Validation of sea ice concentration - Asian sector
Bulletin date: 2025-11-11
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-11-11:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1996 |
1173 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
22 |
100 |
1 |
2 |
0 |
0 |
0 |
0 |
| VODI |
33 |
186 |
1 |
9 |
0 |
0 |
0 |
0 |
| ODI |
35 |
1423 |
17 |
284 |
73 |
2 |
0 |
2 |
| CDI |
10 |
654 |
8 |
198 |
198 |
40 |
42 |
36 |
| VCDI |
0 |
56 |
2 |
129 |
683 |
2407 |
10623 |
11800 |
|
Date: 2025-11-13:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
856 |
2055 |
1 |
1 |
0 |
0 |
0 |
0 |
| OW |
2 |
80 |
0 |
4 |
0 |
0 |
0 |
0 |
| VODI |
0 |
133 |
0 |
2 |
1 |
0 |
0 |
0 |
| ODI |
0 |
211 |
2 |
27 |
8 |
10 |
0 |
0 |
| CDI |
0 |
775 |
2 |
164 |
123 |
68 |
31 |
45 |
| VCDI |
0 |
1389 |
21 |
530 |
659 |
2829 |
8264 |
13952 |
|
Date: 2025-11-15:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1676 |
1214 |
0 |
5 |
0 |
0 |
0 |
0 |
| OW |
46 |
52 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
41 |
68 |
0 |
1 |
0 |
0 |
0 |
0 |
| ODI |
49 |
96 |
0 |
4 |
29 |
8 |
0 |
0 |
| CDI |
69 |
140 |
1 |
3 |
56 |
63 |
40 |
31 |
| VCDI |
280 |
2246 |
46 |
446 |
894 |
3345 |
10764 |
10532 |
|
Date: 2025-11-17:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2130 |
1030 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
49 |
53 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
61 |
68 |
0 |
2 |
7 |
0 |
0 |
0 |
| ODI |
34 |
130 |
1 |
10 |
40 |
39 |
0 |
0 |
| CDI |
39 |
145 |
1 |
16 |
100 |
143 |
26 |
4 |
| VCDI |
292 |
1821 |
29 |
413 |
960 |
4666 |
11199 |
8737 |
|
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