000
AXPZ20 KNHC 220910
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC TUE APR 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC. 
  
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
 
MONSOON TROUGH 7N77W TO 4N84W. ITCZ FROM 5N114W TO 4N140W.  
SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 6N-12N 
BETWEEN 105W-120W. SCATTERED MODERATE TO STRONG CONVECTION 
WITHIN 150 NM EITHER SIDE OF AXIS FROM 130W-140W.

...DISCUSSION...                                       

AN UPPER LEVEL TROUGH ACROSS THE FAR NW PORTION OF THE 
DISCUSSION AREA FROM 32N129W TO 24N140W. AN UPPER LEVEL RIDGE 
EXTENDS FROM NW MEXICO TO 20N110W. STRONG SUBSIDENCE WITH DRY 
AND STABLE AIR AT THE MIDDLE AND UPPER LEVELS IS N OF 17N 
BETWEEN 105W-115W AND FROM 15N-25N W OF 115W. IN THE DEEP 
TROPICS AN UPPER LEVEL ANTICYCLONIC CIRCULATION IS CENTERED NEAR 
6N131W. ANOTHER UPPER LEVEL ANTICYCLONIC CIRCULATION IS NEAR THE 
COAST OF EL SALVADOR NEAR 13N89W.

A LARGE SURFACE RIDGE IS N OF 12N W OF 105W. THE PRES GRADIENT 
BETWEEN THE RIDGE AND THE ITCZ IS TIGHT ENOUGH FOR 15-20 KT 
TRADE WINDS AND SEAS TO 8 FT FROM 5N-20N W OF 120W. OTHERWISE AN 
AREA OF LARGE NW SWELL IS NW OF A LINE FROM 28N115W TO 15N120W 
TO 5N140W...WITH SEAS 8-10 FT.

A WEAK COLD FRONT IS ACROSS THE NW PORTION OF THE AREA FROM 
32N130W TO 27N140W. NO SIGNIFICANT WEATHER ASSOCIATED WITH THE 
FRONT.

$$
DGS