Hurricane Harvey

Forecast Advisory 25

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512
WTNT24 KNHC 261450
TCMAT4

HURRICANE HARVEY FORECAST/ADVISORY NUMBER 25
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092017
1500 UTC SAT AUG 26 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE STORM SURGE WARNING FOR THE TEXAS COAST SOUTH OF PORT ARANSAS
HAS BEEN DISCONTINUED.

THE HURRICANE WARNING FOR THE TEXAS COAST HAS BEEN REPLACED WITH A
TROPICAL STORM WARNING.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A STORM SURGE WARNING IS IN EFFECT FOR...
* PORT ARANSAS TO HIGH ISLAND TEXAS

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

HURRICANE WARNINGS CONTINUE FOR INLAND AREAS NEAR THE CENTER OF
HARVEY. PLEASE SEE PRODUCTS FROM YOUR LOCAL NATIONAL WEATHER
SERVICE OFFICE.

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

HURRICANE CENTER LOCATED NEAR 28.9N 97.3W AT 26/1500Z
POSITION ACCURATE WITHIN 10 NM

PRESENT MOVEMENT TOWARD THE NORTH OR 350 DEGREES AT 2 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 984 MB
MAX SUSTAINED WINDS 65 KT WITH GUSTS TO 80 KT.
64 KT....... 20NE 20SE 20SW 20NW.
50 KT....... 50NE 50SE 30SW 40NW.
34 KT.......120NE 100SE 70SW 70NW.
12 FT SEAS..150NE 120SE 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 28.9N 97.3W AT 26/1500Z
AT 26/1200Z CENTER WAS LOCATED NEAR 28.7N 97.2W

FORECAST VALID 27/0000Z 29.1N 97.4W...INLAND
MAX WIND 45 KT...GUSTS 55 KT.
34 KT...100NE 100SE 50SW 50NW.

FORECAST VALID 27/1200Z 29.2N 97.5W...INLAND
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 70NE 80SE 30SW 30NW.

FORECAST VALID 28/0000Z 29.0N 97.5W...INLAND
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 70NE 80SE 30SW 30NW.

FORECAST VALID 28/1200Z 28.7N 97.0W...INLAND
MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 29/1200Z 28.7N 96.7W...INLAND
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 30/1200Z 29.5N 96.7W...INLAND
MAX WIND 30 KT...GUSTS 40 KT.

OUTLOOK VALID 31/1200Z 30.5N 96.5W...INLAND
MAX WIND 30 KT...GUSTS 40 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 28.9N 97.3W

NEXT ADVISORY AT 26/2100Z

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FORECASTER AVILA/LAPENTA