Validation of sea ice concentration - European sector
 Bulletin date: 2023-08-01
 Data source: OSI SAF N.H. sea ice concentration
 Model vs. observations, sea ice class contingency tables
 Date: 2023-08-01:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 37486 | 6395 | 97 | 223 | 25 | 6 | 6 | 0 |  
| OW | 1 | 264 | 29 | 107 | 14 | 5 | 10 | 5 |  
| VODI | 0 | 561 | 28 | 278 | 120 | 98 | 79 | 42 |  
| ODI | 0 | 413 | 44 | 692 | 519 | 586 | 476 | 179 |  
| CDI | 0 | 47 | 4 | 264 | 579 | 2037 | 1462 | 704 |  
| VCDI | 0 | 0 | 0 | 5 | 42 | 1116 | 817 | 803 |  | 
 Date: 2023-08-03:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 38354 | 5944 | 53 | 276 | 35 | 5 | 12 | 0 |  
| OW | 31 | 184 | 3 | 91 | 27 | 5 | 11 | 0 |  
| VODI | 38 | 441 | 18 | 270 | 137 | 98 | 68 | 16 |  
| ODI | 6 | 262 | 43 | 766 | 521 | 696 | 441 | 120 |  
| CDI | 0 | 52 | 7 | 268 | 593 | 2475 | 1449 | 493 |  
| VCDI | 0 | 2 | 0 | 5 | 37 | 1473 | 333 | 509 |  | 
 Date: 2023-08-05:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 39373 | 5291 | 38 | 239 | 31 | 6 | 11 | 0 |  
| OW | 54 | 152 | 6 | 98 | 25 | 12 | 7 | 0 |  
| VODI | 132 | 283 | 19 | 297 | 136 | 92 | 65 | 14 |  
| ODI | 26 | 199 | 42 | 777 | 533 | 639 | 417 | 198 |  
| CDI | 0 | 50 | 1 | 208 | 552 | 2495 | 1338 | 551 |  
| VCDI | 0 | 0 | 0 | 3 | 53 | 1327 | 421 | 457 |  | 
 Date: 2023-08-07:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 41448 | 3669 | 30 | 132 | 45 | 12 | 9 | 0 |  
| OW | 76 | 120 | 4 | 72 | 28 | 9 | 6 | 0 |  
| VODI | 108 | 243 | 28 | 285 | 156 | 69 | 68 | 0 |  
| ODI | 17 | 235 | 40 | 746 | 579 | 628 | 446 | 1 |  
| CDI | 0 | 37 | 5 | 288 | 929 | 2069 | 1813 | 13 |  
| VCDI | 0 | 0 | 0 | 7 | 210 | 1102 | 879 | 7 |  | 
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