Validation of sea ice concentration - Asian sector
Bulletin date: 2025-05-27
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-05-27:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
869 |
9 |
63 |
6 |
1 |
0 |
0 |
| OW |
0 |
112 |
2 |
58 |
16 |
8 |
0 |
0 |
| VODI |
0 |
235 |
19 |
313 |
288 |
138 |
91 |
8 |
| ODI |
0 |
413 |
43 |
683 |
941 |
951 |
496 |
64 |
| CDI |
0 |
59 |
7 |
282 |
1085 |
2824 |
2819 |
1002 |
| VCDI |
0 |
5 |
0 |
37 |
519 |
2701 |
7638 |
7478 |
|
Date: 2025-05-29:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4 |
1228 |
27 |
144 |
13 |
2 |
3 |
0 |
| OW |
0 |
103 |
10 |
75 |
31 |
6 |
2 |
0 |
| VODI |
0 |
239 |
15 |
266 |
261 |
153 |
50 |
0 |
| ODI |
0 |
365 |
44 |
599 |
905 |
928 |
396 |
17 |
| CDI |
0 |
83 |
14 |
332 |
1204 |
2842 |
2256 |
1035 |
| VCDI |
0 |
9 |
1 |
66 |
745 |
3214 |
7132 |
7464 |
|
Date: 2025-05-31:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4 |
1519 |
22 |
223 |
47 |
34 |
8 |
0 |
| OW |
0 |
103 |
6 |
51 |
47 |
15 |
15 |
0 |
| VODI |
0 |
243 |
7 |
169 |
285 |
146 |
117 |
1 |
| ODI |
0 |
453 |
30 |
494 |
831 |
707 |
457 |
59 |
| CDI |
0 |
141 |
16 |
389 |
1060 |
2201 |
2326 |
1111 |
| VCDI |
0 |
19 |
6 |
163 |
530 |
2551 |
6732 |
8945 |
|
Date: 2025-06-02:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1 |
1733 |
40 |
276 |
106 |
48 |
53 |
0 |
| OW |
0 |
138 |
6 |
68 |
63 |
41 |
46 |
0 |
| VODI |
0 |
273 |
12 |
193 |
261 |
197 |
142 |
2 |
| ODI |
0 |
352 |
34 |
481 |
789 |
789 |
421 |
33 |
| CDI |
0 |
135 |
28 |
388 |
1028 |
2454 |
2120 |
886 |
| VCDI |
0 |
20 |
6 |
151 |
545 |
2635 |
7044 |
8245 |
|
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