Validation of sea ice concentration - European sector
Bulletin date: 2021-12-09
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-12-03:
| 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 |
80375 |
11147 |
97 |
434 |
410 |
285 |
1 |
0 |
| OW |
60 |
325 |
37 |
256 |
90 |
26 |
0 |
0 |
| VODI |
0 |
153 |
28 |
225 |
230 |
51 |
0 |
0 |
| ODI |
0 |
37 |
16 |
155 |
250 |
70 |
9 |
0 |
| CDI |
0 |
9 |
5 |
124 |
412 |
259 |
37 |
0 |
| VCDI |
0 |
3 |
2 |
33 |
558 |
2436 |
6303 |
4152 |
|
...date precedes bulletin
|
Date: 2021-12-05:
| 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 |
80107 |
11274 |
103 |
408 |
409 |
192 |
0 |
0 |
| OW |
58 |
440 |
39 |
213 |
99 |
17 |
0 |
0 |
| VODI |
1 |
227 |
19 |
217 |
216 |
62 |
0 |
0 |
| ODI |
0 |
60 |
18 |
153 |
291 |
69 |
1 |
0 |
| CDI |
0 |
26 |
15 |
123 |
413 |
236 |
8 |
0 |
| VCDI |
0 |
2 |
4 |
74 |
606 |
2712 |
6285 |
3903 |
|
...date precedes bulletin
|
Date: 2021-12-07:
| 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 |
79966 |
11686 |
111 |
526 |
254 |
206 |
13 |
0 |
| OW |
54 |
257 |
35 |
293 |
130 |
1 |
0 |
0 |
| VODI |
0 |
141 |
27 |
265 |
329 |
32 |
0 |
0 |
| ODI |
0 |
33 |
9 |
130 |
331 |
76 |
0 |
0 |
| CDI |
0 |
17 |
5 |
83 |
417 |
420 |
3 |
0 |
| VCDI |
0 |
3 |
1 |
55 |
572 |
3313 |
5844 |
3462 |
|
...date precedes bulletin
|
Date: 2021-12-09:
| 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 |
79187 |
12027 |
134 |
538 |
315 |
173 |
14 |
0 |
| OW |
52 |
263 |
40 |
263 |
159 |
12 |
0 |
0 |
| VODI |
0 |
89 |
27 |
277 |
298 |
64 |
0 |
0 |
| ODI |
0 |
42 |
7 |
138 |
309 |
150 |
0 |
0 |
| CDI |
0 |
32 |
9 |
88 |
391 |
385 |
14 |
0 |
| VCDI |
0 |
6 |
4 |
58 |
470 |
2850 |
6155 |
4060 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
79187 |
12016 |
136 |
549 |
310 |
174 |
14 |
0 |
| OW |
52 |
261 |
39 |
263 |
163 |
11 |
0 |
0 |
| VODI |
0 |
98 |
26 |
253 |
286 |
55 |
0 |
0 |
| ODI |
0 |
50 |
7 |
141 |
316 |
147 |
0 |
0 |
| CDI |
0 |
26 |
8 |
94 |
389 |
366 |
24 |
0 |
| VCDI |
0 |
8 |
5 |
62 |
478 |
2881 |
6145 |
4060 |
|
Date: 2021-12-11:
| 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 |
78873 |
11863 |
124 |
474 |
324 |
146 |
13 |
0 |
| OW |
58 |
375 |
48 |
339 |
237 |
25 |
0 |
0 |
| VODI |
0 |
83 |
26 |
288 |
300 |
91 |
0 |
0 |
| ODI |
0 |
19 |
1 |
135 |
290 |
184 |
2 |
0 |
| CDI |
0 |
21 |
3 |
114 |
301 |
444 |
99 |
5 |
| VCDI |
0 |
17 |
7 |
97 |
559 |
1672 |
7154 |
4289 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78875 |
11843 |
127 |
505 |
324 |
149 |
13 |
0 |
| OW |
56 |
377 |
43 |
325 |
206 |
23 |
0 |
0 |
| VODI |
0 |
92 |
26 |
260 |
325 |
76 |
0 |
0 |
| ODI |
0 |
26 |
3 |
137 |
291 |
176 |
1 |
0 |
| CDI |
0 |
24 |
3 |
117 |
303 |
450 |
84 |
5 |
| VCDI |
0 |
16 |
7 |
103 |
562 |
1688 |
7170 |
4289 |
|
Date: 2021-12-13:
| 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 |
78834 |
12011 |
125 |
365 |
182 |
88 |
26 |
0 |
| OW |
59 |
348 |
55 |
363 |
78 |
1 |
0 |
0 |
| VODI |
0 |
98 |
31 |
447 |
421 |
14 |
0 |
0 |
| ODI |
0 |
14 |
3 |
86 |
493 |
102 |
3 |
0 |
| CDI |
0 |
4 |
3 |
43 |
390 |
683 |
123 |
0 |
| VCDI |
0 |
0 |
0 |
24 |
413 |
1768 |
6879 |
4523 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78830 |
11966 |
129 |
438 |
212 |
89 |
26 |
0 |
| OW |
63 |
332 |
40 |
286 |
142 |
5 |
0 |
0 |
| VODI |
0 |
124 |
33 |
357 |
375 |
56 |
0 |
0 |
| ODI |
0 |
31 |
7 |
129 |
292 |
123 |
0 |
0 |
| CDI |
0 |
16 |
5 |
60 |
346 |
339 |
11 |
0 |
| VCDI |
0 |
6 |
3 |
58 |
610 |
2044 |
6994 |
4523 |
|
Date: 2021-12-15:
| 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 |
78245 |
12388 |
134 |
422 |
227 |
107 |
17 |
0 |
| OW |
62 |
252 |
45 |
336 |
99 |
19 |
0 |
0 |
| VODI |
0 |
92 |
12 |
366 |
315 |
59 |
0 |
0 |
| ODI |
0 |
31 |
4 |
93 |
499 |
93 |
2 |
0 |
| CDI |
0 |
18 |
4 |
31 |
447 |
450 |
45 |
0 |
| VCDI |
0 |
8 |
4 |
69 |
573 |
2452 |
6456 |
4624 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78242 |
12269 |
131 |
447 |
265 |
111 |
17 |
0 |
| OW |
65 |
291 |
38 |
252 |
123 |
33 |
0 |
0 |
| VODI |
0 |
126 |
21 |
324 |
327 |
125 |
0 |
0 |
| ODI |
0 |
38 |
2 |
165 |
387 |
146 |
0 |
0 |
| CDI |
0 |
33 |
2 |
50 |
415 |
367 |
44 |
0 |
| VCDI |
0 |
32 |
9 |
79 |
643 |
2398 |
6459 |
4624 |
|
Date: 2021-12-17:
| 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 |
78748 |
11841 |
116 |
344 |
224 |
90 |
1 |
0 |
| OW |
67 |
371 |
50 |
234 |
130 |
22 |
0 |
0 |
| VODI |
0 |
124 |
30 |
321 |
248 |
43 |
0 |
0 |
| ODI |
0 |
33 |
2 |
157 |
399 |
65 |
0 |
0 |
| CDI |
0 |
18 |
6 |
40 |
458 |
289 |
25 |
0 |
| VCDI |
0 |
5 |
8 |
86 |
457 |
2454 |
7825 |
3769 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78742 |
11546 |
104 |
356 |
265 |
105 |
1 |
0 |
| OW |
73 |
465 |
36 |
169 |
96 |
28 |
0 |
0 |
| VODI |
0 |
247 |
37 |
214 |
227 |
49 |
0 |
0 |
| ODI |
0 |
54 |
20 |
223 |
334 |
99 |
0 |
0 |
| CDI |
0 |
26 |
3 |
124 |
455 |
353 |
59 |
0 |
| VCDI |
0 |
54 |
12 |
96 |
539 |
2329 |
7791 |
3769 |
|
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