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Tropical Storm GREG (Text)


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TROPICAL STORM GREG FORECAST/ADVISORY NUMBER  18
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP072017
2100 UTC FRI JUL 21 2017
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
TROPICAL STORM CENTER LOCATED NEAR 14.9N 120.7W AT 21/2100Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE WEST OR 275 DEGREES AT  11 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
MAX SUSTAINED WINDS  45 KT WITH GUSTS TO  55 KT.
34 KT....... 60NE  20SE  20SW  60NW.
12 FT SEAS.. 90NE  45SE  45SW  75NW.
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 14.9N 120.7W AT 21/2100Z
AT 21/1800Z CENTER WAS LOCATED NEAR 14.8N 120.2W
 
FORECAST VALID 22/0600Z 15.1N 122.4W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 60NE  30SE  30SW  60NW.
 
FORECAST VALID 22/1800Z 15.3N 124.6W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 30NE   0SE   0SW  30NW.
34 KT... 70NE  30SE  30SW  70NW.
 
FORECAST VALID 23/0600Z 15.5N 126.8W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 40NE  20SE  20SW  40NW.
34 KT... 70NE  40SE  40SW  70NW.
 
FORECAST VALID 23/1800Z 15.6N 129.0W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 40NE  20SE  20SW  40NW.
34 KT... 70NE  40SE  40SW  70NW.
 
FORECAST VALID 24/1800Z 15.8N 132.4W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 30NE   0SE   0SW  30NW.
34 KT... 60NE  30SE  30SW  60NW.
 
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 25/1800Z 16.8N 135.0W
MAX WIND  45 KT...GUSTS  55 KT.
 
OUTLOOK VALID 26/1800Z 18.0N 138.0W
MAX WIND  35 KT...GUSTS  45 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 14.9N 120.7W
 
NEXT ADVISORY AT 22/0300Z
 
$$
FORECASTER BLAKE
 
 
NNNN

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Page last modified: Monday, 11-Dec-2017 12:10:04 UTC