268  
FKPZ21 KNHC 302043  
TCAPZ1  
 
TROPICAL STORM ALVIN ICAO ADVISORY NUMBER 9  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP012025  
2100 UTC FRI MAY 30 2025  
 
TC ADVISORY  
DTG: 20250530/2100Z  
TCAC: KNHC  
TC: ALVIN  
ADVISORY NR: 2025/009  
OBS PSN: 30/2100Z N1806 W10900  
MOV: NNW 09KT  
INTST CHANGE: NC  
C: 1001HPA  
MAX WIND: 045KT  
FCST PSN +3 HR: 31/0000Z N1832 W10906  
FCST MAX WIND +3 HR: 040KT  
FCST PSN +6 HR: 31/0300Z N1857 W10912  
FCST MAX WIND +6 HR: 040KT  
FCST PSN +9 HR: 31/0600Z N1924 W10918  
FCST MAX WIND +9 HR: 035KT  
FCST PSN +15 HR: 31/1200Z N2006 W10924  
FCST MAX WIND +15 HR: 035KT  
FCST PSN +21 HR: 31/1800Z N2048 W10930  
FCST MAX WIND +21 HR: 030KT  
FCST PSN +27 HR: 01/0000Z N2136 W10927  
FCST MAX WIND +27 HR: 030KT  
RMK: THE FORECAST POSITION INFORMATION IN  
THIS PRODUCT IS INTERPOLATED FROM  
OFFICIAL FORECAST DATA VALID AT 0000...  
0600...1200...AND 1800Z.  
NXT MSG: 20250531/0300Z  
 
 
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