000
AXPZ20 KNHC 221507
TWDEP 

TROPICAL WEATHER DISCUSSION                                 
NWS NATIONAL HURRICANE CENTER MIAMI FL                           
1605 UTC SAT FEB 22 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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.                              

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...              

MONSOON TROUGH FROM 8N83W TO 4N92W. ITCZ FROM 4N92W TO 7N105W TO 
6N115W TO 7N140W. NO SIGNIFICANT CONVECTION. 

...DISCUSSION...

AN UPPER LEVEL SHORTWAVE TROUGH IN THE NW PORTION OF THE 
DISCUSSION AREA WITH AXIS FROM 32N133W TO 26N135W. AN UPPER 
LEVEL RIDGE IS W OF THE TROUGH AXIS. A 95-100 KT JETSTREAM 
ENTERS THE AREA FROM 19N140W TO 20N133W TO 15N124W. SW-W WINDS 
ARE TRANSPORTING ABUNDANT MID TO UPPER LEVEL MOISTURE ACROSS THE 
AREA N OF 20N E OF 128W THROUGH BAJA CALIFORNIA INTO NW MEXICO. 
ANOTHER UPPER LEVEL TROUGH EXTENDS FROM 21N113W TO 7N105W. 
EXCEPT FOR A SMALL AREA OF SHOWERS NEAR 6N106W MODERATE TO 
STRONG SUBSIDENCE WITH DRY AND STABLE AIR AT THE MIDDLE AND 
UPPER LEVELS S OF 18N E OF 105W. 

SURFACE RIDGE IS N OF 15N W OF 109W. SEAS OF 8 FT IN NW SWELL 
FROM 7N-12N W OF 134W. THIS SWELL IS EXPECTED TO SUBSIDE TO LESS 
THAN 8 FT BY THIS EVENING. 
                                      
GULF OF TEHUANTEPEC...THE PRES GRADIENT ACROSS SOUTHERN MEXICO 
IS TIGHT ENOUGH TO SUPPORT NLY WINDS 20-25 KT WITH SEAS TO 8 FT 
THROUGH THE GULF OF TEHUANTEPEC. EXPECT WINDS TO DIMINISH TO 20 
KT OR LESS WITH SEAS SUBSIDING TO LESS THAN 8 FT BY THIS 
EVENING. 

GULF OF PAPAGAYO...ELY WIND 20-25 KT CONTINUE ACROSS THE GULF OF 
PAPAGAYO FOR THE NEXT COUPLE OF DAYS. THE STRONGEST WINDS WILL 
OCCUR DURING THE LATE NIGHT AND EARLY MORNING HOURS. WINDS WILL 
DIMINISH TO 20 KT OR LESS WITH SEAS SUBSIDING TO LESS THAN 8 FT 
BY MON.

$$
DGS