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WTNT24 KNHC 031451
TCMAT4

TROPICAL STORM ISAIAS FORECAST/ADVISORY NUMBER 26
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092020
1500 UTC MON AUG 03 2020

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

A STORM SURGE WARNING HAS BEEN ISSUED FOR PORTIONS OF THE PAMLICO
AND ALBEMARLE SOUNDS...INCLUDING THE NEUSE AND PAMLICO RIVERS...
AND FOR THE NORTH CAROLINA OUTER BANKS FORM OREGON INLET TO THE
NORTH CAROLINA/VIRGINIA BORDER.

THE TROPICAL STORM WARNING HAS BEEN EXTENDED NORTHWARD TO THE MOUTH
OF THE MERRIMACK RIVER...INCLUDING MARTHA'S VINEYARD...NANTUCKET...
AND BLOCK ISLAND.

THE TROPICAL STORM WATCH FOR THE REMAINDER OF THE CHESAPEAKE BAY AND
THE TIDAL POTOMAC RIVER NORTH OF COBB ISLAND HAS BEEN CHANGED TO A
TROPICAL STORM WARNING.

THE TROPICAL STORM WATCH HAS BEEN EXTENDED NORTHWARD TO EASTPORT
MAINE.

THE TROPICAL STORM WARNING HAS BEEN DISCONTINUED SOUTH OF ALTAMAHA
SOUND.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A STORM SURGE WARNING IS IN EFFECT FOR...
* EDISTO BEACH SOUTH CAROLINA TO CAPE FEAR NORTH CAROLINA
* PAMLICO AND ALBEMARLE SOUNDS, INCLUDING THE NEUSE AND PAMLICO
RIVERS
* OREGON INLET NORTH CAROLINA TO THE NORTH CAROLINA/VIRGINIA BORDER

A STORM SURGE WATCH IS IN EFFECT FOR...
* CAPE FEAR TO OREGON INLET NORTH CAROLINA

A HURRICANE WARNING IS IN EFFECT FOR...
* SOUTH SANTEE RIVER SOUTH CAROLINA TO SURF CITY NORTH CAROLINA

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* ALTAMAHA SOUND GEORGIA TO SOUTH SANTEE RIVER SOUTH CAROLINA
* NORTH OF SURF CITY NORTH CAROLINA TO THE MOUTH OF THE MERRIMACK
RIVER
* PAMLICO AND ALBEMARLE SOUNDS
* CHESAPEAKE BAY
* TIDAL POTOMAC RIVER
* DELAWARE BAY
* LONG ISLAND AND LONG ISLAND SOUND
* MARTHA'S VINEYARD...NANTUCKET...AND BLOCK ISLAND

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* MOUTH OF THE MERRIMACK RIVER TO EASTPORT MAINE

INTERESTS ELSEWHERE ALONG THE NORTHEAST COAST OF THE UNITED STATES
SHOULD MONITOR THE PROGRESS OF ISAIAS. ADDITIONAL WATCHES OR
WARNINGS MAY BE REQUIRED LATER TODAY.

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
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.

A STORM SURGE WATCH MEANS THERE IS A POSSIBILITY OF LIFE-
THREATENING INUNDATION FROM RISING WATER MOVING INLAND FROM THE
COASTLINE IN THE INDICATED LOCATIONS.

A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 12 HOURS.
PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO
COMPLETION.

A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...GENERALLY WITHIN 36
HOURS.

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.

TROPICAL STORM CENTER LOCATED NEAR 30.7N 80.1W AT 03/1500Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTH OR 360 DEGREES AT 11 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 998 MB
MAX SUSTAINED WINDS 60 KT WITH GUSTS TO 75 KT.
50 KT....... 50NE 50SE 0SW 20NW.
34 KT.......100NE 110SE 0SW 60NW.
12 FT SEAS..150NE 120SE 60SW 90NW.
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 30.7N 80.1W AT 03/1500Z
AT 03/1200Z CENTER WAS LOCATED NEAR 30.2N 80.1W

FORECAST VALID 04/0000Z 33.1N 79.2W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 25NE 25SE 0SW 0NW.
50 KT... 50NE 50SE 0SW 20NW.
34 KT...100NE 120SE 0SW 60NW.

FORECAST VALID 04/1200Z 37.2N 77.0W...INLAND
MAX WIND 55 KT...GUSTS 70 KT.
50 KT... 50NE 50SE 0SW 20NW.
34 KT...110NE 140SE 0SW 60NW.

FORECAST VALID 05/0000Z 42.0N 73.8W...INLAND
MAX WIND 50 KT...GUSTS 65 KT.
50 KT... 0NE 70SE 0SW 0NW.
34 KT...120NE 150SE 0SW 40NW.

FORECAST VALID 05/1200Z 46.7N 70.2W...INLAND
MAX WIND 35 KT...GUSTS 50 KT.
34 KT... 0NE 170SE 0SW 0NW.

FORECAST VALID 06/0000Z 50.2N 67.2W...POST-TROP/EXTRATROP
MAX WIND 30 KT...GUSTS 40 KT.

FORECAST VALID 06/1200Z 53.5N 64.2W...POST-TROP/EXTRATROP
MAX WIND 25 KT...GUSTS 35 KT.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY

OUTLOOK VALID 07/1200Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 30.7N 80.1W

INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 03/1800Z

NEXT ADVISORY AT 03/2100Z

$$
FORECASTER STEWART