000 WTNT21 KNHC 080251 TCMAT1 HURRICANE NATE FORECAST/ADVISORY NUMBER 15 NWS NATIONAL HURRICANE CENTER MIAMI FL AL162017 0300 UTC SUN OCT 08 2017 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE STORM SURGE WARNING HAS BEEN DISCONTINUED FROM GRAND ISLE LOUISIANA TO THE MOUTH OF THE MISSISSIPPI RIVER AND FOR LAKE PONTCHARTRAIN. THE HURRICANE WARNING FROM GRAND ISLE LOUISIANA TO THE MOUTH OF THE PEARL RIVER HAS BEEN CHANGED TO A TROPICAL STORM WARNING. THE HURRICANE WATCH FROM THE ALABAMA/FLORIDA BORDER TO THE OKALOOSA/ WALTON COUNTY LINE HAS BEEN DISCONTINUED. THE TROPICAL STORM WARNING HAS BEEN DISCONTINUED WEST OF GRAND ISLE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * MOUTH OF THE PEARL RIVER TO THE ALABAMA/FLORIDA BORDER A STORM SURGE WARNING IS IN EFFECT FOR... * MOUTH OF THE MISSISSIPPI RIVER TO THE OKALOOSA/WALTON COUNTY LINE FLORIDA A TROPICAL STORM WARNING IS IN EFFECT FOR... * METROPOLITAN NEW ORLEANS AND LAKE PONTCHARTRAIN * LAKE MAUREPAS * GRAND ISLE LOUISIANA TO THE MOUTH OF THE PEARL RIVER * EAST OF THE ALABAMA/FLORIDA BORDER TO INDIAN PASS FLORIDA A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE COMPLETE. A STORM SURGE WARNING MEANS THERE IS A DANGER OF LIFE-THREATENING INUNDATION... FROM RISING WATER MOVING INLAND FROM THE COASTLINE 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. HURRICANE CENTER LOCATED NEAR 29.9N 89.1W AT 08/0300Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE NORTH OR 360 DEGREES AT 17 KT ESTIMATED MINIMUM CENTRAL PRESSURE 984 MB MAX SUSTAINED WINDS 75 KT WITH GUSTS TO 90 KT. 64 KT....... 30NE 30SE 0SW 0NW. 50 KT....... 50NE 50SE 0SW 20NW. 34 KT.......110NE 100SE 40SW 70NW. 12 FT SEAS..180NE 240SE 60SW 30NW. 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 29.9N 89.1W AT 08/0300Z AT 08/0000Z CENTER WAS LOCATED NEAR 29.1N 89.1W FORECAST VALID 08/1200Z 32.1N 88.2W...INLAND MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 30NE 30SE 0SW 0NW. 34 KT... 60NE 70SE 30SW 40NW. FORECAST VALID 09/0000Z 35.7N 85.3W...INLAND MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 30NE 40SE 30SW 0NW. FORECAST VALID 09/1200Z 39.3N 80.2W...INLAND MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 10/0000Z 42.1N 73.7W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 11/0000Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 29.9N 89.1W NEXT ADVISORY AT 08/0900Z $$ FORECASTER BERG