Hurricane Harvey

Forecast Advisory 39

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705
WTNT24 KNHC 300252
TCMAT4

TROPICAL STORM HARVEY FORECAST/ADVISORY NUMBER 39
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092017
0300 UTC WED AUG 30 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE TROPICAL STORM WARNING ALONG THE COAST OF LOUISIANA HAS BEEN
EXTENDED EASTWARD TO GRAND ISLE.

THE TROPICAL STORM WARNING ALONG THE COAST OF TEXAS HAS BEEN
DISCONTINUED TO THE SOUTH OF FREEPORT.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A STORM SURGE WARNING IS IN EFFECT FOR...
* HOLLY BEACH TO MORGAN CITY

A STORM SURGE WATCH IS IN EFFECT FOR...
* PORT BOLIVAR TO WEST OF HOLLY BEACH

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* NORTH OF FREEPORT TEXAS TO GRAND ISLE LOUISIANA

CATASTROPHIC AND LIFE-THREATENING FLOODING CONTINUES IN SOUTHEASTERN
TEXAS AND PORTIONS OF SOUTHWESTERN LOUISIANA. PLEASE SEE WARNINGS
AND OTHER PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE
OFFICE FOR ADDITIONAL INFORMATION ON THIS LIFE-THREATENING
SITUATION.

A STORM SURGE WARNING MEANS THERE IS A DANGER OF LIFE-THREATENING
INUNDATION... FROM RISING WATER MOVING INLAND FROM THE COASTLINE...
DURING THE NEXT 12 TO 24 HOURS IN THE INDICATED LOCATIONS. FOR A
DEPICTION OF AREAS AT RISK... PLEASE SEE THE NATIONAL WEATHER
SERVICE STORM SURGE WATCH/WARNING GRAPHIC... AVAILABLE AT
HURRICANES.GOV. THIS IS A LIFE-THREATENING SITUATION. PERSONS
LOCATED WITHIN THESE AREAS SHOULD TAKE ALL NECESSARY ACTIONS TO
PROTECT LIFE AND PROPERTY FROM RISING WATER AND THE POTENTIAL FOR
OTHER DANGEROUS CONDITIONS. PROMPTLY FOLLOW EVACUATION AND OTHER
INSTRUCTIONS FROM LOCAL OFFICIALS.

TROPICAL STORM CENTER LOCATED NEAR 29.0N 93.6W AT 30/0300Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTHEAST OR 35 DEGREES AT 5 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 994 MB
MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT.
34 KT.......100NE 140SE 60SW 60NW.
12 FT SEAS.. 90NE 90SE 90SW 0NW.
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 29.0N 93.6W AT 30/0300Z
AT 30/0000Z CENTER WAS LOCATED NEAR 28.7N 93.9W

FORECAST VALID 30/1200Z 29.8N 93.0W...INLAND
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 75NE 140SE 50SW 40NW.

FORECAST VALID 31/0000Z 31.1N 92.3W...INLAND
MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 31/1200Z 32.5N 91.2W...INLAND
MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 01/0000Z 34.3N 89.5W...INLAND
MAX WIND 25 KT...GUSTS 35 KT.

FORECAST VALID 02/0000Z 36.8N 85.9W...POST-TROP/INLAND
MAX WIND 25 KT...GUSTS 35 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 03/0000Z 39.0N 81.5W...POST-TROP/INLAND
MAX WIND 20 KT...GUSTS 30 KT.

OUTLOOK VALID 04/0000Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 29.0N 93.6W

NEXT ADVISORY AT 30/0900Z

$$
FORECASTER BROWN