Validation of sea ice concentration - European sector
Bulletin date: 2025-09-02
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-09-02:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
46160 |
3007 |
7 |
33 |
11 |
1 |
0 |
0 |
| OW |
22 |
121 |
9 |
45 |
8 |
1 |
2 |
0 |
| VODI |
9 |
280 |
11 |
164 |
73 |
33 |
17 |
0 |
| ODI |
0 |
169 |
17 |
348 |
400 |
470 |
77 |
0 |
| CDI |
0 |
11 |
3 |
330 |
1092 |
1635 |
687 |
0 |
| VCDI |
0 |
0 |
0 |
64 |
404 |
481 |
428 |
0 |
|
Date: 2025-09-04:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
46258 |
3282 |
25 |
143 |
37 |
2 |
0 |
0 |
| OW |
0 |
83 |
5 |
52 |
11 |
1 |
0 |
0 |
| VODI |
0 |
135 |
12 |
132 |
68 |
36 |
6 |
0 |
| ODI |
0 |
51 |
11 |
212 |
446 |
387 |
48 |
0 |
| CDI |
0 |
11 |
7 |
305 |
1057 |
1384 |
499 |
0 |
| VCDI |
0 |
0 |
0 |
60 |
379 |
614 |
871 |
0 |
|
Date: 2025-09-06:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
46317 |
3526 |
29 |
188 |
46 |
2 |
0 |
0 |
| OW |
0 |
39 |
8 |
37 |
12 |
2 |
1 |
0 |
| VODI |
0 |
67 |
6 |
69 |
71 |
12 |
4 |
0 |
| ODI |
0 |
31 |
5 |
137 |
427 |
257 |
71 |
0 |
| CDI |
0 |
11 |
10 |
271 |
1010 |
1140 |
456 |
0 |
| VCDI |
0 |
0 |
0 |
53 |
414 |
850 |
1051 |
0 |
|
Date: 2025-09-08:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
46474 |
3388 |
14 |
215 |
75 |
8 |
4 |
0 |
| OW |
0 |
30 |
1 |
31 |
10 |
1 |
0 |
0 |
| VODI |
0 |
41 |
3 |
56 |
58 |
19 |
10 |
0 |
| ODI |
0 |
28 |
3 |
107 |
386 |
281 |
42 |
0 |
| CDI |
0 |
26 |
10 |
239 |
843 |
1216 |
210 |
0 |
| VCDI |
0 |
9 |
2 |
85 |
362 |
1341 |
1002 |
0 |
|
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