Validation of sea ice concentration - Asian sector
Bulletin date: 2023-03-30
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-03-24:
| 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 |
86 |
45 |
94 |
11 |
0 |
0 |
0 |
| OW |
0 |
20 |
3 |
36 |
22 |
0 |
0 |
0 |
| VODI |
0 |
15 |
4 |
14 |
40 |
0 |
0 |
0 |
| ODI |
0 |
5 |
4 |
10 |
35 |
43 |
0 |
0 |
| CDI |
0 |
1 |
8 |
10 |
18 |
91 |
6 |
37 |
| VCDI |
0 |
0 |
0 |
19 |
41 |
717 |
6757 |
23890 |
|
...date precedes bulletin
|
Date: 2023-03-26:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2023-03-28:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2023-03-30:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2023-04-01:
| 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 |
8 |
18 |
72 |
28 |
5 |
0 |
0 |
| OW |
0 |
2 |
0 |
36 |
11 |
16 |
0 |
0 |
| VODI |
0 |
2 |
1 |
36 |
21 |
23 |
0 |
0 |
| ODI |
0 |
0 |
0 |
3 |
41 |
42 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
50 |
70 |
0 |
4 |
| VCDI |
0 |
0 |
0 |
0 |
28 |
507 |
3246 |
27810 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
8 |
18 |
74 |
29 |
5 |
0 |
0 |
| OW |
0 |
2 |
0 |
33 |
11 |
15 |
0 |
0 |
| VODI |
0 |
2 |
1 |
36 |
22 |
30 |
0 |
0 |
| ODI |
0 |
0 |
0 |
5 |
40 |
38 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
51 |
73 |
0 |
10 |
| VCDI |
0 |
0 |
0 |
0 |
26 |
502 |
3246 |
27804 |
|
Date: 2023-04-03:
| 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 |
11 |
9 |
68 |
23 |
8 |
0 |
0 |
| OW |
0 |
0 |
3 |
32 |
19 |
14 |
0 |
0 |
| VODI |
0 |
0 |
0 |
22 |
41 |
18 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
49 |
21 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
35 |
86 |
11 |
94 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
325 |
4498 |
26687 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
11 |
8 |
57 |
26 |
15 |
0 |
0 |
| OW |
0 |
0 |
3 |
24 |
22 |
19 |
0 |
0 |
| VODI |
0 |
0 |
1 |
28 |
29 |
20 |
4 |
0 |
| ODI |
0 |
0 |
0 |
13 |
33 |
24 |
6 |
0 |
| CDI |
0 |
0 |
0 |
0 |
51 |
65 |
23 |
47 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
329 |
4478 |
26734 |
|
Date: 2023-04-05:
| 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 |
21 |
10 |
24 |
44 |
13 |
0 |
0 |
| OW |
0 |
3 |
0 |
17 |
27 |
16 |
0 |
0 |
| VODI |
0 |
0 |
0 |
22 |
30 |
21 |
2 |
0 |
| ODI |
0 |
0 |
0 |
5 |
47 |
25 |
4 |
0 |
| CDI |
0 |
0 |
0 |
0 |
49 |
74 |
27 |
46 |
| VCDI |
0 |
0 |
0 |
0 |
38 |
464 |
2411 |
28642 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
19 |
5 |
15 |
43 |
17 |
0 |
0 |
| OW |
0 |
4 |
5 |
12 |
33 |
24 |
1 |
0 |
| VODI |
0 |
1 |
0 |
16 |
27 |
23 |
7 |
0 |
| ODI |
0 |
0 |
0 |
16 |
39 |
14 |
13 |
0 |
| CDI |
0 |
0 |
0 |
9 |
50 |
79 |
23 |
62 |
| VCDI |
0 |
0 |
0 |
0 |
43 |
456 |
2400 |
28626 |
|
Date: 2023-04-07:
| 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 |
34 |
9 |
14 |
33 |
9 |
0 |
0 |
| OW |
0 |
5 |
7 |
9 |
20 |
23 |
0 |
0 |
| VODI |
0 |
1 |
0 |
21 |
23 |
31 |
4 |
0 |
| ODI |
0 |
0 |
0 |
10 |
34 |
25 |
9 |
0 |
| CDI |
0 |
0 |
0 |
0 |
50 |
75 |
32 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
29 |
649 |
6083 |
24841 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
22 |
0 |
13 |
34 |
13 |
0 |
0 |
| OW |
0 |
11 |
1 |
2 |
22 |
30 |
0 |
0 |
| VODI |
0 |
5 |
11 |
3 |
22 |
24 |
12 |
0 |
| ODI |
0 |
2 |
4 |
11 |
25 |
23 |
11 |
0 |
| CDI |
0 |
0 |
0 |
21 |
47 |
54 |
23 |
3 |
| VCDI |
0 |
0 |
0 |
4 |
39 |
668 |
6082 |
24840 |
|
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