Validation of sea ice concentration - Asian sector
Bulletin date: 2021-01-21
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-01-15:
| 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 |
396 |
12 |
86 |
1 |
0 |
0 |
0 |
| OW |
0 |
91 |
11 |
186 |
26 |
0 |
0 |
0 |
| VODI |
0 |
151 |
16 |
226 |
107 |
0 |
0 |
0 |
| ODI |
0 |
159 |
10 |
172 |
216 |
15 |
0 |
0 |
| CDI |
0 |
17 |
1 |
64 |
287 |
296 |
21 |
4 |
| VCDI |
0 |
2 |
0 |
25 |
149 |
1697 |
6717 |
20921 |
|
...date precedes bulletin
|
Date: 2021-01-17:
| 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 |
344 |
1 |
1 |
7 |
7 |
0 |
0 |
| OW |
0 |
56 |
3 |
27 |
63 |
21 |
0 |
0 |
| VODI |
0 |
29 |
7 |
42 |
173 |
47 |
0 |
0 |
| ODI |
0 |
9 |
4 |
70 |
169 |
58 |
0 |
0 |
| CDI |
0 |
7 |
4 |
99 |
261 |
209 |
23 |
10 |
| VCDI |
0 |
7 |
3 |
92 |
293 |
2100 |
8574 |
19262 |
|
...date precedes bulletin
|
Date: 2021-01-19:
| 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 |
18 |
321 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
37 |
5 |
8 |
0 |
0 |
0 |
0 |
| VODI |
0 |
24 |
4 |
39 |
11 |
1 |
0 |
0 |
| ODI |
0 |
15 |
3 |
18 |
40 |
70 |
0 |
0 |
| CDI |
0 |
5 |
1 |
34 |
102 |
355 |
5 |
0 |
| VCDI |
0 |
0 |
0 |
122 |
332 |
2928 |
5227 |
22356 |
|
...date precedes bulletin
|
Date: 2021-01-21:
| 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 |
0 |
299 |
4 |
12 |
0 |
0 |
0 |
0 |
| OW |
0 |
18 |
1 |
13 |
0 |
0 |
0 |
0 |
| VODI |
0 |
20 |
2 |
23 |
4 |
0 |
0 |
0 |
| ODI |
0 |
14 |
1 |
28 |
15 |
3 |
0 |
0 |
| CDI |
0 |
14 |
3 |
49 |
29 |
50 |
12 |
0 |
| VCDI |
0 |
2 |
1 |
30 |
200 |
2248 |
6727 |
22260 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
302 |
4 |
13 |
0 |
0 |
0 |
0 |
| OW |
0 |
15 |
1 |
12 |
0 |
0 |
0 |
0 |
| VODI |
0 |
20 |
2 |
24 |
5 |
0 |
0 |
0 |
| ODI |
0 |
16 |
1 |
32 |
16 |
3 |
0 |
0 |
| CDI |
0 |
11 |
3 |
45 |
29 |
49 |
10 |
0 |
| VCDI |
0 |
3 |
1 |
29 |
198 |
2249 |
6729 |
22260 |
|
Date: 2021-01-23:
| 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 |
0 |
281 |
4 |
17 |
1 |
0 |
0 |
0 |
| OW |
0 |
12 |
3 |
9 |
9 |
0 |
0 |
0 |
| VODI |
0 |
11 |
0 |
19 |
9 |
0 |
0 |
0 |
| ODI |
0 |
4 |
1 |
19 |
18 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
27 |
53 |
32 |
12 |
0 |
| VCDI |
0 |
0 |
0 |
35 |
106 |
928 |
5809 |
24663 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
280 |
4 |
18 |
2 |
0 |
0 |
0 |
| OW |
0 |
14 |
3 |
7 |
8 |
0 |
0 |
0 |
| VODI |
0 |
9 |
0 |
18 |
11 |
0 |
0 |
0 |
| ODI |
0 |
5 |
1 |
23 |
21 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
31 |
52 |
36 |
11 |
0 |
| VCDI |
0 |
0 |
0 |
29 |
102 |
924 |
5810 |
24663 |
|
Date: 2021-01-25:
| 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 |
0 |
295 |
3 |
15 |
0 |
0 |
0 |
0 |
| OW |
0 |
13 |
5 |
13 |
5 |
0 |
0 |
0 |
| VODI |
0 |
4 |
1 |
19 |
11 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
19 |
18 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
19 |
64 |
22 |
0 |
48 |
| VCDI |
0 |
0 |
0 |
15 |
98 |
1094 |
6742 |
23559 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
276 |
3 |
12 |
0 |
0 |
0 |
0 |
| OW |
0 |
16 |
4 |
12 |
1 |
0 |
0 |
0 |
| VODI |
0 |
14 |
1 |
15 |
8 |
0 |
0 |
0 |
| ODI |
0 |
5 |
1 |
13 |
20 |
1 |
0 |
0 |
| CDI |
0 |
1 |
0 |
20 |
48 |
28 |
0 |
37 |
| VCDI |
0 |
0 |
0 |
28 |
119 |
1087 |
6742 |
23570 |
|
Date: 2021-01-27:
| 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 |
248 |
2 |
18 |
6 |
0 |
0 |
0 |
| OW |
0 |
11 |
0 |
9 |
13 |
6 |
0 |
0 |
| VODI |
0 |
8 |
1 |
3 |
15 |
7 |
0 |
0 |
| ODI |
0 |
2 |
0 |
2 |
13 |
10 |
0 |
0 |
| CDI |
0 |
1 |
0 |
3 |
40 |
29 |
1 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
87 |
539 |
5757 |
25249 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
235 |
1 |
14 |
3 |
0 |
0 |
0 |
| OW |
0 |
13 |
0 |
10 |
11 |
0 |
0 |
0 |
| VODI |
0 |
13 |
2 |
4 |
14 |
7 |
0 |
0 |
| ODI |
0 |
5 |
0 |
3 |
22 |
11 |
0 |
0 |
| CDI |
0 |
4 |
0 |
2 |
47 |
44 |
2 |
4 |
| VCDI |
0 |
0 |
0 |
2 |
77 |
529 |
5756 |
25247 |
|
Date: 2021-01-29:
| 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 |
248 |
8 |
8 |
0 |
0 |
0 |
0 |
| OW |
0 |
29 |
2 |
9 |
0 |
0 |
0 |
0 |
| VODI |
0 |
21 |
2 |
16 |
0 |
0 |
0 |
0 |
| ODI |
0 |
13 |
2 |
12 |
4 |
0 |
0 |
0 |
| CDI |
0 |
4 |
2 |
18 |
31 |
11 |
0 |
1 |
| VCDI |
0 |
2 |
0 |
17 |
181 |
612 |
5094 |
25735 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
215 |
6 |
8 |
0 |
0 |
0 |
0 |
| OW |
0 |
32 |
3 |
1 |
0 |
0 |
0 |
0 |
| VODI |
0 |
27 |
1 |
13 |
0 |
0 |
0 |
0 |
| ODI |
0 |
21 |
2 |
10 |
4 |
1 |
0 |
0 |
| CDI |
0 |
13 |
2 |
18 |
26 |
24 |
2 |
4 |
| VCDI |
0 |
9 |
2 |
30 |
186 |
598 |
5092 |
25732 |
|
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