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TROPICAL STORM GREG FORECAST/ADVISORY NUMBER 15
NWS NATIONAL HURRICANE CENTER MIAMI FL EP072017
0300 UTC FRI JUL 21 2017

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

TROPICAL STORM CENTER LOCATED NEAR 14.3N 117.4W AT 21/0300Z
POSITION ACCURATE WITHIN 25 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..120NE 75SE 45SW 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 14.3N 117.4W AT 21/0300Z
AT 21/0000Z CENTER WAS LOCATED NEAR 14.2N 116.9W

FORECAST VALID 21/1200Z 14.6N 118.8W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 20NE 0SE 0SW 20NW.
34 KT... 60NE 20SE 20SW 60NW.

FORECAST VALID 22/0000Z 15.1N 120.9W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 30NE 0SE 0SW 30NW.
34 KT... 70NE 30SE 30SW 70NW.

FORECAST VALID 22/1200Z 15.5N 123.0W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 20NE 0SE 0SW 20NW.
50 KT... 40NE 20SE 20SW 40NW.
34 KT... 80NE 50SE 40SW 80NW.

FORECAST VALID 23/0000Z 15.7N 125.3W
MAX WIND 70 KT...GUSTS 85 KT.
50 KT... 40NE 30SE 30SW 40NW.
34 KT... 80NE 60SE 50SW 80NW.

FORECAST VALID 24/0000Z 15.8N 129.9W
MAX WIND 65 KT...GUSTS 80 KT.
50 KT... 40NE 30SE 30SW 40NW.
34 KT... 80NE 60SE 60SW 80NW.

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 25/0000Z 16.1N 133.4W
MAX WIND 55 KT...GUSTS 65 KT.

OUTLOOK VALID 26/0000Z 17.0N 136.0W
MAX WIND 50 KT...GUSTS 60 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 14.3N 117.4W

NEXT ADVISORY AT 21/0900Z

$$
FORECASTER BERG


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