Validation of sea ice concentration - Full domain
Bulletin date: 2023-12-07
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: :
| 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 |
84400 |
14662 |
896 |
1519 |
512 |
427 |
9 |
0 |
| OW |
131 |
981 |
357 |
1115 |
204 |
34 |
4 |
0 |
| VODI |
0 |
213 |
144 |
1129 |
571 |
137 |
3 |
0 |
| ODI |
0 |
36 |
45 |
457 |
993 |
358 |
18 |
0 |
| CDI |
0 |
2 |
11 |
187 |
878 |
1457 |
119 |
16 |
| VCDI |
0 |
4 |
2 |
67 |
748 |
5875 |
22323 |
46004 |
|
...date precedes bulletin
|
Date: :
| 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 |
82480 |
14350 |
928 |
1533 |
425 |
373 |
2 |
0 |
| OW |
119 |
1435 |
375 |
1707 |
296 |
43 |
3 |
0 |
| VODI |
4 |
263 |
102 |
1084 |
783 |
173 |
8 |
0 |
| ODI |
0 |
55 |
34 |
424 |
981 |
466 |
8 |
0 |
| CDI |
0 |
16 |
24 |
226 |
724 |
1246 |
334 |
30 |
| VCDI |
0 |
3 |
2 |
80 |
719 |
5324 |
21197 |
48669 |
|
...date precedes bulletin
|
Date: :
| 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 |
80923 |
16896 |
1143 |
2002 |
481 |
222 |
9 |
16 |
| OW |
276 |
266 |
203 |
1048 |
346 |
13 |
4 |
8 |
| VODI |
16 |
60 |
48 |
927 |
835 |
101 |
4 |
7 |
| ODI |
0 |
9 |
7 |
381 |
1049 |
304 |
27 |
2 |
| CDI |
0 |
0 |
5 |
95 |
1060 |
1593 |
215 |
10 |
| VCDI |
0 |
0 |
1 |
26 |
324 |
4229 |
25030 |
46827 |
|
...date precedes bulletin
|
Date: :
| 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 |
80717 |
16072 |
858 |
1756 |
493 |
310 |
25 |
13 |
| OW |
155 |
916 |
282 |
907 |
386 |
36 |
8 |
8 |
| VODI |
2 |
280 |
122 |
823 |
777 |
182 |
9 |
4 |
| ODI |
0 |
62 |
52 |
478 |
756 |
382 |
11 |
0 |
| CDI |
0 |
4 |
11 |
149 |
886 |
1361 |
170 |
0 |
| VCDI |
0 |
6 |
4 |
50 |
504 |
4377 |
24691 |
47953 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80682 |
15953 |
879 |
1893 |
549 |
312 |
26 |
14 |
| OW |
159 |
927 |
250 |
748 |
320 |
31 |
7 |
6 |
| VODI |
33 |
364 |
110 |
757 |
759 |
149 |
8 |
5 |
| ODI |
0 |
87 |
76 |
515 |
718 |
376 |
10 |
0 |
| CDI |
0 |
6 |
10 |
200 |
886 |
1305 |
169 |
1 |
| VCDI |
0 |
3 |
4 |
50 |
570 |
4475 |
24694 |
47952 |
|
Date: :
| 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 |
80406 |
14163 |
891 |
1374 |
773 |
446 |
117 |
7 |
| OW |
120 |
1060 |
220 |
1126 |
793 |
110 |
15 |
13 |
| VODI |
91 |
592 |
164 |
847 |
794 |
337 |
12 |
3 |
| ODI |
12 |
86 |
25 |
341 |
610 |
636 |
11 |
2 |
| CDI |
0 |
20 |
5 |
138 |
634 |
1569 |
84 |
12 |
| VCDI |
0 |
15 |
19 |
66 |
524 |
3638 |
18577 |
55550 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80409 |
14286 |
870 |
1373 |
1021 |
476 |
120 |
8 |
| OW |
113 |
777 |
224 |
1018 |
550 |
106 |
11 |
11 |
| VODI |
79 |
679 |
175 |
915 |
659 |
308 |
11 |
4 |
| ODI |
28 |
163 |
33 |
350 |
663 |
557 |
12 |
2 |
| CDI |
0 |
20 |
3 |
160 |
691 |
1521 |
95 |
18 |
| VCDI |
0 |
11 |
19 |
76 |
544 |
3768 |
18567 |
55544 |
|
Date: :
| 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 |
78729 |
15892 |
1045 |
1281 |
392 |
231 |
212 |
0 |
| OW |
108 |
447 |
406 |
1300 |
240 |
12 |
9 |
0 |
| VODI |
3 |
97 |
113 |
1348 |
759 |
47 |
13 |
0 |
| ODI |
0 |
10 |
9 |
433 |
1782 |
331 |
19 |
7 |
| CDI |
0 |
7 |
8 |
132 |
935 |
2120 |
156 |
18 |
| VCDI |
0 |
8 |
11 |
93 |
508 |
3918 |
19249 |
54610 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78753 |
14680 |
800 |
1472 |
601 |
311 |
232 |
2 |
| OW |
87 |
906 |
273 |
860 |
529 |
105 |
18 |
7 |
| VODI |
0 |
667 |
299 |
1002 |
1056 |
358 |
21 |
13 |
| ODI |
0 |
130 |
144 |
462 |
726 |
441 |
19 |
7 |
| CDI |
0 |
44 |
48 |
451 |
765 |
998 |
223 |
18 |
| VCDI |
0 |
34 |
28 |
340 |
939 |
4446 |
19145 |
54588 |
|
Date: :
| 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 |
77664 |
14564 |
851 |
1785 |
550 |
294 |
75 |
0 |
| OW |
52 |
549 |
302 |
1198 |
540 |
85 |
1 |
0 |
| VODI |
0 |
317 |
152 |
988 |
1044 |
151 |
1 |
0 |
| ODI |
0 |
78 |
55 |
575 |
958 |
324 |
16 |
0 |
| CDI |
0 |
27 |
19 |
304 |
1047 |
1471 |
86 |
10 |
| VCDI |
0 |
11 |
27 |
208 |
1054 |
6903 |
19134 |
53578 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77664 |
14300 |
746 |
1428 |
775 |
470 |
76 |
0 |
| OW |
52 |
590 |
264 |
996 |
457 |
177 |
4 |
2 |
| VODI |
0 |
346 |
214 |
1221 |
1117 |
536 |
5 |
17 |
| ODI |
0 |
202 |
80 |
630 |
843 |
737 |
14 |
5 |
| CDI |
0 |
65 |
66 |
417 |
704 |
903 |
148 |
10 |
| VCDI |
0 |
43 |
36 |
366 |
1297 |
6405 |
19066 |
53554 |
|
Date: :
| 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 |
78501 |
13199 |
846 |
1362 |
667 |
222 |
115 |
0 |
| OW |
64 |
752 |
201 |
972 |
697 |
67 |
17 |
0 |
| VODI |
0 |
363 |
188 |
902 |
965 |
352 |
26 |
0 |
| ODI |
0 |
103 |
93 |
480 |
725 |
516 |
10 |
0 |
| CDI |
0 |
55 |
46 |
381 |
923 |
1182 |
59 |
5 |
| VCDI |
0 |
30 |
36 |
292 |
1361 |
8666 |
17107 |
54500 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78498 |
12790 |
685 |
1203 |
772 |
331 |
140 |
0 |
| OW |
67 |
866 |
278 |
588 |
588 |
151 |
20 |
0 |
| VODI |
0 |
441 |
203 |
986 |
727 |
448 |
27 |
15 |
| ODI |
0 |
220 |
92 |
636 |
773 |
848 |
31 |
7 |
| CDI |
0 |
141 |
95 |
539 |
852 |
982 |
80 |
9 |
| VCDI |
0 |
44 |
57 |
437 |
1626 |
8245 |
17036 |
54474 |
|
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