Validation of sea ice concentration - American sector
Reference date: 2025-09-11
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-09-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14955 |
4572 |
159 |
162 |
10 |
0 |
0 |
0 |
| OW |
151 |
5325 |
574 |
812 |
60 |
0 |
0 |
0 |
| VODI |
0 |
58 |
154 |
1418 |
439 |
15 |
0 |
0 |
| ODI |
0 |
0 |
1 |
610 |
4312 |
988 |
3 |
0 |
| CDI |
0 |
0 |
0 |
0 |
584 |
8096 |
1331 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
474 |
575 |
0 |
|
|
Date: 2025-09-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15047 |
4639 |
180 |
194 |
13 |
1 |
0 |
0 |
| OW |
221 |
5248 |
618 |
689 |
57 |
2 |
0 |
0 |
| VODI |
0 |
75 |
134 |
1410 |
337 |
8 |
0 |
0 |
| ODI |
0 |
1 |
4 |
755 |
4047 |
925 |
10 |
0 |
| CDI |
0 |
0 |
0 |
7 |
534 |
8401 |
1526 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
382 |
374 |
0 |
|
|
Date: 2025-09-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14916 |
4865 |
224 |
225 |
21 |
0 |
0 |
0 |
| OW |
182 |
5137 |
624 |
841 |
42 |
0 |
0 |
0 |
| VODI |
0 |
44 |
52 |
1322 |
309 |
5 |
0 |
0 |
| ODI |
0 |
0 |
4 |
976 |
2319 |
345 |
8 |
0 |
| CDI |
0 |
0 |
0 |
18 |
2116 |
7659 |
1856 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
912 |
816 |
0 |
|
|
Date: 2025-09-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14990 |
4902 |
216 |
176 |
39 |
6 |
0 |
0 |
| OW |
0 |
4968 |
598 |
905 |
130 |
6 |
0 |
0 |
| VODI |
0 |
83 |
78 |
1141 |
403 |
69 |
6 |
0 |
| ODI |
0 |
0 |
6 |
1093 |
2302 |
414 |
30 |
0 |
| CDI |
0 |
0 |
0 |
28 |
2104 |
5031 |
1205 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
3029 |
1878 |
0 |
|
|
Date: 2025-09-13:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-09-15:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-09-17:
| Best estimate |
|
|
...observations not yet available
|
|
Date: 2025-09-19:
| Best estimate |
|
|
...observations not yet available
|
|
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