Validation of sea ice concentration - Asian sector
Bulletin date: 2021-01-28
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-01-22:
| 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 |
291 |
3 |
14 |
0 |
0 |
0 |
0 |
| OW |
0 |
15 |
1 |
12 |
2 |
0 |
0 |
0 |
| VODI |
0 |
13 |
1 |
23 |
8 |
0 |
0 |
0 |
| ODI |
0 |
2 |
2 |
31 |
17 |
0 |
0 |
0 |
| CDI |
0 |
3 |
2 |
48 |
28 |
30 |
5 |
0 |
| VCDI |
0 |
2 |
3 |
34 |
131 |
1371 |
7107 |
22883 |
|
...date precedes bulletin
|
Date: 2021-01-24:
| 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 |
278 |
4 |
16 |
0 |
0 |
0 |
0 |
| OW |
0 |
15 |
3 |
13 |
1 |
0 |
0 |
0 |
| VODI |
0 |
11 |
1 |
17 |
9 |
0 |
0 |
0 |
| ODI |
0 |
4 |
0 |
11 |
21 |
1 |
0 |
0 |
| CDI |
0 |
0 |
0 |
25 |
51 |
34 |
6 |
6 |
| VCDI |
0 |
0 |
0 |
29 |
156 |
1121 |
6804 |
23445 |
|
...date precedes bulletin
|
Date: 2021-01-26:
| 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 |
0 |
265 |
4 |
19 |
4 |
0 |
0 |
0 |
| OW |
0 |
8 |
2 |
13 |
9 |
0 |
0 |
0 |
| VODI |
0 |
8 |
0 |
13 |
14 |
0 |
0 |
0 |
| ODI |
0 |
1 |
1 |
15 |
16 |
5 |
0 |
0 |
| CDI |
0 |
0 |
0 |
21 |
45 |
28 |
0 |
19 |
| VCDI |
0 |
0 |
0 |
23 |
91 |
703 |
5821 |
24934 |
|
...date precedes bulletin
|
Date: 2021-01-28:
| 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 |
251 |
2 |
18 |
0 |
0 |
0 |
0 |
| OW |
0 |
18 |
1 |
16 |
5 |
0 |
0 |
0 |
| VODI |
0 |
9 |
1 |
15 |
14 |
0 |
0 |
0 |
| ODI |
0 |
3 |
0 |
10 |
21 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
17 |
41 |
18 |
0 |
1 |
| VCDI |
0 |
0 |
0 |
7 |
146 |
981 |
5378 |
25109 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
253 |
1 |
18 |
0 |
0 |
0 |
0 |
| OW |
0 |
16 |
2 |
13 |
5 |
0 |
0 |
0 |
| VODI |
0 |
8 |
1 |
19 |
13 |
0 |
0 |
0 |
| ODI |
0 |
4 |
0 |
7 |
19 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
20 |
48 |
18 |
1 |
5 |
| VCDI |
0 |
0 |
0 |
6 |
142 |
981 |
5377 |
25105 |
|
Date: 2021-01-30:
| 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 |
203 |
10 |
46 |
0 |
0 |
0 |
0 |
| OW |
0 |
23 |
3 |
6 |
0 |
0 |
0 |
0 |
| VODI |
0 |
22 |
1 |
16 |
0 |
0 |
0 |
0 |
| ODI |
0 |
12 |
2 |
19 |
4 |
1 |
0 |
0 |
| CDI |
0 |
7 |
1 |
20 |
32 |
23 |
0 |
0 |
| VCDI |
0 |
2 |
0 |
19 |
192 |
597 |
5619 |
25202 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
203 |
10 |
45 |
0 |
0 |
0 |
0 |
| OW |
0 |
23 |
3 |
5 |
0 |
0 |
0 |
0 |
| VODI |
0 |
22 |
1 |
18 |
0 |
0 |
0 |
0 |
| ODI |
0 |
11 |
2 |
19 |
3 |
0 |
0 |
0 |
| CDI |
0 |
9 |
1 |
22 |
34 |
23 |
0 |
0 |
| VCDI |
0 |
1 |
0 |
17 |
191 |
598 |
5619 |
25202 |
|
Date: 2021-02-01:
| 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 |
257 |
6 |
12 |
0 |
0 |
0 |
0 |
| OW |
0 |
38 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
36 |
2 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
27 |
2 |
10 |
9 |
10 |
0 |
0 |
| CDI |
0 |
25 |
1 |
15 |
17 |
77 |
11 |
2 |
| VCDI |
0 |
15 |
2 |
68 |
218 |
1065 |
6953 |
23204 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
220 |
6 |
12 |
0 |
0 |
0 |
0 |
| OW |
0 |
41 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
45 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
33 |
2 |
0 |
0 |
5 |
0 |
0 |
| CDI |
0 |
29 |
2 |
12 |
14 |
66 |
9 |
0 |
| VCDI |
0 |
30 |
3 |
81 |
230 |
1081 |
6955 |
23206 |
|
Date: 2021-02-03:
| 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 |
247 |
4 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
39 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
42 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
39 |
0 |
0 |
3 |
14 |
0 |
0 |
| CDI |
0 |
35 |
0 |
4 |
36 |
80 |
62 |
11 |
| VCDI |
0 |
144 |
15 |
86 |
230 |
1694 |
11573 |
17723 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
194 |
4 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
59 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
50 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
41 |
0 |
0 |
2 |
12 |
1 |
0 |
| CDI |
0 |
42 |
0 |
4 |
15 |
59 |
74 |
11 |
| VCDI |
0 |
160 |
15 |
86 |
252 |
1717 |
11560 |
17723 |
|
Date: 2021-02-05:
| 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 |
179 |
11 |
16 |
0 |
0 |
0 |
0 |
| OW |
0 |
42 |
7 |
8 |
0 |
0 |
0 |
0 |
| VODI |
0 |
34 |
2 |
7 |
0 |
0 |
0 |
0 |
| ODI |
0 |
23 |
0 |
4 |
0 |
1 |
0 |
0 |
| CDI |
0 |
21 |
1 |
8 |
40 |
41 |
51 |
6 |
| VCDI |
0 |
91 |
11 |
73 |
190 |
1591 |
11817 |
17807 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
139 |
12 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
54 |
6 |
11 |
0 |
0 |
0 |
0 |
| VODI |
0 |
40 |
1 |
8 |
0 |
0 |
0 |
0 |
| ODI |
0 |
31 |
1 |
5 |
4 |
0 |
0 |
0 |
| CDI |
0 |
35 |
1 |
8 |
29 |
9 |
3 |
0 |
| VCDI |
0 |
91 |
11 |
73 |
197 |
1624 |
11865 |
17813 |
|
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