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TROPICAL STORM ISAIAS FORECAST/ADVISORY NUMBER  23
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092020
2100 UTC SUN AUG 02 2020
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
A STORM SURGE WARNING IS IN EFFECT FROM EDISTO BEACH SOUTH CAROLINA
TO CAPE FEAR NORTH CAROLINA.
 
A STORM SURGE WATCH IS IN EFFECT FROM CAPE FEAR TO DUCK NORTH
CAROLINA...INCLUDING PAMLICO AND ALBEMARLE SOUNDS. 
 
A HURRICANE WATCH IS IN EFFECT FROM SOUTH SANTEE RIVER SOUTH
CAROLINA TO SURF CITY NORTH CAROLINA.
 
THE TROPICAL STORM WARNING HAS BEEN EXTENDED NORTHWARD TO OCRACOKE
INLET NORTH CAROLINA.
 
THE TROPICAL STORM WATCH HAS BEEN EXTENDED NORTHWARD TO WATCH HILL
RHODE ISLAND...INCLUDING THE CHESAPEAKE BAY...THE TIDAL POTOMAC
RIVER...DELAWARE BAY...LONG ISLAND AND LONG ISLAND SOUND.
 
THE TROPICAL STORM WARNING HAS BEEN DISCONTINUED SOUTH OF SEBASTIAN
INLET FLORIDA.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A STORM SURGE WARNING IS IN EFFECT FOR...
* EDISTO BEACH SOUTH CAROLINA TO CAPE FEAR NORTH CAROLINA
 
A STORM SURGE WATCH IS IN EFFECT FOR...
* CAPE FEAR TO DUCK NORTH CAROLINA
* PAMLICO AND ALBEMARLE SOUNDS
 
A HURRICANE WATCH IS IN EFFECT FOR...
* SOUTH SANTEE RIVER SOUTH CAROLINA TO SURF CITY NORTH CAROLINA
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* SEBASTIAN INLET FLORIDA TO OCRACOKE INLET NORTH CAROLINA
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* OCRACOKE INLET NORTH CAROLINA TO WATCH HILL RHODE ISLAND
* PAMLICO AND ALBEMARLE SOUNDS
* CHESAPEAKE BAY
* TIDAL POTOMAC RIVER
* DELAWARE BAY
* LONG ISLAND AND LONG ISLAND SOUND
 
INTERESTS ELSEWHERE ALONG THE NORTHEAST COAST OF THE UNITED STATES
SHOULD MONITOR THE PROGRESS OF ISAIAS.  ADDITIONAL WATCHES OR
WARNINGS MAY BE REQUIRED TONIGHT OR EARLY MONDAY.
 
A STORM SURGE WARNING MEANS THERE IS A DANGER OF LIFE-THREATENING 
INUNDATION...FROM RISING WATER MOVING INLAND FROM THE COASTLINE... 
DURING THE NEXT 36 HOURS 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 DURING THE NEXT 48 HOURS.
 
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA.
 
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 27.8N  79.8W AT 02/2100Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 345 DEGREES AT   8 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  994 MB
MAX SUSTAINED WINDS  60 KT WITH GUSTS TO  75 KT.
50 KT....... 50NE  30SE   0SW  20NW.
34 KT.......100NE  80SE   0SW  60NW.
12 FT SEAS..150NE  75SE  30SW  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 27.8N  79.8W AT 02/2100Z
AT 02/1800Z CENTER WAS LOCATED NEAR 27.4N  79.7W
 
FORECAST VALID 03/0600Z 29.0N  80.1W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 50NE  30SE   0SW  20NW.
34 KT...100NE  90SE   0SW  60NW.
 
FORECAST VALID 03/1800Z 30.9N  79.9W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 50NE  40SE   0SW  20NW.
34 KT...100NE 100SE   0SW  60NW.
 
FORECAST VALID 04/0600Z 33.7N  78.8W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 50NE  50SE   0SW  20NW.
34 KT...110NE 120SE  30SW  60NW.
 
FORECAST VALID 04/1800Z 38.1N  75.8W...INLAND
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 40NE  40SE   0SW   0NW.
34 KT...110NE 130SE  30SW  40NW.
 
FORECAST VALID 05/0600Z 42.5N  72.2W...INLAND
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...110NE 130SE  30SW  30NW.
 
FORECAST VALID 05/1800Z 46.3N  68.4W...INLAND
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 50NE 120SE   0SW   0NW.
 
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 06/1800Z 54.2N  58.4W...POST-TROP/EXTRATROP
MAX WIND  30 KT...GUSTS  40 KT.
 
OUTLOOK VALID 07/1800Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 27.8N  79.8W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 03/0000Z
 
NEXT ADVISORY AT 03/0300Z
 
$$
FORECASTER STEWART
 
 
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