URNT12 KMIA 281228                                                
AF968 0311A GRACE OB 08 KMIA                                      
DETAILED VORTEX DATA MESSAGE                                      
A. 28/1211Z                                                       
B. 32 DEG 21 MIN N                                                
   68 DEG 24 MIN W                                                
C. 850 MB 1274 M                                                  
D. 50 KT                                                          
E. 260 DEG 15 NM                                                  
F. 360 DEG 43 KT                                                  
G. 260 DEG 15 NM                                                  
H. EXTRAPOLATED 984 MB                                            
I. 16 C/ 1467 M                                                   
J. 18 C/ 1462 M                                                   
K. 15 C/ NA C                                                     
L. CLOSED WALL                                                    
M. C 30                                                           
N. 32 DEG 21 MIN N                                                
   68 DEG 24 MIN W                                                
   28/1211Z                                                       
O. 12345/01                                                       
P. 5/ 2 NM                                                        
Q. MAX FL WND 43 KT W QUAD 1205Z                                  
   SLP EXTRAP FROM 850 MB;