Validation of sea ice concentration - Asian sector
Bulletin date: 2021-02-11
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2021-02-07:
| 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 |
0 |
90 |
10 |
27 |
0 |
0 |
0 |
0 |
| OW |
0 |
35 |
4 |
38 |
0 |
0 |
0 |
0 |
| VODI |
0 |
27 |
2 |
37 |
0 |
0 |
0 |
0 |
| ODI |
0 |
17 |
1 |
12 |
0 |
1 |
0 |
0 |
| CDI |
0 |
16 |
1 |
14 |
36 |
38 |
32 |
0 |
| VCDI |
0 |
48 |
8 |
44 |
226 |
1514 |
10724 |
19080 |
|
...date precedes bulletin
|
Date: 2021-02-09:
| 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 |
0 |
56 |
1 |
33 |
0 |
0 |
0 |
0 |
| OW |
0 |
18 |
5 |
51 |
3 |
0 |
0 |
0 |
| VODI |
0 |
25 |
0 |
28 |
16 |
0 |
0 |
0 |
| ODI |
0 |
13 |
1 |
20 |
18 |
0 |
0 |
0 |
| CDI |
0 |
7 |
0 |
12 |
28 |
62 |
46 |
16 |
| VCDI |
0 |
6 |
2 |
18 |
190 |
1965 |
11131 |
18311 |
|
...date precedes bulletin
|
Date: 2021-02-11:
| 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 |
0 |
35 |
1 |
20 |
18 |
0 |
0 |
0 |
| OW |
0 |
6 |
2 |
11 |
50 |
3 |
0 |
0 |
| VODI |
0 |
4 |
0 |
15 |
42 |
9 |
0 |
0 |
| ODI |
0 |
0 |
2 |
10 |
33 |
10 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
18 |
27 |
48 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
29 |
904 |
10837 |
19939 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
36 |
1 |
21 |
20 |
0 |
0 |
0 |
| OW |
0 |
5 |
2 |
7 |
54 |
0 |
0 |
0 |
| VODI |
0 |
3 |
0 |
15 |
39 |
7 |
0 |
0 |
| ODI |
0 |
1 |
2 |
13 |
29 |
10 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
19 |
26 |
49 |
1 |
| VCDI |
0 |
0 |
0 |
4 |
29 |
910 |
10836 |
19938 |
|
Date: 2021-02-13:
| 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 |
25 |
2 |
20 |
9 |
0 |
0 |
0 |
| OW |
0 |
7 |
2 |
5 |
39 |
1 |
0 |
0 |
| VODI |
0 |
3 |
1 |
11 |
54 |
11 |
0 |
0 |
| ODI |
0 |
0 |
2 |
17 |
40 |
10 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
19 |
17 |
4 |
36 |
| VCDI |
0 |
0 |
0 |
0 |
27 |
206 |
6692 |
24813 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
25 |
1 |
20 |
11 |
0 |
0 |
0 |
| OW |
0 |
5 |
2 |
2 |
39 |
0 |
0 |
0 |
| VODI |
0 |
5 |
2 |
12 |
56 |
9 |
0 |
0 |
| ODI |
0 |
0 |
2 |
11 |
33 |
9 |
0 |
0 |
| CDI |
0 |
0 |
0 |
17 |
22 |
15 |
1 |
35 |
| VCDI |
0 |
0 |
0 |
0 |
27 |
212 |
6695 |
24814 |
|
Date: 2021-02-15:
| 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 |
0 |
21 |
3 |
17 |
16 |
0 |
0 |
0 |
| OW |
0 |
1 |
2 |
10 |
20 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
14 |
41 |
13 |
0 |
0 |
| ODI |
0 |
0 |
0 |
8 |
58 |
21 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
29 |
31 |
1 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
239 |
4554 |
26962 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
18 |
2 |
16 |
17 |
0 |
0 |
0 |
| OW |
0 |
3 |
3 |
4 |
29 |
0 |
0 |
0 |
| VODI |
0 |
1 |
0 |
12 |
42 |
19 |
0 |
0 |
| ODI |
0 |
0 |
0 |
12 |
38 |
13 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
32 |
19 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
25 |
253 |
4555 |
26962 |
|
Date: 2021-02-17:
| 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 |
0 |
12 |
2 |
24 |
7 |
0 |
0 |
0 |
| OW |
0 |
0 |
1 |
9 |
14 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
10 |
34 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
3 |
48 |
9 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
60 |
25 |
0 |
11 |
| VCDI |
0 |
0 |
0 |
0 |
40 |
445 |
5118 |
26210 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
11 |
1 |
18 |
6 |
0 |
0 |
0 |
| OW |
0 |
1 |
1 |
7 |
17 |
0 |
0 |
0 |
| VODI |
0 |
0 |
1 |
11 |
32 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
8 |
40 |
11 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
54 |
27 |
0 |
49 |
| VCDI |
0 |
0 |
0 |
0 |
54 |
441 |
5118 |
26172 |
|
Date: 2021-02-19:
| 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 |
0 |
0 |
0 |
22 |
8 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
5 |
13 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
4 |
31 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
37 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
45 |
4 |
0 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
53 |
355 |
4463 |
27036 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
23 |
12 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
6 |
24 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
1 |
42 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
1 |
39 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
48 |
10 |
0 |
8 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
349 |
4463 |
27034 |
|
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