Hurricane Harvey

Forecast Advisory 24

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037
WTNT24 KNHC 260854
TCMAT4

HURRICANE HARVEY FORECAST/ADVISORY NUMBER 24
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092017
0900 UTC SAT AUG 26 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE HURRICANE WARNING AND STORM SURGE WARNING HAVE BEEN
DISCONTINUED SOUTH OF BAFFIN BAY. THE HURRICANE WARNING NORTH OF
PORT O'CONNOR TO SARGENT HAS BEEN CHANGED TO A TROPICAL STORM
WARNING.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A STORM SURGE WARNING IS IN EFFECT FOR...
* BAFFIN BAY TO HIGH ISLAND TEXAS

A HURRICANE WARNING IS IN EFFECT FOR...
* BAFFIN BAY TO PORT O'CONNOR TEXAS

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* NORTH OF PORT O'CONNOR TO HIGH ISLAND TEXAS

A STORM SURGE WARNING MEANS THERE IS A DANGER OF LIFE-THREATENING
INUNDATION FROM RISING WATER MOVING INLAND FROM THE COASTLINE 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.

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

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

INTERESTS IN SOUTHWESTERN LOUISIANA SHOULD CONTINUE TO MONITOR THE
PROGRESS OF THIS SYSTEM.

HURRICANE CENTER LOCATED NEAR 28.5N 97.2W AT 26/0900Z
POSITION ACCURATE WITHIN 10 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 325 DEGREES AT 5 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 963 MB
EYE DIAMETER 10 NM
MAX SUSTAINED WINDS 85 KT WITH GUSTS TO 105 KT.
64 KT....... 30NE 25SE 20SW 25NW.
50 KT....... 50NE 50SE 30SW 40NW.
34 KT.......120NE 100SE 70SW 70NW.
12 FT SEAS..150NE 180SE 0SW 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 28.5N 97.2W AT 26/0900Z
AT 26/0600Z CENTER WAS LOCATED NEAR 28.2N 97.1W

FORECAST VALID 26/1800Z 28.8N 97.4W...INLAND
MAX WIND 70 KT...GUSTS 85 KT.
64 KT... 20NE 20SE 10SW 15NW.
50 KT... 40NE 40SE 20SW 30NW.
34 KT...100NE 100SE 60SW 70NW.

FORECAST VALID 27/0600Z 29.0N 97.6W...INLAND
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 30NE 30SE 20SW 20NW.
34 KT... 70NE 80SE 40SW 60NW.

FORECAST VALID 27/1800Z 28.7N 97.6W...INLAND
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 60NE 60SE 40SW 50NW.

FORECAST VALID 28/0600Z 28.5N 97.3W...INLAND
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 70NE 50SE 40SW 50NW.

FORECAST VALID 29/0600Z 28.3N 96.8W...INLAND
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 70NE 60SE 50SW 40NW.

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 30/0600Z 29.0N 96.5W...INLAND
MAX WIND 35 KT...GUSTS 45 KT.

OUTLOOK VALID 31/0600Z 30.0N 96.5W...INLAND
MAX WIND 30 KT...GUSTS 40 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 28.5N 97.2W

NEXT ADVISORY AT 26/1500Z

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FORECASTER BERG