Validation of sea ice concentration - American sector
 Bulletin date: 2024-07-09
 Data source: OSI SAF N.H. sea ice concentration
 Model vs. observations, sea ice class contingency tables
 Date: 2024-07-09:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 4524 | 4401 | 55 | 351 | 233 | 36 | 0 | 0 |  
| OW | 10 | 181 | 15 | 89 | 74 | 16 | 0 | 0 |  
| VODI | 15 | 371 | 26 | 246 | 310 | 182 | 4 | 0 |  
| ODI | 4 | 1130 | 61 | 895 | 1235 | 1097 | 28 | 0 |  
| CDI | 0 | 495 | 27 | 726 | 3629 | 4737 | 248 | 0 |  
| VCDI | 0 | 28 | 4 | 207 | 4201 | 14302 | 1403 | 0 |  | 
 Date: 2024-07-11:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 4735 | 4925 | 37 | 468 | 411 | 10 | 0 | 0 |  
| OW | 2 | 183 | 9 | 99 | 81 | 19 | 0 | 0 |  
| VODI | 1 | 402 | 23 | 291 | 305 | 174 | 0 | 0 |  
| ODI | 0 | 838 | 47 | 833 | 994 | 1218 | 3 | 0 |  
| CDI | 0 | 385 | 19 | 734 | 2194 | 5366 | 15 | 0 |  
| VCDI | 0 | 69 | 11 | 286 | 2344 | 18024 | 41 | 0 |  | 
 Date: 2024-07-13:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 4845 | 5600 | 51 | 506 | 496 | 26 | 0 | 0 |  
| OW | 0 | 183 | 10 | 96 | 58 | 8 | 0 | 0 |  
| VODI | 0 | 388 | 31 | 314 | 258 | 144 | 1 | 0 |  
| ODI | 0 | 644 | 60 | 712 | 1053 | 1079 | 7 | 0 |  
| CDI | 0 | 313 | 22 | 814 | 2740 | 4451 | 39 | 0 |  
| VCDI | 0 | 150 | 12 | 385 | 4801 | 14931 | 368 | 0 |  | 
 Date: 2024-07-15:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 5191 | 6096 | 36 | 501 | 459 | 52 | 0 | 0 |  
| OW | 0 | 170 | 7 | 98 | 56 | 9 | 1 | 0 |  
| VODI | 0 | 360 | 14 | 298 | 191 | 159 | 3 | 0 |  
| ODI | 0 | 550 | 27 | 667 | 760 | 1151 | 28 | 0 |  
| CDI | 0 | 303 | 33 | 760 | 2416 | 4623 | 146 | 0 |  
| VCDI | 0 | 212 | 14 | 472 | 4285 | 14694 | 754 | 0 |  | 
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