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TROPICAL STORM IRWIN FORECAST/ADVISORY NUMBER  31
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP102017
0300 UTC SUN JUL 30 2017
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
TROPICAL STORM CENTER LOCATED NEAR 16.4N 124.6W AT 30/0300Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE NORTH OR 355 DEGREES AT   7 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1002 MB
MAX SUSTAINED WINDS  45 KT WITH GUSTS TO  55 KT.
34 KT....... 40NE  50SE  30SW  30NW.
12 FT SEAS.. 90NE  90SE  75SW  75NW.
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 16.4N 124.6W AT 30/0300Z
AT 30/0000Z CENTER WAS LOCATED NEAR 16.0N 124.5W
 
FORECAST VALID 30/1200Z 17.7N 125.0W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 40NE  50SE  30SW  30NW.
 
FORECAST VALID 31/0000Z 19.9N 126.0W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 50NE  40SE   0SW  30NW.
 
FORECAST VALID 31/1200Z 22.3N 127.4W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 40NE  30SE   0SW   0NW.
 
FORECAST VALID 01/0000Z 24.6N 128.9W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 KT.
 
FORECAST VALID 02/0000Z 27.4N 132.1W...POST-TROP/REMNT LOW
MAX WIND  20 KT...GUSTS  30 KT.
 
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 03/0000Z 28.5N 133.5W...POST-TROP/REMNT LOW
MAX WIND  15 KT...GUSTS  20 KT.
 
OUTLOOK VALID 04/0000Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.4N 124.6W
 
NEXT ADVISORY AT 30/0900Z
 
$$
FORECASTER BERG
 
 
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