000 WTNT23 KNHC 251456 TCMAT3 HURRICANE LAURA FORECAST/ADVISORY NUMBER 23 NWS NATIONAL HURRICANE CENTER MIAMI FL AL132020 1500 UTC TUE AUG 25 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... A STORM SURGE WARNING IS IN EFFECT FROM SAN LUIS PASS TEXAS TO THE MOUTH OF THE MISSISSIPPI RIVER...INCLUDING AREAS INSIDE THE PORT ARTHUR HURRICANE FLOOD PROTECTION SYSTEM. A HURRICANE WARNING IS IN EFFECT FROM SAN LUIS PASS TEXAS TO INTRACOASTAL CITY LOUISIANA. A TROPICAL STORM WARNING IS IN EFFECT FROM SARGENT TEXAS TO SAN LUIS PASS AND FROM EAST OF INTRACOASTAL CITY TO THE MOUTH OF THE MISSISSIPPI RIVER. A STORM SURGE WATCH IS IN EFFECT FROM FREEPORT TEXAS TO SAN LUIS PASS. THE TROPICAL STORM WARNING FOR THE DRY TORTUGAS HAS BEEN DISCONTINUED. THE TROPICAL STORM WARNING FOR CUBA HAS BEEN DISCONTINUED. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A STORM SURGE WARNING IS IN EFFECT FOR... * SAN LUIS PASS TEXAS TO THE MOUTH OF THE MISSISSIPPI RIVER A HURRICANE WARNING IS IN EFFECT FOR... * SAN LUIS PASS TEXAS TO INTRACOASTAL CITY LOUISIANA A TROPICAL STORM WARNING IS IN EFFECT FOR... * SARGENT TEXAS TO SAN LUIS PASS * EAST OF INTRACOASTAL CITY LOUISIANA TO THE MOUTH OF THE MISSISSIPPI RIVER A STORM SURGE WATCH IS IN EFFECT FOR... * FREEPORT TEXAS TO SAN LUIS PASS * MOUTH OF THE MISSISSIPPI RIVER TO OCEAN SPRINGS MISSISSIPPI * LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND LAKE BORGNE A HURRICANE WATCH IS IN EFFECT FOR... * EAST OF INTRACOASTAL CITY TO WEST OF MORGAN CITY LOUISIANA 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. A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. HURRICANE CENTER LOCATED NEAR 23.7N 87.0W AT 25/1500Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT 14 KT ESTIMATED MINIMUM CENTRAL PRESSURE 990 MB MAX SUSTAINED WINDS 65 KT WITH GUSTS TO 80 KT. 64 KT....... 40NE 0SE 0SW 0NW. 50 KT....... 60NE 60SE 40SW 40NW. 34 KT.......150NE 140SE 60SW 90NW. 12 FT SEAS..210NE 100SE 30SW 150NW. 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 23.7N 87.0W AT 25/1500Z AT 25/1200Z CENTER WAS LOCATED NEAR 23.3N 86.3W FORECAST VALID 26/0000Z 24.6N 89.2W MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 40NE 30SE 30SW 30NW. 50 KT... 60NE 60SE 40SW 40NW. 34 KT...150NE 140SE 60SW 100NW. FORECAST VALID 26/1200Z 26.0N 91.5W MAX WIND 90 KT...GUSTS 110 KT. 64 KT... 40NE 30SE 30SW 30NW. 50 KT... 60NE 60SE 40SW 40NW. 34 KT...140NE 130SE 60SW 100NW. FORECAST VALID 27/0000Z 28.0N 93.3W MAX WIND 100 KT...GUSTS 120 KT. 64 KT... 35NE 30SE 30SW 30NW. 50 KT... 60NE 60SE 50SW 50NW. 34 KT...130NE 120SE 60SW 100NW. FORECAST VALID 27/1200Z 30.5N 93.9W...INLAND MAX WIND 80 KT...GUSTS 100 KT. 64 KT... 30NE 30SE 20SW 20NW. 50 KT... 50NE 50SE 30SW 40NW. 34 KT...100NE 110SE 50SW 70NW. FORECAST VALID 28/0000Z 33.1N 93.6W...INLAND MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 30NE 40SE 30SW 30NW. FORECAST VALID 28/1200Z 35.2N 92.1W...INLAND MAX WIND 30 KT...GUSTS 40 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 29/1200Z 37.5N 83.5W...INLAND MAX WIND 25 KT...GUSTS 35 KT. OUTLOOK VALID 30/1200Z 40.5N 69.5W...POST-TROP/EXTRATROP MAX WIND 40 KT...GUSTS 50 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 23.7N 87.0W INTERMEDIATE PUBLIC ADVISORY...WTNT33 KNHC/MIATCPAT3...AT 25/1800Z NEXT ADVISORY AT 25/2100Z $$ FORECASTER BEVEN