000
AXPZ20 KNHC 140911
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
1005 UTC TUE APR 14 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. 
 
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...              

ITCZ FROM 7N87W TO 2N115W TO 5N125W TO 3N140W. SCATTERED 
MODERATE CONVECTION FROM 5N-11N BETWEEN 117W-132W.

...DISCUSSION... 

AN UPPER LEVEL TROUGH OVER THE FAR NW PORTION OF THE AREA IS N 
OF 25N W OF 129W. OTHERWISE MOSTLY ZONAL WLY FLOW ACROSS THE 
AREA N OF 15N. A 95-105 KT JETSTREAM EXTENDS FROM 22N140W TO 
CENTRAL MEXICO. IN THE DEEP TROPICS A BROAD UPPER LEVEL RIDGE 
EXTENDS FROM AN ANTICYCLONIC CIRCULATION CENTERED NEAR 8N120W 
WITH RIDGE TO NICARAGUA. STRONG SUBSIDENCE WITH DRY AIR AT THE 
MIDDLE AND UPPER LEVELS IS N OF 22N W OF 115W.

SURFACE RIDGE IS N OF 15N W OF 110W. NE WINDS ACROSS THE AREA 
ARE 15 KT OR LESS WITH SEAS 7 FT OR LESS. HOWEVER SEAS ARE 
FORECAST TO INCREASE TO 8 FT IN NW SWELL LATER TODAY...WITH THE 
SEAS BUILDING TO 9-10 FT N OF 25N W OF 130W WED.

$$
DGS