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Eastern Pacific Tropical Weather Discussion



000
AXPZ20 KNHC 290850
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
1005 UTC FRI AUG 29 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 
0815 UTC.

...SPECIAL FEATURES...                                           

TROPICAL STORM MARIE IS CENTERED NEAR 27.6N 132.5W AT 29/0900 
UTC OR ABOUT 855 NM W-SW OF SAN DIEGO CALIFORNIA MOVING NW AT 12 
KT. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. ESTIMATED MINIMUM 
CENTRAL PRESSURE WAS 1002 MB. THE BROAD LOW LEVEL WIND FIELD OF 
MARIE REMAINS WELL DEFINED SATELLITE IMAGERY TONIGHT...WITH NO 
ASSOCIATED DEEP CONVECTION. THIS IS THE LAST ADVISORY ISSUED BY 
THE NATIONAL HURRICANE CENTER. 

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

THE MONSOON TROUGH EXTENDS FROM 9N84W ALONG 11N92W 9N100W TO 
9N118W THEN RESUMES NEAR 12N131W TO 11N140W. SCATTERED MODERATE 
TO STRONG CONVECTION IS WITHIN 120 NM ALONG COAST OF MEXICO 
BETWEEN 94W-101W. SCATTERED MODERATE/ISOLATED STRONG CONVECTION 
IS WITHIN 120 NM ALONG COAST OF CENTRAL AMERICA BETWEEN 81W-93W. 
SCATTERED MODERATE CONVECTION IS FROM 6N-8N BETWEEN 99W-108W.  

...DISCUSSION...    

W OF 110W...SWELLS GENERATED BY MARIE WILL GRADUALLY SUBSIDE 
DURING THE NEXT 24 HOURS WITH COMBINED SEAS OF 8 FT OR GREATER 
SHIFTING TO THE NW WITH TIME. THESE SWELLS HAVE BEEN EFFECTING 
THE WEST COAST OF BAJA CALIFORNIA AND THE SOUTHERN COAST OF 
CALIFORNIA AND ARE EXPECTED TO SUBSIDE THROUGH FRIDAY. THESE 
SWELLS COULD STILL PRODUCE LIFE-THREATENING SURF AND RIP 
CURRENTS. 

A 1023 MB HIGH REMAINS WELL N OF THE DISCUSSION AREA EXTENDING A 
RIDGE AXIS THROUGH 32N125W SE TO OFFSHORE OF THE CENTRAL BAJA 
CALIFORNIA PENINSULA NEAR 25N117W. PRONOUNCED TROUGHING WILL 
DEVELOP E OF THE PENINSULA ALONG THE GULF OF CALIFORNIA/W MEXICO 
OVERNIGHT WHICH IS SUPPORTING FRESH TO STRONG NW-N WINDS WITH 
SEAS BUILDING TO 8 FT WITHIN 120 NM W OF THE PENINSULA N OF 24N. 
THESE WINDS WILL SHIFT NW AND DIMINISH BY 48 HOURS WHEN THE 
PRESSURE GRADIENT WEAKENS.

MEANWHILE...THE WATERS E OF 110W WILL BE COMPARATIVELY MORE 
TRANQUIL WITH GENTLE TO MODERATE WINDS AND 4 TO 6 FT SEAS 
EXPECTED THROUGH THE NEXT 48 HOURS.

$$
PAW



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Page last modified: Friday, 29-Aug-2014 08:50:34 UTC