Validation of sea ice concentration - European sector
Bulletin date: 2025-04-08
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-04-08:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16080 |
14404 |
70 |
830 |
231 |
7 |
0 |
0 |
| OW |
6 |
251 |
10 |
175 |
116 |
2 |
0 |
0 |
| VODI |
3 |
286 |
19 |
313 |
287 |
27 |
10 |
0 |
| ODI |
0 |
152 |
19 |
331 |
471 |
218 |
95 |
0 |
| CDI |
0 |
64 |
8 |
371 |
883 |
817 |
326 |
7 |
| VCDI |
0 |
12 |
5 |
246 |
1220 |
4564 |
7474 |
6258 |
|
Date: 2025-04-10:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16210 |
14931 |
119 |
1026 |
314 |
7 |
0 |
0 |
| OW |
0 |
117 |
8 |
117 |
82 |
7 |
0 |
0 |
| VODI |
0 |
137 |
8 |
205 |
191 |
21 |
0 |
0 |
| ODI |
0 |
88 |
9 |
262 |
332 |
157 |
54 |
0 |
| CDI |
0 |
81 |
9 |
354 |
984 |
865 |
448 |
14 |
| VCDI |
0 |
33 |
14 |
303 |
1366 |
4329 |
7988 |
5478 |
|
Date: 2025-04-12:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15565 |
15356 |
120 |
1101 |
536 |
67 |
1 |
0 |
| OW |
0 |
81 |
6 |
99 |
84 |
22 |
1 |
0 |
| VODI |
0 |
86 |
14 |
193 |
152 |
52 |
4 |
0 |
| ODI |
0 |
55 |
9 |
224 |
203 |
175 |
47 |
1 |
| CDI |
0 |
56 |
8 |
389 |
836 |
951 |
736 |
25 |
| VCDI |
0 |
10 |
6 |
344 |
1445 |
3962 |
7925 |
5721 |
|
Date: 2025-04-14:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15609 |
15394 |
161 |
1171 |
488 |
31 |
0 |
0 |
| OW |
1 |
75 |
5 |
109 |
90 |
25 |
0 |
0 |
| VODI |
0 |
95 |
10 |
147 |
155 |
63 |
1 |
0 |
| ODI |
0 |
91 |
8 |
223 |
240 |
223 |
81 |
4 |
| CDI |
0 |
61 |
9 |
314 |
811 |
973 |
661 |
28 |
| VCDI |
0 |
3 |
8 |
393 |
1444 |
3420 |
7819 |
6224 |
|
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