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Eastern Pacific Tropical Weather Discussion (Text)



000
AXPZ20 KNHC 202120
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
2205 UTC MON APR 20 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2100 UTC. 

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

WEAK MONSOON TROUGH EXTENDS FROM 06N96W TO 06N105W TO 05N109W. 
ITCZ EXTENDS FROM 05N109W TO 04N115W TO 06N126W TO 05N134W TO 
06N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 07N 
TO 10N W OF 133W. 

...DISCUSSION... 

A WEAK PRESSURE PATTERN CONTINUES ACROSS MOST OF THE REGION. 
RECENT SHIP OBS AND SCATTEROMETER DATA INDICATE WIDESPREAD LIGHT 
TO GENTLE WINDS E OF 120W...WITH SEAS GENERALLY 4-6 FT. W OF  
120W...CONVECTIVE ACTIVITY CONTINUES FROM 07N-10N W OF 133W FROM 
LOW LEVEL TRADE CONVERGENCE AND DIVERGENT FLOW ALOFT. MODERATE 
TO FRESH TRADE WINDS AND NE SWELL TO 9 FT PERSIST N OF THE ITCZ 
S OF THE SUBTROPICAL RIDGE. LONG PERIOD NW SWELL WILL CONTINUE 
TO PROPAGATE INTO THE REGION...MAINLY N OF 25N AND W OF 125W.

$$
MUNDELL

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Page last modified: Monday, 20-Apr-2015 21:20:57 UTC