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HURRICANE NORMA FORECAST/ADVISORY NUMBER   9
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP172017
1500 UTC SAT SEP 16 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE GOVERNMENT OF MEXICO HAS A ISSUED TROPICAL STORM WATCH FROM
SANTA FE TO CABO SAN LAZARO.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* LOS BARRILES TO TODOS SANTOS

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* NORTH OF TODOS SANTOS TO CABO SAN LAZARO

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.

INTERESTS IN THE REMAINDER OF THE BAJA CALIFORNIA PENINSULA SHOULD
MONITOR THE PROGRESS OF NORMA.

HURRICANE CENTER LOCATED NEAR 19.3N 110.1W AT 16/1500Z
POSITION ACCURATE WITHIN  20 NM

PRESENT MOVEMENT TOWARD THE NORTH OR 360 DEGREES AT   0 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  985 MB
MAX SUSTAINED WINDS  65 KT WITH GUSTS TO  80 KT.
64 KT....... 25NE  25SE   0SW   0NW.
50 KT....... 50NE  40SE  30SW  30NW.
34 KT....... 80NE  80SE  70SW  70NW.
12 FT SEAS..135NE 165SE 120SW 105NW.
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 19.3N 110.1W AT 16/1500Z
AT 16/1200Z CENTER WAS LOCATED NEAR 19.1N 110.1W

FORECAST VALID 17/0000Z 19.7N 110.0W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 25NE  25SE   0SW   0NW.
50 KT... 50NE  50SE  40SW  40NW.
34 KT... 90NE  90SE  70SW  70NW.

FORECAST VALID 17/1200Z 20.8N 110.4W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 25NE  25SE   0SW   0NW.
50 KT... 50NE  50SE  40SW  40NW.
34 KT... 90NE  90SE  70SW  70NW.

FORECAST VALID 18/0000Z 21.8N 110.8W
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 18/1200Z 22.6N 111.3W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 50NE  40SE  30SW  40NW.
34 KT... 80NE  70SE  60SW  60NW.

FORECAST VALID 19/1200Z 23.5N 112.5W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 40NE  30SE   0SW  30NW.
34 KT... 70NE  60SE  60SW  60NW.

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 20/1200Z 24.0N 113.0W
MAX WIND  35 KT...GUSTS  45 KT.

OUTLOOK VALID 21/1200Z 24.5N 112.7W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.3N 110.1W

NEXT ADVISORY AT 16/2100Z

$$
FORECASTER LANDSEA


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