINUE TO PROPAGATE TO THE S-SW 
AWAY FROM THE IMMEDIATE GULF WHILE MIXING WITH LONGER PERIOD NW 
SWELL.
 
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...              

MONSOON TROUGH FROM 05N92W. ITCZ FROM 05N92W TO 03N110W TO 
08N140W. NO SIGNIFICANT CONVECTION.

...DISCUSSION...

UPPER LEVEL TROUGH OVER THE FAR NW PORTION OF THE DISCUSSION 
AREA WITH AXIS FROM 32N137W TO 10N130W. ASSOCIATED COLD FRONT IS 
JUST W OF THE DISCUSSION AREA DOWNSTREAM UPPER LEVEL RIDGE 
EXTENDS FROM 32N119W TO 17N113W. MODERATE TO STRONG SUBSIDENCE 
WITH DRY AND STABLE AIR AT THE MIDDLE AND UPPER LEVELS S OF 15N 
W OF 125W.

LARGE NW SWELL CONTINUES ACROSS THE AREA GENERALLY W OF 115W 
WITH SEAS UP TO 15 FT IN THE FAR NW PORTION OF THE AREA. SW 
WINDS 20-25 KT ACROSS THE FAR NW PORTION OF THE AREA AHEAD OF AN 
APPROACHING COLD FRONT. NE WINDS 20-25 KT CONTINUE TO BLOW 
THROUGH THE GULF OF PAPAGAYO AND ARE FORECAST TO DECREASE TO 20 
KT OR LESS WITH SEAS LESS THAN 8 FT SUN NIGHT.

$$
DGS