ZCZC MIATCMAT4 ALL
TTAA00 KNHC DDHHMM
 
TROPICAL STORM ISAIAS FORECAST/ADVISORY NUMBER  19
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092020
2100 UTC SAT AUG 01 2020
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE TROPICAL STORM WATCH HAS BEEN EXTENDED NORTHWARD FROM ALTAMAHA
SOUND GEORGIA TO SOUTH SANTEE RIVER SOUTH CAROLINA.
 
THE HURRICANE WATCH FROM HALLANDALE BEACH TO SOUTH OF BOCA RATON
FLORIDA HAS BEEN DISCONTINUED.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A HURRICANE WARNING IS IN EFFECT FOR...
* BOCA RATON TO THE VOLUSIA/FLAGLER COUNTY LINE FLORIDA
* NORTHWESTERN BAHAMAS
 
A STORM SURGE WATCH IS IN EFFECT FOR...
* JUPITER INLET TO PONTE VEDRA BEACH FLORIDA
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* NORTH OF OCEAN REEF TO SOUTH OF BOCA RATON FLORIDA
* LAKE OKEECHOBEE
* VOLUSIA/FLAGLER COUNTY LINE TO PONTE VEDRA BEACH FLORIDA
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* NORTH OF PONTE VEDRA BEACH FLORIDA TO SOUTH SANTEE RIVER SOUTH
CAROLINA
 
INTERESTS ELSEWHERE ALONG THE SOUTHEAST AND MID-ATLANTIC COASTS OF 
THE UNITED STATES SHOULD MONITOR THE PROGRESS OF ISAIAS.  
ADDITIONAL WATCHES OR WARNINGS MAY BE REQUIRED TONIGHT AND SUNDAY.
 
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA. PREPARATIONS TO PROTECT LIFE
AND PROPERTY SHOULD BE RUSHED TO COMPLETION.
 
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.
FOR A DEPICTION OF AREAS AT RISK...PLEASE SEE THE NATIONAL WEATHER
SERVICE STORM SURGE WATCH/WARNING GRAPHIC...AVAILABLE AT
HURRICANES.GOV.
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA.
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.
 
TROPICAL STORM CENTER LOCATED NEAR 25.1N  78.7W AT 01/2100Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT   9 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  993 MB
MAX SUSTAINED WINDS  60 KT WITH GUSTS TO  75 KT.
50 KT....... 40NE  30SE   0SW  30NW.
34 KT....... 90NE  50SE   0SW  90NW.
12 FT SEAS..150NE  45SE   0SW  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 25.1N  78.7W AT 01/2100Z
AT 01/1800Z CENTER WAS LOCATED NEAR 24.8N  78.3W
 
FORECAST VALID 02/0600Z 26.1N  79.4W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 20NE  15SE   0SW  15NW.
50 KT... 40NE  30SE  20SW  30NW.
34 KT...100NE  70SE  30SW 100NW.
 
FORECAST VALID 02/1800Z 27.4N  80.1W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 20NE  15SE   0SW  15NW.
50 KT... 40NE  30SE   0SW  30NW.
34 KT...100NE  70SE  30SW 100NW.
 
FORECAST VALID 03/0600Z 28.8N  80.7W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 40NE  30SE   0SW  30NW.
34 KT...100NE  70SE  30SW  80NW.
 
FORECAST VALID 03/1800Z 30.7N  80.6W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 40NE  30SE  20SW  30NW.
34 KT...100NE  80SE  30SW  80NW.
 
FORECAST VALID 04/0600Z 33.4N  79.1W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 50NE  50SE   0SW  30NW.
34 KT...100NE 100SE  30SW  60NW.
 
FORECAST VALID 04/1800Z 37.4N  76.3W...INLAND
MAX WIND  45 KT...GUSTS  55 KT.
34 KT...110NE 110SE  40SW  60NW.
 
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 05/1800Z 45.4N  68.0W...POST-TROP/EXTRATROP
MAX WIND  45 KT...GUSTS  55 KT.
 
OUTLOOK VALID 06/1800Z 50.7N  57.9W...POST-TROP/EXTRATROP
MAX WIND  40 KT...GUSTS  50 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 25.1N  78.7W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 02/0000Z
 
NEXT ADVISORY AT 02/0300Z
 
$$
FORECASTER STEWART
 
 
NNNN