Validation of sea ice concentration - European sector
Bulletin date: 2025-09-16
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-09-16:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
46241 |
2429 |
0 |
5 |
1 |
0 |
0 |
0 |
| OW |
1 |
143 |
3 |
11 |
4 |
0 |
0 |
0 |
| VODI |
0 |
362 |
13 |
40 |
48 |
5 |
0 |
0 |
| ODI |
0 |
297 |
24 |
263 |
119 |
30 |
24 |
0 |
| CDI |
0 |
18 |
5 |
155 |
402 |
934 |
240 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
95 |
2549 |
2125 |
35 |
|
Date: 2025-09-18:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
46021 |
2903 |
9 |
62 |
34 |
27 |
0 |
0 |
| OW |
0 |
81 |
3 |
14 |
10 |
13 |
0 |
0 |
| VODI |
0 |
129 |
4 |
41 |
19 |
41 |
0 |
0 |
| ODI |
0 |
129 |
12 |
113 |
79 |
37 |
12 |
0 |
| CDI |
0 |
14 |
1 |
87 |
286 |
391 |
298 |
24 |
| VCDI |
0 |
1 |
0 |
9 |
60 |
2009 |
3229 |
428 |
|
Date: 2025-09-20:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
45799 |
3011 |
16 |
118 |
75 |
8 |
0 |
0 |
| OW |
0 |
40 |
1 |
20 |
14 |
9 |
0 |
0 |
| VODI |
0 |
87 |
0 |
34 |
30 |
14 |
0 |
0 |
| ODI |
0 |
74 |
1 |
77 |
102 |
25 |
13 |
6 |
| CDI |
0 |
10 |
1 |
55 |
281 |
323 |
250 |
53 |
| VCDI |
0 |
2 |
0 |
15 |
161 |
2792 |
2496 |
617 |
|
Date: 2025-09-22:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
45938 |
2893 |
16 |
119 |
93 |
48 |
7 |
0 |
| OW |
0 |
37 |
2 |
6 |
7 |
6 |
1 |
0 |
| VODI |
0 |
74 |
0 |
14 |
12 |
12 |
3 |
0 |
| ODI |
0 |
154 |
1 |
27 |
22 |
21 |
18 |
5 |
| CDI |
0 |
109 |
12 |
72 |
104 |
96 |
370 |
56 |
| VCDI |
0 |
33 |
4 |
108 |
326 |
905 |
4332 |
567 |
|
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