Validation of sea ice concentration - Asian sector
Bulletin date: 2022-10-06
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-09-30:
| 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 |
8866 |
7711 |
27 |
123 |
0 |
0 |
0 |
0 |
| OW |
0 |
899 |
59 |
372 |
245 |
0 |
0 |
0 |
| VODI |
0 |
90 |
47 |
366 |
553 |
49 |
0 |
0 |
| ODI |
0 |
2 |
2 |
133 |
368 |
255 |
1 |
0 |
| CDI |
0 |
0 |
0 |
20 |
341 |
1021 |
258 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
55 |
3192 |
6872 |
155 |
|
...date precedes bulletin
|
Date: 2022-10-02:
| 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 |
8230 |
7783 |
20 |
70 |
1 |
0 |
0 |
0 |
| OW |
3 |
1006 |
83 |
418 |
125 |
1 |
0 |
0 |
| VODI |
0 |
97 |
32 |
412 |
654 |
95 |
0 |
0 |
| ODI |
0 |
4 |
1 |
118 |
363 |
358 |
0 |
0 |
| CDI |
0 |
0 |
0 |
14 |
304 |
691 |
208 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
26 |
1987 |
8188 |
790 |
|
...date precedes bulletin
|
Date: 2022-10-04:
| 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 |
7706 |
8391 |
37 |
84 |
0 |
0 |
0 |
0 |
| OW |
3 |
529 |
74 |
361 |
20 |
0 |
0 |
0 |
| VODI |
0 |
56 |
32 |
585 |
368 |
0 |
0 |
0 |
| ODI |
0 |
1 |
1 |
60 |
936 |
38 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
361 |
952 |
18 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
26 |
2013 |
6869 |
2561 |
|
...date precedes bulletin
|
Date: 2022-10-06:
| 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 |
7526 |
7794 |
42 |
79 |
0 |
0 |
0 |
0 |
| OW |
13 |
724 |
70 |
349 |
91 |
0 |
0 |
0 |
| VODI |
0 |
157 |
39 |
515 |
350 |
46 |
0 |
0 |
| ODI |
0 |
0 |
0 |
132 |
735 |
127 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
492 |
704 |
51 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
86 |
3777 |
6611 |
1569 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7518 |
7788 |
51 |
107 |
0 |
0 |
0 |
0 |
| OW |
21 |
715 |
57 |
301 |
57 |
0 |
0 |
0 |
| VODI |
0 |
172 |
43 |
507 |
377 |
47 |
0 |
0 |
| ODI |
0 |
0 |
0 |
160 |
613 |
130 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
615 |
734 |
49 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
92 |
3743 |
6613 |
1569 |
|
Date: 2022-10-08:
| 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 |
6305 |
7522 |
50 |
145 |
19 |
0 |
0 |
0 |
| OW |
238 |
1065 |
60 |
337 |
144 |
0 |
0 |
0 |
| VODI |
14 |
141 |
32 |
481 |
656 |
71 |
0 |
0 |
| ODI |
0 |
0 |
0 |
33 |
744 |
228 |
4 |
0 |
| CDI |
0 |
0 |
0 |
2 |
340 |
613 |
66 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
26 |
3041 |
8658 |
1047 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6415 |
7522 |
55 |
141 |
33 |
0 |
0 |
0 |
| OW |
128 |
898 |
49 |
346 |
100 |
0 |
0 |
0 |
| VODI |
14 |
308 |
38 |
462 |
711 |
85 |
0 |
0 |
| ODI |
0 |
0 |
0 |
46 |
635 |
261 |
3 |
0 |
| CDI |
0 |
0 |
0 |
3 |
408 |
580 |
61 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
42 |
3027 |
8664 |
1047 |
|
Date: 2022-10-10:
| 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 |
6701 |
6676 |
50 |
208 |
0 |
0 |
0 |
0 |
| OW |
28 |
887 |
58 |
434 |
54 |
0 |
0 |
0 |
| VODI |
15 |
65 |
27 |
519 |
537 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
32 |
1072 |
182 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
265 |
1221 |
35 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
50 |
2318 |
7982 |
2663 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6303 |
6422 |
67 |
296 |
44 |
0 |
0 |
0 |
| OW |
346 |
698 |
31 |
420 |
232 |
8 |
0 |
0 |
| VODI |
91 |
486 |
25 |
360 |
720 |
252 |
0 |
0 |
| ODI |
4 |
22 |
12 |
68 |
522 |
414 |
19 |
0 |
| CDI |
0 |
0 |
0 |
49 |
306 |
574 |
99 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
154 |
2474 |
7899 |
2663 |
|
Date: 2022-10-12:
| 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 |
5800 |
6533 |
46 |
183 |
32 |
0 |
0 |
0 |
| OW |
16 |
940 |
93 |
499 |
169 |
2 |
0 |
0 |
| VODI |
20 |
196 |
25 |
595 |
743 |
65 |
0 |
0 |
| ODI |
0 |
0 |
0 |
19 |
752 |
371 |
2 |
0 |
| CDI |
0 |
0 |
0 |
5 |
283 |
898 |
262 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
38 |
1492 |
7761 |
4242 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5749 |
6055 |
60 |
342 |
109 |
1 |
0 |
0 |
| OW |
54 |
817 |
55 |
380 |
305 |
30 |
0 |
0 |
| VODI |
33 |
747 |
41 |
442 |
675 |
352 |
11 |
0 |
| ODI |
0 |
50 |
8 |
116 |
555 |
404 |
122 |
0 |
| CDI |
0 |
0 |
0 |
21 |
323 |
514 |
250 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
50 |
1527 |
7642 |
4242 |
|
Date: 2022-10-14:
| 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 |
5528 |
6204 |
31 |
110 |
9 |
0 |
0 |
0 |
| OW |
25 |
980 |
74 |
444 |
236 |
36 |
0 |
0 |
| VODI |
24 |
133 |
25 |
436 |
809 |
412 |
7 |
0 |
| ODI |
0 |
6 |
4 |
62 |
441 |
616 |
60 |
0 |
| CDI |
0 |
0 |
0 |
38 |
98 |
831 |
268 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
175 |
1371 |
7486 |
5098 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5440 |
5755 |
52 |
280 |
205 |
60 |
0 |
0 |
| OW |
79 |
763 |
44 |
271 |
338 |
147 |
0 |
0 |
| VODI |
57 |
745 |
26 |
326 |
512 |
621 |
53 |
0 |
| ODI |
1 |
52 |
12 |
149 |
438 |
639 |
270 |
0 |
| CDI |
0 |
8 |
0 |
67 |
151 |
447 |
448 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
124 |
1352 |
7050 |
5098 |
|
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