Validation of sea ice concentration - European sector
 Bulletin date: 2025-09-09
 Data source: OSI SAF N.H. sea ice concentration
 Model vs. observations, sea ice class contingency tables
 Date: 2025-09-09:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 46421 | 2918 | 0 | 5 | 3 | 0 | 0 | 0 |  
| OW | 3 | 104 | 5 | 27 | 5 | 0 | 0 | 0 |  
| VODI | 0 | 242 | 10 | 77 | 62 | 20 | 1 | 0 |  
| ODI | 0 | 230 | 20 | 269 | 418 | 436 | 40 | 0 |  
| CDI | 0 | 33 | 6 | 284 | 819 | 1452 | 344 | 0 |  
| VCDI | 0 | 0 | 0 | 12 | 328 | 1049 | 987 | 0 |  | 
 Date: 2025-09-11:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 46375 | 3156 | 8 | 119 | 17 | 0 | 0 | 0 |  
| OW | 0 | 67 | 2 | 38 | 11 | 0 | 0 | 0 |  
| VODI | 0 | 103 | 9 | 92 | 58 | 6 | 1 | 0 |  
| ODI | 0 | 114 | 9 | 260 | 397 | 234 | 28 | 0 |  
| CDI | 0 | 36 | 15 | 264 | 611 | 1001 | 335 | 0 |  
| VCDI | 0 | 0 | 0 | 7 | 261 | 1620 | 1376 | 0 |  | 
 Date: 2025-09-13:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 46006 | 3497 | 14 | 158 | 38 | 0 | 0 | 0 |  
| OW | 0 | 39 | 4 | 40 | 16 | 0 | 0 | 0 |  
| VODI | 0 | 56 | 6 | 81 | 33 | 4 | 4 | 0 |  
| ODI | 0 | 38 | 6 | 137 | 138 | 188 | 55 | 0 |  
| CDI | 0 | 9 | 6 | 218 | 423 | 770 | 293 | 0 |  
| VCDI | 0 | 0 | 0 | 9 | 296 | 2251 | 1797 | 0 |  | 
 Date: 2025-09-15:
 | Forecast | 
 | 
|  | observations |  
|  | Ice free | Ice free near MIZ
 | OW | VODI | ODI | CDI | VCDI near MIZ
 | VCDI |  
| m o
 d
 e
 l
 | Ice free | 46265 | 3171 | 24 | 156 | 101 | 4 | 0 | 0 |  
| OW | 0 | 25 | 6 | 31 | 4 | 0 | 0 | 0 |  
| VODI | 0 | 33 | 6 | 47 | 26 | 7 | 1 | 0 |  
| ODI | 0 | 34 | 3 | 93 | 69 | 68 | 29 | 0 |  
| CDI | 0 | 7 | 1 | 134 | 356 | 715 | 244 | 0 |  
| VCDI | 0 | 3 | 1 | 16 | 251 | 2723 | 1976 | 0 |  | 
Generated by /metno/routine/sms/V3/neXtSIvalidation/neXtSIwebPageSector.sh Fri Sep 19 03:27:33 UTC 2025 on arcval2