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TROPICAL STORM SALLY FORECAST/ADVISORY NUMBER   8
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL192020
1500 UTC SUN SEP 13 2020
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE HURRICANE WARNING ALONG THE COAST OF LOUISIANA HAS BEEN
EXTENDED WESTWARD TO MORGAN CITY.
 
A TROPICAL STORM WARNING HAS BEEN ISSUED FOR THE COAST OF LOUISIANA
FROM WEST OF MORGAN CITY TO INTRACOASTAL CITY.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A STORM SURGE WARNING IS IN EFFECT FOR...
* PORT FOURCHON LOUISIANA TO THE MISSISSIPPI/ALABAMA BORDER
* LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND LAKE BORGNE
 
A HURRICANE WARNING IS IN EFFECT FOR...
* MORGAN CITY LOUISIANA TO OCEAN SPRINGS MISSISSIPPI
* LAKE PONTCHARTRAIN AND LAKE MAUREPAS INCLUDING METROPOLITAN NEW
ORLEANS
 
A STORM SURGE WATCH IS IN EFFECT FOR...
* MISSISSIPPI/ALABAMA BORDER TO THE ALABAMA/FLORIDA BORDER
 
A HURRICANE WATCH IS IN EFFECT FOR...
* EAST OF OCEAN SPRINGS TO THE ALABAMA/FLORIDA BORDER
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* EAST OF OCEAN SPRINGS TO INDIAN PASS
* INTRACOASTAL CITY LOUISIANA TO WEST OF MORGAN CITY
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* INDIAN PASS TO OCHLOCKONEE RIVER FLORIDA
 
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...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.
 
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA.  A WARNING IS TYPICALLY ISSUED
36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF
TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE
PREPARATIONS DIFFICULT OR DANGEROUS.  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 WITHIN 36 HOURS.
 
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 HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA.
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN 12 TO 24 HOURS.
 
TROPICAL STORM CENTER LOCATED NEAR 27.5N  84.9W AT 13/1500Z
POSITION ACCURATE WITHIN  25 NM
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 295 DEGREES AT  10 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  998 MB
MAX SUSTAINED WINDS  50 KT WITH GUSTS TO  60 KT.
50 KT....... 30NE  30SE   0SW   0NW.
34 KT....... 60NE  80SE   0SW  20NW.
12 FT SEAS.. 30NE  30SE   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 27.5N  84.9W AT 13/1500Z
AT 13/1200Z CENTER WAS LOCATED NEAR 27.3N  84.6W
 
FORECAST VALID 14/0000Z 28.0N  86.6W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 30NE  30SE   0SW   0NW.
34 KT... 90NE  80SE   0SW  40NW.
 
FORECAST VALID 14/1200Z 28.5N  88.2W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 20NE   0SE   0SW   0NW.
50 KT... 40NE  20SE   0SW  20NW.
34 KT... 90NE  80SE  20SW  70NW.
 
FORECAST VALID 15/0000Z 28.9N  89.4W
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 20NE  10SE  10SW  15NW.
50 KT... 40NE  20SE  20SW  30NW.
34 KT...100NE  80SE  50SW  70NW.
 
FORECAST VALID 15/1200Z 29.7N  90.2W...INLAND
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 20NE  10SE   0SW  10NW.
50 KT... 40NE  30SE  20SW  30NW.
34 KT...100NE  80SE  50SW  60NW.
 
FORECAST VALID 16/0000Z 30.3N  90.5W...INLAND
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 20NE  20SE   0SW   0NW.
34 KT... 60NE  90SE  20SW  40NW.
 
FORECAST VALID 16/1200Z 31.5N  90.3W...INLAND
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 30NE  60SE  20SW  20NW.
 
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 17/1200Z 33.6N  88.3W...INLAND
MAX WIND  25 KT...GUSTS  35 KT.
 
OUTLOOK VALID 18/1200Z 34.8N  83.8W...POST-TROP/REMNT LOW
MAX WIND  20 KT...GUSTS  30 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 27.5N  84.9W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 13/1800Z
 
NEXT ADVISORY AT 13/2100Z
 
$$
FORECASTER BROWN
 
 
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