Validation of sea ice concentration - Asian sector
Bulletin date: 2021-02-04
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2021-01-31:
| 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 |
196 |
11 |
42 |
0 |
0 |
0 |
0 |
| OW |
0 |
29 |
2 |
8 |
0 |
0 |
0 |
0 |
| VODI |
0 |
27 |
2 |
14 |
0 |
0 |
0 |
0 |
| ODI |
0 |
11 |
1 |
20 |
6 |
0 |
2 |
0 |
| CDI |
0 |
10 |
1 |
19 |
31 |
41 |
18 |
2 |
| VCDI |
0 |
0 |
0 |
26 |
198 |
835 |
6447 |
24083 |
|
...date precedes bulletin
|
Date: 2021-02-02:
| 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 |
248 |
7 |
13 |
0 |
0 |
0 |
0 |
| OW |
0 |
33 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
45 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
32 |
1 |
4 |
13 |
12 |
1 |
0 |
| CDI |
0 |
32 |
0 |
6 |
19 |
110 |
29 |
11 |
| VCDI |
0 |
87 |
11 |
102 |
231 |
1494 |
10062 |
19479 |
|
...date precedes bulletin
|
Date: 2021-02-04:
| 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 |
199 |
13 |
14 |
0 |
0 |
0 |
0 |
| OW |
0 |
39 |
5 |
6 |
0 |
0 |
0 |
0 |
| VODI |
0 |
37 |
1 |
2 |
0 |
0 |
0 |
0 |
| ODI |
0 |
27 |
2 |
1 |
1 |
5 |
0 |
0 |
| CDI |
0 |
32 |
0 |
4 |
34 |
58 |
51 |
12 |
| VCDI |
0 |
112 |
13 |
77 |
167 |
1606 |
12225 |
17339 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
198 |
13 |
16 |
0 |
0 |
0 |
0 |
| OW |
0 |
36 |
4 |
3 |
0 |
0 |
0 |
0 |
| VODI |
0 |
32 |
1 |
3 |
0 |
0 |
0 |
0 |
| ODI |
0 |
29 |
3 |
1 |
1 |
5 |
0 |
0 |
| CDI |
0 |
26 |
0 |
3 |
34 |
61 |
64 |
8 |
| VCDI |
0 |
125 |
13 |
78 |
167 |
1603 |
12212 |
17343 |
|
Date: 2021-02-06:
| 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 |
153 |
6 |
6 |
0 |
0 |
0 |
0 |
| OW |
0 |
58 |
6 |
8 |
0 |
0 |
0 |
0 |
| VODI |
0 |
37 |
0 |
10 |
0 |
0 |
0 |
0 |
| ODI |
0 |
27 |
2 |
6 |
0 |
1 |
0 |
0 |
| CDI |
0 |
18 |
2 |
9 |
41 |
58 |
36 |
2 |
| VCDI |
0 |
72 |
10 |
61 |
206 |
1714 |
11377 |
18156 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
156 |
7 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
55 |
4 |
7 |
0 |
0 |
0 |
0 |
| VODI |
0 |
31 |
1 |
7 |
0 |
0 |
0 |
0 |
| ODI |
0 |
25 |
1 |
6 |
0 |
1 |
0 |
0 |
| CDI |
0 |
21 |
1 |
8 |
41 |
68 |
43 |
0 |
| VCDI |
0 |
77 |
12 |
65 |
206 |
1704 |
11370 |
18158 |
|
Date: 2021-02-08:
| 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 |
66 |
3 |
50 |
0 |
0 |
0 |
0 |
| OW |
0 |
23 |
3 |
47 |
0 |
0 |
0 |
0 |
| VODI |
0 |
26 |
1 |
43 |
5 |
0 |
0 |
0 |
| ODI |
0 |
15 |
0 |
17 |
9 |
0 |
0 |
0 |
| CDI |
0 |
11 |
2 |
5 |
47 |
28 |
24 |
10 |
| VCDI |
0 |
22 |
2 |
37 |
200 |
1551 |
9582 |
20253 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
59 |
2 |
46 |
0 |
0 |
0 |
0 |
| OW |
0 |
18 |
3 |
45 |
0 |
0 |
0 |
0 |
| VODI |
0 |
24 |
1 |
43 |
0 |
0 |
0 |
0 |
| ODI |
0 |
17 |
1 |
14 |
5 |
0 |
0 |
0 |
| CDI |
0 |
17 |
0 |
7 |
44 |
43 |
35 |
23 |
| VCDI |
0 |
28 |
4 |
44 |
212 |
1536 |
9571 |
20240 |
|
Date: 2021-02-10:
| 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 |
46 |
1 |
18 |
15 |
0 |
0 |
0 |
| OW |
0 |
8 |
2 |
29 |
34 |
0 |
0 |
0 |
| VODI |
0 |
8 |
1 |
18 |
43 |
0 |
0 |
0 |
| ODI |
0 |
7 |
2 |
7 |
36 |
3 |
2 |
0 |
| CDI |
0 |
2 |
1 |
7 |
16 |
51 |
55 |
8 |
| VCDI |
0 |
0 |
1 |
8 |
43 |
1455 |
11666 |
18489 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
38 |
1 |
26 |
9 |
0 |
0 |
0 |
| OW |
0 |
11 |
1 |
20 |
39 |
0 |
0 |
0 |
| VODI |
0 |
9 |
2 |
10 |
46 |
0 |
0 |
0 |
| ODI |
0 |
8 |
0 |
9 |
26 |
2 |
0 |
0 |
| CDI |
0 |
4 |
3 |
8 |
12 |
43 |
31 |
3 |
| VCDI |
0 |
1 |
1 |
14 |
55 |
1464 |
11692 |
18494 |
|
Date: 2021-02-12:
| 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 |
28 |
2 |
20 |
17 |
0 |
0 |
0 |
| OW |
0 |
7 |
2 |
6 |
51 |
0 |
0 |
0 |
| VODI |
0 |
4 |
0 |
15 |
47 |
10 |
0 |
0 |
| ODI |
0 |
0 |
2 |
17 |
33 |
9 |
0 |
0 |
| CDI |
0 |
0 |
0 |
8 |
18 |
20 |
12 |
31 |
| VCDI |
0 |
0 |
0 |
2 |
27 |
466 |
7707 |
23521 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
19 |
1 |
18 |
16 |
0 |
0 |
0 |
| OW |
0 |
8 |
1 |
5 |
46 |
0 |
0 |
0 |
| VODI |
0 |
9 |
0 |
8 |
58 |
2 |
0 |
0 |
| ODI |
0 |
3 |
2 |
11 |
29 |
10 |
0 |
0 |
| CDI |
0 |
0 |
2 |
17 |
8 |
19 |
19 |
2 |
| VCDI |
0 |
0 |
0 |
9 |
36 |
474 |
7700 |
23550 |
|
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