Validation of sea ice concentration - American sector
Reference date: 2025-12-11
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-12-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2922 |
4056 |
98 |
130 |
25 |
3 |
0 |
0 |
| OW |
66 |
96 |
26 |
80 |
57 |
21 |
0 |
0 |
| VODI |
33 |
127 |
42 |
105 |
252 |
247 |
2 |
0 |
| ODI |
11 |
349 |
46 |
192 |
479 |
217 |
17 |
0 |
| CDI |
0 |
133 |
5 |
64 |
616 |
715 |
188 |
0 |
| VCDI |
0 |
0 |
0 |
28 |
184 |
1484 |
11616 |
21119 |
|
|
Date: 2025-12-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2626 |
4233 |
106 |
70 |
16 |
2 |
0 |
0 |
| OW |
58 |
129 |
65 |
61 |
24 |
6 |
0 |
0 |
| VODI |
7 |
234 |
65 |
157 |
186 |
52 |
0 |
0 |
| ODI |
0 |
384 |
40 |
188 |
443 |
497 |
20 |
0 |
| CDI |
0 |
5 |
1 |
56 |
414 |
842 |
341 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
304 |
1854 |
9330 |
23025 |
|
|
Date: 2025-12-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2695 |
3989 |
82 |
93 |
38 |
9 |
0 |
0 |
| OW |
82 |
142 |
29 |
65 |
32 |
10 |
0 |
0 |
| VODI |
22 |
325 |
55 |
137 |
102 |
61 |
0 |
0 |
| ODI |
4 |
143 |
34 |
126 |
416 |
449 |
3 |
0 |
| CDI |
0 |
4 |
3 |
31 |
431 |
1329 |
381 |
2 |
| VCDI |
0 |
0 |
0 |
4 |
113 |
1393 |
9801 |
23216 |
|
|
Date: 2025-12-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2643 |
3889 |
68 |
63 |
41 |
41 |
0 |
0 |
| OW |
112 |
155 |
24 |
41 |
7 |
20 |
0 |
0 |
| VODI |
51 |
133 |
30 |
91 |
30 |
29 |
0 |
0 |
| ODI |
5 |
81 |
17 |
125 |
97 |
125 |
20 |
0 |
| CDI |
0 |
83 |
26 |
141 |
386 |
600 |
148 |
0 |
| VCDI |
0 |
42 |
15 |
50 |
463 |
2811 |
12210 |
20938 |
|
|
Date: 2025-12-13:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-12-15:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-12-17:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-12-19:
| Best estimate |
|
|
...observations not yet available
|
|
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