Validation of sea ice concentration - Full domain
Bulletin date: 2021-10-28
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-10-22:
| 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 |
107700 |
13572 |
170 |
800 |
211 |
4 |
0 |
0 |
| OW |
18 |
1243 |
121 |
1239 |
1396 |
433 |
0 |
0 |
| VODI |
0 |
414 |
69 |
748 |
1366 |
960 |
57 |
0 |
| ODI |
0 |
96 |
36 |
426 |
762 |
863 |
87 |
0 |
| CDI |
0 |
20 |
11 |
280 |
957 |
1308 |
456 |
2 |
| VCDI |
0 |
0 |
2 |
83 |
1286 |
8094 |
16439 |
25319 |
|
...date precedes bulletin
|
Date: 2021-10-24:
| 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 |
106728 |
12815 |
123 |
608 |
153 |
0 |
0 |
0 |
| OW |
31 |
1494 |
109 |
957 |
656 |
146 |
0 |
0 |
| VODI |
1 |
377 |
57 |
756 |
1822 |
1476 |
269 |
0 |
| ODI |
0 |
55 |
33 |
358 |
959 |
1152 |
143 |
0 |
| CDI |
0 |
18 |
5 |
208 |
1108 |
1194 |
542 |
0 |
| VCDI |
0 |
0 |
0 |
54 |
1115 |
7583 |
18673 |
25270 |
|
...date precedes bulletin
|
Date: 2021-10-26:
| 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 |
105048 |
13833 |
163 |
657 |
217 |
5 |
0 |
0 |
| OW |
15 |
453 |
83 |
882 |
390 |
22 |
0 |
0 |
| VODI |
0 |
113 |
36 |
770 |
1160 |
159 |
0 |
0 |
| ODI |
0 |
9 |
3 |
162 |
1524 |
607 |
9 |
0 |
| CDI |
0 |
0 |
0 |
37 |
1087 |
3714 |
299 |
2 |
| VCDI |
0 |
0 |
0 |
4 |
368 |
7681 |
18477 |
29059 |
|
...date precedes bulletin
|
Date: 2021-10-28:
| 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 |
103433 |
14018 |
149 |
728 |
241 |
33 |
0 |
0 |
| OW |
10 |
646 |
77 |
648 |
396 |
101 |
0 |
0 |
| VODI |
0 |
181 |
47 |
707 |
802 |
498 |
75 |
0 |
| ODI |
0 |
27 |
7 |
232 |
790 |
737 |
134 |
0 |
| CDI |
0 |
5 |
3 |
71 |
749 |
2374 |
297 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
269 |
8495 |
20432 |
29621 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
103432 |
14158 |
169 |
897 |
343 |
53 |
0 |
0 |
| OW |
11 |
504 |
56 |
491 |
325 |
97 |
17 |
0 |
| VODI |
0 |
181 |
46 |
664 |
725 |
541 |
68 |
0 |
| ODI |
0 |
28 |
9 |
245 |
780 |
825 |
94 |
0 |
| CDI |
0 |
6 |
3 |
90 |
770 |
2160 |
298 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
304 |
8562 |
20461 |
29621 |
|
Date: 2021-10-30:
| 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 |
101857 |
14254 |
156 |
717 |
318 |
25 |
0 |
0 |
| OW |
11 |
843 |
83 |
626 |
489 |
70 |
0 |
0 |
| VODI |
0 |
192 |
40 |
536 |
824 |
466 |
66 |
0 |
| ODI |
0 |
24 |
3 |
182 |
710 |
671 |
276 |
0 |
| CDI |
0 |
17 |
2 |
56 |
559 |
1481 |
587 |
0 |
| VCDI |
0 |
5 |
1 |
30 |
306 |
6308 |
22795 |
31462 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
101857 |
14455 |
168 |
889 |
445 |
27 |
0 |
0 |
| OW |
11 |
630 |
81 |
485 |
405 |
134 |
0 |
0 |
| VODI |
0 |
198 |
30 |
503 |
746 |
369 |
147 |
0 |
| ODI |
0 |
26 |
4 |
171 |
683 |
613 |
246 |
0 |
| CDI |
0 |
19 |
1 |
70 |
581 |
1514 |
436 |
0 |
| VCDI |
0 |
7 |
1 |
29 |
346 |
6364 |
22895 |
31462 |
|
Date: 2021-11-01:
| 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 |
99720 |
16063 |
171 |
664 |
222 |
13 |
0 |
0 |
| OW |
14 |
486 |
91 |
751 |
179 |
19 |
0 |
0 |
| VODI |
0 |
131 |
25 |
665 |
872 |
71 |
0 |
0 |
| ODI |
0 |
29 |
7 |
123 |
1158 |
524 |
16 |
0 |
| CDI |
0 |
21 |
3 |
67 |
581 |
1759 |
402 |
148 |
| VCDI |
0 |
10 |
5 |
49 |
452 |
6552 |
22236 |
32749 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
99719 |
15605 |
151 |
858 |
408 |
27 |
0 |
0 |
| OW |
15 |
667 |
74 |
578 |
410 |
78 |
0 |
0 |
| VODI |
0 |
392 |
60 |
476 |
744 |
298 |
67 |
0 |
| ODI |
0 |
45 |
12 |
205 |
598 |
471 |
283 |
53 |
| CDI |
0 |
17 |
0 |
113 |
646 |
1003 |
520 |
237 |
| VCDI |
0 |
14 |
5 |
89 |
658 |
7061 |
21784 |
32607 |
|
Date: 2021-11-03:
| 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 |
98961 |
15622 |
180 |
927 |
313 |
38 |
0 |
0 |
| OW |
34 |
771 |
58 |
650 |
378 |
42 |
0 |
0 |
| VODI |
0 |
363 |
61 |
660 |
612 |
159 |
43 |
0 |
| ODI |
0 |
64 |
23 |
353 |
878 |
469 |
52 |
0 |
| CDI |
0 |
13 |
2 |
140 |
1049 |
789 |
270 |
7 |
| VCDI |
0 |
6 |
1 |
89 |
943 |
9693 |
23682 |
28653 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
98965 |
15062 |
162 |
995 |
440 |
91 |
0 |
0 |
| OW |
30 |
857 |
54 |
720 |
416 |
67 |
0 |
0 |
| VODI |
0 |
659 |
65 |
467 |
875 |
187 |
0 |
0 |
| ODI |
0 |
211 |
33 |
352 |
686 |
306 |
0 |
0 |
| CDI |
0 |
45 |
8 |
182 |
742 |
894 |
179 |
42 |
| VCDI |
0 |
5 |
3 |
103 |
1014 |
9645 |
23868 |
28618 |
|
Date: 2021-11-05:
| 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 |
97291 |
15955 |
181 |
772 |
276 |
66 |
0 |
0 |
| OW |
73 |
964 |
73 |
655 |
508 |
61 |
0 |
0 |
| VODI |
0 |
448 |
66 |
698 |
668 |
142 |
0 |
0 |
| ODI |
0 |
135 |
26 |
354 |
841 |
334 |
15 |
0 |
| CDI |
0 |
43 |
9 |
202 |
1013 |
1028 |
189 |
102 |
| VCDI |
0 |
4 |
1 |
212 |
1392 |
11330 |
24074 |
26847 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97272 |
15698 |
172 |
930 |
471 |
94 |
0 |
0 |
| OW |
92 |
1184 |
77 |
610 |
490 |
137 |
0 |
0 |
| VODI |
0 |
430 |
62 |
641 |
995 |
228 |
0 |
0 |
| ODI |
0 |
169 |
28 |
306 |
750 |
399 |
39 |
0 |
| CDI |
0 |
66 |
17 |
186 |
603 |
894 |
235 |
0 |
| VCDI |
0 |
2 |
0 |
220 |
1389 |
11209 |
24004 |
26949 |
|
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