Validation of sea ice concentration - Asian sector
Bulletin date: 2023-02-09
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-02-03:
| 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 |
307 |
9 |
20 |
0 |
0 |
0 |
0 |
| OW |
0 |
47 |
4 |
9 |
0 |
0 |
0 |
0 |
| VODI |
0 |
38 |
1 |
19 |
28 |
0 |
0 |
0 |
| ODI |
0 |
27 |
1 |
17 |
64 |
16 |
0 |
0 |
| CDI |
0 |
41 |
2 |
6 |
68 |
102 |
27 |
9 |
| VCDI |
0 |
72 |
11 |
121 |
220 |
678 |
6099 |
24019 |
|
...date precedes bulletin
|
Date: 2023-02-05:
| 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 |
279 |
10 |
30 |
0 |
0 |
0 |
0 |
| OW |
0 |
47 |
2 |
6 |
0 |
0 |
0 |
0 |
| VODI |
0 |
38 |
2 |
22 |
0 |
0 |
0 |
0 |
| ODI |
0 |
23 |
1 |
15 |
29 |
14 |
0 |
0 |
| CDI |
0 |
23 |
3 |
11 |
32 |
100 |
36 |
5 |
| VCDI |
0 |
18 |
4 |
85 |
197 |
472 |
5057 |
25521 |
|
...date precedes bulletin
|
Date: 2023-02-07:
| 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 |
81 |
301 |
3 |
8 |
0 |
0 |
0 |
0 |
| OW |
1 |
46 |
2 |
11 |
0 |
0 |
0 |
0 |
| VODI |
0 |
44 |
0 |
13 |
7 |
0 |
0 |
0 |
| ODI |
0 |
38 |
4 |
4 |
22 |
13 |
0 |
0 |
| CDI |
0 |
32 |
2 |
16 |
46 |
22 |
0 |
17 |
| VCDI |
0 |
102 |
11 |
121 |
277 |
842 |
5062 |
24934 |
|
...date precedes bulletin
|
Date: 2023-02-09:
| 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 |
182 |
233 |
0 |
1 |
0 |
0 |
0 |
0 |
| OW |
3 |
67 |
1 |
2 |
0 |
0 |
0 |
0 |
| VODI |
0 |
78 |
4 |
5 |
5 |
0 |
0 |
0 |
| ODI |
0 |
56 |
2 |
32 |
33 |
0 |
0 |
0 |
| CDI |
0 |
69 |
0 |
17 |
71 |
66 |
1 |
0 |
| VCDI |
0 |
312 |
18 |
204 |
443 |
2208 |
6878 |
21091 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
182 |
232 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
3 |
69 |
1 |
3 |
0 |
0 |
0 |
0 |
| VODI |
0 |
73 |
6 |
6 |
9 |
0 |
0 |
0 |
| ODI |
0 |
55 |
0 |
31 |
34 |
0 |
0 |
0 |
| CDI |
0 |
67 |
0 |
18 |
71 |
81 |
1 |
0 |
| VCDI |
0 |
319 |
18 |
203 |
438 |
2193 |
6878 |
21091 |
|
Date: 2023-02-11:
| 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 |
201 |
190 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
9 |
52 |
2 |
2 |
0 |
0 |
0 |
0 |
| VODI |
5 |
73 |
0 |
22 |
19 |
0 |
0 |
0 |
| ODI |
0 |
72 |
6 |
47 |
18 |
1 |
0 |
0 |
| CDI |
0 |
84 |
2 |
49 |
68 |
64 |
11 |
0 |
| VCDI |
0 |
459 |
24 |
230 |
476 |
2875 |
6107 |
20914 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
203 |
184 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
7 |
56 |
2 |
1 |
0 |
0 |
0 |
0 |
| VODI |
5 |
78 |
2 |
44 |
22 |
0 |
0 |
0 |
| ODI |
0 |
61 |
5 |
41 |
24 |
9 |
0 |
0 |
| CDI |
0 |
78 |
1 |
41 |
52 |
65 |
10 |
0 |
| VCDI |
0 |
473 |
24 |
223 |
483 |
2866 |
6108 |
20914 |
|
Date: 2023-02-13:
| 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 |
389 |
5 |
16 |
0 |
0 |
0 |
0 |
| OW |
0 |
43 |
5 |
9 |
1 |
0 |
0 |
0 |
| VODI |
0 |
63 |
1 |
51 |
29 |
2 |
0 |
0 |
| ODI |
0 |
48 |
0 |
66 |
47 |
7 |
0 |
0 |
| CDI |
0 |
89 |
4 |
38 |
85 |
37 |
35 |
7 |
| VCDI |
0 |
94 |
15 |
188 |
456 |
1855 |
8631 |
19766 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
330 |
4 |
16 |
0 |
0 |
0 |
0 |
| OW |
0 |
64 |
2 |
3 |
0 |
0 |
0 |
0 |
| VODI |
0 |
48 |
4 |
36 |
33 |
0 |
0 |
0 |
| ODI |
0 |
36 |
1 |
72 |
75 |
27 |
0 |
0 |
| CDI |
0 |
43 |
1 |
30 |
51 |
56 |
48 |
0 |
| VCDI |
0 |
205 |
18 |
211 |
459 |
1818 |
8618 |
19773 |
|
Date: 2023-02-15:
| 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 |
47 |
320 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
7 |
40 |
5 |
8 |
0 |
0 |
0 |
0 |
| VODI |
0 |
41 |
3 |
22 |
22 |
0 |
0 |
0 |
| ODI |
0 |
38 |
1 |
8 |
77 |
18 |
0 |
0 |
| CDI |
0 |
52 |
3 |
12 |
57 |
54 |
4 |
68 |
| VCDI |
0 |
107 |
16 |
83 |
317 |
759 |
6831 |
23062 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
47 |
269 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
7 |
62 |
3 |
2 |
0 |
0 |
0 |
0 |
| VODI |
0 |
51 |
4 |
14 |
1 |
0 |
0 |
0 |
| ODI |
0 |
26 |
2 |
18 |
95 |
59 |
5 |
0 |
| CDI |
0 |
45 |
1 |
8 |
63 |
75 |
36 |
57 |
| VCDI |
0 |
145 |
18 |
91 |
314 |
697 |
6794 |
23073 |
|
Date: 2023-02-17:
| 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 |
111 |
289 |
1 |
1 |
0 |
0 |
0 |
0 |
| OW |
2 |
56 |
4 |
5 |
0 |
0 |
0 |
0 |
| VODI |
0 |
45 |
3 |
69 |
34 |
0 |
0 |
0 |
| ODI |
0 |
46 |
1 |
66 |
81 |
1 |
0 |
0 |
| CDI |
0 |
56 |
1 |
49 |
86 |
46 |
14 |
16 |
| VCDI |
0 |
237 |
24 |
195 |
429 |
1151 |
5132 |
23831 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97 |
231 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
15 |
63 |
1 |
2 |
0 |
0 |
0 |
0 |
| VODI |
1 |
53 |
5 |
9 |
7 |
0 |
0 |
0 |
| ODI |
0 |
40 |
1 |
70 |
37 |
0 |
0 |
0 |
| CDI |
0 |
44 |
0 |
89 |
98 |
4 |
8 |
0 |
| VCDI |
0 |
298 |
26 |
215 |
488 |
1194 |
5138 |
23847 |
|
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