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#900592 (Received by flhurricane at: 4:41 PM 29.Aug.2017) TCMAT4 TROPICAL STORM HARVEY FORECAST/ADVISORY NUMBER 38 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092017 2100 UTC TUE AUG 29 2017 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... A STORM SURGE WARNING HAS BEEN ISSUED FROM HOLLY BEACH TO MORGAN CITY LOUISIANA. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A STORM SURGE WARNING IS IN EFFECT FOR... * HOLLY BEACH TO MORGAN CITY A STORM SURGE WATCH IS IN EFFECT FOR... * PORT BOLIVAR TO WEST OF HOLLY BEACH A TROPICAL STORM WARNING IS IN EFFECT FOR... * NORTH OF PORT O'CONNOR TO MORGAN CITY LOUISIANA A TROPICAL STORM WATCH IS IN EFFECT FOR... * EAST OF MORGAN CITY TO GRAND ISLE CATASTROPHIC AND LIFE-THREATENING FLOODING CONTINUES IN SOUTHEASTERN TEXAS AND PORTIONS OF SOUTHWESTERN LOUISIANA. PLEASE SEE WARNINGS AND OTHER PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS LIFE-THREATENING SITUATION. A STORM SURGE WARNING MEANS THERE IS A DANGER OF LIFE-THREATENING INUNDATION... FROM RISING WATER MOVING INLAND FROM THE COASTLINE... DURING THE NEXT 12 TO 24 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. TROPICAL STORM CENTER LOCATED NEAR 29.2N 94.3W AT 29/2100Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 30 DEGREES AT 5 KT ESTIMATED MINIMUM CENTRAL PRESSURE 994 MB MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT. 34 KT.......100NE 140SE 60SW 60NW. 12 FT SEAS.. 90NE 90SE 60SW 0NW. 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 29.2N 94.3W AT 29/2100Z AT 29/1800Z CENTER WAS LOCATED NEAR 29.1N 94.4W FORECAST VALID 30/0600Z 30.1N 93.7W...INLAND MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 75NE 140SE 50SW 40NW. FORECAST VALID 30/1800Z 31.5N 93.0W...INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 31/0600Z 32.5N 92.5W...INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 31/1800Z 34.0N 91.0W...INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 01/1800Z 36.5N 88.0W...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 200 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 02/1800Z 37.5N 85.5W...POST-TROP/INLAND MAX WIND 25 KT...GUSTS 35 KT. OUTLOOK VALID 03/1800Z...ABSORBED BY EXTRATROPICAL LOW REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 29.2N 94.3W NEXT ADVISORY AT 30/0300Z $$ FORECASTER AVILA |