Validation of sea ice concentration - Asian sector
Bulletin date: 2025-07-01
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-07-01:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1295 |
4056 |
12 |
54 |
24 |
8 |
3 |
0 |
| OW |
23 |
364 |
8 |
90 |
40 |
18 |
10 |
0 |
| VODI |
8 |
799 |
38 |
299 |
202 |
153 |
47 |
0 |
| ODI |
1 |
548 |
35 |
524 |
800 |
1116 |
697 |
13 |
| CDI |
0 |
123 |
18 |
389 |
1423 |
4265 |
3867 |
183 |
| VCDI |
0 |
4 |
1 |
57 |
749 |
4287 |
5266 |
329 |
|
Date: 2025-07-03:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1270 |
5180 |
50 |
293 |
190 |
100 |
10 |
0 |
| OW |
0 |
160 |
2 |
53 |
59 |
56 |
5 |
0 |
| VODI |
0 |
255 |
11 |
151 |
231 |
192 |
50 |
0 |
| ODI |
0 |
338 |
25 |
410 |
843 |
1104 |
740 |
2 |
| CDI |
0 |
143 |
19 |
395 |
1568 |
4236 |
3352 |
42 |
| VCDI |
0 |
25 |
5 |
121 |
1086 |
4794 |
4626 |
54 |
|
Date: 2025-07-05:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1649 |
5062 |
36 |
419 |
379 |
171 |
11 |
0 |
| OW |
0 |
98 |
3 |
42 |
82 |
23 |
1 |
0 |
| VODI |
0 |
204 |
12 |
121 |
331 |
146 |
78 |
0 |
| ODI |
0 |
367 |
29 |
389 |
955 |
929 |
782 |
0 |
| CDI |
0 |
174 |
17 |
444 |
2045 |
3596 |
3311 |
0 |
| VCDI |
0 |
81 |
10 |
163 |
1062 |
4591 |
4433 |
0 |
|
Date: 2025-07-07:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1366 |
5512 |
42 |
470 |
501 |
276 |
8 |
0 |
| OW |
0 |
103 |
0 |
41 |
71 |
57 |
2 |
0 |
| VODI |
0 |
209 |
4 |
116 |
278 |
161 |
61 |
0 |
| ODI |
0 |
374 |
21 |
422 |
852 |
1082 |
583 |
13 |
| CDI |
0 |
297 |
16 |
429 |
1653 |
4607 |
2894 |
177 |
| VCDI |
0 |
103 |
6 |
128 |
748 |
4845 |
3380 |
338 |
|
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