000
AXPZ20 KNHC 270917
TWDEP 

TROPICAL WEATHER DISCUSSION   
NWS NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC TUE MAR 27 2012

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 O600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
ITCZ AXIS 7N130W TO 8N140W. SCATTERED MODERATE CONVECTION WITHIN 
100 NM N OF LINE 7N13W TO 8N126W.

...DISCUSSION...
BROAD UPPER LEVEL TROUGH FROM 32N129W TO 24N149W...OTHERWISE 
MOSTLY ZONAL UPPER LEVEL FLOW ACROSS THE AREA. A 90-100 KT JET 
ENTERS THE DISCUSSION AREA FROM 15N140W TO 16N128W WHERE WINDS 
DECREASE TO 75-95 KT TO 16N120W. MODERATE TO STRONG SUBSIDENCE 
WITH DRY STABLE AIR AT THE MIDDLE AND UPPER LEVELS IS N OF 5N E 
OF 100W.

COLD FRONT ENTERS THE FAR NW PORTION OF THE AREA FROM 32N133W TO 
28N140W. SW WINDS TO 20 KT ARE WITHIN 240 NM E OF FRONT WITH W 
TO NW WINDS TO 20 KT W OF THE FRONT. THE FRONT WILL WEAKEN FROM 
32N131W TO 26N140W TONIGHT AND DISSIPATE WED. NW SWELLS TO 12 FT 
W OF THE FRONT WILL SPREAD SE.

ELY TRADES FROM 8N-15N W OF 120W WILL PERSIST THROUGH WED. 
LARGE NW SWELL WILL MERGE WITH SW SWELL FROM THE SOUTHERN 
HEMISPHERE WED.

$$
DGS