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000
WTPZ22 KNHC 211458
TCMEP2

TROPICAL STORM GREG FORECAST/ADVISORY NUMBER 17
NWS NATIONAL HURRICANE CENTER MIAMI FL EP072017
1500 UTC FRI JUL 21 2017

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

TROPICAL STORM CENTER LOCATED NEAR 15.1N 119.2W AT 21/1500Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT 9 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1001 MB
MAX SUSTAINED WINDS 50 KT WITH GUSTS TO 60 KT.
50 KT....... 20NE 0SE 0SW 0NW.
34 KT....... 60NE 20SE 20SW 60NW.
12 FT SEAS.. 90NE 45SE 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 15.1N 119.2W AT 21/1500Z
AT 21/1200Z CENTER WAS LOCATED NEAR 14.9N 118.7W

FORECAST VALID 22/0000Z 15.4N 120.7W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 20NE 0SE 0SW 20NW.
34 KT... 60NE 20SE 20SW 60NW.

FORECAST VALID 22/1200Z 15.7N 122.8W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 30NE 0SE 0SW 30NW.
34 KT... 70NE 30SE 30SW 70NW.

FORECAST VALID 23/0000Z 15.9N 125.1W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 20NE 0SE 0SW 0NW.
50 KT... 40NE 20SE 20SW 40NW.
34 KT... 80NE 50SE 40SW 80NW.

FORECAST VALID 23/1200Z 16.0N 127.4W
MAX WIND 65 KT...GUSTS 80 KT.
50 KT... 40NE 30SE 30SW 40NW.
34 KT... 80NE 60SE 50SW 80NW.

FORECAST VALID 24/1200Z 16.2N 130.8W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 30NE 20SE 20SW 30NW.
34 KT... 70NE 50SE 50SW 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 25/1200Z 17.1N 133.9W
MAX WIND 50 KT...GUSTS 60 KT.

OUTLOOK VALID 26/1200Z 18.5N 136.5W
MAX WIND 40 KT...GUSTS 50 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.1N 119.2W

NEXT ADVISORY AT 21/2100Z

$$
FORECASTER BLAKE


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