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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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