Validation of sea ice concentration - Full domain
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 |
80214 |
15872 |
192 |
811 |
457 |
157 |
61 |
0 |
| OW |
55 |
835 |
73 |
592 |
455 |
12 |
0 |
0 |
| VODI |
0 |
363 |
47 |
542 |
535 |
65 |
0 |
0 |
| ODI |
0 |
88 |
19 |
344 |
698 |
161 |
0 |
0 |
| CDI |
0 |
43 |
8 |
223 |
903 |
556 |
65 |
0 |
| VCDI |
0 |
20 |
8 |
117 |
1277 |
6404 |
21089 |
53687 |
|
...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 |
79531 |
15714 |
192 |
793 |
361 |
131 |
9 |
0 |
| OW |
60 |
777 |
83 |
620 |
508 |
197 |
0 |
0 |
| VODI |
0 |
350 |
53 |
533 |
606 |
298 |
0 |
0 |
| ODI |
0 |
124 |
21 |
312 |
482 |
352 |
0 |
0 |
| CDI |
0 |
46 |
6 |
196 |
723 |
803 |
94 |
3 |
| VCDI |
0 |
23 |
7 |
124 |
1153 |
5387 |
19274 |
57102 |
|
...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 |
79003 |
15892 |
170 |
644 |
363 |
125 |
17 |
0 |
| OW |
60 |
725 |
125 |
615 |
252 |
52 |
0 |
0 |
| VODI |
0 |
182 |
40 |
720 |
702 |
123 |
0 |
0 |
| ODI |
0 |
76 |
17 |
256 |
752 |
414 |
86 |
0 |
| CDI |
0 |
7 |
2 |
100 |
710 |
1063 |
591 |
19 |
| VCDI |
0 |
1 |
2 |
63 |
1097 |
5209 |
20237 |
56536 |
|
...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 |
78877 |
15406 |
202 |
664 |
293 |
113 |
12 |
0 |
| OW |
64 |
852 |
85 |
628 |
217 |
27 |
1 |
0 |
| VODI |
0 |
315 |
44 |
698 |
579 |
69 |
2 |
0 |
| ODI |
0 |
122 |
13 |
317 |
910 |
137 |
15 |
0 |
| CDI |
0 |
52 |
15 |
122 |
906 |
742 |
141 |
11 |
| VCDI |
0 |
7 |
6 |
81 |
819 |
6415 |
20224 |
56845 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78878 |
15413 |
209 |
747 |
321 |
116 |
12 |
0 |
| OW |
63 |
820 |
71 |
580 |
241 |
22 |
0 |
0 |
| VODI |
0 |
340 |
48 |
635 |
589 |
78 |
3 |
0 |
| ODI |
0 |
122 |
16 |
345 |
838 |
140 |
16 |
0 |
| CDI |
0 |
52 |
15 |
124 |
838 |
714 |
188 |
7 |
| VCDI |
0 |
7 |
6 |
79 |
897 |
6433 |
20176 |
56849 |
|
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 |
14312 |
147 |
628 |
538 |
150 |
0 |
0 |
| OW |
64 |
809 |
73 |
567 |
440 |
98 |
0 |
0 |
| VODI |
0 |
325 |
62 |
557 |
669 |
202 |
0 |
0 |
| ODI |
0 |
113 |
29 |
318 |
710 |
292 |
4 |
0 |
| CDI |
0 |
81 |
11 |
131 |
737 |
872 |
86 |
16 |
| VCDI |
0 |
15 |
15 |
119 |
961 |
6675 |
17665 |
59715 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78842 |
14456 |
154 |
685 |
567 |
183 |
0 |
0 |
| OW |
64 |
665 |
61 |
586 |
446 |
70 |
0 |
0 |
| VODI |
0 |
324 |
55 |
448 |
708 |
209 |
0 |
0 |
| ODI |
0 |
121 |
39 |
297 |
629 |
287 |
2 |
0 |
| CDI |
0 |
77 |
13 |
170 |
684 |
855 |
89 |
21 |
| VCDI |
0 |
12 |
15 |
134 |
1021 |
6685 |
17664 |
59710 |
|
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 |
76413 |
14558 |
156 |
775 |
424 |
142 |
10 |
0 |
| OW |
69 |
741 |
94 |
667 |
348 |
52 |
13 |
0 |
| VODI |
0 |
210 |
51 |
569 |
799 |
228 |
0 |
0 |
| ODI |
0 |
70 |
7 |
211 |
1078 |
568 |
0 |
0 |
| CDI |
0 |
57 |
7 |
45 |
861 |
2021 |
49 |
7 |
| VCDI |
0 |
27 |
14 |
79 |
651 |
6727 |
20062 |
58188 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76413 |
14321 |
176 |
1004 |
740 |
280 |
23 |
0 |
| OW |
69 |
733 |
73 |
532 |
553 |
355 |
0 |
0 |
| VODI |
0 |
377 |
32 |
372 |
702 |
530 |
0 |
0 |
| ODI |
0 |
114 |
20 |
201 |
569 |
492 |
13 |
0 |
| CDI |
0 |
87 |
7 |
106 |
626 |
1368 |
216 |
9 |
| VCDI |
0 |
31 |
21 |
131 |
971 |
6713 |
19882 |
58186 |
|
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 |
13949 |
138 |
549 |
319 |
368 |
16 |
0 |
| OW |
63 |
787 |
90 |
489 |
309 |
368 |
21 |
0 |
| VODI |
0 |
287 |
41 |
537 |
487 |
456 |
18 |
0 |
| ODI |
0 |
101 |
11 |
197 |
556 |
681 |
75 |
0 |
| CDI |
0 |
43 |
18 |
126 |
657 |
1216 |
249 |
27 |
| VCDI |
0 |
57 |
2 |
128 |
722 |
6811 |
27290 |
52974 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75800 |
13544 |
152 |
646 |
505 |
683 |
54 |
0 |
| OW |
78 |
901 |
65 |
440 |
339 |
526 |
83 |
0 |
| VODI |
0 |
528 |
38 |
393 |
472 |
778 |
131 |
0 |
| ODI |
0 |
137 |
20 |
214 |
393 |
520 |
234 |
0 |
| CDI |
0 |
73 |
13 |
133 |
534 |
778 |
298 |
80 |
| VCDI |
0 |
41 |
12 |
200 |
807 |
6615 |
26869 |
52921 |
|
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 |
13715 |
135 |
542 |
277 |
168 |
128 |
0 |
| OW |
74 |
743 |
96 |
385 |
232 |
305 |
97 |
0 |
| VODI |
0 |
409 |
62 |
533 |
405 |
427 |
50 |
0 |
| ODI |
0 |
119 |
16 |
318 |
499 |
500 |
131 |
0 |
| CDI |
0 |
62 |
4 |
165 |
643 |
850 |
394 |
3 |
| VCDI |
0 |
97 |
16 |
167 |
947 |
6884 |
23467 |
57567 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75355 |
13441 |
161 |
685 |
383 |
423 |
224 |
0 |
| OW |
112 |
682 |
55 |
284 |
306 |
434 |
138 |
0 |
| VODI |
23 |
671 |
70 |
488 |
443 |
600 |
281 |
0 |
| ODI |
0 |
180 |
22 |
297 |
466 |
470 |
268 |
6 |
| CDI |
0 |
67 |
5 |
170 |
567 |
875 |
430 |
112 |
| VCDI |
0 |
104 |
16 |
186 |
838 |
6332 |
22926 |
57452 |
|
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