Validation of sea ice concentration - Asian sector
Reference date: 2025-03-20
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-03-14:
| 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 |
286 |
33 |
10 |
0 |
0 |
0 |
0 |
| OW |
0 |
58 |
7 |
13 |
0 |
0 |
0 |
0 |
| VODI |
0 |
108 |
37 |
62 |
6 |
0 |
0 |
0 |
| ODI |
0 |
1 |
1 |
114 |
71 |
0 |
3 |
0 |
| CDI |
0 |
0 |
0 |
0 |
107 |
129 |
29 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
214 |
6488 |
24301 |
|
|
Date: 2025-03-16:
| 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 |
239 |
25 |
12 |
0 |
0 |
0 |
0 |
| OW |
0 |
40 |
4 |
23 |
0 |
0 |
0 |
0 |
| VODI |
0 |
97 |
32 |
29 |
3 |
3 |
0 |
0 |
| ODI |
0 |
9 |
8 |
115 |
79 |
10 |
0 |
0 |
| CDI |
0 |
0 |
0 |
12 |
103 |
223 |
41 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
754 |
11209 |
19002 |
|
|
Date: 2025-03-18:
| 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 |
210 |
17 |
9 |
0 |
0 |
0 |
0 |
| OW |
0 |
49 |
12 |
17 |
0 |
0 |
0 |
0 |
| VODI |
0 |
57 |
15 |
81 |
17 |
2 |
0 |
0 |
| ODI |
0 |
0 |
1 |
19 |
130 |
62 |
6 |
0 |
| CDI |
0 |
0 |
0 |
7 |
79 |
319 |
188 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
1137 |
11402 |
18234 |
|
|
Date: 2025-03-20:
| 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 |
210 |
24 |
24 |
0 |
0 |
0 |
0 |
| OW |
0 |
33 |
7 |
29 |
0 |
0 |
0 |
0 |
| VODI |
0 |
10 |
9 |
73 |
48 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
18 |
74 |
105 |
9 |
0 |
| CDI |
0 |
0 |
0 |
26 |
74 |
259 |
256 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
47 |
836 |
11192 |
18714 |
|
|
Date: 2025-03-22:
| 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 |
196 |
22 |
23 |
0 |
0 |
0 |
0 |
| OW |
0 |
42 |
10 |
29 |
0 |
0 |
0 |
0 |
| VODI |
0 |
6 |
8 |
65 |
27 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
18 |
82 |
60 |
36 |
0 |
| CDI |
0 |
0 |
0 |
59 |
99 |
197 |
177 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
391 |
9587 |
20942 |
|
|
Date: 2025-03-24:
| 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 |
209 |
26 |
8 |
0 |
0 |
0 |
0 |
| OW |
0 |
63 |
18 |
20 |
0 |
0 |
0 |
0 |
| VODI |
0 |
35 |
17 |
64 |
4 |
0 |
0 |
0 |
| ODI |
0 |
5 |
2 |
62 |
78 |
16 |
0 |
1 |
| CDI |
0 |
4 |
6 |
47 |
129 |
164 |
82 |
27 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
259 |
6986 |
23742 |
|
|
Date: 2025-03-26:
| 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 |
319 |
5 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
91 |
6 |
3 |
0 |
0 |
0 |
0 |
| VODI |
0 |
103 |
27 |
15 |
15 |
0 |
0 |
0 |
| ODI |
0 |
31 |
37 |
97 |
27 |
7 |
1 |
0 |
| CDI |
0 |
9 |
10 |
97 |
169 |
198 |
57 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
86 |
673 |
6853 |
23145 |
|
|
Date: 2025-03-28:
| 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 |
384 |
2 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
107 |
5 |
13 |
0 |
0 |
0 |
0 |
| VODI |
0 |
141 |
16 |
28 |
13 |
3 |
0 |
0 |
| ODI |
0 |
116 |
50 |
107 |
53 |
15 |
0 |
0 |
| CDI |
0 |
10 |
13 |
100 |
301 |
391 |
37 |
0 |
| VCDI |
0 |
0 |
0 |
23 |
69 |
843 |
7326 |
21909 |
|
|
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