Validation of sea ice concentration - Asian sector
Reference date: 2025-03-13
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-03-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
271 |
18 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
135 |
4 |
15 |
1 |
0 |
0 |
0 |
| VODI |
0 |
150 |
18 |
25 |
5 |
0 |
0 |
0 |
| ODI |
0 |
12 |
26 |
78 |
50 |
5 |
1 |
0 |
| CDI |
0 |
0 |
2 |
50 |
100 |
179 |
37 |
7 |
| VCDI |
0 |
0 |
0 |
1 |
4 |
222 |
4315 |
26340 |
|
|
Date: 2025-03-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
328 |
15 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
141 |
37 |
41 |
0 |
0 |
0 |
0 |
| VODI |
0 |
11 |
12 |
53 |
2 |
1 |
0 |
0 |
| ODI |
0 |
0 |
13 |
114 |
77 |
4 |
3 |
0 |
| CDI |
0 |
0 |
0 |
13 |
72 |
127 |
77 |
13 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
90 |
3286 |
27541 |
|
|
Date: 2025-03-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
296 |
28 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
107 |
21 |
23 |
0 |
0 |
0 |
0 |
| VODI |
0 |
28 |
17 |
100 |
16 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
47 |
121 |
51 |
9 |
0 |
| CDI |
0 |
0 |
0 |
0 |
13 |
126 |
102 |
4 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
82 |
2997 |
27887 |
|
|
Date: 2025-03-13:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
258 |
27 |
18 |
0 |
0 |
0 |
0 |
| OW |
0 |
34 |
2 |
14 |
1 |
0 |
0 |
0 |
| VODI |
0 |
121 |
26 |
81 |
23 |
0 |
0 |
0 |
| ODI |
0 |
2 |
0 |
53 |
103 |
32 |
4 |
0 |
| CDI |
0 |
0 |
0 |
0 |
31 |
161 |
115 |
5 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
104 |
5631 |
25236 |
|
|
Date: 2025-03-15:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
292 |
22 |
8 |
0 |
0 |
0 |
0 |
| OW |
0 |
111 |
5 |
11 |
0 |
0 |
0 |
0 |
| VODI |
0 |
93 |
31 |
26 |
11 |
0 |
0 |
0 |
| ODI |
0 |
2 |
18 |
137 |
31 |
1 |
2 |
0 |
| CDI |
0 |
0 |
0 |
12 |
116 |
131 |
41 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
366 |
8459 |
22147 |
|
|
Date: 2025-03-17:
| 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 |
13 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
52 |
5 |
8 |
0 |
0 |
0 |
0 |
| VODI |
0 |
73 |
32 |
48 |
4 |
2 |
0 |
0 |
| ODI |
0 |
14 |
1 |
59 |
118 |
34 |
2 |
0 |
| CDI |
0 |
0 |
0 |
6 |
79 |
317 |
148 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
20 |
1258 |
11691 |
17862 |
|
|
Date: 2025-03-19:
| 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 |
217 |
23 |
14 |
0 |
0 |
0 |
0 |
| OW |
0 |
43 |
13 |
22 |
0 |
0 |
0 |
0 |
| VODI |
0 |
28 |
14 |
70 |
35 |
3 |
0 |
0 |
| ODI |
0 |
1 |
1 |
20 |
104 |
84 |
8 |
0 |
| CDI |
0 |
0 |
0 |
4 |
68 |
260 |
254 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
1134 |
11835 |
17810 |
|
|
Date: 2025-03-21:
| 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 |
203 |
24 |
24 |
0 |
0 |
0 |
0 |
| OW |
0 |
32 |
6 |
31 |
0 |
0 |
0 |
0 |
| VODI |
0 |
8 |
10 |
62 |
44 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
22 |
73 |
88 |
19 |
0 |
| CDI |
0 |
0 |
0 |
31 |
94 |
254 |
248 |
1 |
| VCDI |
0 |
0 |
0 |
3 |
12 |
549 |
9790 |
20452 |
|
|
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