000 FKNT25 KNHC 210842 TCANT5 HURRICANE MARIA ICAO ADVISORY NUMBER 21 NWS NATIONAL HURRICANE CENTER MIAMI FL AL152017 0900 UTC THU SEP 21 2017 TC ADVISORY DTG: 20170921/0900Z TCAC: KNHC TC: MARIA NR: 021 PSN: N1936 W06824 MOV: NW 08KT C: 0959HPA MAX WIND: 100KT FCST PSN + 06 HR: 211500 N2012 W06900 FCST MAX WIND + 06 HR: 105KT FCST PSN + 12 HR: 212100 N2046 W06934 FCST MAX WIND + 12 HR: 105KT FCST PSN + 18 HR: 220300 N2119 W07007 FCST MAX WIND + 18 HR: 110KT FCST PSN + 24 HR: 220900 N2155 W07034 FCST MAX WIND + 24 HR: 110KT RMK THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20170921/1500Z $$