Validation of sea ice concentration - European sector
Bulletin date: 2025-01-30
Data source: OSI SAF N.H. multi-product 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 |
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 |
|
...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 |
61039 |
15015 |
327 |
292 |
62 |
6 |
0 |
0 |
| OW |
3 |
1018 |
217 |
545 |
122 |
26 |
0 |
0 |
| VODI |
0 |
475 |
201 |
635 |
434 |
37 |
0 |
0 |
| ODI |
0 |
103 |
39 |
444 |
548 |
180 |
3 |
0 |
| CDI |
0 |
34 |
13 |
238 |
640 |
1220 |
494 |
0 |
| VCDI |
0 |
4 |
5 |
51 |
270 |
1605 |
7958 |
6113 |
|
...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 |
62379 |
14403 |
271 |
236 |
26 |
22 |
0 |
0 |
| OW |
2 |
1287 |
317 |
637 |
75 |
16 |
0 |
0 |
| VODI |
0 |
298 |
171 |
920 |
292 |
42 |
0 |
0 |
| ODI |
0 |
29 |
30 |
350 |
527 |
84 |
2 |
0 |
| CDI |
0 |
4 |
2 |
132 |
700 |
827 |
219 |
0 |
| VCDI |
0 |
5 |
0 |
44 |
391 |
1743 |
7754 |
6179 |
|
...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 |
63482 |
13514 |
264 |
227 |
33 |
1 |
0 |
0 |
| OW |
12 |
1347 |
279 |
413 |
112 |
3 |
0 |
0 |
| VODI |
0 |
515 |
239 |
814 |
249 |
18 |
0 |
0 |
| ODI |
0 |
60 |
73 |
449 |
397 |
54 |
1 |
0 |
| CDI |
0 |
5 |
19 |
256 |
811 |
644 |
93 |
0 |
| VCDI |
0 |
5 |
5 |
97 |
565 |
2314 |
8470 |
4576 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63479 |
13515 |
272 |
216 |
53 |
1 |
0 |
0 |
| OW |
15 |
1308 |
277 |
414 |
103 |
3 |
0 |
0 |
| VODI |
0 |
545 |
228 |
834 |
229 |
16 |
0 |
0 |
| ODI |
0 |
67 |
75 |
453 |
416 |
54 |
1 |
0 |
| CDI |
0 |
5 |
21 |
241 |
802 |
664 |
118 |
0 |
| VCDI |
0 |
6 |
6 |
98 |
564 |
2296 |
8445 |
4576 |
|
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 |
62931 |
13849 |
199 |
184 |
47 |
0 |
0 |
0 |
| OW |
3 |
1330 |
278 |
501 |
112 |
7 |
0 |
0 |
| VODI |
0 |
533 |
239 |
867 |
272 |
31 |
0 |
0 |
| ODI |
0 |
119 |
70 |
467 |
526 |
47 |
1 |
0 |
| CDI |
0 |
13 |
72 |
404 |
890 |
554 |
166 |
0 |
| VCDI |
0 |
4 |
2 |
141 |
621 |
3275 |
7101 |
4560 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62931 |
13838 |
189 |
182 |
64 |
0 |
0 |
0 |
| OW |
3 |
1293 |
285 |
488 |
90 |
10 |
0 |
0 |
| VODI |
0 |
579 |
232 |
874 |
270 |
33 |
0 |
0 |
| ODI |
0 |
120 |
77 |
468 |
524 |
34 |
1 |
0 |
| CDI |
0 |
14 |
75 |
407 |
876 |
585 |
184 |
0 |
| VCDI |
0 |
4 |
2 |
145 |
644 |
3252 |
7083 |
4560 |
|
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 |
63847 |
12884 |
176 |
139 |
11 |
19 |
0 |
0 |
| OW |
29 |
1724 |
371 |
641 |
90 |
10 |
0 |
0 |
| VODI |
0 |
234 |
163 |
1112 |
424 |
28 |
0 |
0 |
| ODI |
0 |
51 |
47 |
407 |
848 |
132 |
3 |
0 |
| CDI |
0 |
17 |
39 |
250 |
1200 |
1404 |
110 |
0 |
| VCDI |
0 |
4 |
1 |
96 |
608 |
2962 |
6291 |
4044 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63865 |
12417 |
177 |
154 |
17 |
19 |
0 |
0 |
| OW |
10 |
1312 |
237 |
587 |
71 |
23 |
0 |
0 |
| VODI |
1 |
673 |
165 |
775 |
346 |
51 |
2 |
0 |
| ODI |
0 |
276 |
69 |
461 |
670 |
110 |
10 |
0 |
| CDI |
0 |
188 |
95 |
381 |
1009 |
822 |
181 |
0 |
| VCDI |
0 |
48 |
54 |
287 |
1068 |
3530 |
6211 |
4044 |
|
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 |
62096 |
14136 |
296 |
427 |
28 |
0 |
21 |
0 |
| OW |
0 |
1359 |
319 |
574 |
78 |
0 |
8 |
0 |
| VODI |
0 |
430 |
183 |
881 |
672 |
36 |
8 |
0 |
| ODI |
0 |
86 |
76 |
335 |
861 |
241 |
11 |
0 |
| CDI |
0 |
88 |
52 |
323 |
942 |
1353 |
519 |
0 |
| VCDI |
0 |
80 |
59 |
286 |
817 |
2619 |
6459 |
3657 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62096 |
13396 |
271 |
409 |
38 |
0 |
14 |
0 |
| OW |
0 |
1252 |
211 |
409 |
142 |
6 |
20 |
0 |
| VODI |
0 |
793 |
183 |
771 |
529 |
38 |
14 |
0 |
| ODI |
0 |
323 |
121 |
409 |
770 |
212 |
25 |
0 |
| CDI |
0 |
232 |
95 |
392 |
876 |
1174 |
453 |
0 |
| VCDI |
0 |
183 |
104 |
436 |
1043 |
2819 |
6500 |
3657 |
|
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 |
62285 |
13103 |
238 |
578 |
179 |
0 |
0 |
7 |
| OW |
33 |
1317 |
237 |
485 |
178 |
4 |
0 |
14 |
| VODI |
15 |
637 |
180 |
810 |
593 |
85 |
0 |
15 |
| ODI |
0 |
184 |
45 |
399 |
844 |
501 |
48 |
7 |
| CDI |
0 |
135 |
72 |
340 |
793 |
1253 |
403 |
80 |
| VCDI |
0 |
169 |
73 |
305 |
636 |
2786 |
5664 |
4686 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62290 |
12381 |
225 |
673 |
160 |
1 |
0 |
6 |
| OW |
30 |
1255 |
131 |
304 |
219 |
24 |
0 |
18 |
| VODI |
13 |
880 |
207 |
564 |
505 |
147 |
11 |
14 |
| ODI |
0 |
364 |
102 |
583 |
761 |
401 |
82 |
9 |
| CDI |
0 |
370 |
82 |
430 |
735 |
1283 |
504 |
93 |
| VCDI |
0 |
295 |
98 |
363 |
843 |
2773 |
5518 |
4669 |
|
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