Validation of sea ice concentration - Full domain
Bulletin date: 2025-11-18
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-11-18:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
48338 |
9633 |
20 |
89 |
26 |
0 |
0 |
0 |
| OW |
99 |
362 |
5 |
38 |
15 |
1 |
0 |
0 |
| VODI |
154 |
711 |
10 |
105 |
63 |
13 |
0 |
0 |
| ODI |
261 |
1347 |
25 |
269 |
199 |
72 |
4 |
0 |
| CDI |
23 |
1083 |
24 |
391 |
540 |
496 |
296 |
13 |
| VCDI |
0 |
754 |
42 |
830 |
2324 |
11119 |
31956 |
22683 |
|
Date: 2025-11-20:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
47475 |
10033 |
22 |
196 |
122 |
21 |
0 |
0 |
| OW |
59 |
298 |
6 |
45 |
21 |
7 |
0 |
0 |
| VODI |
103 |
566 |
11 |
85 |
37 |
33 |
1 |
0 |
| ODI |
72 |
571 |
17 |
132 |
81 |
54 |
8 |
0 |
| CDI |
108 |
847 |
12 |
307 |
273 |
498 |
254 |
30 |
| VCDI |
44 |
2009 |
53 |
965 |
1936 |
9673 |
32850 |
24498 |
|
Date: 2025-11-22:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
47321 |
10069 |
40 |
305 |
212 |
105 |
16 |
0 |
| OW |
42 |
270 |
3 |
46 |
22 |
27 |
0 |
0 |
| VODI |
43 |
448 |
4 |
93 |
54 |
49 |
2 |
0 |
| ODI |
31 |
403 |
13 |
123 |
66 |
91 |
10 |
0 |
| CDI |
37 |
413 |
18 |
254 |
276 |
552 |
480 |
13 |
| VCDI |
52 |
1895 |
60 |
949 |
2032 |
7284 |
33151 |
27059 |
|
Date: 2025-11-24:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
46624 |
10269 |
34 |
393 |
320 |
293 |
50 |
0 |
| OW |
41 |
232 |
3 |
50 |
33 |
44 |
7 |
0 |
| VODI |
79 |
326 |
1 |
81 |
49 |
76 |
21 |
0 |
| ODI |
41 |
339 |
8 |
95 |
84 |
97 |
29 |
0 |
| CDI |
42 |
359 |
10 |
198 |
261 |
530 |
636 |
40 |
| VCDI |
84 |
1726 |
63 |
1023 |
1985 |
6844 |
31671 |
29242 |
|
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