000
AXPZ20 KNHC 080254
TWDEP 

TROPICAL WEATHER DISCUSSION                                      
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
0405 UTC TUE SEP 08 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...

HURRICANE LINDA WAS CENTERED NEAR 18.8N 112.8W 975 MB AT 0300 
UTC SEP 08 MOVING NW OR 325 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 
WERE 80 KT GUSTS 100 KT. NUMEROUS STRONG CONVECTION WAS NOTED 
WITHIN 90 NM S AND 30 NM N SEMICIRCLES. SCATTERED MODERATE 
ISOLATED STRONG CONVECTION WAS NOTED ELSEWHERE FROM 11N TO 25N 
BETWEEN 102W AND 117W. VERTICAL SHEAR HAS STARTED TO NEGATIVELY 
AFFECT LINDA...WITH A WEAKENING TREND FORECAST FOR THE SYSTEM. 
SWELLS GENERATED BY LINDA ARE EXPECTED TO BEGIN AFFECTING THE 
PACIFIC COAST OF BAJA CALIFORNIA SUR TONIGHT. THESE SWELL WILL 
BRING LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. REFER TO 
THE LAST NHC FORECAST/ADVISORY UNDER AWIPS/WMO HEADERS 
MIATCMEP5/WTPZ25 KNHC FOR ADDITIONAL DETAILS. 
 
...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...            

THE MONSOON TROUGH EXTENDS FROM 09N78W TO 10N86W TO 09N91W TO 
11N101W...THEN CONTINUES FROM 12N117W TO 07N135W TO 05N140W. 
SCATTERED MODERATE ISOLATED STRONG CONVECTION WAS NOTED WITHIN 
180 NM S OF TROUGH E OF 97W. SCATTERED MODERATE CONVECTION WAS 
NOTED WITHIN 300 NM S OF TROUGH BETWEEN 117W AND 139W.

...DISCUSSION...

HIGH PRESSURE OF 1028 MB CENTERED NNW OF THE AREA NEAR 40N141W 
EXTENDS A RIDGE SE TO NEAR 26N115W. MODERATE TO LOCALLY FRESH 
WINDS PREVAIL OVER THE REMAINDER OF THE AREA OUTSIDE OF THE 
INFLUENCE OF LINDA. NORTHERLY SWELL WITH SEAS GREATER THAN 8 FT 
COVER THE AREA N OF 29N BETWEEN 128W AND 132W. THIS AREA OF SEAS 
WILL FALL BELOW 8 FT BY TUE MORNING. CROSS-EQUATORIAL SW SWELL 
HAS MOVING THROUGH THE AREA AND CONTINUES TO SUBSIDE...BUT 
REMAINS IN THE 16-17 SECOND PERIOD RANGE ALONG THE COASTLINE OF 
MEXICO AND CENTRAL AMERICA. SURF AND RIP CURRENT CONDITIONS 
SHOULD IMPROVE OVER THE NEXT TWO DAYS OUTSIDE THE AREA N OF CABO 
CORRIENTES MEXICO WHERE SWELL FROM LINDA WILL BUILD OVER THE 
NEXT TWO DAYS. 

$$
AL