Validation of sea ice concentration - Asian sector
Bulletin date: 2022-11-17
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-11-11:
| 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 |
14 |
2126 |
318 |
54 |
18 |
3 |
0 |
0 |
| OW |
2 |
60 |
42 |
82 |
41 |
10 |
0 |
0 |
| VODI |
0 |
4 |
15 |
42 |
81 |
47 |
0 |
0 |
| ODI |
0 |
3 |
2 |
11 |
62 |
93 |
1 |
0 |
| CDI |
0 |
0 |
11 |
35 |
80 |
247 |
117 |
0 |
| VCDI |
0 |
0 |
0 |
11 |
63 |
2375 |
14962 |
11050 |
|
...date precedes bulletin
|
Date: 2022-11-13:
| 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 |
21 |
2108 |
181 |
13 |
4 |
1 |
0 |
0 |
| OW |
0 |
150 |
55 |
69 |
18 |
6 |
0 |
0 |
| VODI |
0 |
29 |
33 |
56 |
92 |
33 |
0 |
0 |
| ODI |
0 |
2 |
3 |
17 |
44 |
90 |
5 |
0 |
| CDI |
0 |
0 |
5 |
24 |
29 |
230 |
129 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
52 |
1293 |
17944 |
9333 |
|
...date precedes bulletin
|
Date: 2022-11-15:
| 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 |
645 |
1645 |
75 |
72 |
36 |
0 |
0 |
0 |
| OW |
0 |
30 |
55 |
49 |
28 |
11 |
0 |
0 |
| VODI |
0 |
9 |
30 |
76 |
62 |
20 |
0 |
0 |
| ODI |
0 |
8 |
7 |
42 |
51 |
38 |
0 |
0 |
| CDI |
0 |
3 |
8 |
47 |
36 |
171 |
123 |
0 |
| VCDI |
0 |
0 |
0 |
25 |
114 |
1142 |
13682 |
13742 |
|
...date precedes bulletin
|
Date: 2022-11-17:
| 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 |
728 |
1616 |
54 |
2 |
0 |
0 |
0 |
| OW |
0 |
21 |
97 |
32 |
11 |
0 |
0 |
0 |
| VODI |
0 |
12 |
54 |
97 |
42 |
7 |
0 |
0 |
| ODI |
0 |
9 |
19 |
43 |
73 |
11 |
0 |
0 |
| CDI |
0 |
13 |
10 |
42 |
28 |
113 |
42 |
0 |
| VCDI |
0 |
10 |
20 |
59 |
90 |
1166 |
12103 |
15458 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
728 |
1596 |
51 |
2 |
0 |
0 |
0 |
| OW |
0 |
22 |
104 |
30 |
10 |
0 |
0 |
0 |
| VODI |
0 |
11 |
63 |
90 |
44 |
7 |
0 |
0 |
| ODI |
0 |
7 |
18 |
49 |
65 |
12 |
0 |
0 |
| CDI |
0 |
15 |
14 |
35 |
36 |
103 |
41 |
0 |
| VCDI |
0 |
10 |
21 |
72 |
89 |
1175 |
12104 |
15458 |
|
Date: 2022-11-19:
| 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 |
1710 |
388 |
19 |
8 |
0 |
0 |
0 |
| OW |
0 |
74 |
70 |
56 |
43 |
0 |
0 |
0 |
| VODI |
0 |
26 |
23 |
58 |
69 |
9 |
0 |
0 |
| ODI |
0 |
5 |
3 |
45 |
103 |
18 |
0 |
0 |
| CDI |
0 |
5 |
1 |
28 |
105 |
69 |
54 |
0 |
| VCDI |
0 |
4 |
4 |
55 |
154 |
1777 |
14436 |
12663 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1684 |
391 |
20 |
4 |
0 |
0 |
0 |
| OW |
0 |
98 |
59 |
51 |
35 |
0 |
0 |
0 |
| VODI |
0 |
27 |
32 |
60 |
76 |
9 |
0 |
0 |
| ODI |
0 |
6 |
2 |
39 |
76 |
18 |
0 |
0 |
| CDI |
0 |
5 |
0 |
32 |
117 |
61 |
47 |
0 |
| VCDI |
0 |
4 |
5 |
59 |
174 |
1785 |
14443 |
12663 |
|
Date: 2022-11-21:
| 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 |
470 |
1495 |
49 |
20 |
1 |
0 |
0 |
0 |
| OW |
1 |
78 |
61 |
25 |
11 |
0 |
0 |
0 |
| VODI |
0 |
33 |
30 |
110 |
71 |
18 |
0 |
0 |
| ODI |
0 |
19 |
10 |
34 |
69 |
45 |
2 |
0 |
| CDI |
0 |
2 |
13 |
5 |
50 |
150 |
23 |
3 |
| VCDI |
0 |
0 |
17 |
45 |
58 |
656 |
10835 |
17573 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
468 |
1323 |
51 |
25 |
2 |
0 |
0 |
0 |
| OW |
3 |
229 |
34 |
35 |
11 |
1 |
0 |
0 |
| VODI |
0 |
45 |
49 |
75 |
67 |
13 |
0 |
0 |
| ODI |
0 |
22 |
9 |
46 |
50 |
29 |
0 |
0 |
| CDI |
0 |
5 |
9 |
8 |
45 |
80 |
17 |
7 |
| VCDI |
0 |
3 |
28 |
50 |
85 |
746 |
10843 |
17569 |
|
Date: 2022-11-23:
| 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 |
31 |
1758 |
108 |
36 |
18 |
1 |
0 |
0 |
| OW |
0 |
128 |
32 |
17 |
7 |
4 |
0 |
0 |
| VODI |
0 |
40 |
65 |
75 |
49 |
35 |
0 |
0 |
| ODI |
0 |
17 |
6 |
53 |
50 |
44 |
0 |
0 |
| CDI |
0 |
10 |
5 |
14 |
53 |
151 |
23 |
2 |
| VCDI |
0 |
0 |
15 |
57 |
50 |
663 |
8181 |
20284 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
31 |
1601 |
109 |
39 |
19 |
2 |
0 |
0 |
| OW |
0 |
220 |
33 |
18 |
6 |
4 |
0 |
0 |
| VODI |
0 |
101 |
41 |
56 |
47 |
35 |
0 |
0 |
| ODI |
0 |
18 |
21 |
46 |
39 |
27 |
0 |
0 |
| CDI |
0 |
12 |
9 |
25 |
48 |
98 |
25 |
4 |
| VCDI |
0 |
1 |
18 |
68 |
68 |
732 |
8179 |
20282 |
|
Date: 2022-11-25:
| 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 |
62 |
1684 |
39 |
47 |
50 |
20 |
0 |
0 |
| OW |
0 |
132 |
32 |
11 |
15 |
4 |
0 |
0 |
| VODI |
0 |
63 |
42 |
52 |
44 |
22 |
0 |
0 |
| ODI |
0 |
23 |
11 |
60 |
48 |
56 |
0 |
0 |
| CDI |
0 |
13 |
4 |
21 |
60 |
127 |
27 |
2 |
| VCDI |
0 |
7 |
18 |
41 |
58 |
773 |
10695 |
17719 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62 |
1480 |
40 |
47 |
50 |
18 |
0 |
0 |
| OW |
0 |
264 |
19 |
11 |
16 |
8 |
0 |
0 |
| VODI |
0 |
140 |
49 |
51 |
41 |
25 |
0 |
0 |
| ODI |
0 |
23 |
17 |
42 |
45 |
42 |
0 |
0 |
| CDI |
0 |
11 |
6 |
38 |
42 |
99 |
23 |
7 |
| VCDI |
0 |
4 |
15 |
43 |
81 |
810 |
10699 |
17714 |
|
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