Validation of sea ice concentration - European sector
Bulletin date: 2021-12-02
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-11-26:
| 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 |
81843 |
10634 |
102 |
473 |
429 |
93 |
1 |
0 |
| OW |
50 |
325 |
25 |
177 |
197 |
40 |
0 |
0 |
| VODI |
0 |
157 |
18 |
207 |
306 |
132 |
5 |
0 |
| ODI |
0 |
36 |
11 |
163 |
264 |
174 |
10 |
0 |
| CDI |
0 |
2 |
3 |
77 |
300 |
303 |
21 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
413 |
2561 |
5146 |
4380 |
|
...date precedes bulletin
|
Date: 2021-11-28:
| 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 |
81270 |
11025 |
80 |
435 |
358 |
81 |
3 |
0 |
| OW |
50 |
354 |
25 |
176 |
161 |
19 |
1 |
0 |
| VODI |
0 |
177 |
18 |
207 |
278 |
56 |
1 |
0 |
| ODI |
0 |
46 |
17 |
168 |
278 |
113 |
5 |
0 |
| CDI |
0 |
11 |
5 |
118 |
365 |
197 |
17 |
0 |
| VCDI |
0 |
0 |
0 |
39 |
509 |
2369 |
4874 |
5194 |
|
...date precedes bulletin
|
Date: 2021-11-30:
| 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 |
81657 |
10600 |
86 |
445 |
383 |
97 |
1 |
0 |
| OW |
52 |
241 |
43 |
250 |
100 |
8 |
0 |
0 |
| VODI |
0 |
99 |
21 |
226 |
275 |
31 |
0 |
0 |
| ODI |
0 |
16 |
9 |
99 |
313 |
80 |
3 |
0 |
| CDI |
0 |
6 |
4 |
65 |
424 |
262 |
14 |
0 |
| VCDI |
0 |
0 |
1 |
22 |
349 |
2192 |
5880 |
4746 |
|
...date precedes bulletin
|
Date: 2021-12-02:
| 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 |
81604 |
10041 |
101 |
464 |
409 |
209 |
4 |
0 |
| OW |
52 |
290 |
27 |
255 |
121 |
29 |
0 |
0 |
| VODI |
0 |
119 |
24 |
217 |
247 |
61 |
4 |
0 |
| ODI |
0 |
28 |
15 |
133 |
273 |
91 |
10 |
0 |
| CDI |
0 |
4 |
4 |
103 |
392 |
270 |
29 |
0 |
| VCDI |
0 |
0 |
0 |
24 |
443 |
2248 |
6778 |
3977 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81600 |
9998 |
105 |
491 |
422 |
209 |
3 |
0 |
| OW |
56 |
330 |
26 |
221 |
123 |
25 |
1 |
0 |
| VODI |
0 |
121 |
22 |
223 |
246 |
62 |
3 |
0 |
| ODI |
0 |
30 |
15 |
140 |
247 |
97 |
12 |
0 |
| CDI |
0 |
3 |
3 |
100 |
403 |
226 |
25 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
444 |
2289 |
6781 |
3977 |
|
Date: 2021-12-04:
| 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 |
80230 |
11196 |
103 |
403 |
337 |
323 |
8 |
0 |
| OW |
53 |
428 |
41 |
254 |
87 |
4 |
2 |
0 |
| VODI |
0 |
172 |
21 |
282 |
199 |
38 |
2 |
0 |
| ODI |
0 |
39 |
19 |
174 |
282 |
69 |
1 |
0 |
| CDI |
0 |
2 |
5 |
142 |
428 |
241 |
12 |
0 |
| VCDI |
0 |
0 |
0 |
34 |
548 |
2479 |
6338 |
4104 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80225 |
11159 |
105 |
434 |
361 |
321 |
8 |
0 |
| OW |
57 |
445 |
38 |
205 |
87 |
6 |
1 |
0 |
| VODI |
1 |
188 |
21 |
283 |
173 |
36 |
2 |
0 |
| ODI |
0 |
41 |
18 |
180 |
268 |
75 |
3 |
0 |
| CDI |
0 |
4 |
7 |
150 |
415 |
227 |
17 |
0 |
| VCDI |
0 |
0 |
0 |
37 |
577 |
2489 |
6332 |
4104 |
|
Date: 2021-12-06:
| 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 |
80193 |
11554 |
99 |
397 |
302 |
244 |
0 |
0 |
| OW |
53 |
334 |
36 |
283 |
115 |
7 |
0 |
0 |
| VODI |
0 |
101 |
29 |
234 |
309 |
30 |
0 |
0 |
| ODI |
0 |
21 |
11 |
105 |
334 |
102 |
0 |
0 |
| CDI |
0 |
6 |
6 |
78 |
451 |
352 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
38 |
547 |
3169 |
5175 |
4383 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80134 |
11123 |
87 |
350 |
324 |
246 |
0 |
0 |
| OW |
107 |
422 |
26 |
199 |
109 |
15 |
0 |
0 |
| VODI |
5 |
349 |
27 |
223 |
200 |
61 |
0 |
0 |
| ODI |
0 |
92 |
22 |
134 |
268 |
99 |
5 |
0 |
| CDI |
0 |
28 |
16 |
153 |
427 |
264 |
19 |
0 |
| VCDI |
0 |
2 |
3 |
76 |
730 |
3219 |
5153 |
4383 |
|
Date: 2021-12-08:
| 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 |
79641 |
11759 |
117 |
591 |
240 |
178 |
40 |
0 |
| OW |
54 |
234 |
41 |
280 |
142 |
7 |
0 |
0 |
| VODI |
0 |
108 |
22 |
252 |
395 |
31 |
0 |
0 |
| ODI |
0 |
41 |
6 |
125 |
355 |
107 |
0 |
0 |
| CDI |
0 |
17 |
2 |
55 |
325 |
479 |
23 |
0 |
| VCDI |
0 |
9 |
7 |
74 |
479 |
2957 |
5313 |
4594 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
79603 |
11165 |
108 |
485 |
246 |
179 |
40 |
0 |
| OW |
84 |
481 |
22 |
217 |
82 |
16 |
0 |
0 |
| VODI |
8 |
345 |
24 |
246 |
237 |
49 |
1 |
0 |
| ODI |
0 |
105 |
25 |
172 |
365 |
77 |
8 |
0 |
| CDI |
0 |
52 |
8 |
141 |
422 |
390 |
47 |
0 |
| VCDI |
0 |
20 |
8 |
116 |
584 |
3048 |
5280 |
4594 |
|
Date: 2021-12-10:
| 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 |
79337 |
11666 |
128 |
487 |
287 |
157 |
61 |
0 |
| OW |
54 |
320 |
40 |
323 |
185 |
12 |
0 |
0 |
| VODI |
0 |
76 |
26 |
295 |
296 |
58 |
0 |
0 |
| ODI |
0 |
24 |
5 |
165 |
303 |
145 |
0 |
0 |
| CDI |
0 |
35 |
3 |
104 |
359 |
474 |
60 |
0 |
| VCDI |
0 |
20 |
8 |
88 |
512 |
2289 |
7952 |
2746 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
79335 |
11171 |
111 |
422 |
285 |
162 |
61 |
0 |
| OW |
56 |
458 |
29 |
215 |
120 |
27 |
0 |
0 |
| VODI |
0 |
352 |
34 |
268 |
241 |
69 |
0 |
0 |
| ODI |
0 |
98 |
12 |
227 |
280 |
137 |
16 |
0 |
| CDI |
0 |
40 |
14 |
150 |
349 |
534 |
179 |
0 |
| VCDI |
0 |
22 |
10 |
180 |
667 |
2206 |
7817 |
2746 |
|
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