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Eastern Pacific Tropical Weather Discussion



000
AXPZ20 KNHC 231605
TWDEP 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
1605 UTC SAT AUG 23 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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.

...SPECIAL FEATURES...                                           

HURRICANE KARINA IS CENTERED NEAR 17.2N 134.1W AT 23/1500 UTC. 
MOVING NE OR 040 DEG AT 6 KT. ESTIMATED MINIMUM CENTRAL PRESSURE 
988 MB. MAXIMUM SUSTAINED WINDS 70 KT WITH GUSTS TO 85 KT. 
NUMEROUS MODERATE TO STRONG CONVECTION IS OBSERVED WITHIN 45 NM E 
AND 75 NM OF CENTER. SEE LATEST NHC FORECAST/ADVISORY 
UNDERAWIPS/WMO HEADERS MIATCMEP1/WTPZ21 KNHC FOR MORE DETAILS. 

TROPICAL STORM MARIE IS CENTERED NEAR 14.6N 106.3W AT 23/1500 
UTC MOVING WNW OR 295 DEG AT 9 KT. ESTIMATED MINIMUM CENTRAL 
PRESSURE 983 MB. MAXIMUM SUSTAINED WINDS 75 KT WITH GUSTS TO 90 
KT. NUMEROUS MODERATE TO STRONG CONVECTION OBSERVED WITHIN 240 
NM OF CENTER. SCATTERED MODERATE CONVECTION IS OBSERVED 
ELSEWHERE FROM 06N TO 10N BETWEEN 110W AND 125W. SEE LATEST NHC 
FORECAST/ADVISORY UNDER AWIPS/WMO HEADERS MIATCMEP3/WTPZ23 KNHC 
FOR MORE DETAILS.

TROPICAL STORM LOWELL IS CENTERED NEAR 23.7N 126.5W AT 23/1500 
UTC...MOVING NW OR 310 DEG AT 7 KT. ESTIMATED MINIMUM CENTRAL 
PRESSURE 1000 MB. MAXIMUM SUSTAINED WINDS 35 KT WITH GUSTS TO 45 
KT. NO SIGNFICANT CONVECTION IS OSBERVED NEAR LOWELL. SEE LATEST 
NHC FORECAST/ADVISORY UNDER AWIPS/WMO HEADERS MIATCMEP2/WTPZ22 
KNHC FOR MORE DETAILS.

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

THE MONSOON TROUGH AXIS EXTENDS FROM 08N78W TO 11N100W. NO ITCZ 
AXIS IS NOTED E OF 140W. SCATTERED MODERATE CONVECTION IS 
OSBERVED WITHIN 120 NM S OF AXIS E OF 85W. SCATTERED MODERATE 
CONVECTION IS OSBERVED WITHIN 120 NM EITHER SIDE OF AXIS BETWEEN 
90W AND 95W.

...DISCUSSION...    

A WEAK UPPER LOW IS CENTERED OVER THE GULF OF FONSECA NEAR 
12N87W...ASSISTING DEVELOPING OVER A FEW SHOWERS AND ISOLATED 
THUNDERSTORMS NEAR 10N92W. GLOBAL MODELS INDICATE A WEAK AREA OF 
LOW PRES WILL FORM ALONG THE MONSOON TROUGH IN THIS OVER THE 
NEXT 24 HOURS...BUT NO SIGNFICANT CONVECTION OR FURTHER 
DEVELOPMENT IS ANTICIPATED.

OUTSIDE OF THE TROPICAL CYCLONE AREAS...SEAS TO 8 OR GREATER IN 
MIXED SWELL WILL PERSIST THROUGH 48 HOURS N OF 10N W OF 125W DUE 
TO THE PERSISTENCE OF THE TROPICAL CYCLONES IN THE EASTERN 
PACIFIC. 

$$
CHRISTENSEN



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Page last modified: Saturday, 23-Aug-2014 16:06:23 UTC