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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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