000 FKPZ21 KNHC 170237 TCAPZ1 TROPICAL STORM ALVIN ICAO ADVISORY NUMBER 7 NWS NATIONAL HURRICANE CENTER MIAMI FL EP012013 0300 UTC FRI MAY 17 2013 TC ADVISORY DTG: 20130517/0300Z TCAC: KNHC TC: ALVIN NR: 007 PSN: N0948 W11048 MOV: WNW 12KT C: 1006HPA MAX WIND: 035KT FCST PSN + 06 HR: 170900 N1004 W11128 FCST MAX WIND + 06 HR: 035KT FCST PSN + 12 HR: 171500 N1024 W11209 FCST MAX WIND + 12 HR: 035KT FCST PSN + 18 HR: 172100 N1048 W11251 FCST MAX WIND + 18 HR: 035KT FCST PSN + 24 HR: 180300 N1110 W11331 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: 20130517/0900Z $$