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Tropical Storm IRWIN


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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
 
$$
FORECASTER AVILA
 
 
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