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| #1013595 (Received by flhurricane at: 4:57 AM 24.Aug.2020) TCMAT4 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 |