000 FKPZ21 KNHC 281434 TCAPZ1 TROPICAL STORM ALVIN ICAO ADVISORY NUMBER 12 NWS NATIONAL HURRICANE CENTER MIAMI FL EP012019 1500 UTC FRI JUN 28 2019 TC ADVISORY DTG: 20190628/1500Z TCAC: KNHC TC: ALVIN NR: 012 PSN: N1900 W11742 MOV: NW 13KT C: 0999HPA MAX WIND: 055KT FCST PSN +6 HR: 28/2100Z N1944 W11846 FCST MAX WIND +6 HR: 050KT FCST PSN +12 HR: 29/0300Z N2019 W11943 FCST MAX WIND +12 HR: 045KT FCST PSN +18 HR: 29/0900Z N2046 W12034 FCST MAX WIND +18 HR: 040KT FCST PSN +24 HR: 29/1500Z N2109 W12121 FCST MAX WIND +24 HR: 035KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20190628/2100Z ..