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TROPICAL STORM NORMA FORECAST/ADVISORY NUMBER  18
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP172017
2100 UTC MON SEP 18 2017
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
TROPICAL STORM CENTER LOCATED NEAR 21.4N 112.8W AT 18/2100Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT   5 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
MAX SUSTAINED WINDS  40 KT WITH GUSTS TO  50 KT.
34 KT....... 60NE  50SE  60SW  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 21.4N 112.8W AT 18/2100Z
AT 18/1800Z CENTER WAS LOCATED NEAR 21.4N 112.5W
 
FORECAST VALID 19/0600Z 21.5N 113.6W
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 50NE   0SE  50SW  50NW.
 
FORECAST VALID 19/1800Z 21.7N 114.8W
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 20/0600Z 22.2N 115.8W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 KT.
 
FORECAST VALID 20/1800Z 23.0N 116.3W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 KT.
 
FORECAST VALID 21/1800Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.4N 112.8W
 
NEXT ADVISORY AT 19/0300Z
 
$$
FORECASTER ZELINSKY
 
 
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