000 WTNT23 KNHC 200852 TCMAT3 TROPICAL STORM HARVEY FORECAST/ADVISORY NUMBER 6 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082011 0900 UTC SAT AUG 20 2011 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE GOVERNMENT OF GUATEMALA HAS CHANGED THE TROPICAL STORM WATCH TO A TROPICAL STORM WARNING FOR THE COAST OF GUATEMALA. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * THE BAY ISLANDS OF HONDURAS * THE COAST OF HONDURAS FROM PUNTA PATUCA WESTWARD * THE COAST OF GUATEMALA * THE COAST OF BELIZE * THE COAST OF MEXICO FROM PUNTA GRUESA SOUTHWARD TO CHETUMAL HURRICANE CONDITIONS ARE POSSIBLE ALONG A PORTION OF THE COAST OF BELIZE LATER TODAY. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE NEXT 24 HOURS. TROPICAL STORM CENTER LOCATED NEAR 16.4N 86.5W AT 20/0900Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE WEST OR 275 DEGREES AT 10 KT ESTIMATED MINIMUM CENTRAL PRESSURE 994 MB MAX SUSTAINED WINDS 50 KT WITH GUSTS TO 60 KT. 50 KT....... 15NE 0SE 0SW 15NW. 34 KT....... 35NE 20SE 0SW 35NW. 12 FT SEAS.. 45NE 15SE 15SW 45NW. 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 16.4N 86.5W AT 20/0900Z AT 20/0600Z CENTER WAS LOCATED NEAR 16.3N 85.7W FORECAST VALID 20/1800Z 16.5N 87.7W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 25NE 20SE 10SW 25NW. 34 KT... 55NE 40SE 25SW 50NW. FORECAST VALID 21/0600Z 16.7N 89.6W...INLAND MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 20NE 10SE 0SW 20NW. 34 KT... 50NE 35SE 15SW 45NW. FORECAST VALID 21/1800Z 16.9N 92.0W...INLAND MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 40NE 15SE 0SW 30NW. FORECAST VALID 22/0600Z 17.2N 94.6W...INLAND MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 23/0600Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.4N 86.5W NEXT ADVISORY AT 20/1500Z $$ FORECASTER BERG/STEWART