Validation of sea ice concentration - American sector
Reference date: 2025-11-27
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-11-21:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8474 |
2141 |
164 |
234 |
31 |
0 |
0 |
0 |
| OW |
0 |
211 |
47 |
187 |
182 |
31 |
0 |
0 |
| VODI |
0 |
276 |
67 |
137 |
182 |
60 |
4 |
0 |
| ODI |
0 |
75 |
60 |
257 |
349 |
112 |
8 |
0 |
| CDI |
0 |
4 |
6 |
85 |
784 |
841 |
58 |
3 |
| VCDI |
0 |
0 |
0 |
11 |
195 |
2557 |
13084 |
14929 |
|
|
Date: 2025-11-23:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8461 |
1655 |
144 |
252 |
187 |
6 |
0 |
0 |
| OW |
0 |
155 |
33 |
80 |
177 |
103 |
0 |
0 |
| VODI |
0 |
201 |
65 |
201 |
175 |
210 |
7 |
0 |
| ODI |
0 |
24 |
21 |
172 |
456 |
275 |
39 |
0 |
| CDI |
0 |
0 |
6 |
31 |
421 |
1524 |
325 |
4 |
| VCDI |
0 |
0 |
0 |
0 |
55 |
1878 |
12038 |
16465 |
|
|
Date: 2025-11-25:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8433 |
1621 |
128 |
164 |
104 |
2 |
0 |
0 |
| OW |
0 |
155 |
66 |
169 |
131 |
30 |
0 |
0 |
| VODI |
0 |
174 |
64 |
188 |
149 |
163 |
65 |
0 |
| ODI |
0 |
43 |
49 |
172 |
333 |
284 |
86 |
0 |
| CDI |
0 |
0 |
4 |
82 |
333 |
1072 |
547 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
301 |
1175 |
10585 |
18974 |
|
|
Date: 2025-11-27:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8365 |
1284 |
112 |
119 |
78 |
1 |
0 |
0 |
| OW |
18 |
185 |
63 |
106 |
114 |
13 |
0 |
0 |
| VODI |
6 |
175 |
33 |
96 |
135 |
80 |
28 |
0 |
| ODI |
1 |
129 |
59 |
134 |
186 |
125 |
74 |
0 |
| CDI |
0 |
56 |
45 |
199 |
373 |
518 |
299 |
1 |
| VCDI |
0 |
6 |
6 |
58 |
391 |
2217 |
14148 |
15810 |
|
|
Date: 2025-11-29:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-12-01:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-12-03:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-12-05:
| Best estimate |
|
|
...observations not yet available
|
|
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