Validation of sea ice concentration - Asian sector
Bulletin date: 2025-06-24
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-06-24:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
758 |
3223 |
14 |
49 |
17 |
2 |
3 |
0 |
| OW |
20 |
442 |
10 |
68 |
29 |
9 |
3 |
0 |
| VODI |
15 |
916 |
38 |
308 |
178 |
103 |
75 |
0 |
| ODI |
3 |
824 |
38 |
609 |
771 |
866 |
675 |
39 |
| CDI |
0 |
181 |
16 |
436 |
1545 |
3145 |
4321 |
392 |
| VCDI |
1 |
3 |
0 |
34 |
1279 |
3588 |
6677 |
523 |
|
Date: 2025-06-26:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
912 |
4495 |
40 |
243 |
135 |
33 |
7 |
0 |
| OW |
0 |
206 |
7 |
93 |
50 |
37 |
7 |
0 |
| VODI |
0 |
398 |
13 |
202 |
174 |
171 |
127 |
0 |
| ODI |
0 |
563 |
38 |
450 |
496 |
1031 |
900 |
20 |
| CDI |
0 |
206 |
20 |
447 |
1029 |
3491 |
4223 |
169 |
| VCDI |
0 |
32 |
0 |
140 |
526 |
3852 |
6906 |
357 |
|
Date: 2025-06-28:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1225 |
4728 |
54 |
343 |
230 |
130 |
21 |
0 |
| OW |
0 |
160 |
6 |
58 |
56 |
35 |
14 |
0 |
| VODI |
0 |
286 |
11 |
144 |
161 |
175 |
84 |
0 |
| ODI |
0 |
411 |
25 |
327 |
549 |
1044 |
742 |
0 |
| CDI |
0 |
197 |
7 |
353 |
1241 |
3878 |
4093 |
0 |
| VCDI |
0 |
71 |
9 |
125 |
917 |
4089 |
6247 |
0 |
|
Date: 2025-06-30:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1306 |
4856 |
46 |
402 |
322 |
174 |
30 |
0 |
| OW |
0 |
141 |
7 |
62 |
67 |
39 |
12 |
0 |
| VODI |
0 |
226 |
10 |
126 |
159 |
179 |
64 |
0 |
| ODI |
0 |
365 |
22 |
301 |
610 |
1038 |
660 |
10 |
| CDI |
0 |
208 |
23 |
394 |
1504 |
3964 |
3953 |
108 |
| VCDI |
0 |
83 |
7 |
117 |
739 |
4529 |
5167 |
216 |
|
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