Validation of sea ice concentration - European sector
Bulletin date: 2022-12-15
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-12-09:
| 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 |
81584 |
10563 |
89 |
478 |
392 |
245 |
8 |
0 |
| OW |
52 |
440 |
27 |
200 |
171 |
17 |
5 |
0 |
| VODI |
0 |
255 |
32 |
198 |
266 |
70 |
8 |
0 |
| ODI |
0 |
91 |
16 |
164 |
267 |
104 |
0 |
0 |
| CDI |
0 |
48 |
3 |
100 |
298 |
350 |
19 |
0 |
| VCDI |
0 |
56 |
8 |
150 |
420 |
3902 |
5401 |
2603 |
|
...date precedes bulletin
|
Date: 2022-12-11:
| 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 |
80727 |
10867 |
90 |
473 |
428 |
341 |
25 |
0 |
| OW |
54 |
480 |
29 |
246 |
127 |
23 |
5 |
0 |
| VODI |
0 |
223 |
42 |
250 |
305 |
60 |
13 |
0 |
| ODI |
0 |
67 |
19 |
198 |
280 |
108 |
0 |
0 |
| CDI |
0 |
40 |
7 |
115 |
299 |
313 |
26 |
0 |
| VCDI |
0 |
5 |
5 |
96 |
510 |
4409 |
5621 |
2174 |
|
...date precedes bulletin
|
Date: 2022-12-13:
| 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 |
80704 |
10873 |
113 |
486 |
343 |
177 |
6 |
0 |
| OW |
63 |
211 |
53 |
357 |
130 |
29 |
19 |
0 |
| VODI |
0 |
74 |
18 |
349 |
374 |
61 |
10 |
0 |
| ODI |
0 |
20 |
3 |
106 |
469 |
90 |
5 |
0 |
| CDI |
0 |
6 |
4 |
69 |
396 |
416 |
24 |
0 |
| VCDI |
0 |
0 |
0 |
45 |
352 |
3873 |
4630 |
4142 |
|
...date precedes bulletin
|
Date: 2022-12-15:
| 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 |
79718 |
11171 |
102 |
447 |
287 |
246 |
7 |
0 |
| OW |
60 |
331 |
52 |
326 |
152 |
37 |
25 |
0 |
| VODI |
0 |
93 |
20 |
298 |
342 |
43 |
25 |
0 |
| ODI |
0 |
29 |
3 |
108 |
469 |
57 |
5 |
0 |
| CDI |
0 |
18 |
5 |
64 |
497 |
538 |
67 |
0 |
| VCDI |
0 |
4 |
0 |
85 |
396 |
4265 |
4333 |
4375 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
79718 |
11229 |
116 |
485 |
303 |
247 |
13 |
0 |
| OW |
60 |
274 |
41 |
317 |
149 |
36 |
28 |
0 |
| VODI |
0 |
85 |
17 |
278 |
372 |
42 |
18 |
0 |
| ODI |
0 |
34 |
3 |
105 |
442 |
68 |
8 |
0 |
| CDI |
0 |
21 |
5 |
54 |
465 |
596 |
89 |
0 |
| VCDI |
0 |
3 |
0 |
89 |
412 |
4197 |
4306 |
4375 |
|
Date: 2022-12-17:
| 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 |
79509 |
10922 |
117 |
515 |
273 |
211 |
0 |
0 |
| OW |
61 |
318 |
37 |
275 |
176 |
45 |
3 |
0 |
| VODI |
0 |
133 |
26 |
273 |
378 |
44 |
17 |
0 |
| ODI |
0 |
28 |
9 |
132 |
403 |
57 |
10 |
0 |
| CDI |
0 |
7 |
3 |
93 |
450 |
450 |
96 |
0 |
| VCDI |
0 |
0 |
0 |
57 |
614 |
5209 |
4404 |
3745 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
79509 |
10953 |
124 |
547 |
279 |
211 |
0 |
0 |
| OW |
61 |
309 |
31 |
264 |
179 |
37 |
11 |
0 |
| VODI |
0 |
107 |
23 |
256 |
408 |
61 |
13 |
0 |
| ODI |
0 |
29 |
9 |
120 |
396 |
78 |
6 |
0 |
| CDI |
0 |
10 |
5 |
87 |
394 |
543 |
126 |
0 |
| VCDI |
0 |
0 |
0 |
71 |
638 |
5086 |
4374 |
3745 |
|
Date: 2022-12-19:
| 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 |
78526 |
11665 |
102 |
459 |
222 |
204 |
0 |
0 |
| OW |
61 |
354 |
58 |
301 |
163 |
38 |
0 |
0 |
| VODI |
0 |
106 |
25 |
353 |
362 |
31 |
0 |
0 |
| ODI |
0 |
23 |
8 |
137 |
470 |
137 |
3 |
0 |
| CDI |
0 |
4 |
9 |
69 |
421 |
737 |
34 |
0 |
| VCDI |
0 |
0 |
0 |
40 |
461 |
4588 |
4770 |
4159 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78526 |
11567 |
123 |
592 |
334 |
253 |
0 |
0 |
| OW |
61 |
363 |
22 |
211 |
203 |
33 |
1 |
0 |
| VODI |
0 |
169 |
19 |
200 |
335 |
124 |
9 |
0 |
| ODI |
0 |
35 |
25 |
140 |
302 |
185 |
7 |
0 |
| CDI |
0 |
17 |
10 |
102 |
328 |
752 |
47 |
0 |
| VCDI |
0 |
1 |
3 |
114 |
597 |
4388 |
4743 |
4159 |
|
Date: 2022-12-21:
| 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 |
78255 |
11795 |
121 |
473 |
220 |
265 |
0 |
0 |
| OW |
62 |
349 |
40 |
320 |
129 |
37 |
1 |
0 |
| VODI |
0 |
142 |
26 |
342 |
308 |
27 |
3 |
0 |
| ODI |
0 |
21 |
8 |
173 |
388 |
36 |
8 |
0 |
| CDI |
0 |
4 |
3 |
73 |
529 |
250 |
16 |
0 |
| VCDI |
0 |
0 |
0 |
38 |
863 |
4210 |
4964 |
4601 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78255 |
11579 |
128 |
528 |
299 |
316 |
4 |
0 |
| OW |
62 |
437 |
20 |
249 |
113 |
19 |
9 |
0 |
| VODI |
0 |
234 |
31 |
214 |
276 |
60 |
12 |
0 |
| ODI |
0 |
47 |
14 |
196 |
288 |
64 |
15 |
0 |
| CDI |
0 |
12 |
3 |
144 |
434 |
335 |
16 |
0 |
| VCDI |
0 |
2 |
2 |
88 |
1027 |
4031 |
4936 |
4601 |
|
Date: 2022-12-23:
| 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 |
79390 |
10244 |
88 |
405 |
227 |
302 |
0 |
0 |
| OW |
63 |
425 |
62 |
307 |
112 |
48 |
1 |
0 |
| VODI |
0 |
163 |
26 |
312 |
277 |
28 |
5 |
0 |
| ODI |
0 |
42 |
6 |
154 |
368 |
51 |
7 |
0 |
| CDI |
0 |
31 |
3 |
51 |
452 |
150 |
11 |
0 |
| VCDI |
0 |
15 |
8 |
79 |
761 |
4428 |
5317 |
4681 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
79390 |
10059 |
89 |
401 |
278 |
361 |
5 |
0 |
| OW |
63 |
525 |
55 |
278 |
92 |
20 |
8 |
0 |
| VODI |
0 |
236 |
25 |
268 |
265 |
47 |
10 |
0 |
| ODI |
0 |
56 |
11 |
160 |
295 |
47 |
3 |
0 |
| CDI |
0 |
34 |
7 |
92 |
410 |
182 |
3 |
0 |
| VCDI |
0 |
10 |
6 |
109 |
857 |
4350 |
5312 |
4681 |
|
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