Validation of sea ice concentration - Asian sector
Bulletin date: 2025-02-25
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-02-25:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3 |
335 |
3 |
2 |
1 |
0 |
0 |
0 |
| OW |
1 |
49 |
0 |
10 |
3 |
0 |
0 |
0 |
| VODI |
0 |
59 |
5 |
10 |
16 |
0 |
0 |
0 |
| ODI |
0 |
61 |
2 |
15 |
41 |
0 |
3 |
0 |
| CDI |
0 |
58 |
5 |
31 |
88 |
30 |
111 |
78 |
| VCDI |
0 |
93 |
13 |
116 |
396 |
1020 |
6546 |
23079 |
|
Date: 2025-02-27:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
412 |
7 |
41 |
1 |
0 |
0 |
0 |
| OW |
0 |
35 |
1 |
10 |
0 |
0 |
0 |
0 |
| VODI |
0 |
32 |
0 |
12 |
9 |
0 |
0 |
0 |
| ODI |
0 |
26 |
2 |
15 |
10 |
6 |
3 |
2 |
| CDI |
0 |
18 |
0 |
33 |
31 |
42 |
84 |
85 |
| VCDI |
0 |
99 |
15 |
121 |
230 |
1119 |
4429 |
25353 |
|
Date: 2025-03-01:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
445 |
13 |
59 |
1 |
0 |
0 |
0 |
| OW |
0 |
20 |
2 |
17 |
2 |
0 |
0 |
0 |
| VODI |
0 |
16 |
1 |
18 |
0 |
0 |
0 |
0 |
| ODI |
0 |
13 |
1 |
18 |
1 |
8 |
3 |
0 |
| CDI |
0 |
17 |
1 |
16 |
27 |
61 |
62 |
70 |
| VCDI |
0 |
45 |
6 |
126 |
180 |
857 |
4643 |
25534 |
|
Date: 2025-03-03:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
438 |
10 |
71 |
11 |
0 |
0 |
0 |
| OW |
0 |
14 |
2 |
18 |
2 |
0 |
0 |
0 |
| VODI |
0 |
15 |
1 |
13 |
6 |
0 |
0 |
0 |
| ODI |
0 |
17 |
0 |
16 |
11 |
0 |
1 |
0 |
| CDI |
0 |
12 |
0 |
12 |
18 |
43 |
36 |
56 |
| VCDI |
0 |
36 |
6 |
84 |
222 |
534 |
4965 |
25613 |
|
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