Validation of sea ice concentration - Asian sector
Reference date: 2025-04-10
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-04-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
289 |
18 |
13 |
0 |
0 |
0 |
0 |
| OW |
0 |
87 |
9 |
17 |
0 |
0 |
0 |
0 |
| VODI |
0 |
144 |
19 |
59 |
18 |
0 |
0 |
0 |
| ODI |
0 |
32 |
26 |
137 |
169 |
56 |
0 |
0 |
| CDI |
0 |
0 |
4 |
43 |
245 |
414 |
231 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
23 |
427 |
6590 |
23012 |
|
|
Date: 2025-04-06:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
225 |
30 |
12 |
0 |
0 |
0 |
0 |
| OW |
0 |
99 |
14 |
11 |
0 |
0 |
0 |
0 |
| VODI |
0 |
97 |
26 |
39 |
5 |
1 |
0 |
0 |
| ODI |
0 |
17 |
32 |
156 |
89 |
23 |
7 |
0 |
| CDI |
0 |
0 |
0 |
32 |
206 |
506 |
238 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
165 |
4427 |
25604 |
|
|
Date: 2025-04-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
194 |
25 |
21 |
0 |
0 |
0 |
0 |
| OW |
0 |
66 |
12 |
8 |
3 |
0 |
0 |
0 |
| VODI |
0 |
27 |
31 |
109 |
33 |
0 |
1 |
0 |
| ODI |
0 |
0 |
0 |
75 |
133 |
73 |
9 |
0 |
| CDI |
0 |
0 |
0 |
11 |
82 |
351 |
209 |
10 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
218 |
4820 |
25561 |
|
|
Date: 2025-04-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
218 |
24 |
5 |
0 |
0 |
0 |
0 |
| OW |
0 |
83 |
16 |
9 |
0 |
0 |
0 |
0 |
| VODI |
0 |
72 |
43 |
95 |
0 |
0 |
0 |
0 |
| ODI |
0 |
8 |
16 |
168 |
96 |
11 |
3 |
0 |
| CDI |
0 |
0 |
0 |
81 |
251 |
322 |
86 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
483 |
5393 |
24579 |
|
|
Date: 2025-04-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
250 |
37 |
16 |
0 |
0 |
0 |
0 |
| OW |
0 |
67 |
15 |
20 |
2 |
0 |
0 |
0 |
| VODI |
0 |
91 |
17 |
72 |
21 |
0 |
0 |
0 |
| ODI |
0 |
37 |
26 |
159 |
157 |
49 |
1 |
0 |
| CDI |
0 |
0 |
0 |
24 |
209 |
613 |
161 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
707 |
7759 |
21563 |
|
|
Date: 2025-04-14:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
280 |
38 |
23 |
0 |
0 |
0 |
0 |
| OW |
0 |
47 |
8 |
32 |
2 |
0 |
0 |
0 |
| VODI |
0 |
86 |
18 |
77 |
47 |
0 |
0 |
0 |
| ODI |
0 |
22 |
25 |
123 |
229 |
29 |
5 |
0 |
| CDI |
0 |
0 |
0 |
9 |
124 |
755 |
277 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
267 |
8001 |
21555 |
|
|
Date: 2025-04-16:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
282 |
27 |
31 |
1 |
0 |
0 |
0 |
| OW |
0 |
36 |
5 |
34 |
2 |
0 |
0 |
0 |
| VODI |
0 |
79 |
26 |
49 |
21 |
4 |
0 |
0 |
| ODI |
0 |
7 |
16 |
124 |
188 |
86 |
3 |
0 |
| CDI |
0 |
0 |
0 |
4 |
148 |
624 |
343 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
458 |
9598 |
19885 |
|
|
Date: 2025-04-18:
| Best estimate |
|
|
...observations not yet available
|
|
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