Validation of sea ice concentration - Asian sector
Bulletin date: 2025-04-08
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-04-08:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
261 |
7 |
62 |
1 |
0 |
0 |
0 |
| OW |
0 |
15 |
0 |
15 |
3 |
0 |
0 |
0 |
| VODI |
0 |
22 |
0 |
16 |
7 |
0 |
0 |
0 |
| ODI |
0 |
25 |
5 |
28 |
13 |
0 |
14 |
11 |
| CDI |
0 |
20 |
3 |
87 |
120 |
87 |
245 |
306 |
| VCDI |
0 |
0 |
0 |
24 |
126 |
540 |
5165 |
25055 |
|
Date: 2025-04-10:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
269 |
11 |
36 |
0 |
0 |
0 |
0 |
| OW |
0 |
43 |
1 |
8 |
0 |
0 |
0 |
0 |
| VODI |
0 |
44 |
7 |
28 |
4 |
1 |
0 |
0 |
| ODI |
0 |
38 |
0 |
66 |
9 |
29 |
7 |
11 |
| CDI |
0 |
41 |
2 |
76 |
38 |
92 |
159 |
232 |
| VCDI |
0 |
25 |
8 |
158 |
330 |
739 |
6125 |
23646 |
|
Date: 2025-04-12:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
361 |
14 |
63 |
11 |
0 |
0 |
0 |
| OW |
0 |
40 |
1 |
22 |
12 |
0 |
0 |
0 |
| VODI |
0 |
44 |
1 |
39 |
22 |
6 |
0 |
0 |
| ODI |
0 |
26 |
1 |
32 |
44 |
78 |
18 |
5 |
| CDI |
0 |
26 |
1 |
40 |
87 |
216 |
304 |
193 |
| VCDI |
0 |
20 |
5 |
115 |
252 |
1124 |
7637 |
21423 |
|
Date: 2025-04-14:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
359 |
15 |
94 |
11 |
0 |
0 |
0 |
| OW |
0 |
20 |
0 |
22 |
12 |
0 |
0 |
0 |
| VODI |
0 |
40 |
0 |
24 |
21 |
8 |
3 |
0 |
| ODI |
0 |
22 |
2 |
19 |
15 |
81 |
65 |
41 |
| CDI |
0 |
27 |
3 |
18 |
70 |
195 |
539 |
316 |
| VCDI |
0 |
28 |
12 |
103 |
293 |
815 |
7826 |
21164 |
|
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