000
AXPZ20 KNHC 150914
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
1005 UTC WED APR 15 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...              

PRIMARY ITCZ FROM 5N100W TO 4N130W TO 2N140W. SECONDARY ITCZ 
3.4SN190W TO 1S113W. NO SIGNIFICANT CONVECTION.

...DISCUSSION... 

AN UPPER LEVEL TROUGH OVER THE FAR N PORTION OF EXTENDS FROM 
NORTHERN BAJA CALIFORNIA NEAR 32N117W TO 28N140W. OTHERWISE 
MOSTLY ZONAL WLY FLOW ACROSS THE AREA N OF 15N. A 95-110 KT 
JETSTREAM EXTENDS FROM 22N140W TO THE SOUTHERN BAJA PENINSULA. 
IN THE DEEP TROPICS A BROAD UPPER LEVEL RIDGE EXTENDS FROM AN 
ANTICYCLONIC CIRCULATION CENTERED NEAR 10N108W WITH RIDGE TO 
SOUTHERN MEXICO  STRONG SUBSIDENCE WITH DRY AIR AT THE MIDDLE 
AND UPPER LEVELS IS N OF 25N W OF 115W.

SURFACE RIDGE IS N OF 15N W OF 115W. A 1010 MB SURFACE TROUGH IS 
CENTERED NEAR 4N89W WITH TROUGH FROM LOW TO 4N96W. SCATTERED 
MODERATE TO STRONG CONVECTION FROM 1N-6N BETWEEN 89W-93W. NW 
SWELL IN THE 8-10 FT RANGE IS ACROSS THE N PORTION OF THE AREA N 
OF 25N BETWEEN 118W AND 128W. ALSO ANOTHER AREA OF 8-9 FT NW 
SWELL IS FROM 15N-25N W OF 130W. ON WED 8-10 FT NW SWELL WILL BE 
N OF 25N W OF 117W AND 8-9 FT FROM 15N-25N W OF 130W.

$$
DGS