248  
FKNT22 KNHC 232037  
TCANT2  
 
TROPICAL STORM BERTHA ICAO ADVISORY NUMBER 18  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL022026  
2100 UTC THU JUL 23 2026  
 
TC ADVISORY  
DTG: 20260723/2100Z  
TCAC: KNHC  
TC: BERTHA  
ADVISORY NR: 2026/018  
OBS PSN: 23/2100Z N2948 W09442  
MOV: WNW 11KT  
INTST CHANGE: WKN  
C: 1006HPA  
MAX WIND: 035KT  
FCST PSN +3 HR: 24/0000Z N2945 W09531  
FCST MAX WIND +3 HR: 030KT  
FCST PSN +6 HR: 24/0300Z N2944 W09622  
FCST MAX WIND +6 HR: 030KT  
FCST PSN +9 HR: 24/0600Z N2942 W09712  
FCST MAX WIND +9 HR: 025KT  
FCST PSN +15 HR: 24/1200Z N//// W/////  
FCST MAX WIND +15 HR: ///KT  
FCST PSN +21 HR: 24/1800Z N//// W/////  
FCST MAX WIND +21 HR: ///KT  
FCST PSN +27 HR: 25/0000Z N//// W/////  
FCST MAX WIND +27 HR: ///KT  
RMK: THE FORECAST POSITION INFORMATION IN  
THIS PRODUCT IS INTERPOLATED FROM  
OFFICIAL FORECAST DATA VALID AT 0000...  
0600...1200...AND 1800Z.  
NXT MSG: 20260724/0300Z  
 
 
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