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TROPICAL STORM IRWIN FORECAST/ADVISORY NUMBER 18
NWS NATIONAL HURRICANE CENTER MIAMI FL EP102017
2100 UTC WED JUL 26 2017
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
TROPICAL STORM CENTER LOCATED NEAR 15.1N 122.8W AT 26/2100Z
POSITION ACCURATE WITHIN 20 NM
PRESENT MOVEMENT TOWARD THE WEST-SOUTHWEST OR 250 DEGREES AT 6 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 996 MB
MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT.
34 KT....... 70NE 50SE 50SW 70NW.
12 FT SEAS.. 90NE 60SE 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 15.1N 122.8W AT 26/2100Z
AT 26/1800Z CENTER WAS LOCATED NEAR 15.2N 122.5W
FORECAST VALID 27/0600Z 14.9N 123.7W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 70NE 50SE 50SW 70NW.
FORECAST VALID 27/1800Z 14.5N 124.7W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 70NE 50SE 50SW 70NW.
FORECAST VALID 28/0600Z 14.5N 125.5W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 70NE 50SE 50SW 70NW.
FORECAST VALID 28/1800Z 14.5N 126.0W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 70NE 50SE 50SW 70NW.
FORECAST VALID 29/1800Z 15.5N 125.0W
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 30/1800Z 18.0N 126.0W
MAX WIND 45 KT...GUSTS 55 KT.
OUTLOOK VALID 31/1800Z 21.0N 128.5W
MAX WIND 45 KT...GUSTS 55 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.1N 122.8W
NEXT ADVISORY AT 27/0300Z
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FORECASTER AVILA
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