Validation of sea ice concentration - Full domain
Bulletin date: 2025-11-11
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-11-11:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
51039 |
9035 |
7 |
32 |
1 |
3 |
0 |
0 |
| OW |
56 |
374 |
7 |
26 |
11 |
3 |
0 |
0 |
| VODI |
73 |
771 |
13 |
91 |
37 |
13 |
0 |
0 |
| ODI |
45 |
2114 |
41 |
528 |
210 |
63 |
3 |
2 |
| CDI |
10 |
1192 |
31 |
669 |
784 |
295 |
271 |
38 |
| VCDI |
0 |
301 |
17 |
629 |
2208 |
5909 |
28261 |
29219 |
|
Date: 2025-11-13:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
49735 |
10099 |
31 |
198 |
80 |
15 |
0 |
0 |
| OW |
68 |
321 |
7 |
43 |
24 |
15 |
0 |
0 |
| VODI |
85 |
524 |
7 |
78 |
84 |
36 |
1 |
0 |
| ODI |
41 |
594 |
14 |
139 |
104 |
59 |
7 |
0 |
| CDI |
13 |
1106 |
35 |
512 |
582 |
296 |
224 |
50 |
| VCDI |
0 |
1826 |
57 |
1056 |
1906 |
7038 |
27847 |
29475 |
|
Date: 2025-11-15:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
50152 |
9339 |
45 |
290 |
111 |
37 |
8 |
0 |
| OW |
67 |
244 |
2 |
61 |
56 |
15 |
2 |
0 |
| VODI |
69 |
335 |
9 |
100 |
70 |
33 |
3 |
0 |
| ODI |
72 |
401 |
6 |
119 |
113 |
50 |
6 |
0 |
| CDI |
76 |
444 |
28 |
269 |
310 |
359 |
222 |
31 |
| VCDI |
280 |
2715 |
80 |
1098 |
1961 |
8569 |
33228 |
22947 |
|
Date: 2025-11-17:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
49778 |
9344 |
34 |
340 |
167 |
44 |
10 |
0 |
| OW |
57 |
279 |
0 |
33 |
38 |
15 |
0 |
0 |
| VODI |
69 |
419 |
4 |
43 |
60 |
41 |
1 |
0 |
| ODI |
35 |
391 |
26 |
102 |
119 |
118 |
2 |
0 |
| CDI |
39 |
468 |
13 |
205 |
392 |
454 |
178 |
9 |
| VCDI |
292 |
2275 |
76 |
1098 |
2430 |
11152 |
31141 |
22641 |
|
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