Hurricane Harvey

Forecast Advisory 40

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127
WTNT24 KNHC 300850
TCMAT4

TROPICAL STORM HARVEY FORECAST/ADVISORY NUMBER 40
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092017
0900 UTC WED AUG 30 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE TROPICAL STORM WARNING AND STORM SURGE WATCH HAVE BEEN
DISCONTINUED FROM HIGH ISLAND TEXAS WESTWARD.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

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

A STORM SURGE WATCH IS IN EFFECT FOR...
* EAST OF HIGH ISLAND TEXAS TO WEST OF HOLLY BEACH LOUISIANA

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* EAST OF HIGH ISLAND 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 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 29.8N 93.4W AT 30/0900Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 30 DEGREES AT 6 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 990 MB
MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT.
34 KT....... 70NE 70SE 70SW 70NW.
12 FT SEAS.. 0NE 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 29.8N 93.4W AT 30/0900Z
AT 30/0600Z CENTER WAS LOCATED NEAR 29.3N 93.5W

FORECAST VALID 30/1800Z 30.4N 92.9W...INLAND
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 40NE 140SE 50SW 50NW.

FORECAST VALID 31/0600Z 31.7N 92.0W...INLAND
MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 31/1800Z 33.3N 90.6W...INLAND
MAX WIND 25 KT...GUSTS 35 KT.

FORECAST VALID 01/0600Z 35.0N 88.7W...INLAND
MAX WIND 25 KT...GUSTS 35 KT.

FORECAST VALID 02/0600Z 37.5N 84.9W...POST-TROP/REMNT LOW
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 03/0600Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 29.8N 93.4W

NEXT ADVISORY AT 30/1500Z

$$
FORECASTER BERG