Validation of sea ice concentration - American sector
 Bulletin date: 2024-07-02
 Data source: OSI SAF N.H. sea ice concentration
 Model vs. observations, sea ice class contingency tables
 Date: 2024-07-02:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 2763 | 2634 | 10 | 71 | 49 | 18 | 0 | 0 |  
| OW | 28 | 389 | 9 | 51 | 62 | 25 | 0 | 0 |  
| VODI | 28 | 708 | 26 | 199 | 321 | 198 | 0 | 0 |  
| ODI | 59 | 1469 | 38 | 675 | 1047 | 1094 | 12 | 0 |  
| CDI | 18 | 1327 | 53 | 1011 | 2430 | 4796 | 79 | 0 |  
| VCDI | 2 | 273 | 30 | 506 | 3813 | 18195 | 1080 | 0 |  | 
 Date: 2024-07-04:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 2960 | 4288 | 22 | 315 | 268 | 73 | 0 | 0 |  
| OW | 20 | 206 | 5 | 87 | 72 | 42 | 0 | 0 |  
| VODI | 53 | 416 | 10 | 245 | 366 | 204 | 1 | 0 |  
| ODI | 93 | 965 | 20 | 568 | 1338 | 826 | 55 | 0 |  
| CDI | 19 | 885 | 41 | 821 | 3598 | 3720 | 378 | 0 |  
| VCDI | 0 | 295 | 25 | 472 | 4666 | 14115 | 3043 | 0 |  | 
 Date: 2024-07-06:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 3961 | 4005 | 38 | 521 | 482 | 74 | 0 | 0 |  
| OW | 16 | 158 | 6 | 79 | 99 | 29 | 0 | 0 |  
| VODI | 36 | 269 | 14 | 230 | 352 | 192 | 3 | 0 |  
| ODI | 78 | 797 | 29 | 608 | 1313 | 1025 | 27 | 0 |  
| CDI | 30 | 868 | 44 | 733 | 3298 | 4433 | 84 | 0 |  
| VCDI | 2 | 328 | 25 | 433 | 4699 | 15458 | 720 | 0 |  | 
 Date: 2024-07-08:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 4256 | 4246 | 51 | 502 | 503 | 116 | 0 | 0 |  
| OW | 12 | 136 | 6 | 89 | 86 | 27 | 0 | 0 |  
| VODI | 34 | 259 | 19 | 221 | 305 | 237 | 1 | 0 |  
| ODI | 50 | 770 | 31 | 576 | 1173 | 1196 | 15 | 0 |  
| CDI | 17 | 956 | 54 | 703 | 2959 | 4855 | 130 | 0 |  
| VCDI | 1 | 307 | 27 | 400 | 3508 | 15846 | 916 | 0 |  | 
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