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TROPICAL STORM NORMA FORECAST/ADVISORY NUMBER   6
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP172017
2100 UTC FRI SEP 15 2017

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

INTERESTS IN BAJA CALIFORNIA SUR SHOULD MONITOR THE PROGRESS OF
NORMA.  A TROPICAL STORM WATCH COULD BE REQUIRED TONIGHT OR
TOMORROW FOR A PART OF THE PENINSULA.

TROPICAL STORM CENTER LOCATED NEAR 18.9N 110.1W AT 15/2100Z
POSITION ACCURATE WITHIN  20 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 325 DEGREES AT   2 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  990 MB
MAX SUSTAINED WINDS  60 KT WITH GUSTS TO  75 KT.
50 KT....... 50NE  40SE  30SW  30NW.
34 KT....... 80NE  80SE  70SW  70NW.
12 FT SEAS..150NE 150SE  90SW  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 18.9N 110.1W AT 15/2100Z
AT 15/1800Z CENTER WAS LOCATED NEAR 18.8N 110.0W

FORECAST VALID 16/0600Z 19.2N 110.3W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 25NE  25SE   0SW   0NW.
50 KT... 50NE  50SE  40SW  40NW.
34 KT... 90NE  90SE  70SW  70NW.

FORECAST VALID 16/1800Z 19.6N 110.4W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 25NE  25SE  20SW  20NW.
50 KT... 50NE  50SE  40SW  40NW.
34 KT... 90NE  90SE  80SW  80NW.

FORECAST VALID 17/0600Z 20.6N 110.6W
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 25NE  25SE  20SW  20NW.
50 KT... 50NE  50SE  40SW  40NW.
34 KT... 90NE  90SE  80SW  80NW.

FORECAST VALID 17/1800Z 21.6N 111.0W
MAX WIND  70 KT...GUSTS  85 KT.
50 KT... 50NE  50SE  40SW  40NW.
34 KT... 90NE  90SE  80SW  80NW.

FORECAST VALID 18/1800Z 23.5N 112.1W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 50NE  40SE  30SW  40NW.
34 KT... 90NE  80SE  70SW  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 19/1800Z 25.0N 112.0W...INLAND
MAX WIND  45 KT...GUSTS  55 KT.

OUTLOOK VALID 20/1800Z 26.0N 111.0W...OVER WATER
MAX WIND  30 KT...GUSTS  40 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.9N 110.1W

NEXT ADVISORY AT 16/0300Z

$$
FORECASTER BERG


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