Validation of sea ice concentration - Asian sector
Bulletin date: 2022-01-06
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-12-31:
| 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 |
0 |
89 |
27 |
32 |
37 |
0 |
0 |
0 |
| OW |
0 |
33 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
38 |
1 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
23 |
5 |
0 |
0 |
0 |
0 |
0 |
| CDI |
0 |
16 |
18 |
6 |
0 |
9 |
25 |
0 |
| VCDI |
0 |
19 |
87 |
207 |
62 |
232 |
7579 |
23537 |
|
...date precedes bulletin
|
Date: 2022-01-02:
| 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 |
0 |
62 |
30 |
28 |
21 |
2 |
0 |
0 |
| OW |
0 |
29 |
6 |
5 |
11 |
0 |
0 |
0 |
| VODI |
0 |
28 |
9 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
16 |
15 |
1 |
3 |
0 |
0 |
0 |
| CDI |
0 |
16 |
23 |
18 |
28 |
5 |
8 |
2 |
| VCDI |
0 |
16 |
111 |
243 |
138 |
257 |
6599 |
24352 |
|
...date precedes bulletin
|
Date: 2022-01-04:
| 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 |
0 |
33 |
49 |
65 |
27 |
6 |
0 |
0 |
| OW |
0 |
10 |
7 |
5 |
4 |
0 |
0 |
0 |
| VODI |
0 |
17 |
5 |
12 |
3 |
0 |
0 |
0 |
| ODI |
0 |
8 |
5 |
10 |
5 |
1 |
0 |
0 |
| CDI |
0 |
10 |
12 |
38 |
50 |
15 |
47 |
17 |
| VCDI |
0 |
9 |
24 |
174 |
235 |
407 |
9194 |
21578 |
|
...date precedes bulletin
|
Date: 2022-01-06:
| 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 |
0 |
10 |
49 |
42 |
8 |
2 |
0 |
0 |
| OW |
0 |
8 |
9 |
18 |
24 |
5 |
0 |
0 |
| VODI |
0 |
12 |
6 |
9 |
7 |
0 |
0 |
0 |
| ODI |
0 |
7 |
6 |
7 |
9 |
2 |
0 |
0 |
| CDI |
0 |
5 |
8 |
12 |
29 |
49 |
18 |
0 |
| VCDI |
0 |
1 |
13 |
67 |
256 |
942 |
12054 |
18388 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
10 |
49 |
49 |
14 |
6 |
0 |
0 |
| OW |
0 |
8 |
9 |
9 |
20 |
1 |
0 |
0 |
| VODI |
0 |
11 |
4 |
10 |
5 |
0 |
0 |
0 |
| ODI |
0 |
6 |
8 |
6 |
5 |
2 |
0 |
0 |
| CDI |
0 |
7 |
7 |
12 |
34 |
47 |
17 |
0 |
| VCDI |
0 |
1 |
14 |
69 |
255 |
944 |
12055 |
18388 |
|
Date: 2022-01-08:
| 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 |
0 |
9 |
46 |
26 |
3 |
1 |
0 |
0 |
| OW |
0 |
5 |
13 |
27 |
13 |
2 |
0 |
0 |
| VODI |
0 |
5 |
13 |
16 |
18 |
3 |
0 |
0 |
| ODI |
0 |
4 |
10 |
10 |
6 |
0 |
0 |
0 |
| CDI |
0 |
1 |
9 |
14 |
15 |
26 |
7 |
0 |
| VCDI |
0 |
0 |
1 |
40 |
160 |
630 |
12922 |
18027 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
8 |
42 |
24 |
4 |
2 |
0 |
0 |
| OW |
0 |
4 |
15 |
26 |
11 |
2 |
0 |
0 |
| VODI |
0 |
7 |
15 |
13 |
18 |
2 |
0 |
0 |
| ODI |
0 |
4 |
8 |
11 |
5 |
0 |
0 |
0 |
| CDI |
0 |
1 |
7 |
15 |
14 |
24 |
6 |
0 |
| VCDI |
0 |
0 |
5 |
44 |
163 |
632 |
12923 |
18027 |
|
Date: 2022-01-10:
| 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 |
0 |
33 |
28 |
13 |
0 |
0 |
0 |
0 |
| OW |
0 |
9 |
7 |
34 |
8 |
0 |
0 |
0 |
| VODI |
0 |
6 |
12 |
25 |
15 |
3 |
0 |
0 |
| ODI |
0 |
4 |
8 |
8 |
13 |
2 |
0 |
0 |
| CDI |
0 |
3 |
8 |
12 |
9 |
49 |
59 |
11 |
| VCDI |
0 |
0 |
2 |
31 |
129 |
597 |
12200 |
18744 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
25 |
20 |
10 |
0 |
0 |
0 |
0 |
| OW |
0 |
7 |
8 |
17 |
4 |
0 |
0 |
0 |
| VODI |
0 |
12 |
12 |
25 |
10 |
2 |
0 |
0 |
| ODI |
0 |
7 |
7 |
13 |
11 |
3 |
0 |
0 |
| CDI |
0 |
3 |
9 |
12 |
6 |
56 |
61 |
4 |
| VCDI |
0 |
1 |
9 |
46 |
143 |
590 |
12198 |
18751 |
|
Date: 2022-01-12:
| 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 |
0 |
16 |
14 |
34 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
6 |
37 |
8 |
0 |
0 |
0 |
| VODI |
0 |
0 |
1 |
48 |
22 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
21 |
20 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
10 |
23 |
9 |
7 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
97 |
422 |
9330 |
21951 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
9 |
9 |
13 |
0 |
0 |
0 |
0 |
| OW |
0 |
5 |
3 |
20 |
4 |
0 |
0 |
0 |
| VODI |
0 |
2 |
5 |
34 |
8 |
0 |
0 |
0 |
| ODI |
0 |
0 |
4 |
33 |
16 |
1 |
0 |
0 |
| CDI |
0 |
0 |
0 |
35 |
11 |
24 |
41 |
2 |
| VCDI |
0 |
0 |
0 |
21 |
131 |
406 |
9296 |
21949 |
|
Date: 2022-01-14:
| 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 |
0 |
27 |
14 |
15 |
2 |
0 |
0 |
0 |
| OW |
0 |
21 |
16 |
9 |
6 |
0 |
0 |
0 |
| VODI |
0 |
13 |
30 |
22 |
4 |
3 |
0 |
0 |
| ODI |
0 |
18 |
9 |
11 |
19 |
7 |
0 |
0 |
| CDI |
0 |
11 |
16 |
17 |
18 |
38 |
30 |
0 |
| VCDI |
0 |
11 |
19 |
91 |
196 |
670 |
12329 |
18390 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
17 |
1 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
10 |
5 |
4 |
2 |
0 |
0 |
0 |
| VODI |
0 |
7 |
16 |
17 |
5 |
0 |
0 |
0 |
| ODI |
0 |
11 |
14 |
11 |
6 |
3 |
0 |
0 |
| CDI |
0 |
15 |
18 |
9 |
18 |
8 |
39 |
7 |
| VCDI |
0 |
41 |
50 |
121 |
214 |
707 |
12320 |
18383 |
|
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