Validation of sea ice concentration - European sector
Bulletin date: 2025-01-16
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-01-10:
| 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 |
64891 |
12944 |
355 |
451 |
49 |
0 |
0 |
0 |
| OW |
33 |
598 |
194 |
438 |
286 |
21 |
0 |
0 |
| VODI |
8 |
134 |
98 |
427 |
463 |
138 |
0 |
0 |
| ODI |
0 |
22 |
17 |
230 |
461 |
297 |
19 |
0 |
| CDI |
0 |
6 |
15 |
127 |
645 |
1685 |
846 |
2 |
| VCDI |
10 |
0 |
0 |
34 |
260 |
1672 |
7951 |
4589 |
|
...date precedes bulletin
|
Date: 2025-01-12:
| 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 |
67111 |
10479 |
299 |
254 |
3 |
0 |
0 |
0 |
| OW |
112 |
916 |
202 |
547 |
150 |
0 |
0 |
0 |
| VODI |
0 |
179 |
76 |
530 |
514 |
42 |
0 |
0 |
| ODI |
0 |
58 |
29 |
229 |
471 |
239 |
8 |
0 |
| CDI |
0 |
12 |
26 |
200 |
636 |
1287 |
404 |
1 |
| VCDI |
0 |
5 |
5 |
122 |
409 |
2212 |
8476 |
4173 |
|
...date precedes bulletin
|
Date: 2025-01-14:
| 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 |
66800 |
11120 |
262 |
269 |
17 |
8 |
0 |
0 |
| OW |
37 |
866 |
222 |
495 |
172 |
19 |
0 |
0 |
| VODI |
2 |
113 |
70 |
452 |
473 |
67 |
0 |
0 |
| ODI |
0 |
12 |
25 |
206 |
392 |
215 |
0 |
0 |
| CDI |
0 |
4 |
18 |
134 |
532 |
1149 |
644 |
1 |
| VCDI |
0 |
8 |
1 |
48 |
259 |
1514 |
8899 |
4891 |
|
...date precedes bulletin
|
Date: 2025-01-16:
| 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 |
65291 |
12311 |
332 |
314 |
5 |
9 |
0 |
0 |
| OW |
140 |
736 |
181 |
523 |
136 |
38 |
0 |
0 |
| VODI |
24 |
187 |
76 |
403 |
385 |
121 |
2 |
0 |
| ODI |
2 |
46 |
46 |
201 |
391 |
189 |
18 |
0 |
| CDI |
3 |
2 |
35 |
162 |
556 |
904 |
724 |
7 |
| VCDI |
7 |
0 |
2 |
43 |
251 |
1167 |
7782 |
6664 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65363 |
12562 |
369 |
430 |
10 |
12 |
0 |
0 |
| OW |
80 |
546 |
169 |
537 |
204 |
51 |
0 |
0 |
| VODI |
13 |
148 |
72 |
360 |
423 |
154 |
20 |
0 |
| ODI |
1 |
25 |
38 |
177 |
425 |
273 |
59 |
0 |
| CDI |
4 |
1 |
23 |
109 |
480 |
930 |
909 |
4 |
| VCDI |
6 |
0 |
1 |
33 |
182 |
1008 |
7538 |
6667 |
|
Date: 2025-01-18:
| 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 |
63582 |
13628 |
338 |
382 |
25 |
0 |
0 |
0 |
| OW |
203 |
678 |
154 |
528 |
169 |
6 |
0 |
0 |
| VODI |
21 |
278 |
88 |
417 |
322 |
93 |
0 |
0 |
| ODI |
1 |
55 |
30 |
275 |
333 |
175 |
0 |
0 |
| CDI |
4 |
1 |
1 |
282 |
649 |
838 |
499 |
8 |
| VCDI |
7 |
0 |
0 |
22 |
285 |
1226 |
9555 |
5258 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63686 |
13917 |
407 |
561 |
44 |
0 |
0 |
0 |
| OW |
109 |
486 |
119 |
524 |
245 |
28 |
0 |
0 |
| VODI |
12 |
200 |
57 |
388 |
380 |
137 |
9 |
0 |
| ODI |
1 |
37 |
28 |
223 |
366 |
209 |
54 |
0 |
| CDI |
3 |
0 |
0 |
197 |
517 |
842 |
659 |
6 |
| VCDI |
7 |
0 |
0 |
13 |
231 |
1122 |
9332 |
5260 |
|
Date: 2025-01-20:
| 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 |
64787 |
12828 |
291 |
297 |
15 |
0 |
0 |
0 |
| OW |
123 |
673 |
257 |
519 |
116 |
1 |
0 |
0 |
| VODI |
7 |
112 |
90 |
600 |
369 |
29 |
0 |
0 |
| ODI |
0 |
13 |
19 |
216 |
565 |
121 |
1 |
0 |
| CDI |
0 |
0 |
5 |
136 |
551 |
1058 |
234 |
0 |
| VCDI |
10 |
0 |
0 |
5 |
178 |
1129 |
9454 |
5607 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64740 |
12655 |
331 |
475 |
22 |
0 |
0 |
0 |
| OW |
167 |
539 |
119 |
452 |
211 |
4 |
0 |
0 |
| VODI |
10 |
329 |
78 |
290 |
371 |
60 |
0 |
0 |
| ODI |
0 |
87 |
101 |
199 |
348 |
187 |
1 |
0 |
| CDI |
3 |
16 |
28 |
282 |
515 |
1051 |
424 |
3 |
| VCDI |
7 |
0 |
5 |
75 |
327 |
1036 |
9264 |
5604 |
|
Date: 2025-01-22:
| 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 |
63752 |
13266 |
388 |
358 |
20 |
0 |
0 |
0 |
| OW |
109 |
566 |
164 |
626 |
95 |
0 |
0 |
0 |
| VODI |
11 |
255 |
84 |
521 |
408 |
8 |
0 |
0 |
| ODI |
0 |
95 |
44 |
258 |
593 |
181 |
2 |
0 |
| CDI |
0 |
15 |
27 |
163 |
613 |
1489 |
446 |
1 |
| VCDI |
0 |
4 |
2 |
45 |
192 |
1325 |
8782 |
5508 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63716 |
12771 |
362 |
399 |
25 |
0 |
0 |
0 |
| OW |
119 |
708 |
132 |
511 |
131 |
0 |
0 |
0 |
| VODI |
37 |
418 |
72 |
407 |
333 |
35 |
1 |
0 |
| ODI |
0 |
220 |
75 |
249 |
459 |
212 |
8 |
0 |
| CDI |
0 |
80 |
58 |
296 |
650 |
1343 |
639 |
0 |
| VCDI |
0 |
4 |
10 |
109 |
323 |
1413 |
8582 |
5509 |
|
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 |
62704 |
13675 |
315 |
254 |
43 |
0 |
0 |
0 |
| OW |
51 |
818 |
199 |
674 |
110 |
9 |
0 |
0 |
| VODI |
12 |
391 |
127 |
633 |
401 |
28 |
0 |
0 |
| ODI |
2 |
113 |
66 |
312 |
557 |
194 |
10 |
0 |
| CDI |
0 |
27 |
13 |
203 |
551 |
1145 |
1021 |
0 |
| VCDI |
0 |
11 |
9 |
68 |
277 |
997 |
7425 |
6971 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62672 |
12929 |
206 |
267 |
79 |
3 |
0 |
0 |
| OW |
42 |
953 |
217 |
391 |
118 |
10 |
0 |
0 |
| VODI |
51 |
700 |
103 |
657 |
263 |
28 |
1 |
0 |
| ODI |
4 |
307 |
88 |
330 |
428 |
219 |
9 |
0 |
| CDI |
0 |
145 |
107 |
372 |
633 |
934 |
951 |
0 |
| VCDI |
0 |
1 |
8 |
127 |
418 |
1179 |
7495 |
6971 |
|
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