Validation of sea ice concentration - European sector
Bulletin date: 2025-02-06
Data source: OSI SAF N.H. AMSR 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 |
61855 |
13831 |
156 |
75 |
24 |
10 |
1 |
0 |
| OW |
665 |
1603 |
249 |
188 |
54 |
15 |
1 |
0 |
| VODI |
1780 |
763 |
238 |
526 |
217 |
73 |
0 |
0 |
| ODI |
1927 |
200 |
80 |
284 |
382 |
124 |
26 |
0 |
| CDI |
0 |
103 |
86 |
261 |
481 |
576 |
389 |
0 |
| VCDI |
0 |
15 |
29 |
178 |
460 |
1789 |
9312 |
3836 |
|
...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 |
62078 |
13297 |
56 |
74 |
46 |
7 |
0 |
0 |
| OW |
663 |
1655 |
166 |
222 |
74 |
25 |
0 |
0 |
| VODI |
1785 |
906 |
220 |
507 |
262 |
46 |
24 |
0 |
| ODI |
1921 |
316 |
90 |
314 |
423 |
151 |
48 |
0 |
| CDI |
0 |
229 |
110 |
325 |
608 |
767 |
357 |
0 |
| VCDI |
0 |
83 |
63 |
230 |
694 |
3218 |
9606 |
1196 |
|
...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 |
61379 |
13904 |
162 |
160 |
17 |
7 |
0 |
0 |
| OW |
664 |
1990 |
240 |
282 |
67 |
6 |
5 |
0 |
| VODI |
1808 |
616 |
186 |
623 |
471 |
87 |
25 |
0 |
| ODI |
1885 |
193 |
81 |
246 |
579 |
235 |
109 |
0 |
| CDI |
0 |
193 |
65 |
264 |
836 |
1034 |
574 |
0 |
| VCDI |
0 |
101 |
64 |
199 |
571 |
1993 |
8478 |
2463 |
|
...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 |
61032 |
13920 |
189 |
251 |
66 |
3 |
10 |
0 |
| OW |
655 |
1568 |
202 |
309 |
99 |
20 |
6 |
0 |
| VODI |
1797 |
650 |
195 |
649 |
547 |
107 |
37 |
0 |
| ODI |
1901 |
217 |
103 |
243 |
679 |
276 |
179 |
0 |
| CDI |
0 |
229 |
84 |
305 |
631 |
942 |
862 |
0 |
| VCDI |
0 |
331 |
98 |
211 |
517 |
2257 |
7927 |
2558 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61032 |
13869 |
184 |
254 |
69 |
3 |
12 |
0 |
| OW |
654 |
1575 |
200 |
303 |
98 |
19 |
3 |
0 |
| VODI |
1798 |
697 |
202 |
623 |
518 |
97 |
31 |
0 |
| ODI |
1901 |
228 |
102 |
276 |
680 |
279 |
190 |
0 |
| CDI |
0 |
227 |
85 |
316 |
693 |
986 |
942 |
0 |
| VCDI |
0 |
319 |
98 |
196 |
481 |
2221 |
7843 |
2558 |
|
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 |
61331 |
12699 |
162 |
252 |
136 |
18 |
2 |
0 |
| OW |
645 |
1693 |
192 |
216 |
132 |
40 |
9 |
0 |
| VODI |
1791 |
925 |
282 |
550 |
400 |
121 |
40 |
0 |
| ODI |
1910 |
253 |
113 |
353 |
576 |
364 |
188 |
0 |
| CDI |
0 |
182 |
98 |
244 |
532 |
1205 |
916 |
27 |
| VCDI |
0 |
198 |
60 |
201 |
529 |
2448 |
7424 |
3405 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61330 |
12661 |
174 |
254 |
143 |
15 |
5 |
0 |
| OW |
645 |
1675 |
168 |
188 |
115 |
37 |
7 |
0 |
| VODI |
1791 |
984 |
288 |
541 |
393 |
121 |
33 |
0 |
| ODI |
1911 |
256 |
120 |
381 |
583 |
350 |
185 |
0 |
| CDI |
0 |
184 |
107 |
256 |
574 |
1209 |
976 |
24 |
| VCDI |
0 |
190 |
50 |
196 |
497 |
2464 |
7373 |
3408 |
|
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 |
61013 |
13108 |
149 |
179 |
56 |
3 |
0 |
0 |
| OW |
633 |
1848 |
283 |
321 |
127 |
24 |
3 |
0 |
| VODI |
1796 |
428 |
314 |
824 |
400 |
88 |
10 |
0 |
| ODI |
1903 |
78 |
51 |
319 |
711 |
396 |
65 |
0 |
| CDI |
0 |
20 |
25 |
220 |
729 |
1454 |
681 |
0 |
| VCDI |
0 |
0 |
0 |
24 |
277 |
2846 |
8658 |
2798 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61012 |
12895 |
172 |
231 |
70 |
7 |
1 |
0 |
| OW |
627 |
1472 |
176 |
238 |
107 |
17 |
2 |
0 |
| VODI |
1781 |
793 |
290 |
557 |
272 |
130 |
17 |
0 |
| ODI |
1925 |
173 |
96 |
437 |
597 |
341 |
101 |
0 |
| CDI |
0 |
123 |
68 |
286 |
830 |
1166 |
912 |
0 |
| VCDI |
0 |
26 |
20 |
138 |
424 |
3150 |
8384 |
2798 |
|
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 |
60634 |
13422 |
160 |
234 |
29 |
0 |
0 |
0 |
| OW |
632 |
1536 |
244 |
327 |
73 |
18 |
0 |
0 |
| VODI |
1787 |
527 |
237 |
574 |
296 |
101 |
6 |
0 |
| ODI |
1918 |
102 |
65 |
367 |
545 |
316 |
33 |
0 |
| CDI |
0 |
42 |
21 |
170 |
791 |
1563 |
468 |
0 |
| VCDI |
0 |
19 |
19 |
118 |
539 |
3909 |
8624 |
2396 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60634 |
13112 |
170 |
261 |
29 |
4 |
0 |
0 |
| OW |
630 |
1470 |
189 |
251 |
64 |
14 |
0 |
0 |
| VODI |
1779 |
760 |
203 |
482 |
207 |
91 |
8 |
0 |
| ODI |
1928 |
175 |
115 |
443 |
554 |
314 |
39 |
0 |
| CDI |
0 |
101 |
48 |
220 |
986 |
1387 |
561 |
0 |
| VCDI |
0 |
30 |
21 |
133 |
433 |
4097 |
8523 |
2396 |
|
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 |
58695 |
15191 |
145 |
145 |
23 |
2 |
0 |
0 |
| OW |
607 |
1265 |
255 |
369 |
151 |
16 |
0 |
0 |
| VODI |
1770 |
420 |
205 |
521 |
400 |
125 |
0 |
0 |
| ODI |
1938 |
136 |
69 |
254 |
558 |
472 |
36 |
0 |
| CDI |
0 |
79 |
30 |
128 |
631 |
1537 |
735 |
0 |
| VCDI |
0 |
74 |
34 |
114 |
355 |
3103 |
9572 |
2702 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58695 |
14611 |
133 |
154 |
18 |
0 |
0 |
0 |
| OW |
605 |
1422 |
182 |
273 |
103 |
14 |
0 |
0 |
| VODI |
1764 |
670 |
239 |
458 |
371 |
96 |
1 |
0 |
| ODI |
1946 |
227 |
100 |
332 |
519 |
406 |
34 |
0 |
| CDI |
0 |
142 |
47 |
199 |
799 |
1696 |
667 |
0 |
| VCDI |
0 |
93 |
37 |
115 |
308 |
3043 |
9641 |
2702 |
|
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