Validation of sea ice concentration - Asian sector
Bulletin date: 2021-10-14
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-10-08:
| 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 |
7429 |
9023 |
72 |
388 |
24 |
2 |
0 |
0 |
| OW |
3 |
883 |
110 |
598 |
283 |
19 |
0 |
0 |
| VODI |
0 |
91 |
28 |
312 |
529 |
229 |
0 |
0 |
| ODI |
0 |
0 |
2 |
104 |
356 |
357 |
69 |
0 |
| CDI |
0 |
0 |
0 |
22 |
298 |
445 |
124 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
73 |
1818 |
5653 |
2738 |
|
...date precedes bulletin
|
Date: 2021-10-10:
| 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 |
7193 |
7955 |
53 |
307 |
70 |
0 |
0 |
0 |
| OW |
22 |
1585 |
87 |
586 |
315 |
23 |
0 |
0 |
| VODI |
0 |
135 |
49 |
352 |
579 |
274 |
0 |
0 |
| ODI |
0 |
6 |
5 |
154 |
318 |
443 |
27 |
0 |
| CDI |
0 |
0 |
0 |
60 |
313 |
465 |
167 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
128 |
1338 |
4700 |
4373 |
|
...date precedes bulletin
|
Date: 2021-10-12:
| 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 |
5964 |
9026 |
116 |
417 |
82 |
0 |
0 |
0 |
| OW |
19 |
754 |
87 |
676 |
233 |
9 |
0 |
0 |
| VODI |
0 |
34 |
10 |
451 |
691 |
53 |
0 |
0 |
| ODI |
0 |
0 |
0 |
51 |
580 |
292 |
7 |
0 |
| CDI |
0 |
0 |
0 |
1 |
281 |
1111 |
122 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
1014 |
5357 |
4626 |
|
...date precedes bulletin
|
Date: 2021-10-14:
| 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 |
5143 |
8091 |
68 |
271 |
119 |
8 |
0 |
0 |
| OW |
34 |
1158 |
132 |
890 |
398 |
25 |
0 |
0 |
| VODI |
14 |
16 |
23 |
805 |
645 |
224 |
1 |
0 |
| ODI |
0 |
0 |
0 |
67 |
457 |
353 |
64 |
0 |
| CDI |
0 |
0 |
0 |
1 |
390 |
739 |
315 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
1032 |
5802 |
4780 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5162 |
8166 |
90 |
422 |
230 |
16 |
0 |
0 |
| OW |
12 |
1015 |
98 |
709 |
373 |
21 |
0 |
0 |
| VODI |
17 |
84 |
35 |
825 |
557 |
271 |
16 |
0 |
| ODI |
0 |
0 |
0 |
77 |
480 |
321 |
147 |
0 |
| CDI |
0 |
0 |
0 |
1 |
366 |
742 |
400 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
20 |
1010 |
5619 |
4780 |
|
Date: 2021-10-16:
| 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 |
4945 |
7005 |
79 |
301 |
65 |
0 |
0 |
0 |
| OW |
2 |
967 |
95 |
763 |
603 |
64 |
0 |
0 |
| VODI |
0 |
203 |
50 |
583 |
1175 |
328 |
3 |
0 |
| ODI |
0 |
5 |
9 |
140 |
636 |
453 |
76 |
0 |
| CDI |
0 |
0 |
0 |
31 |
436 |
569 |
227 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
131 |
1995 |
5377 |
4766 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4944 |
7213 |
89 |
374 |
150 |
0 |
0 |
0 |
| OW |
3 |
746 |
89 |
664 |
500 |
84 |
0 |
0 |
| VODI |
0 |
216 |
48 |
605 |
1212 |
346 |
5 |
0 |
| ODI |
0 |
5 |
7 |
142 |
681 |
424 |
115 |
0 |
| CDI |
0 |
0 |
0 |
33 |
379 |
659 |
263 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
124 |
1896 |
5300 |
4766 |
|
Date: 2021-10-18:
| 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 |
3996 |
6774 |
111 |
379 |
12 |
0 |
0 |
0 |
| OW |
2 |
582 |
89 |
653 |
132 |
0 |
0 |
0 |
| VODI |
0 |
72 |
23 |
490 |
686 |
42 |
0 |
0 |
| ODI |
0 |
10 |
7 |
80 |
1326 |
496 |
0 |
0 |
| CDI |
0 |
3 |
3 |
26 |
438 |
2132 |
249 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
119 |
2455 |
5772 |
4915 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3996 |
6259 |
123 |
610 |
152 |
12 |
0 |
0 |
| OW |
2 |
844 |
55 |
501 |
488 |
170 |
0 |
0 |
| VODI |
0 |
308 |
34 |
331 |
1122 |
874 |
54 |
0 |
| ODI |
0 |
27 |
14 |
111 |
532 |
817 |
274 |
0 |
| CDI |
0 |
3 |
6 |
60 |
229 |
786 |
556 |
0 |
| VCDI |
0 |
0 |
1 |
23 |
190 |
2466 |
5137 |
4915 |
|
Date: 2021-10-20:
| 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 |
3827 |
4383 |
98 |
510 |
180 |
0 |
0 |
0 |
| OW |
11 |
815 |
83 |
663 |
841 |
45 |
0 |
0 |
| VODI |
0 |
84 |
27 |
446 |
886 |
276 |
0 |
0 |
| ODI |
0 |
13 |
5 |
161 |
526 |
753 |
22 |
0 |
| CDI |
0 |
0 |
2 |
100 |
404 |
1411 |
299 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
394 |
1989 |
7056 |
5768 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3836 |
4271 |
89 |
579 |
446 |
62 |
0 |
0 |
| OW |
2 |
790 |
75 |
488 |
717 |
245 |
0 |
0 |
| VODI |
0 |
221 |
42 |
539 |
928 |
865 |
56 |
0 |
| ODI |
0 |
13 |
9 |
177 |
401 |
1145 |
576 |
0 |
| CDI |
0 |
0 |
0 |
101 |
420 |
576 |
816 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
319 |
1581 |
5929 |
5768 |
|
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 |
3023 |
3029 |
73 |
431 |
115 |
1 |
0 |
0 |
| OW |
0 |
390 |
72 |
913 |
1267 |
422 |
0 |
0 |
| VODI |
0 |
83 |
20 |
306 |
1079 |
918 |
57 |
0 |
| ODI |
0 |
17 |
6 |
119 |
394 |
800 |
87 |
0 |
| CDI |
0 |
4 |
2 |
69 |
314 |
1016 |
456 |
2 |
| VCDI |
0 |
0 |
0 |
15 |
439 |
1867 |
6831 |
7445 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3023 |
2817 |
78 |
669 |
729 |
202 |
0 |
0 |
| OW |
0 |
421 |
45 |
491 |
874 |
498 |
38 |
0 |
| VODI |
0 |
244 |
37 |
458 |
867 |
1038 |
224 |
0 |
| ODI |
0 |
26 |
10 |
122 |
369 |
971 |
788 |
14 |
| CDI |
0 |
15 |
3 |
90 |
313 |
668 |
979 |
88 |
| VCDI |
0 |
0 |
0 |
23 |
456 |
1647 |
5402 |
7345 |
|
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