000 WTNT24 KNHC 291457 TCMAT4 TROPICAL STORM HARVEY FORECAST/ADVISORY NUMBER 37 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092017 1500 UTC TUE AUG 29 2017 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE TROPICAL STORM WARNING HAS BEEN EXTENDED EASTWARD TO MORGAN CITY LOUISIANA. A TROPICAL STORM WATCH HAS BEEN ISSUED FROM EAST OF MORGAN CITY TO GRAND ISLE LOUISIANA. THE TROPICAL STORM WARNING FROM PORT O'CONNOR TO MESQUITE BAY HAS BEEN DISCONTINUED. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... 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 A STORM SURGE WATCH IS IN EFFECT FOR... * PORT BOLIVAR TO MORGAN CITY 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 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. FOR A DEPICTION OF AREAS AT RISK... PLEASE SEE THE NATIONAL WEATHER SERVICE STORM SURGE WATCH/WARNING GRAPHIC... AVAILABLE AT HURRICANES.GOV. TROPICAL STORM CENTER LOCATED NEAR 28.4N 94.3W AT 29/1500Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 25 DEGREES AT 4 KT ESTIMATED MINIMUM CENTRAL PRESSURE 997 MB MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT. 34 KT.......140NE 140SE 60SW 60NW. 12 FT SEAS.. 30NE 30SE 30SW 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 28.4N 94.3W AT 29/1500Z AT 29/1200Z CENTER WAS LOCATED NEAR 28.2N 94.6W FORECAST VALID 30/0000Z 28.8N 94.0W MAX WIND 40 KT...GUSTS 50 KT. 34 KT...140NE 140SE 60SW 60NW. FORECAST VALID 30/1200Z 29.8N 93.4W...INLAND MAX WIND 40 KT...GUSTS 50 KT. 34 KT...120NE 120SE 40SW 40NW. FORECAST VALID 31/0000Z 30.8N 92.8W...INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 31/1200Z 32.0N 92.0W...INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 01/1200Z 34.5N 89.5W...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 02/1200Z 36.5N 86.0W...POST-TROP/INLAND MAX WIND 25 KT...GUSTS 35 KT. OUTLOOK VALID 03/1200Z 38.5N 81.0W...POST-TROP/INLAND MAX WIND 20 KT...GUSTS 30 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 28.4N 94.3W NEXT ADVISORY AT 29/2100Z $$ FORECASTER AVILA