Validation of sea ice concentration - European sector
Bulletin date: 2025-01-30
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-01-24:
| 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 |
62079 |
13286 |
88 |
77 |
25 |
4 |
0 |
0 |
| OW |
825 |
1039 |
259 |
260 |
68 |
24 |
11 |
0 |
| VODI |
1798 |
514 |
131 |
410 |
318 |
86 |
29 |
0 |
| ODI |
1920 |
218 |
72 |
171 |
346 |
341 |
71 |
0 |
| CDI |
0 |
90 |
35 |
170 |
271 |
860 |
1457 |
0 |
| VCDI |
0 |
36 |
32 |
62 |
175 |
602 |
9581 |
5021 |
|
...date precedes bulletin
|
Date: 2025-01-26:
| 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 |
59953 |
15087 |
156 |
124 |
26 |
13 |
3 |
0 |
| OW |
686 |
1354 |
165 |
216 |
90 |
33 |
21 |
0 |
| VODI |
1780 |
657 |
171 |
375 |
329 |
94 |
19 |
0 |
| ODI |
1927 |
186 |
95 |
258 |
416 |
258 |
50 |
0 |
| CDI |
0 |
82 |
52 |
185 |
393 |
1061 |
790 |
0 |
| VCDI |
0 |
5 |
19 |
75 |
154 |
1323 |
9285 |
4896 |
|
...date precedes bulletin
|
Date: 2025-01-28:
| 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 |
60427 |
15240 |
129 |
99 |
20 |
9 |
5 |
0 |
| OW |
756 |
1508 |
232 |
269 |
61 |
38 |
27 |
0 |
| VODI |
1778 |
509 |
206 |
536 |
327 |
68 |
23 |
0 |
| ODI |
1929 |
84 |
72 |
240 |
347 |
193 |
55 |
0 |
| CDI |
0 |
21 |
23 |
121 |
414 |
697 |
543 |
0 |
| VCDI |
0 |
8 |
13 |
70 |
218 |
1319 |
8799 |
5429 |
|
...date precedes bulletin
|
Date: 2025-01-30:
| 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 |
62496 |
13446 |
69 |
60 |
21 |
10 |
4 |
0 |
| OW |
681 |
1639 |
174 |
150 |
51 |
31 |
4 |
0 |
| VODI |
1778 |
793 |
264 |
454 |
219 |
41 |
4 |
0 |
| ODI |
1929 |
153 |
109 |
304 |
325 |
97 |
21 |
0 |
| CDI |
0 |
50 |
58 |
247 |
460 |
539 |
400 |
0 |
| VCDI |
0 |
21 |
21 |
113 |
412 |
1774 |
9116 |
4324 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62491 |
13458 |
63 |
62 |
28 |
17 |
7 |
0 |
| OW |
686 |
1601 |
178 |
145 |
43 |
26 |
0 |
0 |
| VODI |
1778 |
814 |
264 |
461 |
213 |
39 |
4 |
0 |
| ODI |
1929 |
158 |
120 |
309 |
321 |
100 |
25 |
0 |
| CDI |
0 |
46 |
47 |
246 |
487 |
526 |
425 |
0 |
| VCDI |
0 |
25 |
23 |
105 |
396 |
1784 |
9088 |
4324 |
|
Date: 2025-02-01:
| 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 |
62063 |
13513 |
81 |
69 |
39 |
13 |
0 |
0 |
| OW |
662 |
1667 |
175 |
185 |
72 |
22 |
6 |
0 |
| VODI |
1781 |
866 |
218 |
526 |
237 |
60 |
9 |
0 |
| ODI |
1925 |
277 |
91 |
306 |
369 |
120 |
24 |
0 |
| CDI |
0 |
156 |
92 |
301 |
561 |
614 |
291 |
0 |
| VCDI |
0 |
20 |
29 |
180 |
461 |
2563 |
8305 |
3913 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62062 |
13503 |
83 |
78 |
50 |
13 |
1 |
0 |
| OW |
663 |
1634 |
160 |
163 |
64 |
24 |
5 |
0 |
| VODI |
1781 |
913 |
229 |
531 |
219 |
56 |
14 |
0 |
| ODI |
1925 |
271 |
90 |
319 |
373 |
104 |
19 |
0 |
| CDI |
0 |
152 |
98 |
294 |
552 |
644 |
319 |
0 |
| VCDI |
0 |
26 |
26 |
182 |
481 |
2551 |
8277 |
3913 |
|
Date: 2025-02-03:
| 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 |
61590 |
13855 |
96 |
61 |
28 |
6 |
0 |
0 |
| OW |
677 |
2194 |
232 |
263 |
102 |
16 |
0 |
0 |
| VODI |
1810 |
589 |
266 |
616 |
362 |
77 |
21 |
0 |
| ODI |
1882 |
144 |
70 |
330 |
608 |
210 |
62 |
0 |
| CDI |
0 |
129 |
61 |
234 |
832 |
1243 |
443 |
0 |
| VCDI |
0 |
22 |
39 |
161 |
442 |
2471 |
7472 |
3146 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61590 |
13464 |
96 |
65 |
48 |
8 |
0 |
0 |
| OW |
662 |
1625 |
159 |
229 |
89 |
20 |
1 |
0 |
| VODI |
1787 |
944 |
217 |
425 |
285 |
40 |
44 |
0 |
| ODI |
1920 |
381 |
112 |
327 |
511 |
161 |
66 |
0 |
| CDI |
0 |
335 |
90 |
319 |
655 |
796 |
394 |
0 |
| VCDI |
0 |
184 |
90 |
300 |
786 |
2998 |
7493 |
3146 |
|
Date: 2025-02-05:
| 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 |
60867 |
14309 |
174 |
219 |
55 |
6 |
7 |
0 |
| OW |
674 |
1754 |
212 |
280 |
71 |
12 |
4 |
0 |
| VODI |
1807 |
688 |
202 |
583 |
506 |
106 |
19 |
0 |
| ODI |
1887 |
211 |
79 |
263 |
544 |
290 |
152 |
0 |
| CDI |
0 |
221 |
74 |
246 |
656 |
1030 |
930 |
0 |
| VCDI |
0 |
229 |
84 |
236 |
624 |
2124 |
7728 |
2699 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60866 |
13569 |
163 |
221 |
51 |
4 |
5 |
0 |
| OW |
663 |
1476 |
190 |
208 |
118 |
28 |
14 |
0 |
| VODI |
1785 |
1014 |
154 |
501 |
399 |
55 |
49 |
0 |
| ODI |
1921 |
537 |
92 |
281 |
499 |
278 |
96 |
0 |
| CDI |
0 |
400 |
111 |
292 |
577 |
875 |
868 |
0 |
| VCDI |
0 |
416 |
115 |
324 |
812 |
2328 |
7808 |
2699 |
|
Date: 2025-02-07:
| 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 |
61386 |
12952 |
188 |
318 |
142 |
19 |
0 |
3 |
| OW |
649 |
1655 |
181 |
277 |
128 |
23 |
4 |
11 |
| VODI |
1795 |
796 |
251 |
525 |
438 |
168 |
22 |
9 |
| ODI |
1905 |
282 |
89 |
274 |
621 |
486 |
230 |
8 |
| CDI |
0 |
273 |
83 |
234 |
566 |
1076 |
676 |
75 |
| VCDI |
0 |
302 |
94 |
212 |
496 |
2292 |
7269 |
3379 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61387 |
12210 |
220 |
378 |
138 |
26 |
1 |
4 |
| OW |
642 |
1506 |
96 |
199 |
131 |
44 |
17 |
12 |
| VODI |
1784 |
1056 |
188 |
365 |
387 |
140 |
84 |
10 |
| ODI |
1922 |
532 |
136 |
335 |
576 |
406 |
223 |
9 |
| CDI |
0 |
490 |
129 |
299 |
519 |
1078 |
777 |
81 |
| VCDI |
0 |
466 |
117 |
264 |
640 |
2370 |
7099 |
3369 |
|
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