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HURRICANE MARCO FORECAST/ADVISORY NUMBER  14
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL142020
2100 UTC SUN AUG 23 2020
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
A TROPICAL STORM WARNING HAS BEEN ISSUED FROM CAMERON TO
WEST OF MORGAN CITY...LOUISIANA.
 
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...
* INTRACOASTAL CITY TO WEST OF MORGAN CITY
* 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.
 
HURRICANE CENTER LOCATED NEAR 25.8N  87.8W AT 23/2100Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 340 DEGREES AT  11 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  991 MB
MAX SUSTAINED WINDS  65 KT WITH GUSTS TO  80 KT.
64 KT....... 15NE  15SE   0SW   0NW.
50 KT....... 30NE  30SE   0SW  20NW.
34 KT....... 90NE  70SE  30SW  60NW.
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 25.8N  87.8W AT 23/2100Z
AT 23/1800Z CENTER WAS LOCATED NEAR 25.3N  87.6W
 
FORECAST VALID 24/0600Z 27.1N  88.6W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 15NE  15SE   0SW   0NW.
50 KT... 30NE  30SE   0SW  20NW.
34 KT... 90NE  70SE  30SW  60NW.
 
FORECAST VALID 24/1800Z 28.5N  89.7W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 15NE  15SE   0SW   0NW.
50 KT... 30NE  30SE   0SW  20NW.
34 KT... 70NE  50SE  30SW  45NW.
 
FORECAST VALID 25/0600Z 29.3N  91.4W...INLAND
MAX WIND  50 KT...GUSTS  60 KT.
50 KT...  0NE  15SE   0SW   0NW.
34 KT... 30NE  30SE  10SW  20NW.
 
FORECAST VALID 25/1800Z 29.8N  93.2W...INLAND
MAX WIND  35 KT...GUSTS  45 KT.
34 KT...  0NE  20SE   0SW   0NW.
 
FORECAST VALID 26/0600Z 29.9N  95.1W...POST-TROP/INLAND
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 26/1800Z 29.7N  96.8W...POST-TROP/INLAND
MAX WIND  25 KT...GUSTS  35 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 27/1800Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 25.8N  87.8W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 24/0000Z
 
NEXT ADVISORY AT 24/0300Z
 
$$
FORECASTER LATTO
 
 
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