Validation of sea ice concentration - American sector
Reference date: 2025-08-14
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11239 |
5213 |
328 |
415 |
29 |
0 |
0 |
0 |
| OW |
0 |
852 |
497 |
953 |
130 |
4 |
0 |
0 |
| VODI |
0 |
132 |
240 |
2655 |
1406 |
203 |
5 |
0 |
| ODI |
0 |
0 |
0 |
297 |
3598 |
1982 |
516 |
0 |
| CDI |
0 |
0 |
0 |
0 |
853 |
6472 |
3966 |
88 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
138 |
2113 |
1512 |
|
|
Date: 2025-08-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11393 |
5154 |
339 |
381 |
26 |
0 |
0 |
0 |
| OW |
0 |
1117 |
607 |
1220 |
84 |
0 |
0 |
0 |
| VODI |
0 |
38 |
120 |
3199 |
1014 |
38 |
2 |
0 |
| ODI |
0 |
0 |
0 |
201 |
3793 |
3347 |
852 |
2 |
| CDI |
0 |
0 |
0 |
0 |
185 |
5556 |
3267 |
21 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
453 |
3366 |
68 |
|
|
Date: 2025-08-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11644 |
5158 |
396 |
298 |
24 |
0 |
0 |
0 |
| OW |
0 |
1611 |
728 |
914 |
88 |
0 |
0 |
0 |
| VODI |
0 |
101 |
199 |
2931 |
877 |
34 |
5 |
0 |
| ODI |
0 |
0 |
0 |
231 |
4199 |
3658 |
442 |
0 |
| CDI |
0 |
0 |
0 |
0 |
115 |
5297 |
2822 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
968 |
3103 |
0 |
|
|
Date: 2025-08-14:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11438 |
5477 |
412 |
356 |
35 |
0 |
0 |
0 |
| OW |
0 |
2054 |
685 |
754 |
45 |
4 |
1 |
0 |
| VODI |
0 |
165 |
369 |
3095 |
1209 |
110 |
9 |
0 |
| ODI |
0 |
0 |
0 |
247 |
4875 |
3700 |
313 |
0 |
| CDI |
0 |
0 |
0 |
2 |
578 |
3926 |
2702 |
144 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
504 |
2223 |
406 |
|
|
Date: 2025-08-16:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-08-18:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-08-20:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-08-22:
| Best estimate |
|
|
...observations not yet available
|
|
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