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TROPICAL STORM SANDRA FORECAST/ADVISORY NUMBER  18
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP222015
0300 UTC SAT NOV 28 2015

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* ALTATA TO SAN BLAS
* LAS ISLAS MARIAS

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE
NEXT 12 TO 24 HOURS.

TROPICAL STORM CENTER LOCATED NEAR 21.2N 108.8W AT 28/0300Z
POSITION ACCURATE WITHIN  20 NM

PRESENT MOVEMENT TOWARD THE NORTH OR   5 DEGREES AT   9 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  990 MB
MAX SUSTAINED WINDS  55 KT WITH GUSTS TO  65 KT.
50 KT....... 50NE  30SE   0SW  30NW.
34 KT.......130NE 110SE  40SW  60NW.
12 FT SEAS..150NE 120SE  90SW 150NW.
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 21.2N 108.8W AT 28/0300Z
AT 28/0000Z CENTER WAS LOCATED NEAR 20.8N 108.7W

FORECAST VALID 28/1200Z 22.6N 108.3W
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 70NE  60SE  20SW  30NW.

FORECAST VALID 29/0000Z 24.3N 108.1W
MAX WIND  25 KT...GUSTS  35 KT.

FORECAST VALID 29/1200Z 25.9N 107.9W...POST-TROP/INLAND
MAX WIND  20 KT...GUSTS  30 KT.

FORECAST VALID 30/0000Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.2N 108.8W

NEXT ADVISORY AT 28/0900Z

$$
FORECASTER BEVEN


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