Validation of sea ice concentration - Full domain
Bulletin date: 2022-03-31
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-03-25:
| 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 |
68286 |
13664 |
144 |
825 |
641 |
118 |
0 |
0 |
| OW |
52 |
564 |
67 |
418 |
391 |
160 |
0 |
0 |
| VODI |
0 |
267 |
36 |
549 |
612 |
244 |
3 |
0 |
| ODI |
0 |
100 |
17 |
246 |
595 |
492 |
53 |
1 |
| CDI |
0 |
54 |
7 |
142 |
641 |
1299 |
395 |
28 |
| VCDI |
0 |
264 |
36 |
339 |
1120 |
8127 |
26982 |
59069 |
|
...date precedes bulletin
|
Date: 2022-03-27:
| 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 |
68078 |
13784 |
155 |
872 |
690 |
165 |
14 |
0 |
| OW |
53 |
558 |
48 |
379 |
427 |
150 |
35 |
0 |
| VODI |
0 |
326 |
43 |
336 |
574 |
299 |
83 |
0 |
| ODI |
0 |
113 |
22 |
216 |
587 |
423 |
163 |
0 |
| CDI |
0 |
44 |
14 |
153 |
547 |
1007 |
311 |
17 |
| VCDI |
0 |
162 |
24 |
326 |
1408 |
7009 |
25496 |
61937 |
|
...date precedes bulletin
|
Date: 2022-03-29:
| 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 |
67408 |
15075 |
144 |
771 |
297 |
67 |
33 |
0 |
| OW |
52 |
585 |
65 |
544 |
311 |
38 |
29 |
0 |
| VODI |
0 |
225 |
54 |
529 |
675 |
131 |
40 |
0 |
| ODI |
0 |
68 |
16 |
271 |
735 |
419 |
133 |
0 |
| CDI |
0 |
22 |
1 |
115 |
878 |
1118 |
423 |
72 |
| VCDI |
0 |
75 |
17 |
274 |
1336 |
5996 |
25383 |
62623 |
|
...date precedes bulletin
|
Date: 2022-03-31:
| 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 |
67456 |
15195 |
169 |
671 |
276 |
73 |
44 |
0 |
| OW |
52 |
608 |
74 |
546 |
375 |
37 |
33 |
0 |
| VODI |
0 |
172 |
54 |
459 |
625 |
125 |
42 |
0 |
| ODI |
0 |
42 |
14 |
257 |
626 |
392 |
137 |
0 |
| CDI |
0 |
14 |
0 |
79 |
917 |
1065 |
436 |
14 |
| VCDI |
0 |
32 |
6 |
77 |
1487 |
5433 |
22903 |
66031 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67456 |
15278 |
181 |
848 |
398 |
77 |
46 |
0 |
| OW |
52 |
524 |
62 |
383 |
321 |
36 |
29 |
0 |
| VODI |
0 |
162 |
58 |
468 |
594 |
118 |
39 |
0 |
| ODI |
0 |
50 |
9 |
239 |
630 |
375 |
97 |
0 |
| CDI |
0 |
15 |
1 |
70 |
840 |
1042 |
463 |
21 |
| VCDI |
0 |
34 |
6 |
81 |
1523 |
5477 |
22921 |
66024 |
|
Date: 2022-04-02:
| 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 |
67553 |
15188 |
163 |
690 |
372 |
134 |
27 |
0 |
| OW |
52 |
542 |
66 |
503 |
336 |
72 |
32 |
0 |
| VODI |
0 |
201 |
56 |
390 |
591 |
220 |
47 |
0 |
| ODI |
0 |
34 |
12 |
271 |
588 |
424 |
134 |
0 |
| CDI |
0 |
8 |
4 |
92 |
823 |
800 |
448 |
18 |
| VCDI |
0 |
15 |
6 |
67 |
1504 |
5752 |
27516 |
61297 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67553 |
15245 |
174 |
844 |
458 |
135 |
28 |
0 |
| OW |
52 |
483 |
56 |
334 |
304 |
66 |
25 |
0 |
| VODI |
0 |
198 |
52 |
405 |
567 |
207 |
40 |
0 |
| ODI |
0 |
36 |
15 |
265 |
594 |
388 |
128 |
0 |
| CDI |
0 |
10 |
4 |
93 |
748 |
804 |
466 |
17 |
| VCDI |
0 |
16 |
6 |
72 |
1543 |
5802 |
27517 |
61298 |
|
Date: 2022-04-04:
| 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 |
67618 |
15424 |
147 |
659 |
218 |
92 |
16 |
0 |
| OW |
52 |
491 |
96 |
536 |
284 |
39 |
24 |
0 |
| VODI |
0 |
101 |
57 |
542 |
561 |
63 |
25 |
0 |
| ODI |
0 |
12 |
6 |
303 |
948 |
360 |
31 |
0 |
| CDI |
0 |
0 |
0 |
51 |
1056 |
1291 |
317 |
26 |
| VCDI |
0 |
0 |
0 |
29 |
791 |
5165 |
25511 |
64106 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67618 |
15275 |
164 |
820 |
413 |
114 |
40 |
0 |
| OW |
52 |
483 |
56 |
349 |
322 |
69 |
32 |
0 |
| VODI |
0 |
208 |
60 |
403 |
531 |
179 |
48 |
0 |
| ODI |
0 |
57 |
21 |
294 |
469 |
385 |
96 |
0 |
| CDI |
0 |
5 |
5 |
200 |
749 |
750 |
451 |
37 |
| VCDI |
0 |
0 |
0 |
54 |
1374 |
5513 |
25257 |
64095 |
|
Date: 2022-04-06:
| 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 |
67708 |
15471 |
168 |
723 |
282 |
82 |
43 |
0 |
| OW |
53 |
370 |
71 |
445 |
324 |
34 |
23 |
0 |
| VODI |
0 |
165 |
47 |
382 |
628 |
90 |
34 |
0 |
| ODI |
0 |
49 |
12 |
280 |
675 |
363 |
41 |
2 |
| CDI |
0 |
11 |
6 |
75 |
954 |
1219 |
345 |
93 |
| VCDI |
0 |
0 |
0 |
98 |
998 |
4988 |
25050 |
64646 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67708 |
15025 |
143 |
733 |
473 |
106 |
75 |
0 |
| OW |
53 |
573 |
71 |
267 |
330 |
88 |
42 |
0 |
| VODI |
0 |
286 |
40 |
407 |
481 |
215 |
64 |
0 |
| ODI |
0 |
149 |
32 |
196 |
524 |
393 |
96 |
2 |
| CDI |
0 |
33 |
16 |
255 |
735 |
802 |
463 |
108 |
| VCDI |
0 |
0 |
2 |
145 |
1318 |
5172 |
24796 |
64631 |
|
Date: 2022-04-08:
| 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 |
67688 |
15064 |
164 |
870 |
382 |
95 |
34 |
0 |
| OW |
61 |
377 |
58 |
427 |
352 |
62 |
27 |
0 |
| VODI |
0 |
170 |
39 |
403 |
591 |
143 |
40 |
0 |
| ODI |
0 |
26 |
13 |
251 |
621 |
427 |
52 |
0 |
| CDI |
0 |
3 |
3 |
127 |
814 |
1120 |
437 |
33 |
| VCDI |
0 |
0 |
0 |
22 |
1027 |
5294 |
27284 |
62447 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67688 |
14786 |
151 |
853 |
539 |
129 |
60 |
0 |
| OW |
61 |
467 |
58 |
304 |
373 |
105 |
43 |
0 |
| VODI |
0 |
227 |
31 |
390 |
456 |
274 |
78 |
0 |
| ODI |
0 |
117 |
18 |
254 |
479 |
419 |
133 |
0 |
| CDI |
0 |
43 |
19 |
212 |
707 |
864 |
506 |
32 |
| VCDI |
0 |
0 |
0 |
87 |
1233 |
5350 |
27054 |
62448 |
|
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