Validation of sea ice concentration - American sector
 Bulletin date: 2022-09-06
 Data source: OSI SAF N.H. sea ice concentration
 Model vs. observations, sea ice class contingency tables
 Date: 2022-09-06:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 18594 | 11324 | 0 | 430 | 143 | 5 | 0 | 0 |  
| OW | 13 | 250 | 0 | 315 | 114 | 16 | 0 | 0 |  
| VODI | 8 | 275 | 0 | 685 | 720 | 225 | 48 | 1 |  
| ODI | 0 | 366 | 0 | 788 | 1988 | 1302 | 326 | 15 |  
| CDI | 0 | 282 | 0 | 343 | 706 | 3023 | 2225 | 278 |  
| VCDI | 0 | 1 | 0 | 10 | 116 | 2040 | 3032 | 587 |  | 
 Date: 2022-09-08:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 18625 | 11360 | 0 | 962 | 291 | 27 | 0 | 0 |  
| OW | 0 | 131 | 0 | 158 | 122 | 27 | 4 | 0 |  
| VODI | 0 | 267 | 0 | 466 | 571 | 245 | 104 | 0 |  
| ODI | 0 | 395 | 0 | 638 | 1809 | 1447 | 492 | 7 |  
| CDI | 0 | 308 | 0 | 282 | 580 | 2826 | 1985 | 170 |  
| VCDI | 0 | 3 | 0 | 21 | 113 | 2128 | 3412 | 618 |  | 
 Date: 2022-09-10:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 18481 | 11813 | 0 | 855 | 308 | 42 | 1 | 0 |  
| OW | 0 | 206 | 0 | 134 | 64 | 17 | 8 | 0 |  
| VODI | 0 | 372 | 0 | 400 | 531 | 238 | 70 | 0 |  
| ODI | 0 | 528 | 0 | 680 | 1693 | 1366 | 465 | 24 |  
| CDI | 0 | 269 | 0 | 228 | 635 | 2494 | 1849 | 213 |  
| VCDI | 0 | 0 | 0 | 25 | 137 | 2308 | 3406 | 734 |  | 
 Date: 2022-09-12:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 18159 | 12190 | 0 | 895 | 321 | 17 | 1 | 0 |  
| OW | 0 | 179 | 0 | 101 | 61 | 15 | 3 | 0 |  
| VODI | 0 | 374 | 0 | 369 | 525 | 168 | 63 | 0 |  
| ODI | 0 | 565 | 0 | 589 | 1766 | 1205 | 423 | 2 |  
| CDI | 0 | 213 | 0 | 232 | 719 | 2389 | 2161 | 71 |  
| VCDI | 0 | 1 | 0 | 26 | 163 | 2488 | 3973 | 167 |  | 
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