Validation of sea ice concentration - Asian sector
Bulletin date: 2022-01-06
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-12-31:
| 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 |
121 |
8 |
52 |
4 |
0 |
0 |
0 |
| OW |
0 |
33 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
39 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
28 |
0 |
0 |
0 |
0 |
0 |
0 |
| CDI |
0 |
38 |
1 |
1 |
0 |
6 |
21 |
7 |
| VCDI |
0 |
139 |
16 |
116 |
125 |
191 |
3090 |
28046 |
|
...date precedes bulletin
|
Date: 2022-01-02:
| 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 |
89 |
11 |
33 |
10 |
0 |
0 |
0 |
| OW |
0 |
27 |
0 |
22 |
2 |
0 |
0 |
0 |
| VODI |
0 |
29 |
2 |
6 |
0 |
0 |
0 |
0 |
| ODI |
0 |
29 |
1 |
3 |
2 |
0 |
0 |
0 |
| CDI |
0 |
34 |
1 |
21 |
10 |
23 |
1 |
10 |
| VCDI |
0 |
150 |
11 |
136 |
194 |
333 |
3734 |
27158 |
|
...date precedes bulletin
|
Date: 2022-01-04:
| 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 |
65 |
13 |
90 |
12 |
0 |
0 |
0 |
| OW |
0 |
15 |
0 |
9 |
2 |
0 |
0 |
0 |
| VODI |
0 |
21 |
2 |
13 |
1 |
0 |
0 |
0 |
| ODI |
0 |
14 |
0 |
9 |
3 |
3 |
0 |
0 |
| CDI |
0 |
13 |
1 |
36 |
43 |
29 |
11 |
56 |
| VCDI |
0 |
16 |
4 |
161 |
265 |
409 |
4740 |
26026 |
|
...date precedes bulletin
|
Date: 2022-01-06:
| 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 |
32 |
10 |
64 |
5 |
0 |
0 |
0 |
| OW |
0 |
15 |
1 |
28 |
20 |
0 |
0 |
0 |
| VODI |
0 |
17 |
2 |
9 |
6 |
0 |
0 |
0 |
| ODI |
0 |
13 |
0 |
7 |
9 |
2 |
0 |
0 |
| CDI |
0 |
12 |
1 |
13 |
3 |
64 |
14 |
14 |
| VCDI |
0 |
9 |
3 |
36 |
193 |
919 |
7202 |
23359 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
32 |
10 |
73 |
13 |
0 |
0 |
0 |
| OW |
0 |
14 |
1 |
19 |
13 |
0 |
0 |
0 |
| VODI |
0 |
17 |
1 |
7 |
5 |
0 |
0 |
0 |
| ODI |
0 |
12 |
1 |
7 |
5 |
2 |
0 |
0 |
| CDI |
0 |
14 |
0 |
12 |
7 |
64 |
15 |
12 |
| VCDI |
0 |
9 |
4 |
39 |
193 |
919 |
7201 |
23361 |
|
Date: 2022-01-08:
| 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 |
41 |
6 |
38 |
0 |
0 |
0 |
0 |
| OW |
0 |
14 |
2 |
36 |
8 |
0 |
0 |
0 |
| VODI |
0 |
17 |
1 |
23 |
14 |
0 |
0 |
0 |
| ODI |
0 |
13 |
1 |
10 |
6 |
0 |
0 |
0 |
| CDI |
0 |
7 |
3 |
11 |
11 |
19 |
21 |
0 |
| VCDI |
0 |
1 |
1 |
27 |
151 |
555 |
6566 |
24479 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
36 |
5 |
38 |
1 |
0 |
0 |
0 |
| OW |
0 |
15 |
3 |
33 |
7 |
0 |
0 |
0 |
| VODI |
0 |
20 |
1 |
22 |
12 |
0 |
0 |
0 |
| ODI |
0 |
11 |
1 |
10 |
6 |
0 |
0 |
0 |
| CDI |
0 |
8 |
2 |
10 |
12 |
15 |
20 |
0 |
| VCDI |
0 |
3 |
2 |
32 |
152 |
559 |
6567 |
24479 |
|
Date: 2022-01-10:
| 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 |
44 |
0 |
30 |
0 |
0 |
0 |
0 |
| OW |
0 |
14 |
2 |
36 |
6 |
0 |
0 |
0 |
| VODI |
0 |
16 |
2 |
30 |
13 |
0 |
0 |
0 |
| ODI |
0 |
11 |
0 |
14 |
10 |
0 |
0 |
0 |
| CDI |
0 |
10 |
2 |
7 |
13 |
33 |
21 |
65 |
| VCDI |
0 |
2 |
0 |
22 |
131 |
464 |
6947 |
24137 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
33 |
0 |
22 |
0 |
0 |
0 |
0 |
| OW |
0 |
14 |
0 |
22 |
0 |
0 |
0 |
0 |
| VODI |
0 |
17 |
3 |
35 |
6 |
0 |
0 |
0 |
| ODI |
0 |
13 |
1 |
17 |
10 |
0 |
0 |
0 |
| CDI |
0 |
12 |
0 |
10 |
7 |
47 |
27 |
48 |
| VCDI |
0 |
8 |
2 |
33 |
150 |
450 |
6941 |
24154 |
|
Date: 2022-01-12:
| 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 |
40 |
3 |
21 |
0 |
0 |
0 |
0 |
| OW |
0 |
10 |
5 |
32 |
4 |
0 |
0 |
0 |
| VODI |
0 |
6 |
1 |
52 |
12 |
0 |
0 |
0 |
| ODI |
0 |
4 |
2 |
24 |
11 |
0 |
0 |
0 |
| CDI |
0 |
3 |
1 |
13 |
17 |
13 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
92 |
384 |
5165 |
26152 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
18 |
1 |
12 |
0 |
0 |
0 |
0 |
| OW |
0 |
12 |
0 |
20 |
0 |
0 |
0 |
0 |
| VODI |
0 |
16 |
6 |
27 |
0 |
0 |
0 |
0 |
| ODI |
0 |
8 |
2 |
41 |
2 |
1 |
0 |
0 |
| CDI |
0 |
5 |
2 |
25 |
14 |
22 |
30 |
15 |
| VCDI |
0 |
4 |
1 |
30 |
120 |
374 |
5137 |
26137 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
20 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
15 |
1 |
5 |
0 |
0 |
0 |
0 |
| VODI |
0 |
30 |
3 |
12 |
0 |
0 |
0 |
0 |
| ODI |
0 |
29 |
2 |
14 |
0 |
0 |
0 |
0 |
| CDI |
0 |
35 |
0 |
9 |
16 |
4 |
40 |
10 |
| VCDI |
0 |
80 |
6 |
92 |
198 |
677 |
8361 |
22422 |
|
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