Validation of sea ice concentration - Asian sector
Bulletin date: 2025-10-14
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-10-14:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8823 |
6144 |
5 |
31 |
0 |
0 |
0 |
0 |
| OW |
5 |
289 |
3 |
17 |
0 |
0 |
0 |
0 |
| VODI |
9 |
603 |
28 |
172 |
11 |
1 |
0 |
0 |
| ODI |
0 |
710 |
29 |
400 |
110 |
7 |
4 |
0 |
| CDI |
0 |
145 |
14 |
322 |
370 |
142 |
67 |
0 |
| VCDI |
0 |
19 |
2 |
127 |
719 |
5345 |
7531 |
42 |
|
Date: 2025-10-16:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8556 |
6301 |
17 |
109 |
26 |
0 |
0 |
0 |
| OW |
0 |
245 |
8 |
54 |
17 |
0 |
0 |
0 |
| VODI |
0 |
497 |
9 |
107 |
56 |
0 |
0 |
0 |
| ODI |
0 |
500 |
28 |
305 |
150 |
3 |
1 |
0 |
| CDI |
0 |
116 |
15 |
361 |
340 |
339 |
262 |
0 |
| VCDI |
0 |
33 |
9 |
270 |
949 |
6714 |
5820 |
29 |
|
Date: 2025-10-18:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8367 |
6351 |
45 |
364 |
106 |
42 |
0 |
0 |
| OW |
1 |
184 |
3 |
65 |
24 |
15 |
0 |
0 |
| VODI |
0 |
388 |
11 |
123 |
58 |
29 |
1 |
0 |
| ODI |
0 |
351 |
13 |
239 |
138 |
43 |
11 |
0 |
| CDI |
0 |
115 |
12 |
221 |
271 |
517 |
284 |
13 |
| VCDI |
0 |
60 |
10 |
211 |
682 |
5872 |
6509 |
497 |
|
Date: 2025-10-20:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8131 |
5293 |
70 |
829 |
384 |
152 |
9 |
0 |
| OW |
2 |
239 |
12 |
128 |
43 |
32 |
6 |
0 |
| VODI |
1 |
271 |
13 |
236 |
84 |
63 |
14 |
0 |
| ODI |
3 |
242 |
27 |
319 |
127 |
96 |
32 |
0 |
| CDI |
0 |
66 |
8 |
247 |
211 |
488 |
321 |
17 |
| VCDI |
0 |
12 |
5 |
161 |
520 |
5373 |
6745 |
1214 |
|
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