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TROPICAL STORM GREG FORECAST/ADVISORY NUMBER  13
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP072017
1500 UTC THU JUL 20 2017
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
TROPICAL STORM CENTER LOCATED NEAR 14.1N 115.4W AT 20/1500Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE WEST OR 275 DEGREES AT   9 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
MAX SUSTAINED WINDS  45 KT WITH GUSTS TO  55 KT.
34 KT....... 50NE   0SE   0SW  50NW.
12 FT SEAS.. 60NE  30SE  30SW  60NW.
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 14.1N 115.4W AT 20/1500Z
AT 20/1200Z CENTER WAS LOCATED NEAR 14.1N 115.1W
 
FORECAST VALID 21/0000Z 14.3N 116.7W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 20NE   0SE   0SW   0NW.
34 KT... 50NE  30SE  30SW  50NW.
 
FORECAST VALID 21/1200Z 14.7N 118.7W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 30NE  20SE   0SW  30NW.
34 KT... 60NE  30SE  30SW  50NW.
 
FORECAST VALID 22/0000Z 15.1N 120.8W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 40NE  20SE  20SW  40NW.
34 KT... 70NE  50SE  40SW  70NW.
 
FORECAST VALID 22/1200Z 15.4N 122.9W
MAX WIND  65 KT...GUSTS  80 KT.
50 KT... 40NE  30SE  30SW  40NW.
34 KT... 70NE  60SE  50SW  70NW.
 
FORECAST VALID 23/1200Z 16.0N 127.5W
MAX WIND  65 KT...GUSTS  80 KT.
50 KT... 40NE  30SE  30SW  40NW.
34 KT... 70NE  60SE  60SW  70NW.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM
ON DAY 4 AND 150 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
 
OUTLOOK VALID 24/1200Z 16.3N 131.5W
MAX WIND  55 KT...GUSTS  65 KT.
 
OUTLOOK VALID 25/1200Z 17.0N 135.0W
MAX WIND  45 KT...GUSTS  55 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 14.1N 115.4W
 
NEXT ADVISORY AT 20/2100Z
 
$$
FORECASTER BLAKE
 
 
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