Validation of sea ice concentration - European sector
Bulletin date: 2024-12-26
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-12-20:
| 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 |
69180 |
10663 |
256 |
205 |
3 |
4 |
0 |
0 |
| OW |
7 |
418 |
228 |
772 |
110 |
18 |
0 |
0 |
| VODI |
4 |
84 |
49 |
658 |
516 |
91 |
0 |
0 |
| ODI |
1 |
27 |
26 |
218 |
634 |
293 |
8 |
0 |
| CDI |
4 |
2 |
2 |
145 |
673 |
1908 |
1056 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
63 |
599 |
6198 |
5293 |
|
...date precedes bulletin
|
Date: 2024-12-22:
| 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 |
69378 |
9991 |
171 |
139 |
1 |
0 |
0 |
0 |
| OW |
15 |
609 |
280 |
606 |
134 |
18 |
0 |
0 |
| VODI |
7 |
169 |
103 |
696 |
406 |
134 |
18 |
0 |
| ODI |
0 |
55 |
32 |
208 |
608 |
335 |
67 |
0 |
| CDI |
5 |
17 |
23 |
149 |
623 |
1269 |
1050 |
0 |
| VCDI |
0 |
3 |
14 |
56 |
155 |
1004 |
5517 |
6351 |
|
...date precedes bulletin
|
Date: 2024-12-24:
| 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 |
69991 |
9549 |
146 |
91 |
5 |
0 |
0 |
0 |
| OW |
46 |
684 |
313 |
491 |
67 |
0 |
0 |
0 |
| VODI |
8 |
138 |
83 |
736 |
456 |
31 |
3 |
0 |
| ODI |
4 |
25 |
32 |
155 |
583 |
200 |
8 |
0 |
| CDI |
2 |
8 |
34 |
163 |
476 |
1156 |
401 |
0 |
| VCDI |
0 |
0 |
2 |
127 |
368 |
1550 |
8979 |
3305 |
|
...date precedes bulletin
|
Date: 2024-12-26:
| 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 |
70215 |
9272 |
87 |
120 |
16 |
0 |
0 |
0 |
| OW |
130 |
1027 |
176 |
220 |
111 |
1 |
0 |
0 |
| VODI |
15 |
296 |
180 |
594 |
297 |
92 |
4 |
0 |
| ODI |
3 |
95 |
49 |
314 |
347 |
181 |
27 |
0 |
| CDI |
1 |
52 |
51 |
391 |
551 |
827 |
413 |
0 |
| VCDI |
0 |
23 |
27 |
177 |
609 |
1691 |
7400 |
4334 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70284 |
9732 |
145 |
164 |
34 |
0 |
0 |
0 |
| OW |
68 |
746 |
203 |
354 |
143 |
6 |
0 |
0 |
| VODI |
11 |
217 |
117 |
586 |
371 |
121 |
5 |
0 |
| ODI |
1 |
52 |
46 |
267 |
381 |
284 |
49 |
0 |
| CDI |
0 |
17 |
55 |
331 |
580 |
819 |
585 |
0 |
| VCDI |
0 |
1 |
4 |
114 |
422 |
1562 |
7205 |
4334 |
|
Date: 2024-12-28:
| 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 |
69886 |
9356 |
108 |
71 |
24 |
5 |
0 |
0 |
| OW |
146 |
916 |
188 |
274 |
104 |
34 |
0 |
0 |
| VODI |
9 |
292 |
173 |
619 |
243 |
82 |
6 |
0 |
| ODI |
3 |
70 |
83 |
274 |
390 |
188 |
35 |
0 |
| CDI |
2 |
32 |
50 |
357 |
785 |
507 |
589 |
4 |
| VCDI |
0 |
18 |
6 |
81 |
472 |
1726 |
7830 |
4378 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69999 |
9838 |
170 |
144 |
53 |
20 |
0 |
0 |
| OW |
36 |
586 |
224 |
428 |
158 |
45 |
2 |
0 |
| VODI |
8 |
183 |
127 |
581 |
301 |
141 |
17 |
0 |
| ODI |
3 |
38 |
54 |
213 |
473 |
245 |
76 |
0 |
| CDI |
0 |
26 |
32 |
263 |
739 |
518 |
747 |
11 |
| VCDI |
0 |
13 |
1 |
47 |
294 |
1573 |
7618 |
4371 |
|
Date: 2024-12-30:
| 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 |
68644 |
10749 |
115 |
168 |
1 |
0 |
0 |
0 |
| OW |
37 |
593 |
330 |
448 |
86 |
11 |
0 |
0 |
| VODI |
8 |
68 |
92 |
783 |
390 |
33 |
0 |
0 |
| ODI |
4 |
16 |
16 |
243 |
543 |
133 |
0 |
0 |
| CDI |
0 |
12 |
6 |
127 |
656 |
1298 |
234 |
1 |
| VCDI |
0 |
0 |
0 |
27 |
156 |
1278 |
7539 |
5571 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68667 |
10650 |
182 |
270 |
31 |
23 |
0 |
0 |
| OW |
15 |
502 |
201 |
445 |
201 |
48 |
1 |
0 |
| VODI |
10 |
201 |
101 |
566 |
371 |
120 |
11 |
0 |
| ODI |
1 |
51 |
40 |
196 |
449 |
280 |
57 |
0 |
| CDI |
0 |
27 |
34 |
254 |
550 |
992 |
835 |
6 |
| VCDI |
0 |
7 |
1 |
65 |
230 |
1290 |
6869 |
5566 |
|
Date: 2025-01-01:
| 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 |
67761 |
11135 |
170 |
172 |
11 |
0 |
0 |
0 |
| OW |
38 |
608 |
235 |
434 |
109 |
9 |
0 |
0 |
| VODI |
1 |
145 |
79 |
520 |
372 |
78 |
4 |
0 |
| ODI |
7 |
28 |
63 |
245 |
547 |
278 |
28 |
0 |
| CDI |
2 |
11 |
14 |
231 |
581 |
1243 |
755 |
0 |
| VCDI |
0 |
10 |
3 |
35 |
252 |
1289 |
7975 |
4938 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67785 |
11020 |
249 |
239 |
31 |
17 |
1 |
0 |
| OW |
14 |
550 |
142 |
409 |
185 |
70 |
17 |
0 |
| VODI |
0 |
243 |
67 |
423 |
323 |
172 |
35 |
0 |
| ODI |
8 |
78 |
54 |
260 |
465 |
272 |
165 |
0 |
| CDI |
2 |
33 |
51 |
238 |
593 |
992 |
983 |
2 |
| VCDI |
0 |
13 |
1 |
68 |
275 |
1374 |
7561 |
4936 |
|
Date: 2025-01-03:
| 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 |
68615 |
10081 |
131 |
118 |
2 |
0 |
0 |
0 |
| OW |
27 |
754 |
256 |
411 |
59 |
3 |
0 |
0 |
| VODI |
0 |
263 |
146 |
525 |
269 |
16 |
0 |
0 |
| ODI |
1 |
78 |
52 |
318 |
624 |
222 |
16 |
0 |
| CDI |
7 |
45 |
40 |
358 |
834 |
1695 |
611 |
0 |
| VCDI |
2 |
15 |
9 |
107 |
361 |
1745 |
6698 |
4902 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68614 |
9824 |
166 |
198 |
62 |
1 |
0 |
0 |
| OW |
27 |
755 |
157 |
324 |
184 |
38 |
0 |
0 |
| VODI |
1 |
417 |
160 |
391 |
229 |
114 |
9 |
0 |
| ODI |
2 |
127 |
79 |
295 |
430 |
294 |
101 |
0 |
| CDI |
8 |
93 |
60 |
419 |
797 |
1107 |
432 |
0 |
| VCDI |
0 |
20 |
12 |
210 |
447 |
2127 |
6783 |
4902 |
|
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