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Eastern Pacific Tropical Weather Discussion (Text)



000
AXPZ20 KNHC 220938
TWDEP 

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

...SPECIAL FEATURES...                                           

TROPICAL STORM KARINA IS CENTERED NEAR 14.8N 135.8W AT 22/0900 
UTC MOVING E OR 085 DEG AT 4 KT. ESTIMATED MINIMUM CENTRAL 
PRESSURE 997 MB. MAXIMUM SUSTAINED WINDS 55 KT WITH GUSTS TO 65 
KT. SCATTERED MODERATE AND ISOLATED STRONG CONVECTION IS WITHIN 
120 NM SE SEMICIRCLE...AND FROM 10N TO 12N W OF 135W. SEE LATEST 
NHC FORECAST/ADVISORY UNDER AWIPS/WMO HEADERS MIATCMEP1/WTPZ21 
KNHC FOR MORE DETAILS. 

TROPICAL STORM LOWELL IS CENTERED NEAR 21.5N 123.4W AT 22/0900 
UTC MOVING NW OR 325 DEG AT 7 KT. ESTIMATED MINIMUM CENTRAL 
PRESSURE 987 MB. MAXIMUM SUSTAINED WINDS 55 KT WITH GUSTS TO 65 
KT. SCATTERED MODERATE CONVECTION IS WITHIN 120 NM S SEMICIRCLE. 
ISOLATED MODERATE CONVECTION IS FROM 21N TO 25N BETWEEN 119W AND 
127W. SEE LATEST NHC FORECAST/ADVISORY UNDER AWIPS/WMO HEADERS 
MIATCMEP2/WTPZ22 KNHC FOR MORE DETAILS.

TROPICAL STORM MARIE IS CENTERED NEAR 12.8N 101.0W AT 22/0900 
UTC MOVING WNW AT 16 KT. ESTIMATED MINIMUM CENTRAL PRESSURE 1004 
MB. MAXIMUM SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT. SCATTERED 
MODERATE AND ISOLATED STRONG CONVECTION IS WITHIN 90 NM OF 
CENTER EXCEPT WITHIN 180 NM NW QUADRANT. SCATTERED MODERATE 
CONVECTION IS ELSEWHERE FROM 06N TO 16N BETWEEN 94W AND 103W. 
SEE LATEST NHC FORECAST/ADVISORY UNDER AWIPS/WMO HEADERS 
MIATCMEP3/WTPZ23 KNHC FOR MORE DETAILS.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...              
THE MONSOON TROUGH AXIS EXTENDS FROM 06N77W TO 07N89W THEN    
RESUMES FROM 08N109W TO 12N118W. SCATTERED MODERATE AND ISOLATED 
STRONG CONVECTION IS FROM 03N TO 09N BETWEEN 76W AND 84W. 
SCATTERED MODERATE CONVECTION IS FROM 04N TO 07N BETWEEN 87W AND 
92W...AND FROM 06N TO 10N BETWEEN 103W AND 114W.

...DISCUSSION...                                                
A 1029 MB HIGH IS CENTERED WELL NW OF THE DISCUSSION WATERS  
NEAR 40N146W WITH A RIDGE EXTENDING SE TO 30N127W. THE RIDGE 
CONTINUES TO SUPPORT MODERATE TO LOCALLY FRESH WINDS W OF    
110W OUTSIDE OF THE INFLUENCES OF TROPICAL STORMS KARINA AND 
LOWELL. THE PRES GRADIENT WILL TIGHTEN OVER THE NW CORNER OF THE 
AREA FRIDAY INTO SATURDAY AS LOWELL MOVES NORTHWEST AGAINST THE 
RIDGE...WITH FRESH TO STRONG NE WINDS DEVELOPING AND SEAS 
BUILDING TO 10 FT IN THE FAR NW PORTION WELL AWAY FROM LOWELL.

AN AREA OF S-SW SWELL WITH SEAS TO 8 FT WILL REMAIN JUST S OF 
THE EQUATOR W-SW OF THE GALAPAGOS ISLANDS THROUGH THE NEXT 48 
HOURS.

$$
HUFFMAN


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Page last modified: Friday, 22-Aug-2014 09:39:16 UTC