000 FKPZ21 KNHC 162040 TCAPZ1 TROPICAL STORM ALVIN ICAO ADVISORY NUMBER 6 NWS NATIONAL HURRICANE CENTER MIAMI FL EP012013 2100 UTC THU MAY 16 2013 TC ADVISORY DTG: 20130516/2100Z TCAC: KNHC TC: ALVIN NR: 006 PSN: N0930 W10906 MOV: WNW 10KT C: 1005HPA MAX WIND: 040KT FCST PSN + 06 HR: 170300 N0942 W11002 FCST MAX WIND + 06 HR: 040KT FCST PSN + 12 HR: 170900 N1003 W11052 FCST MAX WIND + 12 HR: 040KT FCST PSN + 18 HR: 171500 N1033 W11137 FCST MAX WIND + 18 HR: 035KT FCST PSN + 24 HR: 172100 N1058 W11219 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: 20130517/0300Z $$