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TROPICAL STORM IRWIN FORECAST/ADVISORY NUMBER  17
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP102017
1500 UTC WED JUL 26 2017
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
TROPICAL STORM CENTER LOCATED NEAR 15.6N 122.1W AT 26/1500Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE WEST-SOUTHWEST OR 255 DEGREES AT   6 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  994 MB
MAX SUSTAINED WINDS  55 KT WITH GUSTS TO  65 KT.
50 KT....... 30NE  20SE  10SW  30NW.
34 KT....... 60NE  40SE  30SW  60NW.
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 15.6N 122.1W AT 26/1500Z
AT 26/1200Z CENTER WAS LOCATED NEAR 15.7N 121.8W
 
FORECAST VALID 27/0000Z 15.3N 123.0W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 50NE  30SE  20SW  50NW.
 
FORECAST VALID 27/1200Z 14.9N 124.1W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 50NE  30SE  20SW  50NW.
 
FORECAST VALID 28/0000Z 14.5N 125.0W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 50NE  30SE  20SW  50NW.
 
FORECAST VALID 28/1200Z 14.5N 125.5W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 50NE  30SE  20SW  50NW.
 
FORECAST VALID 29/1200Z 15.0N 125.0W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 50NE  30SE  20SW  50NW.
 
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 30/1200Z 17.5N 125.0W
MAX WIND  45 KT...GUSTS  55 KT.
 
OUTLOOK VALID 31/1200Z 20.5N 126.0W
MAX WIND  45 KT...GUSTS  55 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.6N 122.1W
 
NEXT ADVISORY AT 26/2100Z
 
$$
FORECASTER AVILA
 
 
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