Validation of sea ice concentration - European sector
Bulletin date: 2025-01-02
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-12-27:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69887 |
9443 |
98 |
109 |
32 |
0 |
0 |
0 |
| OW |
157 |
934 |
165 |
299 |
82 |
17 |
0 |
0 |
| VODI |
13 |
322 |
152 |
591 |
303 |
83 |
0 |
0 |
| ODI |
0 |
92 |
91 |
243 |
383 |
230 |
6 |
0 |
| CDI |
2 |
61 |
77 |
415 |
594 |
769 |
419 |
4 |
| VCDI |
0 |
10 |
15 |
132 |
647 |
1527 |
6628 |
5384 |
|
...date precedes bulletin
|
Date: 2024-12-29:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69901 |
9246 |
124 |
78 |
11 |
1 |
0 |
0 |
| OW |
105 |
852 |
208 |
299 |
122 |
40 |
0 |
0 |
| VODI |
6 |
254 |
169 |
549 |
286 |
84 |
0 |
0 |
| ODI |
6 |
48 |
63 |
321 |
412 |
190 |
10 |
0 |
| CDI |
0 |
32 |
39 |
283 |
831 |
908 |
650 |
2 |
| VCDI |
0 |
14 |
1 |
80 |
299 |
1636 |
6371 |
5885 |
|
...date precedes bulletin
|
Date: 2024-12-31:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68108 |
10972 |
232 |
125 |
10 |
0 |
0 |
0 |
| OW |
36 |
588 |
221 |
512 |
99 |
8 |
0 |
0 |
| VODI |
4 |
99 |
100 |
595 |
364 |
79 |
5 |
0 |
| ODI |
4 |
16 |
44 |
251 |
526 |
207 |
22 |
0 |
| CDI |
2 |
9 |
5 |
188 |
616 |
1297 |
560 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
130 |
1142 |
6982 |
6236 |
|
...date precedes bulletin
|
Date: 2025-01-02:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68509 |
10263 |
158 |
106 |
6 |
0 |
0 |
0 |
| OW |
72 |
642 |
201 |
478 |
64 |
0 |
0 |
0 |
| VODI |
1 |
248 |
123 |
480 |
338 |
32 |
0 |
0 |
| ODI |
4 |
47 |
67 |
342 |
600 |
234 |
10 |
0 |
| CDI |
6 |
29 |
19 |
282 |
771 |
1553 |
387 |
0 |
| VCDI |
0 |
4 |
2 |
79 |
331 |
1786 |
7850 |
4292 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68551 |
10486 |
215 |
230 |
9 |
0 |
0 |
0 |
| OW |
31 |
487 |
171 |
534 |
158 |
1 |
0 |
0 |
| VODI |
0 |
207 |
123 |
417 |
422 |
95 |
0 |
0 |
| ODI |
6 |
31 |
47 |
316 |
614 |
381 |
22 |
0 |
| CDI |
4 |
20 |
12 |
204 |
641 |
1464 |
549 |
0 |
| VCDI |
0 |
2 |
2 |
66 |
266 |
1664 |
7676 |
4292 |
|
Date: 2025-01-04:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68448 |
10259 |
148 |
108 |
3 |
0 |
0 |
0 |
| OW |
10 |
827 |
228 |
408 |
79 |
1 |
0 |
0 |
| VODI |
0 |
249 |
155 |
534 |
234 |
22 |
0 |
0 |
| ODI |
0 |
84 |
53 |
332 |
558 |
190 |
32 |
0 |
| CDI |
6 |
68 |
40 |
344 |
812 |
1581 |
703 |
0 |
| VCDI |
4 |
33 |
20 |
170 |
402 |
1584 |
6059 |
5628 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68452 |
10626 |
216 |
237 |
9 |
0 |
0 |
0 |
| OW |
6 |
583 |
213 |
469 |
156 |
9 |
0 |
0 |
| VODI |
0 |
203 |
137 |
520 |
335 |
49 |
1 |
0 |
| ODI |
0 |
50 |
34 |
312 |
594 |
327 |
48 |
0 |
| CDI |
6 |
35 |
31 |
225 |
693 |
1536 |
766 |
0 |
| VCDI |
4 |
23 |
13 |
133 |
301 |
1457 |
5979 |
5628 |
|
Date: 2025-01-06:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67631 |
11516 |
245 |
163 |
13 |
0 |
0 |
0 |
| OW |
40 |
730 |
291 |
530 |
78 |
0 |
0 |
0 |
| VODI |
0 |
53 |
84 |
580 |
362 |
9 |
0 |
0 |
| ODI |
0 |
17 |
8 |
191 |
641 |
117 |
0 |
0 |
| CDI |
0 |
14 |
5 |
150 |
667 |
1326 |
241 |
0 |
| VCDI |
10 |
0 |
1 |
21 |
271 |
1209 |
8030 |
5172 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67638 |
11362 |
254 |
313 |
33 |
0 |
0 |
0 |
| OW |
33 |
714 |
178 |
381 |
187 |
6 |
0 |
0 |
| VODI |
0 |
203 |
128 |
411 |
379 |
51 |
0 |
0 |
| ODI |
0 |
39 |
58 |
264 |
422 |
326 |
73 |
0 |
| CDI |
0 |
12 |
15 |
206 |
662 |
1187 |
933 |
18 |
| VCDI |
10 |
0 |
1 |
60 |
349 |
1091 |
7265 |
5154 |
|
Date: 2025-01-08:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65141 |
13305 |
401 |
506 |
33 |
0 |
0 |
0 |
| OW |
31 |
503 |
178 |
532 |
248 |
1 |
0 |
0 |
| VODI |
0 |
83 |
68 |
367 |
417 |
57 |
0 |
0 |
| ODI |
0 |
12 |
23 |
178 |
387 |
261 |
2 |
0 |
| CDI |
0 |
12 |
7 |
121 |
555 |
1269 |
1502 |
16 |
| VCDI |
0 |
16 |
4 |
15 |
121 |
669 |
7916 |
5459 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65167 |
13035 |
389 |
628 |
123 |
2 |
0 |
0 |
| OW |
5 |
668 |
142 |
378 |
277 |
33 |
0 |
0 |
| VODI |
0 |
162 |
84 |
301 |
426 |
131 |
0 |
0 |
| ODI |
0 |
45 |
38 |
193 |
333 |
399 |
67 |
0 |
| CDI |
0 |
10 |
27 |
185 |
396 |
979 |
1748 |
2 |
| VCDI |
0 |
11 |
1 |
34 |
206 |
713 |
7605 |
5473 |
|
Date: 2025-01-10:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64891 |
12944 |
355 |
451 |
49 |
0 |
0 |
0 |
| OW |
33 |
598 |
194 |
438 |
286 |
21 |
0 |
0 |
| VODI |
8 |
134 |
98 |
427 |
463 |
138 |
0 |
0 |
| ODI |
0 |
22 |
17 |
230 |
461 |
297 |
19 |
0 |
| CDI |
0 |
6 |
15 |
127 |
645 |
1685 |
846 |
2 |
| VCDI |
10 |
0 |
0 |
34 |
260 |
1672 |
7951 |
4589 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64874 |
12727 |
394 |
586 |
174 |
14 |
0 |
0 |
| OW |
52 |
694 |
100 |
363 |
356 |
43 |
0 |
0 |
| VODI |
6 |
205 |
112 |
281 |
399 |
212 |
0 |
0 |
| ODI |
0 |
62 |
45 |
206 |
350 |
509 |
44 |
0 |
| CDI |
3 |
16 |
26 |
223 |
588 |
1400 |
1043 |
3 |
| VCDI |
7 |
0 |
2 |
48 |
297 |
1635 |
7729 |
4588 |
|
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