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TROPICAL STORM IRWIN FORECAST/ADVISORY NUMBER  34
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP102017
2100 UTC SUN JUL 30 2017
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
TROPICAL STORM CENTER LOCATED NEAR 18.5N 125.6W AT 30/2100Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 335 DEGREES AT   8 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  996 MB
MAX SUSTAINED WINDS  55 KT WITH GUSTS TO  65 KT.
50 KT....... 30NE  30SE   0SW   0NW.
34 KT....... 50NE  60SE  40SW  30NW.
12 FT SEAS.. 90NE  90SE  60SW  60NW.
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 18.5N 125.6W AT 30/2100Z
AT 30/1800Z CENTER WAS LOCATED NEAR 18.1N 125.4W
 
FORECAST VALID 31/0600Z 20.3N 126.5W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 20NE  20SE   0SW   0NW.
34 KT... 40NE  50SE  30SW  30NW.
 
FORECAST VALID 31/1800Z 22.6N 127.7W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 40NE  40SE  20SW  20NW.
 
FORECAST VALID 01/0600Z 24.7N 129.0W...POST-TROP/REMNT LOW
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 01/1800Z 26.4N 130.5W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 KT.
 
FORECAST VALID 02/1800Z 28.1N 132.6W...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 03/1800Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.5N 125.6W
 
NEXT ADVISORY AT 31/0300Z
 
$$
FORECASTER CANGIALOSI
 
 
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