Validation of sea ice concentration - American sector
Reference date: 2025-12-18
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-12-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2515 |
3859 |
99 |
159 |
19 |
0 |
0 |
0 |
| OW |
113 |
130 |
14 |
74 |
48 |
58 |
2 |
0 |
| VODI |
44 |
114 |
18 |
87 |
66 |
39 |
0 |
0 |
| ODI |
9 |
97 |
13 |
69 |
145 |
81 |
1 |
0 |
| CDI |
0 |
68 |
26 |
111 |
470 |
876 |
80 |
0 |
| VCDI |
0 |
1 |
0 |
2 |
260 |
3856 |
14485 |
17745 |
|
|
Date: 2025-12-14:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1995 |
3674 |
134 |
235 |
38 |
0 |
0 |
0 |
| OW |
37 |
135 |
18 |
84 |
203 |
72 |
0 |
0 |
| VODI |
15 |
179 |
12 |
72 |
68 |
106 |
0 |
0 |
| ODI |
3 |
98 |
25 |
93 |
149 |
139 |
0 |
0 |
| CDI |
0 |
41 |
27 |
68 |
298 |
1043 |
432 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
108 |
3518 |
15362 |
17368 |
|
|
Date: 2025-12-16:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63 |
3852 |
409 |
562 |
391 |
67 |
0 |
0 |
| OW |
2 |
107 |
26 |
40 |
138 |
216 |
35 |
0 |
| VODI |
0 |
147 |
16 |
46 |
51 |
163 |
44 |
0 |
| ODI |
0 |
216 |
23 |
70 |
81 |
292 |
35 |
0 |
| CDI |
0 |
12 |
12 |
53 |
230 |
1363 |
352 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
94 |
3053 |
11493 |
22091 |
|
|
Date: 2025-12-18:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17 |
1211 |
143 |
472 |
1183 |
900 |
6 |
0 |
| OW |
3 |
129 |
18 |
36 |
57 |
214 |
4 |
0 |
| VODI |
16 |
82 |
14 |
45 |
82 |
437 |
5 |
0 |
| ODI |
4 |
75 |
23 |
25 |
96 |
347 |
23 |
0 |
| CDI |
1 |
169 |
59 |
94 |
91 |
1128 |
332 |
0 |
| VCDI |
0 |
2 |
9 |
51 |
210 |
3615 |
14793 |
19632 |
|
|
Date: 2025-12-20:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-12-22:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-12-24:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-12-26:
| Best estimate |
|
|
...observations not yet available
|
|
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