000
AXPZ20 KNHC 261510
TWDEP 

TROPICAL WEATHER DISCUSSION 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1605 UTC THU DEC 26 2013

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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.
 
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 

MONSOON TROUGH FROM 5N77W TO 4N84W. ITCZ FROM 4N84W TO 8N135W TO 
7N140W. SCATTERED MODERATE TO STRONG CONVECTION FROM 8N-11N 
BETWEEN 125W-128W AND FROM 12N-14N BETWEEN 131W-134W.

...DISCUSSION... 

AN UPPER LEVEL RIDGE OVER THE WESTERN PORTION OF THE DISCUSSION 
AREA IS N OF 5N W OF 115W. BROKEN/OVERCAST CLOUDS ARE WITHIN THE 
RIDGE WITH SOME SCATTERED SHOWERS W OF 130W. DOWNSTREAM UPPER 
LEVEL TROUGH EXTENDS FROM CYCLONIC CIRCULATION OVER SE NEW 
MEXICO ACROSS MUCH OF MEXICO TO THE EQUATOR AT 103W. A 95-105 KT 
NW JETSTREAM BETWEEN THE RIDGE AND THE TROUGH WITH AXIS FROM 
32N133W TO 22N109W.

SURFACE TROUGH EXTENDS FROM 18N-8N ALONG 136W. OTHERWISE A WEAK 
RIDGE IS ACROSS THE N AREA N OF 14N W OF 115W. THIS SYSTEM WILL 
REMAIN NEARLY STATIONARY. THE PRES GRADIENT BETWEEN THE TROUGH 
AND HIGH PRES IS RESULTING IN AN AREA OF NE TO E WINDS OF 20-25 
KT FROM 19N-23N W OF 135W.

STRONG NLY WINDS IN THE 20-30 KT RANGE WITH SEAS 8-11 FT 
CONTINUE ACROSS THE GULF OF TEHUANTEPEC. WINDS AND SEAS WILL 
CONTINUE THROUGH THE NEXT TWO DAY. ELSEWHERE FROM 3N-14N BETWEEN 
94W-111W LARGE NLY SWELLS WITH SLOWLY SUBSIDE OVER THE NEXT FEW 
OF DAYS.
 
$$
DGS