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 |
23 |
5 |
0 |
0 |
0 |
0 |
| OW |
0 |
84 |
17 |
9 |
0 |
0 |
0 |
0 |
| VODI |
0 |
71 |
43 |
94 |
0 |
0 |
0 |
0 |
| ODI |
0 |
8 |
16 |
170 |
95 |
11 |
3 |
0 |
| CDI |
0 |
0 |
0 |
80 |
252 |
319 |
86 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
486 |
5393 |
24578 |
|
|
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 |
246 |
37 |
15 |
0 |
0 |
0 |
0 |
| OW |
0 |
71 |
15 |
21 |
2 |
0 |
0 |
0 |
| VODI |
0 |
91 |
17 |
71 |
22 |
0 |
0 |
0 |
| ODI |
0 |
37 |
26 |
161 |
161 |
49 |
1 |
0 |
| CDI |
0 |
0 |
0 |
23 |
204 |
607 |
160 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
713 |
7760 |
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 |
277 |
39 |
22 |
0 |
0 |
0 |
0 |
| OW |
0 |
47 |
7 |
35 |
3 |
0 |
0 |
0 |
| VODI |
0 |
89 |
18 |
73 |
45 |
0 |
0 |
0 |
| ODI |
0 |
22 |
25 |
125 |
230 |
29 |
5 |
0 |
| CDI |
0 |
0 |
0 |
9 |
124 |
760 |
284 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
262 |
7994 |
21556 |
|
|
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 |
289 |
24 |
31 |
1 |
0 |
0 |
0 |
| OW |
0 |
40 |
4 |
29 |
5 |
0 |
0 |
0 |
| VODI |
0 |
78 |
28 |
51 |
20 |
4 |
0 |
0 |
| ODI |
0 |
7 |
15 |
120 |
209 |
79 |
3 |
0 |
| CDI |
0 |
0 |
0 |
4 |
125 |
671 |
360 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
418 |
9581 |
19884 |
|
|
Date: 2025-04-18:
| 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 |
247 |
20 |
28 |
0 |
0 |
0 |
0 |
| OW |
0 |
40 |
6 |
16 |
2 |
0 |
0 |
0 |
| VODI |
0 |
46 |
40 |
73 |
22 |
3 |
0 |
0 |
| ODI |
0 |
0 |
3 |
78 |
183 |
98 |
14 |
0 |
| CDI |
0 |
0 |
0 |
2 |
81 |
463 |
314 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
453 |
10951 |
18881 |
|
|
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