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HURRICANE NORMA FORECAST/ADVISORY NUMBER   8
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP172017
0900 UTC SAT SEP 16 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE GOVERNMENT OF MEXICO HAS ISSUED A TROPICAL STORM WARNING FOR
THE BAJA CALIFORNIA PENINSULA FROM LOS BARRILES SOUTHWARD AROUND THE
PENINSULA TO TODOS SANTOS...AND HAS ISSUED A TROPICAL STORM WATCH
NORTH OF TODOS SANTOS TO SANTA FE.

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 SANTA FE

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 19.0N 110.2W AT 16/0900Z
POSITION ACCURATE WITHIN  20 NM

PRESENT MOVEMENT TOWARD THE NORTH OR 360 DEGREES AT   0 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  987 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..150NE 180SE  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 19.0N 110.2W AT 16/0900Z
AT 16/0600Z CENTER WAS LOCATED NEAR 19.0N 110.2W

FORECAST VALID 16/1800Z 19.7N 110.3W
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 17/0600Z 20.4N 110.4W
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 21.5N 110.8W
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 18/0600Z 22.5N 111.3W
MAX WIND  70 KT...GUSTS  85 KT.
50 KT... 50NE  50SE  40SW  40NW.
34 KT... 90NE  90SE  80SW  80NW.

FORECAST VALID 19/0600Z 23.5N 112.3W
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 20/0600Z 24.0N 113.0W
MAX WIND  45 KT...GUSTS  55 KT.

OUTLOOK VALID 21/0600Z 24.5N 112.5W
MAX WIND  30 KT...GUSTS  40 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.0N 110.2W

NEXT ADVISORY AT 16/1500Z

$$
FORECASTER AVILA


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