Hurricane Harvey

Forecast Advisory 41

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326
WTNT24 KNHC 301447
TCMAT4

TROPICAL STORM HARVEY FORECAST/ADVISORY NUMBER 41
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092017
1500 UTC WED AUG 30 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

THE STORM SURGE WATCH IS DISCONTINUED WEST OF SABINE PASS... TEXAS.

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...
* SABINE PASS 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 30.5N 93.3W AT 30/1500Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 20 DEGREES AT 7 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 993 MB
MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT.
34 KT....... 40NE 70SE 70SW 40NW.
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 30.5N 93.3W AT 30/1500Z...INLAND
AT 30/1200Z CENTER WAS LOCATED NEAR 30.2N 93.5W...INLAND

FORECAST VALID 31/0000Z 31.4N 92.7W...INLAND
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 0NE 140SE 0SW 0NW.

FORECAST VALID 31/1200Z 32.8N 91.7W...INLAND
MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 01/0000Z 34.4N 90.1W...INLAND
MAX WIND 25 KT...GUSTS 35 KT.

FORECAST VALID 01/1200Z 35.8N 88.3W...INLAND
MAX WIND 25 KT...GUSTS 35 KT.

FORECAST VALID 02/1200Z 38.5N 84.5W...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 03/1200Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 30.5N 93.3W

NEXT ADVISORY AT 30/2100Z

$$
FORECASTER BEVEN





907
WTNT21 KNHC 301448
TCMAT1

TROPICAL STORM IRMA FORECAST/ADVISORY NUMBER 1
NWS NATIONAL HURRICANE CENTER MIAMI FL AL112017
1500 UTC WED AUG 30 2017

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

TROPICAL STORM CENTER LOCATED NEAR 16.4N 30.3W AT 30/1500Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 11 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1004 MB
MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT.
34 KT....... 20NE 0SE 0SW 30NW.
12 FT SEAS.. 20NE 0SE 0SW 30NW.
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 16.4N 30.3W AT 30/1500Z
AT 30/1200Z CENTER WAS LOCATED NEAR 16.4N 29.8W

FORECAST VALID 31/0000Z 16.7N 31.9W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 20NE 0SE 0SW 0NW.
34 KT... 40NE 20SE 0SW 40NW.

FORECAST VALID 31/1200Z 17.3N 33.8W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 30NE 0SE 0SW 30NW.
34 KT... 60NE 40SE 20SW 60NW.

FORECAST VALID 01/0000Z 17.9N 35.7W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 30NE 20SE 0SW 30NW.
34 KT... 60NE 40SE 30SW 60NW.

FORECAST VALID 01/1200Z 18.2N 37.6W
MAX WIND 65 KT...GUSTS 80 KT.
50 KT... 30NE 20SE 0SW 30NW.
34 KT... 70NE 40SE 30SW 60NW.

FORECAST VALID 02/1200Z 18.7N 41.9W
MAX WIND 70 KT...GUSTS 85 KT.
50 KT... 40NE 20SE 10SW 30NW.
34 KT... 80NE 40SE 30SW 60NW.

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 03/1200Z 17.7N 46.5W
MAX WIND 75 KT...GUSTS 90 KT.

OUTLOOK VALID 04/1200Z 17.0N 51.0W
MAX WIND 80 KT...GUSTS 100 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.4N 30.3W

NEXT ADVISORY AT 30/2100Z

$$
FORECASTER BLAKE