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TROPICAL STORM IRWIN FORECAST/ADVISORY NUMBER 21
NWS NATIONAL HURRICANE CENTER MIAMI FL EP102017
1500 UTC THU JUL 27 2017
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
TROPICAL STORM CENTER LOCATED NEAR 15.0N 124.2W AT 27/1500Z
POSITION ACCURATE WITHIN 20 NM
PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 2 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB
MAX SUSTAINED WINDS 50 KT WITH GUSTS TO 60 KT.
34 KT....... 70NE 50SE 50SW 70NW.
12 FT SEAS.. 90NE 75SE 75SW 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 15.0N 124.2W AT 27/1500Z
AT 27/1200Z CENTER WAS LOCATED NEAR 15.0N 124.1W
FORECAST VALID 28/0000Z 15.0N 124.8W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 0NE 0SE 0SW 20NW.
34 KT... 70NE 50SE 50SW 70NW.
FORECAST VALID 28/1200Z 15.0N 125.0W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 30NE 20SE 20SW 30NW.
34 KT... 80NE 60SE 60SW 80NW.
FORECAST VALID 29/0000Z 15.0N 125.0W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 30NE 20SE 20SW 30NW.
34 KT... 80NE 60SE 60SW 80NW.
FORECAST VALID 29/1200Z 15.5N 125.0W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 30NE 20SE 20SW 30NW.
34 KT... 80NE 60SE 60SW 80NW.
FORECAST VALID 30/1200Z 19.0N 125.5W
MAX WIND 45 KT...GUSTS 55 KT.
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 31/1200Z 23.0N 129.5W
MAX WIND 35 KT...GUSTS 45 KT.
OUTLOOK VALID 01/1200Z...DISSIPATED
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.0N 124.2W
NEXT ADVISORY AT 27/2100Z
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FORECASTER AVILA
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