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HURRICANE HUMBERTO FORECAST/ADVISORY NUMBER  20
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092019
1500 UTC TUE SEP 17 2019

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE BERMUDA WEATHER SERVICE HAS ISSUED A HURRICANE WATCH FOR
BERMUDA.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WATCH IS IN EFFECT FOR...
* BERMUDA

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* BERMUDA

A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA...IN THIS CASE WITHIN 36 HOURS.

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED WITHIN THE WARNING AREA...IN THIS CASE WITHIN 24 TO 36
HOURS.

HURRICANE CENTER LOCATED NEAR 30.7N  73.5W AT 17/1500Z
POSITION ACCURATE WITHIN  15 NM

PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR  75 DEGREES AT   7 KT

ESTIMATED MINIMUM CENTRAL PRESSURE  961 MB
EYE DIAMETER  35 NM
MAX SUSTAINED WINDS  85 KT WITH GUSTS TO 105 KT.
64 KT....... 40NE  50SE  35SW  40NW.
50 KT....... 80NE  80SE  60SW  70NW.
34 KT.......130NE 150SE  80SW 100NW.
12 FT SEAS..180NE 150SE 180SW 180NW.
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 30.7N  73.5W AT 17/1500Z
AT 17/1200Z CENTER WAS LOCATED NEAR 30.6N  73.9W

FORECAST VALID 18/0000Z 31.1N  72.0W
MAX WIND  90 KT...GUSTS 110 KT.
64 KT... 40NE  50SE  50SW  40NW.
50 KT... 80NE  80SE  70SW  70NW.
34 KT...130NE 150SE 120SW 100NW.

FORECAST VALID 18/1200Z 31.8N  69.4W
MAX WIND  95 KT...GUSTS 115 KT.
64 KT... 40NE  50SE  50SW  40NW.
50 KT... 80NE  80SE  70SW  70NW.
34 KT...130NE 150SE 120SW 110NW.

FORECAST VALID 19/0000Z 33.1N  66.1W
MAX WIND  95 KT...GUSTS 115 KT.
64 KT... 50NE  60SE  50SW  40NW.
50 KT... 80NE  90SE  80SW  70NW.
34 KT...140NE 160SE 120SW 110NW.

FORECAST VALID 19/1200Z 35.3N  62.6W
MAX WIND  90 KT...GUSTS 110 KT.
64 KT... 50NE  60SE  50SW  40NW.
50 KT... 80NE  90SE  80SW  70NW.
34 KT...150NE 160SE 120SW 130NW.

FORECAST VALID 20/1200Z 39.6N  58.4W
MAX WIND  70 KT...GUSTS  85 KT.
50 KT... 80NE  90SE  70SW  70NW.
34 KT...160NE 170SE 130SW 210NW.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY

OUTLOOK VALID 21/1200Z 43.0N  52.2W...POST-TROP/EXTRATROP
MAX WIND  60 KT...GUSTS  75 KT.

OUTLOOK VALID 22/1200Z 44.5N  40.0W...POST-TROP/EXTRATROP
MAX WIND  50 KT...GUSTS  60 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 30.7N  73.5W

INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 17/1800Z

NEXT ADVISORY AT 17/2100Z

$$
FORECASTER STEWART


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