000 WTNT23 KNHC 181439 TCMAT3 POTENTIAL TROPICAL CYCLONE THREE FORECAST/ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL AL032021 1500 UTC FRI JUN 18 2021 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE TROPICAL STORM WARNING HAS BEEN DISCONTINUED FROM MORGAN CITY WESTWARD TO INTRACOASTAL CITY...LOUISIANA. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * EAST OF MORGAN CITY...LOUISIANA TO THE OKALOOSA/WALTON COUNTY LINE FLORIDA. * LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND METROPOLITAN NEW ORLEANS A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 12 HOURS. INTERESTS ELSEWHERE ALONG THE NORTHERN GULF COAST SHOULD MONITOR THE PROGRESS OF THIS SYSTEM. POTENTIAL TROP CYCLONE CENTER LOCATED NEAR 26.5N 91.1W AT 18/1500Z POSITION ACCURATE WITHIN 60 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 15 DEGREES AT 12 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT. 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 26.5N 91.1W AT 18/1500Z AT 18/1200Z CENTER WAS LOCATED NEAR 25.9N 91.1W FORECAST VALID 19/0000Z 28.2N 90.9W...TROPICAL CYCLONE MAX WIND 35 KT...GUSTS 45 KT. 34 KT...120NE 180SE 0SW 0NW. FORECAST VALID 19/1200Z 30.3N 90.3W...INLAND MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 60NE 150SE 0SW 0NW. FORECAST VALID 20/0000Z 32.1N 88.9W...INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 20/1200Z 33.4N 86.4W...INLAND MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 21/0000Z 34.5N 83.8W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 21/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 26.5N 91.1W INTERMEDIATE PUBLIC ADVISORY...WTNT33 KNHC/MIATCPAT3...AT 18/1800Z NEXT ADVISORY AT 18/2100Z $$ FORECASTER CANGIALOSI