000 FKPZ22 KNHC 180834 TCAPZ2 TROPICAL STORM GUILLERMO ICAO ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL EP072021 0900 UTC SUN JUL 18 2021 TC ADVISORY DTG: 20210718/0900Z TCAC: KNHC TC: GUILLERMO ADVISORY NR: 2021/004 OBS PSN: 18/0900Z N1736 W11136 MOV: WNW 10KT INTST CHANGE: INTSF C: 1000HPA MAX WIND: 045KT FCST PSN +6 HR: 18/1500Z N1752 W11236 FCST MAX WIND +6 HR: 050KT FCST PSN +12 HR: 18/2100Z N1806 W11342 FCST MAX WIND +12 HR: 050KT FCST PSN +18 HR: 19/0300Z N1817 W11454 FCST MAX WIND +18 HR: 055KT FCST PSN +24 HR: 19/0900Z N1828 W11610 FCST MAX WIND +24 HR: 055KT RMK: THE FORECAST POSITION INFORMATION IN THIS PRODUCT IS INTERPOLATED FROM OFFICIAL FORECAST DATA VALID AT 0000... 0600...1200...AND 1800Z. NXT MSG: 20210718/1500Z $$