000 FKNT21 KNHC 312039 TCANT1 SUBTROPICAL STORM WANDA ICAO ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL AL212021 2100 UTC SUN OCT 31 2021 TC ADVISORY DTG: 20211031/2100Z TCAC: KNHC TC: WANDA ADVISORY NR: 2021/004 OBS PSN: 31/2100Z N3618 W04312 MOV: W 01KT INTST CHANGE: NC C: 0990HPA MAX WIND: 045KT FCST PSN +6 HR: 01/0300Z N3554 W04304 FCST MAX WIND +6 HR: 045KT FCST PSN +12 HR: 01/0900Z N3534 W04248 FCST MAX WIND +12 HR: 045KT FCST PSN +18 HR: 01/1500Z N3519 W04224 FCST MAX WIND +18 HR: 045KT FCST PSN +24 HR: 01/2100Z N3518 W04155 FCST MAX WIND +24 HR: 045KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20211101/0300Z $$