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Tropical Storm MARCO


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TROPICAL STORM MARCO FORECAST/ADVISORY NUMBER  16
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL142020
0900 UTC MON AUG 24 2020
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE HURRICANE WARNING FROM MORGAN CITY LOUISIANA TO THE MOUTH OF
THE PEARL RIVER HAS BEEN CHANGED TO A TROPICAL STORM WARNING.
 
THE HURRICANE WATCH FOR LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND
METROPOLITAN NEW ORLEANS HAS BEEN DISCONTINUED.
 
THE TROPICAL STORM WATCHES WEST OF INTRACOASTAL CITY LOUISIANA AND
FROM THE MISSISSIPPI/ALABAMA BORDER TO THE ALABAMA/FLORIDA
BORDER HAVE BEEN DISCONTINUED.

ALL STORM SURGE WATCHES HAVE BEEN DISCONTINUED.
 
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 TROPICAL STORM WARNING IS IN EFFECT FOR...
* INTRACOASTAL CITY TO THE MISSISSIPPI/ALABAMA BORDER
* LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND METROPOLITAN NEW ORLEANS
 
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 TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 12
TO 24 HOURS.
 
TROPICAL STORM CENTER LOCATED NEAR 27.6N  88.2W AT 24/0900Z
POSITION ACCURATE WITHIN  45 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 325 DEGREES AT   9 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
MAX SUSTAINED WINDS  50 KT WITH GUSTS TO  60 KT.
50 KT....... 30NE   0SE   0SW   0NW.
34 KT....... 90NE  30SE   0SW  40NW.
12 FT SEAS.. 60NE  60SE  60SW  60NW.
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 27.6N  88.2W AT 24/0900Z
AT 24/0600Z CENTER WAS LOCATED NEAR 27.2N  87.9W
 
FORECAST VALID 24/1800Z 28.6N  89.2W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 90NE  30SE   0SW  40NW.
 
FORECAST VALID 25/0600Z 29.2N  90.8W...INLAND
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 50NE  30SE   0SW  30NW.
 
FORECAST VALID 25/1800Z 29.5N  92.7W...OVER WATER
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 26/0600Z 29.4N  94.5W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 KT.
 
FORECAST VALID 26/1800Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 27.6N  88.2W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 24/1200Z
 
NEXT ADVISORY AT 24/1500Z
 
$$
FORECASTER BLAKE
 
 
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