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TROPICAL STORM MARCO FORECAST/ADVISORY NUMBER  15
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL142020
0300 UTC MON AUG 24 2020
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE HURRICANE WATCH FROM INTRACOASTAL CITY TO WEST OF MORGAN CITY
HAS BEEN CANCELED.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A STORM SURGE WARNING IS IN EFFECT FOR....
* MORGAN CITY LOUISIANA TO OCEAN SPRINGS MISSISSIPPI
* LAKE BORGNE
 
A HURRICANE WARNING IS IN EFFECT FOR...
* MORGAN CITY LOUISIANA TO THE MOUTH OF THE PEARL RIVER
 
A STORM SURGE WATCH IS IN EFFECT FOR...
* SABINE PASS TO MORGAN CITY LOUISIANA
* OCEAN SPRINGS MISSISSIPPI TO THE MISSISSIPPI/ALABAMA BORDER
* LAKE PONTCHARTRAIN AND LAKE MAUREPAS
 
A HURRICANE WATCH IS IN EFFECT FOR...
* LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND METROPOLITAN NEW ORLEANS
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* MOUTH OF THE PEARL RIVER TO THE MISSISSIPPI/ALABAMA BORDER
* LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND METROPOLITAN NEW ORLEANS
* CAMERON TO WEST OF MORGAN CITY
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* MISSISSIPPI/ALABAMA BORDER TO THE ALABAMA/FLORIDA BORDER
 
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 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 WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA 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 26.8N  87.6W AT 24/0300Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 345 DEGREES AT  10 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB
MAX SUSTAINED WINDS  60 KT WITH GUSTS TO  75 KT.
50 KT....... 30NE  30SE   0SW  20NW.
34 KT....... 60NE  50SE  20SW  50NW.
12 FT SEAS.. 90NE  75SE  75SW  75NW.
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 26.8N  87.6W AT 24/0300Z
AT 24/0000Z CENTER WAS LOCATED NEAR 26.4N  87.6W
 
FORECAST VALID 24/1200Z 28.0N  88.7W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 30NE  30SE   0SW  20NW.
34 KT... 60NE  50SE  20SW  50NW.
 
FORECAST VALID 25/0000Z 29.0N  90.2W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 20NE  20SE   0SW  20NW.
34 KT... 50NE  40SE  20SW  40NW.
 
FORECAST VALID 25/1200Z 29.6N  92.0W...INLAND
MAX WIND  40 KT...GUSTS  50 KT.
34 KT... 30NE  30SE   0SW  20NW.
 
FORECAST VALID 26/0000Z 29.8N  93.6W...INLAND
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 26/1200Z 29.7N  94.9W...POST-TROP/INLAND
MAX WIND  25 KT...GUSTS  35 KT.
 
FORECAST VALID 27/0000Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 26.8N  87.6W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 24/0600Z
 
NEXT ADVISORY AT 24/0900Z
 
$$
FORECASTER ZELINSKY
 
 
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