Validation of sea ice concentration - European sector
Bulletin date: 2021-12-30
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-12-24:
| 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 |
75416 |
13512 |
126 |
515 |
275 |
162 |
101 |
0 |
| OW |
74 |
459 |
80 |
285 |
140 |
22 |
38 |
0 |
| VODI |
0 |
150 |
49 |
401 |
301 |
59 |
11 |
0 |
| ODI |
0 |
15 |
4 |
231 |
380 |
124 |
0 |
0 |
| CDI |
0 |
0 |
0 |
94 |
538 |
390 |
57 |
0 |
| VCDI |
0 |
0 |
0 |
29 |
753 |
3267 |
7647 |
3395 |
|
...date precedes bulletin
|
Date: 2021-12-26:
| 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 |
75778 |
13123 |
105 |
409 |
282 |
272 |
43 |
0 |
| OW |
72 |
579 |
35 |
228 |
107 |
13 |
22 |
0 |
| VODI |
0 |
295 |
47 |
274 |
239 |
66 |
31 |
0 |
| ODI |
0 |
60 |
29 |
262 |
236 |
89 |
13 |
0 |
| CDI |
0 |
13 |
9 |
173 |
417 |
289 |
13 |
0 |
| VCDI |
0 |
1 |
2 |
114 |
777 |
2814 |
7780 |
3989 |
|
...date precedes bulletin
|
Date: 2021-12-28:
| 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 |
74727 |
13799 |
150 |
502 |
295 |
330 |
57 |
0 |
| OW |
72 |
352 |
66 |
351 |
72 |
16 |
10 |
0 |
| VODI |
0 |
113 |
29 |
417 |
240 |
25 |
15 |
0 |
| ODI |
0 |
15 |
5 |
184 |
392 |
61 |
18 |
0 |
| CDI |
0 |
3 |
3 |
85 |
511 |
284 |
66 |
0 |
| VCDI |
0 |
2 |
4 |
63 |
529 |
1956 |
8549 |
4732 |
|
...date precedes bulletin
|
Date: 2021-12-30:
| 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 |
73980 |
13938 |
159 |
529 |
357 |
417 |
15 |
0 |
| OW |
72 |
418 |
60 |
332 |
101 |
16 |
18 |
0 |
| VODI |
0 |
186 |
28 |
341 |
267 |
33 |
23 |
0 |
| ODI |
0 |
33 |
14 |
171 |
377 |
75 |
27 |
0 |
| CDI |
0 |
10 |
5 |
132 |
455 |
310 |
75 |
0 |
| VCDI |
0 |
0 |
0 |
42 |
601 |
1951 |
8641 |
4891 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73980 |
13946 |
162 |
557 |
351 |
414 |
14 |
0 |
| OW |
72 |
413 |
56 |
290 |
108 |
19 |
20 |
0 |
| VODI |
0 |
194 |
33 |
351 |
268 |
34 |
23 |
0 |
| ODI |
0 |
23 |
11 |
182 |
365 |
64 |
26 |
0 |
| CDI |
0 |
9 |
4 |
124 |
437 |
264 |
47 |
0 |
| VCDI |
0 |
0 |
0 |
43 |
629 |
2007 |
8669 |
4891 |
|
Date: 2022-01-01:
| 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 |
73862 |
13656 |
160 |
516 |
332 |
355 |
44 |
0 |
| OW |
75 |
485 |
46 |
314 |
88 |
21 |
19 |
0 |
| VODI |
0 |
264 |
22 |
316 |
291 |
36 |
16 |
0 |
| ODI |
0 |
102 |
25 |
180 |
385 |
61 |
17 |
0 |
| CDI |
0 |
22 |
3 |
139 |
524 |
312 |
46 |
0 |
| VCDI |
0 |
3 |
2 |
40 |
624 |
2149 |
8623 |
4925 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73864 |
13642 |
158 |
553 |
325 |
351 |
50 |
0 |
| OW |
73 |
480 |
46 |
287 |
105 |
23 |
13 |
0 |
| VODI |
0 |
277 |
26 |
314 |
282 |
38 |
17 |
0 |
| ODI |
0 |
105 |
21 |
175 |
380 |
61 |
18 |
0 |
| CDI |
0 |
26 |
6 |
135 |
504 |
303 |
47 |
0 |
| VCDI |
0 |
2 |
1 |
41 |
648 |
2158 |
8620 |
4925 |
|
Date: 2022-01-03:
| 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 |
73382 |
14388 |
159 |
559 |
262 |
373 |
78 |
0 |
| OW |
91 |
422 |
67 |
340 |
101 |
62 |
19 |
0 |
| VODI |
0 |
209 |
38 |
418 |
227 |
12 |
18 |
0 |
| ODI |
0 |
89 |
9 |
210 |
361 |
32 |
17 |
0 |
| CDI |
0 |
19 |
4 |
171 |
560 |
190 |
24 |
0 |
| VCDI |
0 |
0 |
0 |
59 |
850 |
2042 |
8165 |
5073 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73400 |
13897 |
154 |
516 |
317 |
407 |
106 |
0 |
| OW |
73 |
535 |
46 |
261 |
75 |
36 |
16 |
0 |
| VODI |
0 |
339 |
36 |
347 |
159 |
19 |
24 |
0 |
| ODI |
0 |
173 |
19 |
240 |
249 |
31 |
22 |
0 |
| CDI |
0 |
144 |
17 |
179 |
450 |
152 |
36 |
0 |
| VCDI |
0 |
39 |
5 |
214 |
1111 |
2066 |
8117 |
5073 |
|
Date: 2022-01-05:
| 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 |
73496 |
13356 |
160 |
738 |
328 |
278 |
115 |
0 |
| OW |
133 |
444 |
43 |
281 |
186 |
34 |
32 |
0 |
| VODI |
39 |
265 |
25 |
251 |
346 |
22 |
30 |
0 |
| ODI |
2 |
159 |
12 |
188 |
341 |
59 |
26 |
0 |
| CDI |
0 |
84 |
3 |
156 |
439 |
267 |
55 |
0 |
| VCDI |
0 |
14 |
1 |
86 |
750 |
2207 |
7648 |
6001 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73573 |
13027 |
150 |
699 |
360 |
305 |
152 |
0 |
| OW |
96 |
509 |
43 |
254 |
181 |
15 |
32 |
0 |
| VODI |
1 |
391 |
24 |
229 |
300 |
28 |
38 |
0 |
| ODI |
0 |
203 |
12 |
148 |
305 |
57 |
40 |
0 |
| CDI |
0 |
151 |
9 |
166 |
354 |
202 |
50 |
0 |
| VCDI |
0 |
41 |
6 |
204 |
890 |
2260 |
7594 |
6001 |
|
Date: 2022-01-07:
| 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 |
72507 |
14056 |
163 |
706 |
337 |
101 |
101 |
0 |
| OW |
77 |
506 |
48 |
297 |
196 |
23 |
26 |
0 |
| VODI |
1 |
387 |
25 |
252 |
331 |
51 |
23 |
0 |
| ODI |
0 |
179 |
24 |
194 |
324 |
84 |
47 |
0 |
| CDI |
0 |
131 |
13 |
205 |
419 |
331 |
91 |
0 |
| VCDI |
0 |
6 |
0 |
116 |
684 |
2045 |
10057 |
3936 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72508 |
13890 |
154 |
682 |
401 |
134 |
161 |
0 |
| OW |
77 |
588 |
51 |
297 |
181 |
50 |
32 |
0 |
| VODI |
0 |
355 |
28 |
254 |
279 |
80 |
43 |
0 |
| ODI |
0 |
210 |
16 |
171 |
311 |
88 |
58 |
0 |
| CDI |
0 |
191 |
16 |
150 |
442 |
255 |
101 |
0 |
| VCDI |
0 |
31 |
8 |
216 |
677 |
2028 |
9950 |
3936 |
|
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