Validation of sea ice concentration - Full domain
Bulletin date: 2025-10-07
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-10-07:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69007 |
12208 |
15 |
95 |
7 |
0 |
0 |
0 |
| OW |
35 |
642 |
2 |
30 |
10 |
0 |
0 |
0 |
| VODI |
42 |
1304 |
21 |
174 |
57 |
2 |
0 |
0 |
| ODI |
93 |
1691 |
65 |
672 |
544 |
348 |
6 |
0 |
| CDI |
5 |
764 |
63 |
1061 |
1096 |
1104 |
436 |
48 |
| VCDI |
1 |
106 |
23 |
342 |
1494 |
12122 |
24933 |
3765 |
|
Date: 2025-10-09:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70111 |
12161 |
11 |
108 |
42 |
16 |
0 |
0 |
| OW |
4 |
574 |
1 |
39 |
10 |
8 |
1 |
0 |
| VODI |
6 |
1046 |
18 |
109 |
40 |
17 |
1 |
0 |
| ODI |
7 |
1295 |
49 |
474 |
166 |
83 |
29 |
0 |
| CDI |
0 |
822 |
45 |
845 |
1149 |
1228 |
743 |
17 |
| VCDI |
0 |
225 |
21 |
445 |
1557 |
13821 |
24390 |
2699 |
|
Date: 2025-10-11:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68696 |
13366 |
48 |
262 |
91 |
57 |
14 |
0 |
| OW |
0 |
451 |
13 |
76 |
20 |
5 |
4 |
0 |
| VODI |
0 |
903 |
16 |
172 |
61 |
20 |
10 |
0 |
| ODI |
0 |
894 |
37 |
411 |
183 |
40 |
35 |
0 |
| CDI |
0 |
653 |
71 |
779 |
925 |
715 |
681 |
0 |
| VCDI |
0 |
266 |
22 |
523 |
1452 |
13407 |
27818 |
1236 |
|
Date: 2025-10-13:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67240 |
14369 |
46 |
388 |
318 |
22 |
0 |
0 |
| OW |
0 |
450 |
8 |
56 |
45 |
17 |
0 |
0 |
| VODI |
0 |
863 |
20 |
117 |
56 |
49 |
2 |
0 |
| ODI |
0 |
782 |
31 |
292 |
183 |
122 |
39 |
0 |
| CDI |
0 |
729 |
52 |
551 |
681 |
818 |
921 |
42 |
| VCDI |
0 |
378 |
23 |
687 |
1404 |
9541 |
28573 |
4518 |
|
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