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Tropical Storm SALLY


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TROPICAL STORM SALLY FORECAST/ADVISORY NUMBER   9
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL192020
2100 UTC SUN SEP 13 2020
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
NONE
 
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 27.8N  85.9W AT 13/2100Z
POSITION ACCURATE WITHIN  25 NM
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 295 DEGREES AT   8 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  996 MB
MAX SUSTAINED WINDS  50 KT WITH GUSTS TO  60 KT.
50 KT....... 30NE  30SE   0SW   0NW.
34 KT....... 90NE 110SE   0SW  30NW.
12 FT SEAS..120NE  90SE  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  85.9W AT 13/2100Z
AT 13/1800Z CENTER WAS LOCATED NEAR 27.7N  85.6W
 
FORECAST VALID 14/0600Z 28.3N  87.3W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 30NE  30SE   0SW   0NW.
34 KT... 90NE 110SE  20SW  40NW.
 
FORECAST VALID 14/1800Z 28.7N  88.7W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 20NE  15SE   0SW  15NW.
50 KT... 40NE  30SE   0SW  30NW.
34 KT... 90NE 100SE  30SW  70NW.
 
FORECAST VALID 15/0600Z 29.2N  89.6W
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 20NE  15SE  10SW  15NW.
50 KT... 40NE  30SE  20SW  30NW.
34 KT...100NE 100SE  50SW  70NW.
 
FORECAST VALID 15/1800Z 29.8N  90.1W...INLAND
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 40NE  30SE  20SW  30NW.
34 KT...100NE 100SE  50SW  60NW.
 
FORECAST VALID 16/0600Z 30.7N  90.1W...INLAND
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 60NE  90SE  20SW  40NW.
 
FORECAST VALID 16/1800Z 31.8N  89.6W...INLAND
MAX WIND  30 KT...GUSTS  40 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 17/1800Z 33.5N  87.5W...INLAND
MAX WIND  25 KT...GUSTS  35 KT.
 
OUTLOOK VALID 18/1800Z 34.5N  83.0W...POST-TROP/REMNT LOW
MAX WIND  20 KT...GUSTS  30 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 27.8N  85.9W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 14/0000Z
 
NEXT ADVISORY AT 14/0300Z
 
$$
FORECASTER BROWN
 
 
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