Hurricane Harvey

Forecast Advisory 30



436
WTNT24 KNHC 272045
TCMAT4

TROPICAL STORM HARVEY FORECAST/ADVISORY NUMBER 30
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092017
2100 UTC SUN AUG 27 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

A TROPICAL STORM WATCH HAS BEEN ISSUED FOR THE COAST OF TEXAS FROM
NORTH OF SARGENT TO SAN LUIS PASS.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* PORT O'CONNOR TO SARGENT TEXAS

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* NORTH OF SARGENT TO SAN LUIS PASS TEXAS

CATASTROPHIC AND LIFE-THREATENING FLOODING IS OCCURRING IN
SOUTHEASTERN TEXAS...AND FLASH FLOOD EMERGENCIES ARE IN EFFECT
FOR PORTIONS OF THIS AREA. PLEASE SEE WARNINGS AND OTHER PRODUCTS
ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL
INFORMATION ON THIS LIFE-THREATENING SITUATION.

TROPICAL STORM CENTER LOCATED NEAR 29.0N 97.0W AT 27/2100Z
POSITION ACCURATE WITHIN 15 NM

PRESENT MOVEMENT TOWARD THE SOUTHEAST OR 140 DEGREES AT 2 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB
MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT.
34 KT.......120NE 60SE 30SW 60NW.
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 97.0W AT 27/2100Z
AT 27/1800Z CENTER WAS LOCATED NEAR 29.0N 97.2W

FORECAST VALID 28/0600Z 28.7N 96.8W...INLAND
MAX WIND 35 KT...GUSTS 45 KT.
34 KT...120NE 60SE 20SW 30NW.

FORECAST VALID 28/1800Z 28.4N 96.4W...NEAR THE COAST
MAX WIND 35 KT...GUSTS 45 KT.
34 KT...120NE 90SE 20SW 30NW.

FORECAST VALID 29/0600Z 28.2N 96.0W...OVER WATER
MAX WIND 40 KT...GUSTS 50 KT.
34 KT...120NE 90SE 20SW 30NW.

FORECAST VALID 29/1800Z 28.4N 95.6W...OVER WATER
MAX WIND 40 KT...GUSTS 50 KT.
34 KT...120NE 90SE 30SW 40NW.

FORECAST VALID 30/1800Z 29.9N 95.2W...INLAND
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 80NE 100SE 30SW 30NW.

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 31/1800Z 31.8N 94.7W...INLAND
MAX WIND 30 KT...GUSTS 40 KT.

OUTLOOK VALID 01/1800Z 33.5N 93.4W...INLAND
MAX WIND 25 KT...GUSTS 35 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 29.0N 97.0W

NEXT ADVISORY AT 28/0300Z

$$
FORECASTER BROWN




007
WTNT25 KNHC 272046
TCMAT5

POTENTIAL TROPICAL CYCLONE TEN FORECAST/ADVISORY NUMBER 1
NWS NATIONAL HURRICANE CENTER MIAMI FL AL102017
2100 UTC SUN AUG 27 2017

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

A TROPICAL STORM WATCH IS IN EFFECT FROM SOUTH SANTEE RIVER... SOUTH
CAROLINA... TO DUCK... NORTH CAROLINA.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* SOUTH SANTEE RIVER TO DUCK

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA... IN THIS CASE WITHIN THE NEXT 24 TO
48 HOURS.

POTENTIAL TROP CYCLONE CENTER LOCATED NEAR 31.2N 80.0W AT 27/2100Z
POSITION ACCURATE WITHIN 45 NM

PRESENT MOVEMENT TOWARD THE NORTH OR 360 DEGREES AT 0 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB
MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT.
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 31.2N 80.0W AT 27/2100Z
AT 27/1800Z CENTER WAS LOCATED NEAR 31.0N 80.0W

FORECAST VALID 28/0600Z 31.6N 80.1W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 30NE 30SE 0SW 0NW.

FORECAST VALID 28/1800Z 32.4N 80.0W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 30NE 30SE 0SW 0NW.

FORECAST VALID 29/0600Z 34.1N 78.0W...INLAND
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 0NE 60SE 0SW 0NW.

FORECAST VALID 29/1800Z 36.6N 75.0W...POST-TROPICAL
MAX WIND 45 KT...GUSTS 55 KT.
34 KT...120NE 90SE 40SW 80NW.

FORECAST VALID 30/1800Z 40.0N 66.0W...POST-TROP/EXTRATROP
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 70NE 0SE 60SW 70NW.
34 KT...180NE 210SE 180SW 150NW.

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 31/1800Z 43.0N 55.0W...POST-TROP/EXTRATROP
MAX WIND 60 KT...GUSTS 75 KT.

OUTLOOK VALID 01/1800Z 47.0N 43.0W...POST-TROP/EXTRATROP
MAX WIND 50 KT...GUSTS 60 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 31.2N 80.0W

NEXT ADVISORY AT 28/0300Z

$$
FORECASTER BRENNAN