Validation of sea ice concentration - Asian sector
Bulletin date: 2024-01-11
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-01-05:
| 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 |
236 |
5 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
35 |
4 |
6 |
1 |
0 |
0 |
0 |
| VODI |
0 |
32 |
8 |
10 |
7 |
0 |
0 |
0 |
| ODI |
0 |
29 |
13 |
15 |
11 |
10 |
0 |
0 |
| CDI |
0 |
21 |
11 |
34 |
56 |
72 |
59 |
4 |
| VCDI |
0 |
104 |
30 |
82 |
145 |
1140 |
8646 |
21254 |
|
...date precedes bulletin
|
Date: 2024-01-07:
| 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 |
201 |
2 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
33 |
3 |
9 |
1 |
0 |
0 |
0 |
| VODI |
0 |
38 |
8 |
11 |
6 |
0 |
0 |
0 |
| ODI |
0 |
22 |
9 |
12 |
30 |
4 |
0 |
0 |
| CDI |
0 |
31 |
15 |
35 |
79 |
88 |
66 |
0 |
| VCDI |
0 |
88 |
35 |
132 |
299 |
1890 |
8281 |
20653 |
|
...date precedes bulletin
|
Date: 2024-01-09:
| 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 |
195 |
7 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
30 |
5 |
10 |
0 |
0 |
0 |
0 |
| VODI |
0 |
31 |
11 |
22 |
7 |
0 |
0 |
0 |
| ODI |
0 |
10 |
12 |
22 |
13 |
0 |
0 |
0 |
| CDI |
0 |
0 |
4 |
20 |
30 |
14 |
23 |
1 |
| VCDI |
0 |
0 |
1 |
48 |
183 |
1356 |
5994 |
24029 |
|
...date precedes bulletin
|
Date: 2024-01-11:
| 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 |
127 |
20 |
20 |
1 |
0 |
0 |
0 |
| OW |
0 |
21 |
4 |
8 |
4 |
0 |
0 |
0 |
| VODI |
0 |
13 |
8 |
14 |
7 |
0 |
0 |
0 |
| ODI |
0 |
13 |
2 |
17 |
12 |
2 |
0 |
0 |
| CDI |
0 |
4 |
2 |
20 |
38 |
22 |
31 |
48 |
| VCDI |
0 |
0 |
0 |
5 |
67 |
798 |
7734 |
23020 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
128 |
20 |
20 |
1 |
0 |
0 |
0 |
| OW |
0 |
21 |
4 |
8 |
5 |
0 |
0 |
0 |
| VODI |
0 |
13 |
7 |
13 |
6 |
0 |
0 |
0 |
| ODI |
0 |
13 |
3 |
15 |
12 |
2 |
0 |
0 |
| CDI |
0 |
3 |
2 |
22 |
38 |
24 |
31 |
39 |
| VCDI |
0 |
0 |
0 |
6 |
67 |
796 |
7734 |
23029 |
|
Date: 2024-01-13:
| 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 |
45 |
30 |
63 |
12 |
0 |
0 |
0 |
| OW |
0 |
10 |
5 |
15 |
3 |
0 |
0 |
0 |
| VODI |
0 |
8 |
2 |
11 |
12 |
1 |
0 |
0 |
| ODI |
0 |
6 |
6 |
7 |
13 |
3 |
0 |
0 |
| CDI |
0 |
7 |
2 |
12 |
18 |
14 |
44 |
7 |
| VCDI |
0 |
0 |
1 |
5 |
44 |
213 |
6838 |
24625 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
44 |
30 |
64 |
12 |
0 |
0 |
0 |
| OW |
0 |
10 |
5 |
14 |
3 |
0 |
0 |
0 |
| VODI |
0 |
9 |
2 |
13 |
12 |
1 |
0 |
0 |
| ODI |
0 |
10 |
5 |
5 |
13 |
3 |
0 |
0 |
| CDI |
0 |
3 |
4 |
15 |
18 |
19 |
51 |
10 |
| VCDI |
0 |
0 |
0 |
2 |
44 |
208 |
6831 |
24622 |
|
Date: 2024-01-15:
| 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 |
28 |
19 |
38 |
72 |
0 |
0 |
0 |
| OW |
0 |
9 |
8 |
11 |
3 |
0 |
0 |
0 |
| VODI |
0 |
11 |
4 |
7 |
12 |
0 |
0 |
0 |
| ODI |
0 |
1 |
3 |
6 |
12 |
1 |
0 |
0 |
| CDI |
0 |
0 |
0 |
12 |
21 |
36 |
6 |
3 |
| VCDI |
0 |
0 |
0 |
4 |
46 |
394 |
5966 |
25349 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
17 |
15 |
32 |
66 |
0 |
0 |
0 |
| OW |
0 |
15 |
5 |
6 |
8 |
0 |
0 |
0 |
| VODI |
0 |
8 |
9 |
11 |
6 |
0 |
0 |
0 |
| ODI |
0 |
8 |
2 |
7 |
11 |
0 |
0 |
0 |
| CDI |
0 |
1 |
3 |
13 |
20 |
19 |
6 |
9 |
| VCDI |
0 |
0 |
0 |
9 |
55 |
412 |
5966 |
25343 |
|
Date: 2024-01-17:
| 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 |
22 |
20 |
29 |
61 |
9 |
0 |
0 |
| OW |
0 |
15 |
3 |
8 |
5 |
0 |
0 |
0 |
| VODI |
0 |
17 |
3 |
2 |
4 |
0 |
0 |
0 |
| ODI |
0 |
16 |
3 |
3 |
4 |
1 |
0 |
0 |
| CDI |
0 |
11 |
5 |
13 |
17 |
16 |
4 |
6 |
| VCDI |
0 |
12 |
12 |
30 |
74 |
362 |
5993 |
25302 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
17 |
15 |
22 |
53 |
9 |
0 |
0 |
| OW |
0 |
11 |
7 |
12 |
11 |
0 |
0 |
0 |
| VODI |
0 |
20 |
3 |
5 |
7 |
0 |
0 |
0 |
| ODI |
0 |
17 |
3 |
2 |
6 |
0 |
0 |
0 |
| CDI |
0 |
16 |
3 |
11 |
11 |
9 |
7 |
23 |
| VCDI |
0 |
12 |
15 |
33 |
77 |
370 |
5990 |
25285 |
|
Date: 2024-01-19:
| 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 |
29 |
8 |
30 |
27 |
10 |
0 |
0 |
| OW |
0 |
24 |
7 |
6 |
18 |
0 |
0 |
0 |
| VODI |
0 |
22 |
8 |
5 |
0 |
0 |
0 |
0 |
| ODI |
0 |
18 |
4 |
4 |
0 |
7 |
3 |
0 |
| CDI |
0 |
22 |
1 |
0 |
2 |
50 |
103 |
11 |
| VCDI |
0 |
104 |
10 |
47 |
67 |
617 |
8664 |
22154 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
18 |
6 |
29 |
25 |
10 |
0 |
0 |
| OW |
0 |
26 |
8 |
4 |
20 |
0 |
0 |
0 |
| VODI |
0 |
22 |
7 |
7 |
0 |
0 |
0 |
0 |
| ODI |
0 |
20 |
4 |
5 |
0 |
3 |
0 |
0 |
| CDI |
0 |
19 |
3 |
4 |
9 |
37 |
4 |
2 |
| VCDI |
0 |
114 |
10 |
43 |
60 |
634 |
8766 |
22163 |
|
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