Validation of sea ice concentration - Asian sector
Bulletin date: 2022-01-13
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-01-07:
| 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 |
3 |
21 |
65 |
7 |
2 |
0 |
0 |
| OW |
0 |
5 |
11 |
25 |
20 |
3 |
0 |
0 |
| VODI |
0 |
6 |
5 |
12 |
11 |
7 |
0 |
0 |
| ODI |
0 |
3 |
4 |
15 |
3 |
1 |
0 |
0 |
| CDI |
0 |
0 |
3 |
19 |
13 |
67 |
13 |
0 |
| VCDI |
0 |
0 |
0 |
33 |
164 |
577 |
8864 |
22100 |
|
...date precedes bulletin
|
Date: 2022-01-09:
| 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 |
22 |
24 |
20 |
1 |
0 |
0 |
0 |
| OW |
0 |
17 |
9 |
23 |
6 |
3 |
0 |
0 |
| VODI |
0 |
12 |
6 |
19 |
17 |
8 |
0 |
0 |
| ODI |
0 |
9 |
8 |
6 |
5 |
0 |
0 |
0 |
| CDI |
0 |
8 |
8 |
7 |
10 |
28 |
12 |
0 |
| VCDI |
0 |
6 |
19 |
69 |
144 |
787 |
13125 |
17644 |
|
...date precedes bulletin
|
Date: 2022-01-11:
| 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 |
29 |
28 |
1 |
0 |
0 |
0 |
| OW |
0 |
0 |
11 |
33 |
6 |
0 |
0 |
0 |
| VODI |
0 |
0 |
11 |
32 |
18 |
3 |
0 |
0 |
| ODI |
0 |
0 |
5 |
11 |
17 |
1 |
0 |
0 |
| CDI |
0 |
0 |
0 |
13 |
12 |
26 |
44 |
36 |
| VCDI |
0 |
0 |
0 |
7 |
82 |
398 |
9685 |
21557 |
|
...date precedes bulletin
|
Date: 2022-01-13:
| 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 |
32 |
15 |
21 |
0 |
0 |
0 |
0 |
| OW |
0 |
11 |
11 |
23 |
3 |
0 |
0 |
0 |
| VODI |
0 |
13 |
20 |
32 |
11 |
0 |
0 |
0 |
| ODI |
0 |
4 |
14 |
13 |
16 |
2 |
0 |
0 |
| CDI |
0 |
3 |
13 |
16 |
18 |
17 |
30 |
0 |
| VCDI |
0 |
0 |
17 |
57 |
117 |
627 |
10555 |
20371 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
32 |
15 |
24 |
0 |
0 |
0 |
0 |
| OW |
0 |
11 |
10 |
21 |
3 |
0 |
0 |
0 |
| VODI |
0 |
13 |
20 |
29 |
10 |
0 |
0 |
0 |
| ODI |
0 |
5 |
15 |
11 |
16 |
2 |
0 |
0 |
| CDI |
0 |
2 |
13 |
17 |
18 |
18 |
34 |
3 |
| VCDI |
0 |
0 |
17 |
60 |
118 |
626 |
10551 |
20368 |
|
Date: 2022-01-15:
| 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 |
20 |
16 |
16 |
2 |
0 |
0 |
0 |
| OW |
0 |
9 |
21 |
12 |
8 |
0 |
0 |
0 |
| VODI |
0 |
20 |
25 |
20 |
6 |
3 |
0 |
0 |
| ODI |
0 |
27 |
8 |
4 |
17 |
13 |
0 |
0 |
| CDI |
0 |
23 |
17 |
15 |
13 |
61 |
82 |
7 |
| VCDI |
0 |
24 |
46 |
149 |
195 |
754 |
11926 |
18523 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
23 |
19 |
19 |
3 |
0 |
0 |
0 |
| OW |
0 |
6 |
20 |
13 |
7 |
0 |
0 |
0 |
| VODI |
0 |
20 |
21 |
15 |
6 |
3 |
0 |
0 |
| ODI |
0 |
24 |
9 |
4 |
17 |
14 |
0 |
0 |
| CDI |
0 |
26 |
14 |
13 |
14 |
63 |
78 |
5 |
| VCDI |
0 |
24 |
50 |
152 |
194 |
751 |
11930 |
18525 |
|
Date: 2022-01-17:
| 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 |
41 |
24 |
30 |
11 |
1 |
0 |
0 |
| OW |
0 |
34 |
29 |
11 |
9 |
1 |
0 |
0 |
| VODI |
0 |
29 |
21 |
17 |
7 |
0 |
0 |
0 |
| ODI |
0 |
20 |
13 |
6 |
1 |
4 |
0 |
0 |
| CDI |
0 |
20 |
8 |
14 |
32 |
58 |
30 |
6 |
| VCDI |
0 |
75 |
83 |
159 |
236 |
855 |
10685 |
19512 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
30 |
17 |
15 |
2 |
0 |
0 |
0 |
| OW |
0 |
7 |
18 |
17 |
9 |
0 |
0 |
0 |
| VODI |
0 |
13 |
17 |
18 |
11 |
2 |
0 |
0 |
| ODI |
0 |
35 |
11 |
10 |
10 |
16 |
2 |
0 |
| CDI |
0 |
28 |
14 |
4 |
43 |
81 |
34 |
10 |
| VCDI |
0 |
106 |
101 |
173 |
221 |
820 |
10679 |
19508 |
|
Date: 2022-01-19:
| 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 |
47 |
9 |
30 |
17 |
0 |
0 |
0 |
| OW |
0 |
9 |
10 |
37 |
12 |
0 |
0 |
0 |
| VODI |
0 |
13 |
17 |
30 |
15 |
0 |
0 |
0 |
| ODI |
0 |
15 |
18 |
8 |
5 |
5 |
0 |
0 |
| CDI |
0 |
16 |
10 |
14 |
26 |
50 |
27 |
5 |
| VCDI |
0 |
100 |
46 |
126 |
217 |
701 |
12632 |
17815 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
35 |
6 |
16 |
7 |
0 |
0 |
0 |
| OW |
0 |
10 |
3 |
17 |
12 |
0 |
0 |
0 |
| VODI |
0 |
13 |
4 |
31 |
23 |
0 |
0 |
0 |
| ODI |
0 |
9 |
7 |
25 |
8 |
22 |
2 |
0 |
| CDI |
0 |
9 |
25 |
10 |
31 |
41 |
49 |
12 |
| VCDI |
0 |
124 |
65 |
146 |
211 |
693 |
12608 |
17808 |
|
Date: 2022-01-21:
| 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 |
32 |
12 |
10 |
23 |
0 |
0 |
0 |
| OW |
0 |
11 |
4 |
6 |
31 |
2 |
0 |
0 |
| VODI |
0 |
9 |
4 |
20 |
30 |
9 |
0 |
0 |
| ODI |
0 |
11 |
3 |
25 |
27 |
6 |
0 |
0 |
| CDI |
0 |
11 |
11 |
21 |
27 |
50 |
7 |
12 |
| VCDI |
0 |
77 |
39 |
104 |
198 |
645 |
9823 |
20782 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
25 |
7 |
9 |
19 |
0 |
0 |
0 |
| OW |
0 |
8 |
5 |
5 |
20 |
1 |
0 |
0 |
| VODI |
0 |
8 |
5 |
4 |
32 |
9 |
0 |
0 |
| ODI |
0 |
10 |
6 |
7 |
26 |
7 |
3 |
0 |
| CDI |
0 |
15 |
6 |
34 |
41 |
45 |
37 |
1 |
| VCDI |
0 |
85 |
44 |
127 |
198 |
650 |
9790 |
20793 |
|
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