000
WTNT23 KNHC 070250
TCMAT3

HURRICANE KATIA FORECAST/ADVISORY NUMBER   6
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL132017
0300 UTC THU SEP 07 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE GOVERNMENT OF MEXICO HAS EXTENDED THE HURRICANE WATCH NORTHWARD
ALONG THE COAST OF MEXICO TO CABO ROJO.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WATCH IS IN EFFECT FOR...
* CABO ROJO TO LAGUNA VERDE

A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA.  A WATCH IS TYPICALLY ISSUED 48 HOURS
BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE
WINDS... CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR
DANGEROUS.

HURRICANE WARNINGS WILL LIKELY BE ISSUED ON THURSDAY MORNING FOR A
PORTION OF THE WATCH AREA.

HURRICANE CENTER LOCATED NEAR 21.7N  94.8W AT 07/0300Z
POSITION ACCURATE WITHIN  10 NM

PRESENT MOVEMENT TOWARD THE EAST-SOUTHEAST OR 105 DEGREES AT   2 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  989 MB
EYE DIAMETER   5 NM
MAX SUSTAINED WINDS  70 KT WITH GUSTS TO  85 KT.
64 KT....... 10NE  10SE  10SW   5NW.
50 KT....... 15NE  15SE  15SW  10NW.
34 KT....... 40NE  40SE  40SW  20NW.
12 FT SEAS.. 45NE  30SE  30SW  45NW.
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 21.7N  94.8W AT 07/0300Z
AT 07/0000Z CENTER WAS LOCATED NEAR 21.7N  94.9W

FORECAST VALID 07/1200Z 21.5N  94.6W
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 10NE  10SE  10SW   5NW.
50 KT... 15NE  20SE  20SW  15NW.
34 KT... 40NE  50SE  50SW  30NW.

FORECAST VALID 08/0000Z 21.3N  94.8W
MAX WIND  90 KT...GUSTS 110 KT.
64 KT... 10NE  10SE  10SW  10NW.
50 KT... 20NE  20SE  30SW  20NW.
34 KT... 50NE  50SE  70SW  50NW.

FORECAST VALID 08/1200Z 21.1N  95.4W
MAX WIND  95 KT...GUSTS 115 KT.
64 KT... 15NE  15SE  15SW  15NW.
50 KT... 20NE  20SE  30SW  30NW.
34 KT... 50NE  50SE  70SW  70NW.

FORECAST VALID 09/0000Z 20.6N  96.4W
MAX WIND  95 KT...GUSTS 115 KT.
50 KT... 20NE  20SE  30SW  30NW.
34 KT... 50NE  50SE  70SW  70NW.

FORECAST VALID 10/0000Z 19.0N  98.5W...POST-TROP/INLAND
MAX WIND  20 KT...GUSTS  30 KT.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY

OUTLOOK VALID 11/0000Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.7N  94.8W

NEXT ADVISORY AT 07/0900Z

$$
FORECASTER BLAKE