000 WTNT25 KNHC 180235 TCMAT5 TROPICAL STORM DON FORECAST/ADVISORY NUMBER 2 NWS NATIONAL HURRICANE CENTER MIAMI FL AL052017 0300 UTC TUE JUL 18 2017 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE GOVERNMENT OF BARBADOS HAS UPGRADED THE TROPICAL STORM WATCH FOR ST. VINCENT AND THE GRENADINES TO A TROPICAL STORM WARNING. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * GRENADA * ST. VINCENT AND THE GRENADINES A TROPICAL STORM WATCH IS IN EFFECT FOR... * BARBADOS * ST. LUCIA A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA... IN THIS CASE IN THE NEXT 24 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA... IN THIS CASE IN THE NEXT 24 HOURS. INTERESTS IN TRINIDAD AND TOBAGO... ARUBA... BONAIRE... AND CURACAO SHOULD MONITOR THE PROGRESS OF DON. TROPICAL STORM CENTER LOCATED NEAR 11.3N 54.6W AT 18/0300Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 16 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1009 MB MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT. 34 KT....... 20NE 20SE 0SW 20NW. 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 11.3N 54.6W AT 18/0300Z AT 18/0000Z CENTER WAS LOCATED NEAR 11.2N 53.8W FORECAST VALID 18/1200Z 11.6N 57.0W MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 40NE 30SE 0SW 40NW. FORECAST VALID 19/0000Z 12.0N 61.2W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 20NE 0SE 0SW 20NW. 34 KT... 50NE 30SE 0SW 50NW. FORECAST VALID 19/1200Z 12.3N 65.4W MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 50NE 30SE 0SW 50NW. FORECAST VALID 20/0000Z 12.5N 69.6W MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 50NE 0SE 0SW 50NW. FORECAST VALID 21/0000Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 11.3N 54.6W NEXT ADVISORY AT 18/0900Z $$ FORECASTER BERG