URNT12 KMIA 191646                                                
AF984 0312A IRIS OB 09 KMIA                                       
DETAILED VORTEX DATA MESSAGE                                      
A. 19/ 1628Z                                                      
B. 19 DEG 52 MIN N                                                
   58 DEG 50 MIN W                                                
C. NOBS                                                           
D. 60 KT                                                          
E. 360 DEG 10 NM                                                  
F. 90 DEG 60 KT                                                   
G. 360 DEG 10 NM                                                  
H. EXTRAP/1001 MB                                                 
I. 23 C/ 329 M                                                    
J. 25 C/ 332 M                                                    
K. 24 C/ NOBS                                                     
L. E SEMI-CIRCLE ONLY                                             
M. C18                                                            
N. 19 DEG 52 MIN N                                                
   58 DEG 50 MIN W                                                
   19/ 1628Z                                                      
O. 12345/ 0                                                       
P. 3 / 2 NM                                                       
Q. MAX FL WND 70 KTS NORTH QUAD AT 1232Z.VERY HEAVY ROLLING SEAS;