Validation of sea ice concentration - Asian sector
Reference date: 2025-08-07
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-01:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4944 |
9357 |
543 |
627 |
88 |
0 |
0 |
0 |
| OW |
0 |
259 |
150 |
519 |
199 |
7 |
0 |
0 |
| VODI |
0 |
9 |
44 |
749 |
1274 |
262 |
1 |
0 |
| ODI |
0 |
0 |
0 |
56 |
3022 |
6910 |
129 |
0 |
| CDI |
0 |
0 |
0 |
0 |
138 |
2469 |
317 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
4 |
0 |
0 |
|
|
Date: 2025-08-03:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5860 |
8757 |
408 |
546 |
87 |
0 |
0 |
0 |
| OW |
0 |
289 |
174 |
554 |
185 |
0 |
0 |
0 |
| VODI |
0 |
24 |
65 |
845 |
1148 |
56 |
0 |
0 |
| ODI |
0 |
0 |
0 |
82 |
3132 |
5456 |
4 |
0 |
| CDI |
0 |
0 |
0 |
2 |
279 |
3911 |
183 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
31 |
2 |
0 |
|
|
Date: 2025-08-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6417 |
8398 |
407 |
478 |
59 |
0 |
0 |
0 |
| OW |
0 |
381 |
191 |
463 |
178 |
5 |
0 |
0 |
| VODI |
0 |
38 |
61 |
700 |
976 |
41 |
0 |
0 |
| ODI |
0 |
0 |
0 |
152 |
3015 |
3621 |
28 |
0 |
| CDI |
0 |
0 |
0 |
4 |
930 |
4850 |
372 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
16 |
233 |
66 |
0 |
|
|
Date: 2025-08-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6529 |
8402 |
388 |
453 |
79 |
0 |
0 |
0 |
| OW |
0 |
426 |
187 |
411 |
140 |
7 |
0 |
0 |
| VODI |
0 |
49 |
65 |
734 |
786 |
75 |
0 |
0 |
| ODI |
0 |
1 |
8 |
228 |
2936 |
3579 |
41 |
0 |
| CDI |
0 |
0 |
0 |
3 |
882 |
5123 |
208 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
297 |
21 |
0 |
|
|
Date: 2025-08-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6687 |
8611 |
372 |
333 |
19 |
0 |
0 |
0 |
| OW |
0 |
576 |
173 |
333 |
83 |
0 |
0 |
0 |
| VODI |
0 |
54 |
114 |
909 |
754 |
13 |
0 |
0 |
| ODI |
0 |
0 |
8 |
330 |
4934 |
4271 |
105 |
0 |
| CDI |
0 |
0 |
0 |
0 |
450 |
2616 |
287 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
41 |
4 |
0 |
|
|
Date: 2025-08-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6797 |
8673 |
340 |
285 |
8 |
0 |
0 |
0 |
| OW |
0 |
569 |
169 |
333 |
93 |
0 |
0 |
0 |
| VODI |
0 |
36 |
112 |
942 |
732 |
40 |
0 |
0 |
| ODI |
0 |
0 |
0 |
294 |
5024 |
5347 |
78 |
0 |
| CDI |
0 |
0 |
0 |
0 |
304 |
1813 |
81 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
10 |
0 |
0 |
|
|
Date: 2025-08-13:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8007 |
7569 |
321 |
262 |
7 |
0 |
0 |
0 |
| OW |
1 |
586 |
157 |
366 |
91 |
1 |
0 |
0 |
| VODI |
0 |
29 |
109 |
902 |
621 |
23 |
0 |
0 |
| ODI |
0 |
0 |
0 |
321 |
4860 |
5624 |
27 |
0 |
| CDI |
0 |
0 |
0 |
0 |
193 |
1877 |
112 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
14 |
0 |
0 |
|
|
Date: 2025-08-15:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8178 |
7489 |
276 |
198 |
5 |
0 |
0 |
0 |
| OW |
0 |
683 |
172 |
426 |
56 |
1 |
0 |
0 |
| VODI |
0 |
41 |
118 |
1019 |
552 |
59 |
0 |
0 |
| ODI |
0 |
0 |
0 |
343 |
5267 |
5802 |
41 |
0 |
| CDI |
0 |
0 |
0 |
0 |
144 |
1158 |
42 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
8 |
1 |
0 |
|
|
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