Validation of sea ice concentration - European sector
Bulletin date: 2025-01-23
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-01-17:
| 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 |
64190 |
13229 |
336 |
352 |
15 |
9 |
0 |
0 |
| OW |
151 |
720 |
183 |
509 |
125 |
31 |
0 |
0 |
| VODI |
16 |
237 |
96 |
403 |
334 |
100 |
2 |
0 |
| ODI |
3 |
44 |
47 |
220 |
399 |
197 |
25 |
0 |
| CDI |
3 |
3 |
24 |
206 |
594 |
839 |
626 |
3 |
| VCDI |
7 |
0 |
0 |
28 |
228 |
1240 |
8309 |
6333 |
|
...date precedes bulletin
|
Date: 2025-01-19:
| 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 |
64677 |
12449 |
316 |
293 |
20 |
0 |
0 |
0 |
| OW |
283 |
694 |
154 |
467 |
175 |
2 |
0 |
0 |
| VODI |
20 |
337 |
97 |
363 |
350 |
40 |
0 |
0 |
| ODI |
2 |
90 |
75 |
228 |
347 |
129 |
0 |
3 |
| CDI |
3 |
8 |
49 |
297 |
567 |
853 |
372 |
9 |
| VCDI |
7 |
0 |
0 |
60 |
319 |
1402 |
9744 |
5115 |
|
...date precedes bulletin
|
Date: 2025-01-21:
| 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 |
63923 |
13299 |
383 |
448 |
5 |
0 |
0 |
0 |
| OW |
87 |
552 |
140 |
677 |
107 |
0 |
0 |
0 |
| VODI |
10 |
161 |
49 |
476 |
489 |
12 |
0 |
0 |
| ODI |
0 |
43 |
35 |
212 |
563 |
157 |
3 |
0 |
| CDI |
0 |
1 |
9 |
129 |
584 |
1457 |
415 |
3 |
| VCDI |
10 |
0 |
0 |
0 |
80 |
1245 |
9348 |
5304 |
|
...date precedes bulletin
|
Date: 2025-01-23:
| 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 |
63255 |
13448 |
315 |
287 |
36 |
0 |
0 |
0 |
| OW |
93 |
698 |
242 |
560 |
119 |
2 |
0 |
0 |
| VODI |
16 |
302 |
96 |
657 |
333 |
23 |
0 |
0 |
| ODI |
1 |
126 |
49 |
262 |
620 |
212 |
7 |
0 |
| CDI |
0 |
38 |
20 |
216 |
637 |
1404 |
589 |
0 |
| VCDI |
0 |
8 |
6 |
35 |
176 |
1039 |
8960 |
5529 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63264 |
13520 |
324 |
309 |
35 |
0 |
0 |
0 |
| OW |
86 |
641 |
242 |
565 |
123 |
3 |
0 |
0 |
| VODI |
14 |
297 |
91 |
642 |
341 |
22 |
0 |
0 |
| ODI |
1 |
122 |
44 |
250 |
607 |
217 |
6 |
0 |
| CDI |
0 |
35 |
22 |
201 |
618 |
1406 |
644 |
0 |
| VCDI |
0 |
5 |
5 |
50 |
197 |
1032 |
8906 |
5529 |
|
Date: 2025-01-25:
| 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 |
61793 |
14427 |
352 |
229 |
41 |
1 |
0 |
0 |
| OW |
18 |
923 |
229 |
562 |
119 |
29 |
0 |
0 |
| VODI |
4 |
437 |
156 |
657 |
427 |
33 |
0 |
0 |
| ODI |
2 |
103 |
51 |
353 |
574 |
186 |
7 |
0 |
| CDI |
0 |
26 |
9 |
224 |
546 |
1260 |
757 |
0 |
| VCDI |
0 |
10 |
8 |
57 |
316 |
1248 |
7578 |
6664 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61795 |
14480 |
360 |
272 |
39 |
1 |
0 |
0 |
| OW |
16 |
881 |
232 |
548 |
142 |
32 |
0 |
0 |
| VODI |
4 |
430 |
148 |
620 |
432 |
34 |
0 |
0 |
| ODI |
2 |
99 |
45 |
375 |
542 |
209 |
7 |
0 |
| CDI |
0 |
28 |
13 |
206 |
565 |
1227 |
791 |
1 |
| VCDI |
0 |
8 |
7 |
61 |
303 |
1254 |
7544 |
6663 |
|
Date: 2025-01-27:
| 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 |
61356 |
15001 |
355 |
302 |
37 |
28 |
0 |
0 |
| OW |
0 |
1013 |
184 |
465 |
120 |
39 |
0 |
0 |
| VODI |
0 |
516 |
168 |
672 |
297 |
59 |
0 |
0 |
| ODI |
0 |
106 |
58 |
396 |
429 |
181 |
9 |
0 |
| CDI |
0 |
42 |
27 |
271 |
766 |
925 |
416 |
0 |
| VCDI |
0 |
7 |
0 |
87 |
438 |
1668 |
7767 |
6211 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61356 |
14769 |
324 |
262 |
46 |
24 |
0 |
0 |
| OW |
0 |
1170 |
192 |
478 |
89 |
45 |
0 |
0 |
| VODI |
0 |
572 |
178 |
699 |
302 |
63 |
0 |
0 |
| ODI |
0 |
125 |
74 |
408 |
494 |
188 |
13 |
0 |
| CDI |
0 |
41 |
24 |
260 |
721 |
886 |
360 |
0 |
| VCDI |
0 |
8 |
0 |
86 |
435 |
1694 |
7819 |
6211 |
|
Date: 2025-01-29:
| 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 |
63379 |
13576 |
347 |
223 |
34 |
11 |
0 |
0 |
| OW |
22 |
1164 |
267 |
549 |
106 |
18 |
0 |
0 |
| VODI |
0 |
430 |
229 |
806 |
271 |
43 |
0 |
0 |
| ODI |
0 |
48 |
25 |
392 |
446 |
104 |
4 |
0 |
| CDI |
0 |
17 |
7 |
142 |
693 |
729 |
256 |
0 |
| VCDI |
0 |
8 |
12 |
75 |
442 |
1860 |
8599 |
5082 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63378 |
12850 |
240 |
203 |
71 |
13 |
0 |
0 |
| OW |
17 |
1186 |
216 |
390 |
90 |
29 |
0 |
0 |
| VODI |
6 |
870 |
230 |
631 |
249 |
63 |
1 |
0 |
| ODI |
0 |
233 |
136 |
419 |
392 |
167 |
21 |
0 |
| CDI |
0 |
77 |
39 |
392 |
608 |
601 |
285 |
1 |
| VCDI |
0 |
27 |
26 |
152 |
582 |
1892 |
8552 |
5081 |
|
Date: 2025-01-31:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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