Validation of sea ice concentration - European sector
 Bulletin date: 2024-10-01
 Data source: OSI SAF N.H. sea ice concentration
 Model vs. observations, sea ice class contingency tables
 Date: 2024-10-01:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 45141 | 2976 | 18 | 22 | 8 | 0 | 0 | 0 |  
| OW | 3 | 60 | 8 | 17 | 3 | 0 | 0 | 0 |  
| VODI | 1 | 115 | 13 | 65 | 15 | 0 | 0 | 0 |  
| ODI | 0 | 111 | 13 | 129 | 49 | 10 | 10 | 0 |  
| CDI | 0 | 13 | 7 | 146 | 97 | 112 | 72 | 5 |  
| VCDI | 0 | 0 | 0 | 78 | 250 | 1360 | 4262 | 1479 |  | 
 Date: 2024-10-03:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 44059 | 3754 | 17 | 85 | 29 | 3 | 0 | 0 |  
| OW | 0 | 63 | 8 | 32 | 17 | 4 | 0 | 0 |  
| VODI | 0 | 87 | 7 | 75 | 19 | 8 | 0 | 0 |  
| ODI | 0 | 49 | 9 | 80 | 55 | 26 | 0 | 0 |  
| CDI | 0 | 20 | 5 | 127 | 97 | 104 | 59 | 38 |  
| VCDI | 0 | 0 | 0 | 80 | 278 | 1448 | 3567 | 2359 |  | 
 Date: 2024-10-05:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 44562 | 3080 | 22 | 73 | 41 | 13 | 0 | 0 |  
| OW | 2 | 50 | 3 | 28 | 7 | 5 | 0 | 0 |  
| VODI | 0 | 56 | 12 | 64 | 10 | 10 | 0 | 0 |  
| ODI | 0 | 35 | 6 | 97 | 37 | 22 | 2 | 0 |  
| CDI | 0 | 25 | 4 | 108 | 99 | 91 | 48 | 69 |  
| VCDI | 0 | 3 | 2 | 124 | 282 | 1319 | 3410 | 2847 |  | 
 Date: 2024-10-07:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 43889 | 3530 | 22 | 135 | 38 | 43 | 0 | 0 |  
| OW | 0 | 42 | 8 | 30 | 11 | 11 | 0 | 0 |  
| VODI | 0 | 44 | 8 | 64 | 11 | 17 | 0 | 0 |  
| ODI | 0 | 22 | 9 | 53 | 37 | 20 | 1 | 0 |  
| CDI | 0 | 17 | 4 | 78 | 112 | 89 | 113 | 8 |  
| VCDI | 0 | 7 | 6 | 165 | 296 | 977 | 4416 | 2335 |  | 
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