Validation of sea ice concentration - European sector
Bulletin date: 2025-02-06
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-01-31:
| 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 |
63034 |
13870 |
239 |
207 |
28 |
0 |
0 |
0 |
| OW |
15 |
1297 |
268 |
508 |
110 |
1 |
0 |
0 |
| VODI |
1 |
492 |
207 |
899 |
258 |
16 |
0 |
0 |
| ODI |
0 |
87 |
70 |
421 |
501 |
52 |
1 |
0 |
| CDI |
0 |
4 |
39 |
380 |
811 |
538 |
191 |
0 |
| VCDI |
0 |
4 |
2 |
113 |
677 |
2247 |
7253 |
5575 |
|
...date precedes bulletin
|
Date: 2025-02-02:
| 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 |
62946 |
13661 |
199 |
141 |
31 |
13 |
0 |
0 |
| OW |
0 |
1233 |
318 |
599 |
75 |
20 |
0 |
0 |
| VODI |
0 |
611 |
222 |
873 |
237 |
45 |
0 |
0 |
| ODI |
0 |
173 |
108 |
429 |
581 |
81 |
2 |
0 |
| CDI |
0 |
64 |
87 |
453 |
991 |
757 |
131 |
1 |
| VCDI |
0 |
3 |
27 |
188 |
917 |
3585 |
8312 |
2302 |
|
...date precedes bulletin
|
Date: 2025-02-04:
| 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 |
62621 |
13739 |
329 |
299 |
2 |
24 |
0 |
0 |
| OW |
1 |
1643 |
343 |
548 |
97 |
10 |
0 |
0 |
| VODI |
0 |
339 |
169 |
832 |
675 |
27 |
4 |
0 |
| ODI |
0 |
90 |
64 |
316 |
868 |
161 |
16 |
0 |
| CDI |
0 |
50 |
70 |
288 |
1217 |
1155 |
302 |
0 |
| VCDI |
0 |
12 |
31 |
191 |
813 |
2344 |
7400 |
3326 |
|
...date precedes bulletin
|
Date: 2025-02-06:
| 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 |
61469 |
14492 |
278 |
486 |
97 |
0 |
15 |
0 |
| OW |
0 |
1288 |
278 |
507 |
109 |
0 |
10 |
2 |
| VODI |
0 |
490 |
189 |
876 |
683 |
66 |
10 |
1 |
| ODI |
0 |
124 |
73 |
325 |
892 |
309 |
30 |
0 |
| CDI |
0 |
106 |
54 |
359 |
979 |
1095 |
554 |
0 |
| VCDI |
0 |
160 |
74 |
295 |
670 |
2768 |
6175 |
4028 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61469 |
14431 |
282 |
500 |
87 |
0 |
17 |
0 |
| OW |
0 |
1322 |
260 |
484 |
123 |
0 |
7 |
2 |
| VODI |
0 |
510 |
204 |
857 |
649 |
57 |
8 |
1 |
| ODI |
0 |
139 |
75 |
353 |
887 |
311 |
29 |
0 |
| CDI |
0 |
103 |
53 |
374 |
1053 |
1162 |
617 |
0 |
| VCDI |
0 |
155 |
72 |
280 |
631 |
2708 |
6116 |
4028 |
|
Date: 2025-02-08:
| 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 |
63367 |
11795 |
258 |
440 |
120 |
4 |
0 |
0 |
| OW |
43 |
1344 |
222 |
475 |
161 |
24 |
0 |
0 |
| VODI |
23 |
733 |
221 |
819 |
551 |
71 |
1 |
0 |
| ODI |
0 |
180 |
109 |
404 |
816 |
365 |
34 |
0 |
| CDI |
0 |
82 |
57 |
355 |
832 |
1497 |
484 |
1 |
| VCDI |
0 |
102 |
44 |
242 |
531 |
2931 |
7115 |
3563 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63358 |
11765 |
262 |
452 |
123 |
11 |
0 |
0 |
| OW |
47 |
1322 |
216 |
414 |
150 |
15 |
0 |
0 |
| VODI |
28 |
773 |
221 |
833 |
542 |
61 |
1 |
0 |
| ODI |
0 |
184 |
111 |
445 |
808 |
361 |
30 |
0 |
| CDI |
0 |
90 |
58 |
373 |
861 |
1507 |
547 |
1 |
| VCDI |
0 |
102 |
43 |
218 |
527 |
2937 |
7056 |
3563 |
|
Date: 2025-02-10:
| 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 |
62021 |
13339 |
204 |
314 |
19 |
2 |
0 |
0 |
| OW |
0 |
1378 |
532 |
685 |
85 |
18 |
0 |
0 |
| VODI |
0 |
144 |
136 |
1301 |
487 |
25 |
0 |
0 |
| ODI |
0 |
21 |
17 |
365 |
962 |
275 |
0 |
0 |
| CDI |
0 |
1 |
5 |
185 |
970 |
1890 |
172 |
0 |
| VCDI |
0 |
1 |
0 |
25 |
347 |
3169 |
7414 |
3907 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62021 |
13061 |
262 |
412 |
16 |
11 |
0 |
0 |
| OW |
0 |
1101 |
283 |
468 |
89 |
12 |
0 |
0 |
| VODI |
0 |
550 |
249 |
974 |
368 |
54 |
0 |
0 |
| ODI |
0 |
103 |
57 |
561 |
739 |
303 |
18 |
0 |
| CDI |
0 |
57 |
30 |
301 |
1135 |
1545 |
428 |
0 |
| VCDI |
0 |
12 |
13 |
159 |
523 |
3454 |
7140 |
3907 |
|
Date: 2025-02-12:
| 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 |
60756 |
14326 |
347 |
418 |
16 |
0 |
0 |
0 |
| OW |
0 |
1118 |
462 |
678 |
77 |
1 |
0 |
0 |
| VODI |
0 |
221 |
206 |
930 |
384 |
22 |
0 |
0 |
| ODI |
0 |
42 |
21 |
435 |
740 |
208 |
1 |
0 |
| CDI |
0 |
13 |
14 |
214 |
1041 |
1585 |
249 |
0 |
| VCDI |
0 |
12 |
11 |
157 |
692 |
4259 |
7677 |
3083 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60756 |
14051 |
329 |
426 |
29 |
0 |
0 |
0 |
| OW |
0 |
1030 |
382 |
493 |
66 |
1 |
0 |
0 |
| VODI |
0 |
474 |
253 |
876 |
261 |
22 |
0 |
0 |
| ODI |
0 |
100 |
59 |
572 |
717 |
240 |
0 |
0 |
| CDI |
0 |
55 |
27 |
292 |
1293 |
1419 |
290 |
0 |
| VCDI |
0 |
22 |
11 |
173 |
584 |
4393 |
7637 |
3083 |
|
Date: 2025-02-14:
| 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 |
60119 |
14735 |
363 |
342 |
15 |
0 |
0 |
0 |
| OW |
21 |
859 |
251 |
778 |
123 |
1 |
0 |
0 |
| VODI |
0 |
246 |
147 |
922 |
478 |
38 |
0 |
0 |
| ODI |
0 |
64 |
33 |
387 |
752 |
322 |
8 |
0 |
| CDI |
0 |
30 |
27 |
170 |
840 |
1488 |
634 |
0 |
| VCDI |
0 |
26 |
20 |
141 |
496 |
3562 |
8634 |
3344 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60125 |
14219 |
292 |
339 |
15 |
0 |
0 |
0 |
| OW |
15 |
1056 |
217 |
573 |
89 |
3 |
0 |
0 |
| VODI |
0 |
428 |
224 |
805 |
427 |
24 |
0 |
0 |
| ODI |
0 |
137 |
46 |
574 |
716 |
274 |
7 |
0 |
| CDI |
0 |
84 |
34 |
286 |
995 |
1627 |
599 |
0 |
| VCDI |
0 |
36 |
28 |
163 |
462 |
3483 |
8670 |
3344 |
|
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