URNT12 KMIA 180004                                                
AF861 0316A NANA OB 06 KMIA                                       
DETAILED VORTEX DATA MESSAGE                                      
A. 17/2354Z                                                       
B. 23 DEG 22 MIN N                                                
   63 DEG 33 MIN W                                                
C. 850 MB 1355 M                                                  
D. NOBS                                                           
E. NOBS                                                           
F. 070 DEG 62 KT                                                  
G. 340 DEG 15 NM                                                  
H. EXTRAP 990 MB                                                  
I. 17 C/ 1553 M                                                   
J. 24 C/ 1570 M                                                   
K. 9 C/ NOBS                                                      
L. CLOSED WALL                                                    
M. C 8                                                            
N. 23 DEG 22 MIN N                                                
   63 DEG 33 MIN W                                                
   17/2354Z                                                       
O. 12345/8                                                        
P. 1 /4 NM                                                        
Q. MAX FL WIND 15069 E QUAD AT 2250Z. SLP EXTRAP FROM 850 MB USING
   COMPUTER. GOOD RADAR DEFINITION. MOD TURBC ALQUADS AROUND EYE.;