Validation of sea ice concentration - Asian sector
Bulletin date: 2022-01-13
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-01-07:
| 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 |
27 |
8 |
60 |
3 |
0 |
0 |
0 |
| OW |
0 |
16 |
1 |
25 |
22 |
0 |
0 |
0 |
| VODI |
0 |
16 |
1 |
5 |
19 |
0 |
0 |
0 |
| ODI |
0 |
9 |
2 |
3 |
12 |
0 |
0 |
0 |
| CDI |
0 |
7 |
1 |
6 |
18 |
71 |
6 |
6 |
| VCDI |
0 |
3 |
1 |
21 |
120 |
607 |
5358 |
25628 |
|
...date precedes bulletin
|
Date: 2022-01-09:
| 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 |
36 |
4 |
27 |
0 |
0 |
0 |
0 |
| OW |
0 |
21 |
4 |
31 |
2 |
0 |
0 |
0 |
| VODI |
0 |
21 |
0 |
28 |
13 |
0 |
0 |
0 |
| ODI |
0 |
14 |
1 |
9 |
4 |
0 |
0 |
0 |
| CDI |
0 |
13 |
0 |
11 |
9 |
22 |
18 |
0 |
| VCDI |
0 |
14 |
2 |
53 |
150 |
644 |
8608 |
22323 |
|
...date precedes bulletin
|
Date: 2022-01-11:
| 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 |
36 |
3 |
35 |
0 |
0 |
0 |
0 |
| OW |
0 |
10 |
3 |
29 |
8 |
0 |
0 |
0 |
| VODI |
0 |
7 |
1 |
35 |
21 |
0 |
0 |
0 |
| ODI |
0 |
3 |
2 |
17 |
12 |
0 |
0 |
0 |
| CDI |
0 |
4 |
1 |
8 |
16 |
22 |
23 |
57 |
| VCDI |
0 |
0 |
0 |
6 |
73 |
347 |
5524 |
25779 |
|
...date precedes bulletin
|
Date: 2022-01-13:
| 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 |
65 |
2 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
27 |
3 |
18 |
0 |
0 |
0 |
0 |
| VODI |
0 |
32 |
6 |
38 |
0 |
0 |
0 |
0 |
| ODI |
0 |
14 |
1 |
23 |
9 |
2 |
0 |
0 |
| CDI |
0 |
13 |
1 |
12 |
16 |
14 |
14 |
27 |
| VCDI |
0 |
11 |
3 |
34 |
132 |
593 |
5432 |
25539 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
65 |
3 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
26 |
2 |
17 |
0 |
0 |
0 |
0 |
| VODI |
0 |
32 |
5 |
35 |
0 |
0 |
0 |
0 |
| ODI |
0 |
16 |
2 |
21 |
7 |
3 |
0 |
0 |
| CDI |
0 |
12 |
1 |
15 |
15 |
11 |
18 |
33 |
| VCDI |
0 |
11 |
3 |
35 |
135 |
595 |
5428 |
25533 |
|
Date: 2022-01-15:
| 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 |
41 |
6 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
30 |
3 |
17 |
0 |
0 |
0 |
0 |
| VODI |
0 |
45 |
2 |
27 |
0 |
0 |
0 |
0 |
| ODI |
0 |
29 |
1 |
18 |
2 |
17 |
2 |
0 |
| CDI |
0 |
32 |
1 |
15 |
9 |
53 |
52 |
56 |
| VCDI |
0 |
63 |
3 |
102 |
206 |
705 |
9454 |
21084 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
49 |
6 |
9 |
0 |
0 |
0 |
0 |
| OW |
0 |
24 |
3 |
19 |
0 |
0 |
0 |
0 |
| VODI |
0 |
41 |
2 |
22 |
0 |
0 |
0 |
0 |
| ODI |
0 |
29 |
1 |
17 |
1 |
18 |
2 |
0 |
| CDI |
0 |
29 |
1 |
16 |
9 |
56 |
56 |
46 |
| VCDI |
0 |
68 |
3 |
103 |
207 |
701 |
9450 |
21094 |
|
Date: 2022-01-17:
| 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 |
73 |
12 |
22 |
0 |
0 |
0 |
0 |
| OW |
0 |
64 |
5 |
15 |
0 |
0 |
0 |
0 |
| VODI |
0 |
49 |
3 |
22 |
0 |
0 |
0 |
0 |
| ODI |
0 |
33 |
0 |
6 |
0 |
5 |
0 |
0 |
| CDI |
0 |
29 |
1 |
11 |
6 |
66 |
49 |
6 |
| VCDI |
0 |
111 |
5 |
136 |
192 |
982 |
9834 |
20345 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
50 |
7 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
27 |
5 |
19 |
0 |
0 |
0 |
0 |
| VODI |
0 |
40 |
5 |
16 |
0 |
0 |
0 |
0 |
| ODI |
0 |
44 |
1 |
16 |
0 |
17 |
6 |
0 |
| CDI |
0 |
35 |
2 |
6 |
17 |
81 |
58 |
15 |
| VCDI |
0 |
163 |
6 |
148 |
181 |
955 |
9819 |
20336 |
|
Date: 2022-01-19:
| 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 |
0 |
57 |
6 |
40 |
0 |
0 |
0 |
0 |
| OW |
0 |
24 |
2 |
42 |
0 |
0 |
0 |
0 |
| VODI |
0 |
36 |
3 |
36 |
0 |
0 |
0 |
0 |
| ODI |
0 |
35 |
0 |
11 |
0 |
5 |
0 |
0 |
| CDI |
0 |
33 |
1 |
6 |
0 |
57 |
35 |
16 |
| VCDI |
0 |
110 |
5 |
103 |
156 |
799 |
8310 |
22154 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
42 |
5 |
17 |
0 |
0 |
0 |
0 |
| OW |
0 |
12 |
0 |
30 |
0 |
0 |
0 |
0 |
| VODI |
0 |
17 |
1 |
53 |
0 |
0 |
0 |
0 |
| ODI |
0 |
26 |
3 |
19 |
0 |
16 |
9 |
0 |
| CDI |
0 |
35 |
1 |
8 |
0 |
61 |
39 |
33 |
| VCDI |
0 |
163 |
7 |
111 |
156 |
784 |
8297 |
22137 |
|
Date: 2022-01-21:
| 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 |
41 |
4 |
13 |
19 |
0 |
0 |
0 |
| OW |
0 |
14 |
1 |
15 |
24 |
0 |
0 |
0 |
| VODI |
0 |
15 |
2 |
23 |
32 |
0 |
0 |
0 |
| ODI |
0 |
15 |
5 |
18 |
33 |
1 |
0 |
0 |
| CDI |
0 |
25 |
1 |
11 |
11 |
58 |
19 |
14 |
| VCDI |
0 |
79 |
7 |
81 |
211 |
704 |
8054 |
22532 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
31 |
3 |
9 |
17 |
0 |
0 |
0 |
| OW |
0 |
11 |
1 |
12 |
15 |
0 |
0 |
0 |
| VODI |
0 |
12 |
1 |
8 |
37 |
0 |
0 |
0 |
| ODI |
0 |
14 |
2 |
6 |
34 |
0 |
3 |
0 |
| CDI |
0 |
23 |
3 |
25 |
23 |
59 |
43 |
3 |
| VCDI |
0 |
98 |
10 |
101 |
204 |
704 |
8027 |
22543 |
|
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