Validation of sea ice concentration - European sector
 Bulletin date: 2023-06-13
 Data source: OSI SAF N.H. sea ice concentration
 Model vs. observations, sea ice class contingency tables
 Date: 2023-06-13:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 24335 | 11030 | 114 | 745 | 58 | 27 | 6 | 0 |  
| OW | 0 | 209 | 22 | 252 | 70 | 39 | 4 | 0 |  
| VODI | 0 | 270 | 33 | 605 | 359 | 190 | 68 | 1 |  
| ODI | 0 | 237 | 45 | 1433 | 1608 | 785 | 613 | 24 |  
| CDI | 0 | 22 | 7 | 716 | 1984 | 1498 | 2509 | 339 |  
| VCDI | 0 | 0 | 1 | 21 | 419 | 869 | 4735 | 366 |  | 
 Date: 2023-06-15:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 24966 | 10634 | 109 | 989 | 130 | 40 | 12 | 0 |  
| OW | 0 | 136 | 12 | 263 | 72 | 33 | 8 | 1 |  
| VODI | 0 | 269 | 26 | 705 | 405 | 178 | 65 | 17 |  
| ODI | 0 | 246 | 46 | 1584 | 1468 | 763 | 437 | 216 |  
| CDI | 0 | 20 | 2 | 686 | 1680 | 1419 | 1269 | 1436 |  
| VCDI | 0 | 1 | 0 | 38 | 327 | 689 | 2075 | 3196 |  | 
 Date: 2023-06-17:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 25365 | 10414 | 121 | 1218 | 163 | 27 | 12 | 0 |  
| OW | 0 | 157 | 11 | 277 | 70 | 22 | 21 | 0 |  
| VODI | 0 | 301 | 14 | 823 | 504 | 158 | 89 | 13 |  
| ODI | 0 | 184 | 25 | 1379 | 1503 | 779 | 412 | 139 |  
| CDI | 0 | 39 | 1 | 547 | 1538 | 1409 | 1820 | 936 |  
| VCDI | 0 | 0 | 0 | 31 | 223 | 559 | 3664 | 1700 |  | 
 Date: 2023-06-19:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 25018 | 10917 | 165 | 1450 | 151 | 16 | 25 | 0 |  
| OW | 0 | 167 | 15 | 343 | 93 | 29 | 18 | 0 |  
| VODI | 0 | 296 | 24 | 1033 | 476 | 167 | 106 | 9 |  
| ODI | 0 | 186 | 36 | 1208 | 1340 | 760 | 599 | 150 |  
| CDI | 0 | 41 | 8 | 470 | 1233 | 1383 | 1964 | 950 |  
| VCDI | 0 | 0 | 0 | 29 | 264 | 643 | 3415 | 1471 |  | 
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