133  
FKPZ21 KNHC 301434  
TCAPZ1  
 
TROPICAL STORM ALVIN ICAO ADVISORY NUMBER 8  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP012025  
1500 UTC FRI MAY 30 2025  
 
TC ADVISORY  
DTG: 20250530/1500Z  
TCAC: KNHC  
TC: ALVIN  
ADVISORY NR: 2025/008  
OBS PSN: 30/1500Z N1724 W10848  
MOV: NW 09KT  
INTST CHANGE: NC  
C: 1001HPA  
MAX WIND: 045KT  
FCST PSN +3 HR: 30/1800Z N1749 W10854  
FCST MAX WIND +3 HR: 040KT  
FCST PSN +6 HR: 30/2100Z N1815 W10900  
FCST MAX WIND +6 HR: 040KT  
FCST PSN +9 HR: 31/0000Z N1842 W10906  
FCST MAX WIND +9 HR: 035KT  
FCST PSN +15 HR: 31/0600Z N1930 W10915  
FCST MAX WIND +15 HR: 035KT  
FCST PSN +21 HR: 31/1200Z N2018 W10924  
FCST MAX WIND +21 HR: 030KT  
FCST PSN +27 HR: 31/1800Z N2103 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: 20250530/2100Z  
 

 
 
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