Validation of sea ice concentration - Full domain
Bulletin date: 2022-12-08
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-12-02:
| 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 |
66588 |
28796 |
5170 |
560 |
303 |
79 |
72 |
0 |
| OW |
39 |
1090 |
609 |
478 |
278 |
63 |
8 |
0 |
| VODI |
12 |
445 |
551 |
578 |
452 |
284 |
25 |
0 |
| ODI |
0 |
165 |
231 |
348 |
386 |
428 |
53 |
0 |
| CDI |
0 |
44 |
120 |
279 |
485 |
877 |
250 |
8 |
| VCDI |
0 |
29 |
95 |
285 |
1102 |
8100 |
33879 |
33404 |
|
...date precedes bulletin
|
Date: 2022-12-04:
| 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 |
66728 |
26779 |
5484 |
507 |
384 |
129 |
37 |
0 |
| OW |
92 |
1033 |
952 |
502 |
332 |
165 |
6 |
0 |
| VODI |
10 |
601 |
565 |
735 |
399 |
390 |
53 |
0 |
| ODI |
1 |
194 |
236 |
486 |
467 |
409 |
72 |
0 |
| CDI |
0 |
51 |
110 |
343 |
654 |
851 |
194 |
10 |
| VCDI |
0 |
20 |
91 |
376 |
1154 |
11615 |
33285 |
30546 |
|
...date precedes bulletin
|
Date: 2022-12-06:
| 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 |
65944 |
22696 |
9479 |
963 |
446 |
184 |
34 |
0 |
| OW |
38 |
1001 |
568 |
852 |
397 |
84 |
14 |
0 |
| VODI |
0 |
483 |
447 |
848 |
903 |
294 |
11 |
0 |
| ODI |
0 |
132 |
189 |
344 |
630 |
618 |
181 |
0 |
| CDI |
0 |
90 |
109 |
234 |
489 |
1364 |
363 |
14 |
| VCDI |
0 |
40 |
100 |
372 |
1261 |
11921 |
37202 |
25709 |
|
...date precedes bulletin
|
Date: 2022-12-08:
| 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 |
63895 |
23913 |
7477 |
837 |
609 |
245 |
41 |
0 |
| OW |
51 |
616 |
604 |
737 |
664 |
196 |
11 |
0 |
| VODI |
0 |
312 |
290 |
803 |
1118 |
770 |
68 |
0 |
| ODI |
0 |
124 |
138 |
300 |
918 |
860 |
125 |
0 |
| CDI |
0 |
50 |
68 |
219 |
599 |
1507 |
433 |
15 |
| VCDI |
0 |
31 |
45 |
255 |
706 |
9969 |
36349 |
31080 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63895 |
23910 |
7570 |
921 |
662 |
279 |
41 |
0 |
| OW |
51 |
656 |
502 |
684 |
704 |
202 |
12 |
0 |
| VODI |
0 |
305 |
323 |
787 |
1055 |
768 |
79 |
0 |
| ODI |
0 |
110 |
124 |
273 |
863 |
821 |
100 |
0 |
| CDI |
0 |
41 |
58 |
235 |
659 |
1487 |
427 |
15 |
| VCDI |
0 |
24 |
45 |
251 |
671 |
9990 |
36368 |
31080 |
|
Date: 2022-12-10:
| 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 |
68418 |
22956 |
2495 |
621 |
545 |
380 |
48 |
0 |
| OW |
52 |
494 |
460 |
719 |
695 |
319 |
7 |
0 |
| VODI |
0 |
238 |
165 |
614 |
1057 |
757 |
75 |
0 |
| ODI |
0 |
114 |
83 |
314 |
1099 |
919 |
142 |
0 |
| CDI |
0 |
68 |
55 |
202 |
978 |
1515 |
434 |
1 |
| VCDI |
0 |
33 |
50 |
151 |
780 |
7911 |
33107 |
37977 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68418 |
22907 |
2505 |
770 |
689 |
426 |
49 |
0 |
| OW |
52 |
530 |
444 |
609 |
634 |
306 |
15 |
0 |
| VODI |
0 |
272 |
187 |
603 |
967 |
740 |
76 |
0 |
| ODI |
0 |
105 |
80 |
300 |
1022 |
942 |
157 |
0 |
| CDI |
0 |
64 |
43 |
186 |
1031 |
1501 |
383 |
1 |
| VCDI |
0 |
25 |
49 |
153 |
811 |
7886 |
33133 |
37977 |
|
Date: 2022-12-12:
| 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 |
67855 |
18612 |
7021 |
648 |
412 |
305 |
31 |
0 |
| OW |
59 |
266 |
546 |
553 |
170 |
72 |
21 |
0 |
| VODI |
0 |
112 |
295 |
888 |
772 |
309 |
33 |
0 |
| ODI |
0 |
39 |
85 |
460 |
1779 |
1276 |
30 |
0 |
| CDI |
0 |
13 |
40 |
148 |
1229 |
2492 |
341 |
0 |
| VCDI |
0 |
4 |
7 |
94 |
662 |
10487 |
36990 |
31892 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67854 |
18192 |
6850 |
750 |
653 |
560 |
75 |
0 |
| OW |
60 |
438 |
542 |
589 |
536 |
392 |
20 |
0 |
| VODI |
0 |
270 |
346 |
570 |
737 |
864 |
103 |
0 |
| ODI |
0 |
93 |
141 |
370 |
809 |
976 |
149 |
0 |
| CDI |
0 |
42 |
71 |
269 |
1147 |
1601 |
370 |
8 |
| VCDI |
0 |
11 |
44 |
243 |
1142 |
10548 |
36729 |
31884 |
|
Date: 2022-12-14:
| 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 |
64661 |
20788 |
7343 |
618 |
379 |
208 |
12 |
0 |
| OW |
60 |
397 |
397 |
388 |
267 |
66 |
31 |
0 |
| VODI |
0 |
199 |
203 |
561 |
727 |
342 |
19 |
0 |
| ODI |
0 |
43 |
68 |
298 |
1429 |
896 |
19 |
0 |
| CDI |
0 |
24 |
35 |
195 |
1708 |
1609 |
406 |
18 |
| VCDI |
0 |
3 |
7 |
124 |
1001 |
9967 |
35572 |
35960 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64656 |
20436 |
7188 |
587 |
485 |
387 |
43 |
0 |
| OW |
65 |
563 |
442 |
441 |
527 |
246 |
22 |
0 |
| VODI |
0 |
261 |
252 |
448 |
942 |
620 |
32 |
0 |
| ODI |
0 |
130 |
80 |
249 |
999 |
895 |
128 |
0 |
| CDI |
0 |
53 |
63 |
190 |
1145 |
1535 |
433 |
35 |
| VCDI |
0 |
11 |
28 |
269 |
1413 |
9405 |
35401 |
35943 |
|
Date: 2022-12-16:
| 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 |
67103 |
18927 |
5973 |
553 |
280 |
319 |
28 |
0 |
| OW |
60 |
433 |
369 |
477 |
332 |
56 |
43 |
0 |
| VODI |
0 |
175 |
282 |
510 |
590 |
360 |
102 |
0 |
| ODI |
0 |
72 |
156 |
455 |
781 |
789 |
61 |
0 |
| CDI |
0 |
19 |
74 |
216 |
861 |
1822 |
278 |
0 |
| VCDI |
0 |
41 |
36 |
186 |
1501 |
11356 |
30982 |
40390 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67103 |
18661 |
5661 |
580 |
359 |
488 |
122 |
0 |
| OW |
60 |
477 |
472 |
459 |
322 |
383 |
69 |
0 |
| VODI |
0 |
312 |
274 |
466 |
708 |
648 |
92 |
0 |
| ODI |
0 |
122 |
203 |
283 |
547 |
851 |
139 |
0 |
| CDI |
0 |
60 |
113 |
247 |
739 |
1668 |
433 |
58 |
| VCDI |
0 |
35 |
167 |
362 |
1670 |
10664 |
30639 |
40332 |
|
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