Validation of sea ice concentration - Full domain
Bulletin date: 2025-11-04
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-11-04:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56273 |
9043 |
10 |
149 |
32 |
5 |
0 |
0 |
| OW |
187 |
895 |
3 |
46 |
4 |
5 |
0 |
0 |
| VODI |
233 |
1140 |
17 |
94 |
44 |
6 |
0 |
0 |
| ODI |
106 |
898 |
36 |
296 |
114 |
7 |
8 |
0 |
| CDI |
9 |
737 |
42 |
621 |
487 |
275 |
227 |
5 |
| VCDI |
0 |
461 |
47 |
703 |
1802 |
8178 |
33701 |
17486 |
|
Date: 2025-11-06:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
53470 |
10287 |
41 |
305 |
124 |
29 |
6 |
0 |
| OW |
133 |
389 |
7 |
68 |
49 |
3 |
4 |
0 |
| VODI |
220 |
706 |
13 |
136 |
113 |
5 |
1 |
0 |
| ODI |
241 |
1316 |
25 |
291 |
174 |
22 |
4 |
0 |
| CDI |
94 |
1062 |
53 |
637 |
434 |
195 |
272 |
76 |
| VCDI |
13 |
345 |
46 |
795 |
1905 |
6837 |
30252 |
23234 |
|
Date: 2025-11-08:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
52073 |
10539 |
26 |
252 |
137 |
75 |
10 |
0 |
| OW |
119 |
399 |
10 |
57 |
27 |
14 |
0 |
0 |
| VODI |
156 |
634 |
17 |
126 |
53 |
24 |
3 |
0 |
| ODI |
72 |
868 |
25 |
199 |
125 |
40 |
5 |
0 |
| CDI |
3 |
1387 |
49 |
806 |
625 |
303 |
259 |
32 |
| VCDI |
0 |
723 |
44 |
974 |
1672 |
5715 |
30872 |
24883 |
|
Date: 2025-11-10:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
51070 |
10817 |
50 |
301 |
128 |
63 |
8 |
0 |
| OW |
28 |
325 |
11 |
68 |
34 |
9 |
1 |
0 |
| VODI |
56 |
538 |
10 |
177 |
69 |
17 |
3 |
0 |
| ODI |
80 |
643 |
19 |
253 |
160 |
42 |
9 |
0 |
| CDI |
35 |
934 |
37 |
650 |
724 |
410 |
278 |
111 |
| VCDI |
37 |
1113 |
41 |
788 |
2223 |
5527 |
28570 |
27965 |
|
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