Validation of sea ice concentration - European sector
Bulletin date: 2021-12-16
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2021-12-12:
| 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 |
78810 |
11968 |
128 |
426 |
265 |
108 |
9 |
0 |
| OW |
60 |
379 |
54 |
322 |
251 |
19 |
0 |
0 |
| VODI |
0 |
90 |
26 |
285 |
345 |
70 |
0 |
0 |
| ODI |
0 |
25 |
3 |
140 |
265 |
151 |
0 |
0 |
| CDI |
0 |
26 |
2 |
67 |
335 |
416 |
76 |
2 |
| VCDI |
0 |
13 |
6 |
67 |
566 |
1753 |
7191 |
4381 |
|
...date precedes bulletin
|
Date: 2021-12-14:
| 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 |
78650 |
12155 |
113 |
348 |
223 |
107 |
17 |
0 |
| OW |
60 |
268 |
78 |
336 |
106 |
28 |
0 |
0 |
| VODI |
0 |
59 |
19 |
415 |
350 |
63 |
0 |
0 |
| ODI |
0 |
18 |
5 |
108 |
425 |
136 |
4 |
0 |
| CDI |
0 |
6 |
2 |
66 |
387 |
545 |
86 |
0 |
| VCDI |
0 |
1 |
2 |
43 |
562 |
2044 |
7842 |
3423 |
|
...date precedes bulletin
|
Date: 2021-12-16:
| 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 |
78767 |
11813 |
124 |
383 |
219 |
113 |
12 |
0 |
| OW |
64 |
279 |
49 |
312 |
119 |
11 |
1 |
0 |
| VODI |
0 |
98 |
14 |
290 |
296 |
43 |
1 |
0 |
| ODI |
0 |
39 |
2 |
97 |
473 |
71 |
1 |
0 |
| CDI |
0 |
22 |
6 |
28 |
477 |
376 |
75 |
0 |
| VCDI |
0 |
7 |
6 |
75 |
522 |
2367 |
7186 |
4262 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78768 |
11803 |
131 |
431 |
232 |
116 |
12 |
0 |
| OW |
63 |
283 |
39 |
303 |
142 |
7 |
0 |
0 |
| VODI |
0 |
104 |
17 |
252 |
286 |
47 |
2 |
0 |
| ODI |
0 |
41 |
2 |
97 |
442 |
65 |
1 |
0 |
| CDI |
0 |
20 |
6 |
28 |
446 |
383 |
113 |
0 |
| VCDI |
0 |
7 |
6 |
74 |
558 |
2363 |
7148 |
4262 |
|
Date: 2021-12-18:
| 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 |
78842 |
11695 |
95 |
346 |
225 |
146 |
0 |
0 |
| OW |
64 |
455 |
38 |
232 |
101 |
25 |
0 |
0 |
| VODI |
0 |
203 |
52 |
297 |
231 |
42 |
0 |
0 |
| ODI |
0 |
47 |
20 |
205 |
294 |
89 |
0 |
0 |
| CDI |
0 |
19 |
6 |
97 |
428 |
236 |
35 |
0 |
| VCDI |
0 |
13 |
12 |
85 |
678 |
2967 |
7065 |
3715 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78842 |
11736 |
102 |
406 |
234 |
154 |
0 |
0 |
| OW |
64 |
396 |
32 |
219 |
129 |
16 |
0 |
0 |
| VODI |
0 |
210 |
40 |
233 |
235 |
53 |
0 |
0 |
| ODI |
0 |
59 |
28 |
179 |
264 |
79 |
0 |
0 |
| CDI |
0 |
20 |
9 |
124 |
363 |
258 |
42 |
0 |
| VCDI |
0 |
11 |
12 |
101 |
732 |
2945 |
7058 |
3715 |
|
Date: 2021-12-20:
| 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 |
76379 |
13706 |
116 |
472 |
221 |
142 |
10 |
0 |
| OW |
65 |
352 |
63 |
328 |
117 |
46 |
13 |
0 |
| VODI |
0 |
105 |
40 |
413 |
257 |
43 |
0 |
0 |
| ODI |
0 |
20 |
3 |
195 |
556 |
96 |
0 |
0 |
| CDI |
0 |
11 |
6 |
40 |
530 |
490 |
15 |
0 |
| VCDI |
0 |
0 |
4 |
43 |
447 |
2603 |
6471 |
4682 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76376 |
13379 |
121 |
522 |
303 |
195 |
23 |
0 |
| OW |
68 |
409 |
51 |
295 |
139 |
45 |
0 |
0 |
| VODI |
0 |
273 |
25 |
295 |
270 |
69 |
0 |
0 |
| ODI |
0 |
72 |
16 |
183 |
323 |
108 |
3 |
0 |
| CDI |
0 |
46 |
5 |
90 |
378 |
291 |
29 |
0 |
| VCDI |
0 |
15 |
14 |
106 |
715 |
2712 |
6454 |
4682 |
|
Date: 2021-12-22:
| 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 |
75815 |
13650 |
126 |
458 |
253 |
201 |
16 |
0 |
| OW |
63 |
390 |
66 |
313 |
138 |
49 |
21 |
0 |
| VODI |
0 |
146 |
32 |
378 |
304 |
61 |
0 |
0 |
| ODI |
0 |
32 |
5 |
156 |
415 |
145 |
0 |
0 |
| CDI |
0 |
4 |
10 |
65 |
552 |
430 |
43 |
0 |
| VCDI |
0 |
0 |
0 |
55 |
481 |
2523 |
8250 |
3454 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75800 |
13272 |
137 |
497 |
348 |
267 |
37 |
0 |
| OW |
78 |
491 |
42 |
264 |
161 |
45 |
0 |
0 |
| VODI |
0 |
329 |
29 |
267 |
323 |
82 |
0 |
0 |
| ODI |
0 |
91 |
13 |
182 |
298 |
165 |
0 |
0 |
| CDI |
0 |
33 |
10 |
103 |
458 |
384 |
20 |
0 |
| VCDI |
0 |
6 |
8 |
112 |
555 |
2466 |
8273 |
3454 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75355 |
13229 |
147 |
641 |
355 |
204 |
146 |
0 |
| OW |
112 |
475 |
47 |
209 |
186 |
19 |
4 |
0 |
| VODI |
23 |
337 |
47 |
307 |
346 |
82 |
0 |
0 |
| ODI |
0 |
84 |
17 |
218 |
339 |
130 |
0 |
0 |
| CDI |
0 |
11 |
1 |
116 |
514 |
472 |
43 |
0 |
| VCDI |
0 |
0 |
0 |
64 |
647 |
3117 |
7661 |
3395 |
|
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