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HURRICANE GERT FORECAST/ADVISORY NUMBER   9
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL082017
0300 UTC TUE AUG 15 2017

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

HURRICANE CENTER LOCATED NEAR 31.2N  72.3W AT 15/0300Z
POSITION ACCURATE WITHIN  20 NM

PRESENT MOVEMENT TOWARD THE NORTH OR 360 DEGREES AT   7 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  986 MB
MAX SUSTAINED WINDS  65 KT WITH GUSTS TO  80 KT.
64 KT....... 20NE  20SE   0SW   0NW.
50 KT....... 50NE  40SE   0SW  30NW.
34 KT....... 90NE  80SE  30SW  60NW.
12 FT SEAS..120NE 120SE  60SW  90NW.
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 31.2N  72.3W AT 15/0300Z
AT 15/0000Z CENTER WAS LOCATED NEAR 30.8N  72.3W

FORECAST VALID 15/1200Z 32.3N  72.0W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 20NE  20SE  15SW  15NW.
50 KT... 50NE  40SE  20SW  30NW.
34 KT...100NE  90SE  50SW  60NW.

FORECAST VALID 16/0000Z 34.3N  70.6W
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 30NE  30SE  20SW  20NW.
50 KT... 50NE  50SE  30SW  30NW.
34 KT...100NE 100SE  60SW  60NW.

FORECAST VALID 16/1200Z 36.6N  66.9W
MAX WIND  85 KT...GUSTS 105 KT.
64 KT... 30NE  30SE  20SW  20NW.
50 KT... 50NE  50SE  40SW  30NW.
34 KT...100NE 100SE  80SW  60NW.

FORECAST VALID 17/0000Z 39.3N  60.8W
MAX WIND  90 KT...GUSTS 110 KT.
50 KT... 50NE  60SE  50SW  30NW.
34 KT...100NE 120SE 100SW  60NW.

FORECAST VALID 18/0000Z 46.0N  46.0W...POST-TROP/EXTRATROP
MAX WIND  70 KT...GUSTS  85 KT.
50 KT... 50NE  90SE  60SW   0NW.
34 KT...100NE 180SE 180SW  90NW.

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 19/0000Z 52.0N  37.0W...POST-TROP/EXTRATROP
MAX WIND  50 KT...GUSTS  60 KT.

OUTLOOK VALID 20/0000Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 31.2N  72.3W

NEXT ADVISORY AT 15/0900Z

$$
FORECASTER BLAKE


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