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 |
452 |
77 |
0 |
0 |
0 |
| OW |
0 |
426 |
187 |
415 |
141 |
7 |
0 |
0 |
| VODI |
0 |
49 |
65 |
731 |
784 |
74 |
0 |
0 |
| ODI |
0 |
1 |
8 |
228 |
2942 |
3583 |
41 |
0 |
| CDI |
0 |
0 |
0 |
3 |
878 |
5118 |
207 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
23 |
299 |
22 |
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 |
373 |
332 |
19 |
0 |
0 |
0 |
| OW |
0 |
577 |
172 |
335 |
81 |
0 |
0 |
0 |
| VODI |
0 |
53 |
113 |
911 |
743 |
12 |
0 |
0 |
| ODI |
0 |
0 |
9 |
327 |
4950 |
4280 |
105 |
0 |
| CDI |
0 |
0 |
0 |
0 |
447 |
2609 |
287 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
40 |
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 |
8674 |
338 |
280 |
8 |
0 |
0 |
0 |
| OW |
0 |
569 |
174 |
333 |
88 |
0 |
0 |
0 |
| VODI |
0 |
35 |
109 |
956 |
737 |
41 |
0 |
0 |
| ODI |
0 |
0 |
0 |
285 |
5040 |
5431 |
82 |
0 |
| CDI |
0 |
0 |
0 |
0 |
287 |
1731 |
77 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
7 |
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 |
7566 |
307 |
251 |
7 |
0 |
0 |
0 |
| OW |
1 |
581 |
163 |
365 |
90 |
1 |
0 |
0 |
| VODI |
0 |
37 |
116 |
921 |
707 |
44 |
0 |
0 |
| ODI |
0 |
0 |
1 |
314 |
4818 |
6023 |
44 |
0 |
| CDI |
0 |
0 |
0 |
0 |
150 |
1465 |
95 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
6 |
0 |
0 |
|
|
Date: 2025-08-15:
| Best estimate |
|
|
...observations not yet available
|
|
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