000 WTNT22 KNHC 181432 TCMAT2 TROPICAL DEPRESSION HELENE FORECAST/ADVISORY NUMBER 12 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072012 1500 UTC SAT AUG 18 2012 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE GOVERNMENT OF MEXICO HAS DISCONTINUED THE TROPICAL STORM WARNING FROM BARRA DE NAUTLA TO LA CRUZ. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... THERE ARE NO COASTAL WATCHES AND WARNINGS IN EFFECT. TROPICAL DEPRESSION CENTER LOCATED NEAR 22.0N 98.0W AT 18/1500Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 305 DEGREES AT 8 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1008 MB MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT. 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 22.0N 98.0W AT 18/1500Z AT 18/1200Z CENTER WAS LOCATED NEAR 22.2N 97.8W FORECAST VALID 19/0000Z 22.6N 98.7W...INLAND MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 19/1200Z 23.0N 98.8W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 20/0000Z 23.5N 98.5W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 20/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 22.0N 98.0W NEXT ADVISORY AT 18/2100Z $$ FORECASTER BERG