Validation of sea ice concentration - American sector
Reference date: 2025-10-02
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-09-26:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16154 |
5179 |
131 |
78 |
14 |
0 |
0 |
0 |
| OW |
520 |
3180 |
231 |
496 |
195 |
8 |
0 |
0 |
| VODI |
0 |
74 |
58 |
395 |
482 |
276 |
10 |
0 |
| ODI |
0 |
5 |
2 |
82 |
506 |
761 |
34 |
0 |
| CDI |
0 |
0 |
0 |
0 |
148 |
1903 |
974 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
830 |
7787 |
5328 |
|
|
Date: 2025-09-28:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15497 |
5736 |
178 |
126 |
11 |
0 |
0 |
0 |
| OW |
23 |
2672 |
333 |
797 |
151 |
4 |
0 |
0 |
| VODI |
0 |
69 |
52 |
363 |
503 |
130 |
10 |
0 |
| ODI |
0 |
0 |
1 |
57 |
482 |
449 |
82 |
0 |
| CDI |
0 |
0 |
0 |
1 |
184 |
1488 |
523 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
974 |
10457 |
4489 |
|
|
Date: 2025-09-30:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15255 |
5896 |
229 |
193 |
4 |
0 |
0 |
0 |
| OW |
0 |
1704 |
350 |
676 |
325 |
1 |
0 |
0 |
| VODI |
0 |
58 |
44 |
385 |
546 |
55 |
1 |
0 |
| ODI |
0 |
5 |
6 |
137 |
535 |
347 |
18 |
0 |
| CDI |
0 |
0 |
2 |
12 |
374 |
1302 |
141 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
1608 |
11462 |
4149 |
|
|
Date: 2025-10-02:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14787 |
5746 |
309 |
655 |
88 |
0 |
0 |
0 |
| OW |
0 |
1145 |
257 |
704 |
353 |
94 |
0 |
0 |
| VODI |
0 |
21 |
39 |
248 |
348 |
106 |
4 |
0 |
| ODI |
0 |
18 |
8 |
115 |
535 |
234 |
20 |
0 |
| CDI |
0 |
1 |
4 |
14 |
370 |
1481 |
236 |
3 |
| VCDI |
0 |
0 |
1 |
1 |
90 |
1862 |
8382 |
7563 |
|
|
Date: 2025-10-04:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-10-06:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-10-08:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-10-10:
| Best estimate |
|
|
...observations not yet available
|
|
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