685  
WTPZ42 KNHC 101433  
TCDEP2  
 
POST-TROPICAL CYCLONE JOHN DISCUSSION NUMBER 20  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP122018  
800 AM PDT FRI AUG 10 2018  
 
JOHN'S CONVECTION VANISHED AROUND 0430 UTC, AND THE CYCLONE NOW  
CONSISTS OF A TIGHT SWIRL OF LOW CLOUDS MOVING OVER A 22 DEGREE  
CELSIUS OCEAN. GIVEN THE LACK OF CONVECTION, THE SYSTEM HAS BEEN  
CLASSIFIED AS A REMNANT LOW WITH 30-KT WINDS IN THIS LAST ADVISORY.  
THE LOW IS MOVING TOWARD THE NORTHWEST AT 9 KT, AND THIS GENERAL  
MOTION WILL LIKELY CONTINUE UNTIL DISSIPATION IN A COUPLE OF DAYS.  
 
SWELLS ASSOCIATED WITH THE REMNANTS OF JOHN CONTINUE TO AFFECT  
PORTIONS OF THE COASTS OF THE BAJA CALIFORNIA PENINSULA AND SOUTHERN  
CALIFORNIA, BUT WILL SOON BEGIN TO SUBSIDE. THESE SWELLS COULD CAUSE  
LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE CONSULT  
PRODUCTS FROM YOUR LOCAL WEATHER OFFICE.  
 
THIS IS THE LAST NHC ADVISORY ON JOHN.  
 
FORECAST POSITIONS AND MAX WINDS  
 
INIT 10/1500Z 26.8N 121.1W 30 KT 35 MPH...POST-TROPICAL  
12H 11/0000Z 27.5N 122.5W 25 KT 30 MPH...POST-TROP/REMNT LOW  
24H 11/1200Z 28.2N 123.7W 25 KT 30 MPH...POST-TROP/REMNT LOW  
36H 12/0000Z 28.5N 124.5W 25 KT 30 MPH...POST-TROP/REMNT LOW  
48H 12/1200Z...DISSIPATED  
 

 
FORECASTER AVILA  
 
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