Validation of sea ice concentration - Asian sector
Bulletin date: 2022-11-24
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-11-18:
| 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 |
712 |
1505 |
33 |
0 |
0 |
0 |
0 |
| OW |
0 |
27 |
112 |
67 |
7 |
0 |
0 |
0 |
| VODI |
0 |
12 |
46 |
90 |
24 |
1 |
0 |
0 |
| ODI |
0 |
4 |
27 |
133 |
19 |
11 |
0 |
0 |
| CDI |
0 |
9 |
8 |
53 |
37 |
116 |
47 |
0 |
| VCDI |
0 |
6 |
18 |
91 |
268 |
2055 |
12617 |
13927 |
|
...date precedes bulletin
|
Date: 2022-11-20:
| 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 |
1 |
1418 |
660 |
6 |
4 |
0 |
0 |
0 |
| OW |
0 |
57 |
114 |
36 |
30 |
0 |
0 |
0 |
| VODI |
0 |
24 |
49 |
80 |
38 |
4 |
0 |
0 |
| ODI |
0 |
8 |
11 |
33 |
47 |
27 |
0 |
0 |
| CDI |
0 |
6 |
3 |
18 |
62 |
128 |
23 |
17 |
| VCDI |
0 |
5 |
16 |
58 |
94 |
1313 |
12502 |
15190 |
|
...date precedes bulletin
|
Date: 2022-11-22:
| 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 |
1702 |
262 |
29 |
5 |
0 |
0 |
0 |
| OW |
0 |
89 |
72 |
22 |
10 |
0 |
0 |
0 |
| VODI |
0 |
33 |
70 |
85 |
56 |
9 |
0 |
0 |
| ODI |
0 |
23 |
9 |
39 |
70 |
37 |
0 |
0 |
| CDI |
0 |
10 |
10 |
2 |
39 |
148 |
16 |
2 |
| VCDI |
0 |
7 |
42 |
40 |
62 |
726 |
8375 |
19981 |
|
...date precedes bulletin
|
Date: 2022-11-24:
| 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 |
148 |
1614 |
51 |
45 |
37 |
7 |
0 |
0 |
| OW |
0 |
104 |
43 |
30 |
13 |
6 |
0 |
0 |
| VODI |
0 |
44 |
40 |
71 |
64 |
31 |
0 |
0 |
| ODI |
0 |
22 |
6 |
53 |
51 |
62 |
0 |
0 |
| CDI |
0 |
12 |
4 |
11 |
49 |
151 |
53 |
0 |
| VCDI |
0 |
11 |
26 |
46 |
49 |
957 |
9024 |
19147 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
148 |
1619 |
58 |
44 |
39 |
7 |
0 |
0 |
| OW |
0 |
86 |
35 |
30 |
11 |
4 |
0 |
0 |
| VODI |
0 |
54 |
40 |
65 |
64 |
27 |
0 |
0 |
| ODI |
0 |
23 |
7 |
56 |
51 |
73 |
2 |
0 |
| CDI |
0 |
14 |
4 |
16 |
48 |
150 |
57 |
0 |
| VCDI |
0 |
11 |
26 |
45 |
50 |
953 |
9018 |
19147 |
|
Date: 2022-11-26:
| 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 |
1696 |
106 |
48 |
63 |
1 |
0 |
0 |
| OW |
0 |
144 |
25 |
23 |
10 |
8 |
0 |
0 |
| VODI |
0 |
78 |
47 |
36 |
35 |
20 |
0 |
0 |
| ODI |
0 |
16 |
27 |
63 |
37 |
60 |
0 |
0 |
| CDI |
0 |
14 |
9 |
35 |
56 |
135 |
34 |
4 |
| VCDI |
0 |
21 |
33 |
46 |
79 |
939 |
12292 |
15842 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1719 |
106 |
46 |
63 |
0 |
0 |
0 |
| OW |
0 |
107 |
24 |
21 |
8 |
6 |
0 |
0 |
| VODI |
0 |
87 |
44 |
40 |
34 |
15 |
0 |
0 |
| ODI |
0 |
18 |
30 |
57 |
40 |
63 |
0 |
0 |
| CDI |
0 |
17 |
10 |
39 |
48 |
128 |
30 |
4 |
| VCDI |
0 |
21 |
33 |
48 |
87 |
951 |
12296 |
15842 |
|
Date: 2022-11-28:
| 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 |
1620 |
264 |
68 |
75 |
1 |
0 |
0 |
| OW |
0 |
75 |
41 |
30 |
9 |
9 |
0 |
0 |
| VODI |
0 |
23 |
34 |
80 |
31 |
18 |
1 |
0 |
| ODI |
0 |
9 |
3 |
43 |
97 |
53 |
21 |
0 |
| CDI |
0 |
6 |
1 |
22 |
28 |
162 |
120 |
4 |
| VCDI |
0 |
0 |
6 |
37 |
51 |
353 |
12341 |
16346 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1511 |
260 |
64 |
71 |
0 |
0 |
0 |
| OW |
0 |
111 |
18 |
19 |
19 |
12 |
0 |
0 |
| VODI |
0 |
75 |
32 |
43 |
37 |
25 |
4 |
0 |
| ODI |
0 |
24 |
25 |
46 |
57 |
56 |
19 |
0 |
| CDI |
0 |
11 |
7 |
42 |
28 |
76 |
93 |
12 |
| VCDI |
0 |
1 |
7 |
66 |
79 |
427 |
12367 |
16338 |
|
Date: 2022-11-30:
| 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 |
0 |
1773 |
82 |
70 |
63 |
5 |
0 |
0 |
| OW |
0 |
95 |
54 |
43 |
8 |
12 |
0 |
0 |
| VODI |
0 |
27 |
50 |
68 |
42 |
20 |
1 |
0 |
| ODI |
0 |
12 |
14 |
43 |
46 |
91 |
12 |
0 |
| CDI |
0 |
7 |
14 |
20 |
60 |
188 |
87 |
8 |
| VCDI |
0 |
0 |
24 |
42 |
60 |
702 |
11281 |
16958 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1697 |
74 |
63 |
65 |
14 |
0 |
0 |
| OW |
0 |
116 |
36 |
44 |
15 |
17 |
0 |
0 |
| VODI |
0 |
63 |
53 |
56 |
44 |
38 |
4 |
0 |
| ODI |
0 |
21 |
26 |
47 |
34 |
106 |
6 |
0 |
| CDI |
0 |
17 |
15 |
25 |
38 |
98 |
62 |
0 |
| VCDI |
0 |
0 |
34 |
51 |
83 |
745 |
11309 |
16966 |
|
Date: 2022-12-02:
| 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 |
1767 |
121 |
55 |
85 |
0 |
0 |
0 |
| OW |
0 |
120 |
47 |
42 |
23 |
0 |
0 |
0 |
| VODI |
0 |
62 |
50 |
58 |
58 |
17 |
0 |
0 |
| ODI |
0 |
15 |
45 |
42 |
63 |
96 |
4 |
0 |
| CDI |
0 |
9 |
32 |
37 |
68 |
222 |
70 |
8 |
| VCDI |
0 |
3 |
43 |
72 |
168 |
1043 |
14219 |
13318 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1648 |
119 |
64 |
87 |
0 |
0 |
0 |
| OW |
0 |
182 |
33 |
36 |
35 |
3 |
0 |
0 |
| VODI |
0 |
91 |
53 |
43 |
49 |
60 |
0 |
0 |
| ODI |
0 |
31 |
30 |
33 |
51 |
82 |
12 |
0 |
| CDI |
0 |
21 |
36 |
36 |
58 |
121 |
61 |
0 |
| VCDI |
0 |
3 |
67 |
94 |
185 |
1112 |
14220 |
13326 |
|
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