Validation of sea ice concentration - Asian sector
Bulletin date: 2022-01-20
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-01-14:
| 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 |
50 |
2 |
6 |
0 |
0 |
0 |
0 |
| OW |
0 |
40 |
3 |
9 |
0 |
0 |
0 |
0 |
| VODI |
0 |
51 |
3 |
18 |
0 |
0 |
0 |
0 |
| ODI |
0 |
26 |
2 |
16 |
11 |
9 |
0 |
0 |
| CDI |
0 |
16 |
1 |
18 |
17 |
31 |
47 |
0 |
| VCDI |
0 |
26 |
2 |
65 |
186 |
641 |
8354 |
22432 |
|
...date precedes bulletin
|
Date: 2022-01-16:
| 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 |
6 |
6 |
0 |
0 |
0 |
0 |
| OW |
0 |
22 |
3 |
21 |
0 |
0 |
0 |
0 |
| VODI |
0 |
41 |
1 |
27 |
0 |
0 |
0 |
0 |
| ODI |
0 |
50 |
0 |
16 |
3 |
14 |
0 |
0 |
| CDI |
0 |
39 |
3 |
5 |
11 |
87 |
47 |
15 |
| VCDI |
0 |
110 |
6 |
122 |
174 |
817 |
10078 |
20313 |
|
...date precedes bulletin
|
Date: 2022-01-18:
| 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 |
63 |
8 |
50 |
0 |
0 |
0 |
0 |
| OW |
0 |
30 |
1 |
44 |
0 |
0 |
0 |
0 |
| VODI |
0 |
39 |
1 |
26 |
1 |
0 |
0 |
0 |
| ODI |
0 |
30 |
0 |
9 |
1 |
4 |
1 |
0 |
| CDI |
0 |
29 |
2 |
3 |
11 |
66 |
40 |
7 |
| VCDI |
0 |
103 |
4 |
146 |
155 |
939 |
9943 |
20326 |
|
...date precedes bulletin
|
Date: 2022-01-20:
| 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 |
0 |
48 |
5 |
19 |
17 |
0 |
0 |
0 |
| OW |
0 |
11 |
0 |
30 |
23 |
0 |
0 |
0 |
| VODI |
0 |
21 |
4 |
32 |
19 |
0 |
0 |
0 |
| ODI |
0 |
24 |
2 |
13 |
11 |
12 |
1 |
0 |
| CDI |
0 |
29 |
2 |
7 |
1 |
75 |
27 |
20 |
| VCDI |
0 |
97 |
9 |
94 |
174 |
726 |
9126 |
21403 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
49 |
5 |
20 |
18 |
0 |
0 |
0 |
| OW |
0 |
10 |
1 |
20 |
21 |
0 |
0 |
0 |
| VODI |
0 |
20 |
1 |
39 |
17 |
0 |
0 |
0 |
| ODI |
0 |
23 |
4 |
14 |
14 |
15 |
0 |
0 |
| CDI |
0 |
29 |
1 |
6 |
1 |
79 |
28 |
20 |
| VCDI |
0 |
99 |
10 |
96 |
174 |
719 |
9126 |
21403 |
|
Date: 2022-01-22:
| 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 |
42 |
4 |
17 |
12 |
0 |
0 |
0 |
| OW |
0 |
15 |
1 |
17 |
14 |
0 |
0 |
0 |
| VODI |
0 |
15 |
2 |
21 |
31 |
0 |
0 |
0 |
| ODI |
0 |
15 |
2 |
22 |
22 |
2 |
0 |
0 |
| CDI |
0 |
21 |
4 |
14 |
9 |
31 |
5 |
3 |
| VCDI |
0 |
81 |
2 |
42 |
131 |
422 |
6641 |
24422 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
45 |
4 |
18 |
15 |
0 |
0 |
0 |
| OW |
0 |
14 |
1 |
16 |
12 |
0 |
0 |
0 |
| VODI |
0 |
13 |
2 |
19 |
30 |
0 |
0 |
0 |
| ODI |
0 |
12 |
2 |
23 |
21 |
7 |
0 |
0 |
| CDI |
0 |
23 |
4 |
14 |
8 |
35 |
7 |
3 |
| VCDI |
0 |
82 |
2 |
43 |
133 |
413 |
6639 |
24422 |
|
Date: 2022-01-24:
| 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 |
228 |
3 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
69 |
5 |
12 |
0 |
0 |
0 |
0 |
| VODI |
0 |
72 |
3 |
11 |
1 |
0 |
0 |
0 |
| ODI |
0 |
59 |
2 |
33 |
19 |
8 |
1 |
0 |
| CDI |
0 |
81 |
4 |
37 |
51 |
64 |
19 |
8 |
| VCDI |
0 |
73 |
8 |
93 |
235 |
706 |
7514 |
22663 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
125 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
58 |
4 |
4 |
0 |
0 |
0 |
0 |
| VODI |
0 |
68 |
2 |
13 |
0 |
0 |
0 |
0 |
| ODI |
0 |
51 |
5 |
5 |
15 |
9 |
1 |
0 |
| CDI |
0 |
55 |
0 |
16 |
27 |
55 |
20 |
6 |
| VCDI |
0 |
225 |
14 |
148 |
264 |
714 |
7513 |
22665 |
|
Date: 2022-01-26:
| 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 |
30 |
209 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
10 |
96 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
2 |
112 |
0 |
27 |
17 |
0 |
0 |
0 |
| ODI |
0 |
94 |
1 |
44 |
70 |
23 |
4 |
0 |
| CDI |
0 |
112 |
2 |
43 |
120 |
108 |
34 |
35 |
| VCDI |
0 |
267 |
19 |
176 |
450 |
2083 |
7378 |
20516 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19 |
161 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
19 |
89 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
4 |
79 |
0 |
17 |
26 |
0 |
0 |
0 |
| ODI |
0 |
64 |
0 |
33 |
47 |
21 |
3 |
0 |
| CDI |
0 |
70 |
2 |
43 |
97 |
92 |
47 |
21 |
| VCDI |
0 |
427 |
20 |
197 |
487 |
2101 |
7366 |
20530 |
|
Date: 2022-01-28:
| 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 |
202 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
96 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
103 |
0 |
24 |
0 |
0 |
0 |
0 |
| ODI |
0 |
90 |
1 |
83 |
84 |
77 |
7 |
0 |
| CDI |
0 |
136 |
4 |
77 |
157 |
193 |
152 |
40 |
| VCDI |
0 |
279 |
27 |
233 |
709 |
2338 |
9378 |
17592 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
160 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
87 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
111 |
0 |
31 |
16 |
19 |
0 |
0 |
| ODI |
0 |
85 |
0 |
71 |
71 |
81 |
8 |
0 |
| CDI |
0 |
68 |
4 |
67 |
144 |
159 |
116 |
35 |
| VCDI |
0 |
395 |
28 |
248 |
719 |
2349 |
9413 |
17597 |
|
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