Validation of sea ice concentration - Asian sector
Bulletin date: 2025-03-25
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-03-25:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
228 |
5 |
14 |
0 |
0 |
0 |
0 |
| OW |
0 |
35 |
3 |
11 |
0 |
0 |
0 |
0 |
| VODI |
0 |
57 |
4 |
29 |
3 |
0 |
1 |
0 |
| ODI |
0 |
70 |
4 |
52 |
6 |
9 |
7 |
2 |
| CDI |
0 |
48 |
2 |
63 |
38 |
65 |
149 |
133 |
| VCDI |
0 |
34 |
1 |
75 |
200 |
457 |
7011 |
23467 |
|
Date: 2025-03-27:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
375 |
0 |
7 |
6 |
0 |
0 |
0 |
| OW |
0 |
47 |
3 |
2 |
9 |
0 |
0 |
0 |
| VODI |
0 |
104 |
4 |
26 |
49 |
5 |
0 |
0 |
| ODI |
0 |
75 |
4 |
23 |
79 |
43 |
21 |
3 |
| CDI |
0 |
79 |
6 |
35 |
89 |
193 |
177 |
141 |
| VCDI |
0 |
76 |
10 |
154 |
214 |
916 |
6779 |
22529 |
|
Date: 2025-03-29:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
494 |
2 |
37 |
15 |
0 |
0 |
0 |
| OW |
0 |
71 |
1 |
26 |
17 |
0 |
0 |
0 |
| VODI |
0 |
96 |
0 |
53 |
57 |
20 |
0 |
2 |
| ODI |
0 |
76 |
3 |
50 |
77 |
105 |
45 |
22 |
| CDI |
0 |
67 |
6 |
23 |
88 |
269 |
338 |
271 |
| VCDI |
0 |
76 |
10 |
148 |
227 |
1409 |
7193 |
20889 |
|
Date: 2025-03-31:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
505 |
5 |
40 |
54 |
13 |
0 |
0 |
| OW |
0 |
41 |
3 |
37 |
10 |
3 |
1 |
0 |
| VODI |
0 |
54 |
3 |
50 |
30 |
23 |
3 |
9 |
| ODI |
0 |
32 |
2 |
45 |
79 |
146 |
41 |
22 |
| CDI |
0 |
49 |
1 |
31 |
89 |
397 |
359 |
213 |
| VCDI |
0 |
49 |
7 |
83 |
200 |
1759 |
8570 |
19225 |
|
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