Tropical Weather Discussion
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000
AXPZ20 KNHC 040235
TWDEP

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC FRI SEP 04 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
0230 UTC.

...SPECIAL FEATURES...

TROPICAL STORM KEVIN NEAR 19.7N 115.8W AT 0300 UTC SEPTEMBER 4
MOVING N OR 360 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS ARE 50 KT
GUSTS 60 KT. ESTIMATED MINIMUM PRESSURE IS 999 MB. NUMEROUS
MODERATE TO STRONG CONVECTION WAS NOTED WITHIN 60 NM OF CENTER.
SCATTERED MODERATE ISOLATED STRONG CONVECTION WAS NOTED
ELSEWHERE FROM 16N TO 22N BETWEEN 113W AND 117W. KEVIN IS
EXPECTED TO REMAIN A TROPICAL STORM BEFORE ENVIRONMENTAL
CONDITIONS BECOME UNFAVORABLE WITH DIMINISHING SST AND A DRIER
MORE STABLE ENVIRONMENT SAT NIGHT. REFER TO THE LATEST NHC
FORECAST/ADVISORY UNDER AWIPS/WMO HEADERS MIATCMEP4/WTPZ24 KNHC
FOR ADDITIONAL DETAILS.

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

THE MONSOON TROUGH EXTENDS FROM 09N84W TO 10N90W TO 09N92W TO
11N102W TO 12N107W. SCATTERED MODERATE CONVECTION WAS NOTED
WITHIN 270 NM S OF TROUGH BETWEEN 90W AND 101W. SCATTERED
MODERATE CONVECTION WAS NOTED WITHIN 180 NM S AND 120 NM N OF
TROUGH BETWEEN 101W AND 107W.

...DISCUSSION...

HURRICANE JIMENA REMAINS JUST W OF THE FORECAST AREA. SEAS
GENERATED BY THE HURRICANE COVER A PORTION OF WESTERN FORECAST
WATERS WITH SEAS GREATER THAN 8 FT CURRENTLY FROM 10N TO 28N W
OF 136W. SEAS GREATER THAN 8 FT WILL CONTINUE TO COVER MUCH OF
THIS AREA DURING THE NEXT COUPLE OF DAYS.

HIGH PRESSURE OF 1029 MB CENTERED NW OF THE AREA NEAR 43N147W
EXTENDS A RIDGE SE TO NEAR 26N117W. GENTLE TO MODERATE WINDS ARE
FOUND OVER MOST OF THE AREA OUTSIDE OF JIMENA AND KEVIN. CROSS-
EQUATORIAL SW SWELL PREVAILS OVER SOUTHERN WATERS S OF A LINE
FROM 03N133W TO 10N126W TO 10N111W TO 03.4S95W. THE AREAL
COVERAGE OF SEAS 8 FT OR GREATER WILL SLOWLY DECREASE OVER THE
NEXT COUPLE OF DAYS. BY SAT AFTERNOON SEAS 8 FT OR GREATER WILL
COVER THE AREA FROM 08N TO 10N BETWEEN 105W AND 122W.

$$
AL


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