Validation of sea ice concentration - Asian sector
Bulletin date: 2025-08-12
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-12:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7748 |
6350 |
5 |
24 |
3 |
0 |
0 |
0 |
| OW |
28 |
574 |
10 |
51 |
9 |
5 |
0 |
0 |
| VODI |
21 |
1068 |
34 |
221 |
115 |
61 |
0 |
0 |
| ODI |
1 |
751 |
63 |
881 |
1069 |
745 |
10 |
0 |
| CDI |
0 |
227 |
33 |
639 |
3118 |
3288 |
96 |
0 |
| VCDI |
0 |
5 |
1 |
78 |
1856 |
2849 |
209 |
0 |
|
Date: 2025-08-14:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8790 |
6736 |
35 |
165 |
17 |
0 |
0 |
0 |
| OW |
0 |
201 |
14 |
75 |
34 |
3 |
0 |
0 |
| VODI |
0 |
365 |
24 |
259 |
154 |
71 |
2 |
0 |
| ODI |
0 |
575 |
47 |
716 |
1156 |
719 |
14 |
0 |
| CDI |
0 |
176 |
30 |
572 |
2747 |
3473 |
39 |
0 |
| VCDI |
0 |
4 |
1 |
127 |
1556 |
3236 |
113 |
0 |
|
Date: 2025-08-16:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8743 |
7144 |
67 |
314 |
54 |
3 |
0 |
0 |
| OW |
0 |
139 |
7 |
99 |
40 |
14 |
0 |
0 |
| VODI |
0 |
340 |
17 |
223 |
211 |
74 |
5 |
0 |
| ODI |
0 |
526 |
29 |
554 |
1179 |
684 |
20 |
0 |
| CDI |
0 |
164 |
21 |
580 |
3221 |
2804 |
70 |
0 |
| VCDI |
0 |
8 |
6 |
186 |
1932 |
2696 |
72 |
0 |
|
Date: 2025-08-18:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9398 |
6749 |
68 |
409 |
209 |
33 |
0 |
0 |
| OW |
8 |
134 |
5 |
46 |
61 |
15 |
0 |
0 |
| VODI |
38 |
277 |
16 |
145 |
240 |
48 |
0 |
0 |
| ODI |
22 |
508 |
29 |
453 |
1413 |
496 |
4 |
0 |
| CDI |
6 |
176 |
22 |
559 |
3973 |
2031 |
19 |
0 |
| VCDI |
0 |
35 |
10 |
224 |
2284 |
2063 |
20 |
0 |
|
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