Hurricane Maria

Forecast Advisory 20



086
WTNT22 KNHC 210251
TCMAT2

TROPICAL STORM JOSE FORECAST/ADVISORY NUMBER 63
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122017
0300 UTC THU SEP 21 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* WOODS HOLE TO SAGAMORE BEACH... INCLUDING CAPE COD
* BLOCK ISLAND
* MARTHA'S VINEYARD
* NANTUCKET

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

TROPICAL STORM CENTER LOCATED NEAR 39.5N 68.2W AT 21/0300Z
POSITION ACCURATE WITHIN 25 NM

PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR 60 DEGREES AT 5 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 982 MB
MAX SUSTAINED WINDS 50 KT WITH GUSTS TO 60 KT.
50 KT....... 50NE 80SE 80SW 50NW.
34 KT.......170NE 200SE 180SW 140NW.
12 FT SEAS..300NE 300SE 270SW 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 39.5N 68.2W AT 21/0300Z
AT 21/0000Z CENTER WAS LOCATED NEAR 39.4N 68.5W

FORECAST VALID 21/1200Z 39.6N 67.7W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT...170NE 190SE 160SW 150NW.

FORECAST VALID 22/0000Z 39.5N 67.7W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT...170NE 140SE 160SW 180NW.

FORECAST VALID 22/1200Z 39.5N 68.5W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT...150NE 130SE 150SW 170NW.

FORECAST VALID 23/0000Z 39.4N 69.0W...POST-TROPICAL
MAX WIND 35 KT...GUSTS 45 KT.
34 KT...120NE 120SE 130SW 130NW.

FORECAST VALID 24/0000Z 39.1N 69.4W...POST-TROP/REMNT LOW
MAX WIND 30 KT...GUSTS 40 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 25/0000Z 39.0N 70.2W...POST-TROP/REMNT LOW
MAX WIND 25 KT...GUSTS 35 KT.

OUTLOOK VALID 26/0000Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 39.5N 68.2W

NEXT ADVISORY AT 21/0900Z

$$
FORECASTER BROWN




717
WTNT25 KNHC 210259
TCMAT5

HURRICANE MARIA FORECAST/ADVISORY NUMBER 20
NWS NATIONAL HURRICANE CENTER MIAMI FL AL152017
0300 UTC THU SEP 21 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE HURRICANE WARNING FOR PUERTO RICO... CULEBRA... AND VIEQUES HAS
BEEN DISCONTINUED.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WARNING IS IN EFFECT FOR...
* DOMINICAN REPUBLIC FROM CABO ENGANO TO PUERTO PLATA
* TURKS AND CAICOS ISLANDS AND THE SOUTHEASTERN BAHAMAS

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* DOMINICAN REPUBLIC WEST OF PUERTO PLATA TO THE NORTHERN BORDER OF
THE DOMINICAN REPUBLIC AND HAITI
* DOMINICAN REPUBLIC WEST OF CABO ENGANO TO PUNTA PALENQUE

A HURRICANE WATCH IS IN EFFECT FOR...
* DOMINICAN REPUBLIC FROM ISLA SAONA TO CABO ENGANO

A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA. PREPARATIONS TO PROTECT LIFE AND
PROPERTY SHOULD BE RUSHED TO COMPLETION.

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

A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA... IN THIS CASE WITHIN THE NEXT 12 HOURS.

INTERESTS ELSEWHERE IN HISPANIOLA AND THE BAHAMAS SHOULD MONITOR THE
PROGRESS OF MARIA.

HURRICANE CENTER LOCATED NEAR 19.2N 67.9W AT 21/0300Z
POSITION ACCURATE WITHIN 15 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT 8 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 959 MB
EYE DIAMETER 20 NM
MAX SUSTAINED WINDS 95 KT WITH GUSTS TO 115 KT.
64 KT....... 50NE 30SE 40SW 40NW.
50 KT....... 70NE 40SE 60SW 70NW.
34 KT.......130NE 100SE 130SW 110NW.
12 FT SEAS..240NE 240SE 150SW 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 19.2N 67.9W AT 21/0300Z
AT 21/0000Z CENTER WAS LOCATED NEAR 18.9N 67.6W

FORECAST VALID 21/1200Z 19.9N 68.8W
MAX WIND 95 KT...GUSTS 115 KT.
64 KT... 50NE 50SE 35SW 40NW.
50 KT... 80NE 80SE 60SW 70NW.
34 KT...130NE 120SE 100SW 120NW.

FORECAST VALID 22/0000Z 21.0N 70.0W
MAX WIND 100 KT...GUSTS 120 KT.
64 KT... 55NE 55SE 40SW 45NW.
50 KT... 80NE 80SE 60SW 70NW.
34 KT...130NE 120SE 100SW 120NW.

FORECAST VALID 22/1200Z 22.3N 70.8W
MAX WIND 100 KT...GUSTS 120 KT.
64 KT... 50NE 50SE 40SW 45NW.
50 KT... 80NE 80SE 60SW 70NW.
34 KT...130NE 120SE 100SW 120NW.

FORECAST VALID 23/0000Z 23.7N 71.5W
MAX WIND 100 KT...GUSTS 120 KT.
50 KT... 80NE 80SE 60SW 70NW.
34 KT...140NE 140SE 100SW 120NW.

FORECAST VALID 24/0000Z 26.8N 72.2W
MAX WIND 100 KT...GUSTS 120 KT.
50 KT...100NE 90SE 70SW 80NW.
34 KT...170NE 170SE 130SW 150NW.

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 25/0000Z 29.5N 72.0W
MAX WIND 90 KT...GUSTS 110 KT.

OUTLOOK VALID 26/0000Z 32.0N 71.0W
MAX WIND 80 KT...GUSTS 100 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.2N 67.9W

NEXT ADVISORY AT 21/0900Z

$$
FORECASTER AVILA