159  
WTNT22 KNHC 142036  
TCMAT2  
 
HURRICANE OPHELIA FORECAST/ADVISORY NUMBER 23  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL172017  
2100 UTC SAT OCT 14 2017  
 
THERE ARE NO COASTAL TROPICAL CYCLONE WATCHES OR WARNINGS IN EFFECT.  
 
INTERESTS IN THE AZORES SHOULD REFER TO PRODUCTS ISSUED BY THE  
AZORES WEATHER FORECAST AND WATCH CENTER.  
 
INTERESTS IN IRELAND SHOULD MONITOR PRODUCTS ISSUED BY MET  
EIREANN... AND INTERESTS IN THE UNITED KINGDOM SHOULD MONITOR  
PRODUCTS ISSUED BY THE UK MET OFFICE.  
 
HURRICANE CENTER LOCATED NEAR 35.9N 23.7W AT 14/2100Z  
POSITION ACCURATE WITHIN 15 NM  
 
PRESENT MOVEMENT TOWARD THE NORTHEAST OR 55 DEGREES AT 24 KT  
 
ESTIMATED MINIMUM CENTRAL PRESSURE 960 MB  
EYE DIAMETER 30 NM  
MAX SUSTAINED WINDS 100 KT WITH GUSTS TO 120 KT.  
64 KT....... 30NE 40SE 30SW 15NW.  
50 KT....... 50NE 60SE 60SW 20NW.  
34 KT....... 80NE 110SE 110SW 40NW.  
12 FT SEAS..180NE 240SE 300SW 400NW.  
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL  
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.  
 
REPEAT...CENTER LOCATED NEAR 35.9N 23.7W AT 14/2100Z  
AT 14/1800Z CENTER WAS LOCATED NEAR 35.3N 25.1W  
 
FORECAST VALID 15/0600Z 38.0N 20.0W  
MAX WIND 95 KT...GUSTS 115 KT.  
64 KT... 30NE 30SE 30SW 15NW.  
50 KT... 40NE 60SE 40SW 30NW.  
34 KT... 80NE 120SE 140SW 40NW.  
 
FORECAST VALID 15/1800Z 42.8N 15.3W  
MAX WIND 85 KT...GUSTS 105 KT.  
64 KT... 30NE 30SE 30SW 15NW.  
50 KT... 50NE 60SE 40SW 40NW.  
34 KT...180NE 180SE 160SW 120NW.  
 
FORECAST VALID 16/0600Z 48.8N 12.3W...POST-TROP/EXTRATROP  
MAX WIND 75 KT...GUSTS 90 KT.  
64 KT... 50NE 60SE 60SW 0NW.  
50 KT... 90NE 140SE 140SW 90NW.  
34 KT...240NE 280SE 240SW 200NW.  
 
FORECAST VALID 16/1800Z 54.0N 9.3W...POST-TROP/EXTRATROP  
MAX WIND 60 KT...GUSTS 75 KT.  
50 KT... 60NE 90SE 90SW 60NW.  
34 KT...250NE 300SE 250SW 200NW.  
 
FORECAST VALID 17/1800Z 59.5N 3.5W...POST-TROP/EXTRATROP  
MAX WIND 40 KT...GUSTS 50 KT.  
34 KT...200NE 270SE 270SW 160NW.  
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM  
ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY  
 
OUTLOOK VALID 18/1800Z...DISSIPATED  
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 35.9N 23.7W  
 
NEXT ADVISORY AT 15/0300Z  
 

 
FORECASTER ZELINSKY  
 
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