Validation of sea ice concentration - Asian sector
Bulletin date: 2022-04-07
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-04-01:
| 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 |
129 |
4 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
36 |
5 |
32 |
1 |
0 |
0 |
0 |
| VODI |
0 |
27 |
3 |
37 |
5 |
0 |
0 |
0 |
| ODI |
0 |
16 |
3 |
28 |
26 |
7 |
0 |
0 |
| CDI |
0 |
11 |
1 |
8 |
54 |
101 |
60 |
14 |
| VCDI |
0 |
23 |
3 |
55 |
157 |
1013 |
8344 |
21872 |
|
...date precedes bulletin
|
Date: 2022-04-03:
| 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 |
100 |
1 |
14 |
0 |
0 |
0 |
0 |
| OW |
0 |
27 |
6 |
30 |
5 |
0 |
0 |
0 |
| VODI |
0 |
16 |
3 |
43 |
15 |
0 |
0 |
0 |
| ODI |
0 |
7 |
3 |
26 |
24 |
11 |
0 |
0 |
| CDI |
0 |
4 |
2 |
19 |
53 |
36 |
50 |
5 |
| VCDI |
0 |
1 |
1 |
52 |
168 |
427 |
6448 |
24485 |
|
...date precedes bulletin
|
Date: 2022-04-05:
| 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 |
77 |
5 |
48 |
0 |
0 |
0 |
0 |
| OW |
0 |
7 |
2 |
47 |
12 |
0 |
0 |
0 |
| VODI |
0 |
5 |
2 |
49 |
31 |
0 |
0 |
0 |
| ODI |
0 |
2 |
2 |
30 |
46 |
7 |
3 |
0 |
| CDI |
0 |
0 |
0 |
27 |
61 |
121 |
44 |
4 |
| VCDI |
0 |
0 |
0 |
48 |
170 |
612 |
6795 |
23825 |
|
...date precedes bulletin
|
Date: 2022-04-07:
| 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 |
68 |
5 |
50 |
0 |
0 |
0 |
0 |
| OW |
0 |
18 |
1 |
35 |
2 |
0 |
0 |
0 |
| VODI |
0 |
12 |
5 |
44 |
13 |
0 |
0 |
0 |
| ODI |
0 |
6 |
1 |
39 |
21 |
9 |
0 |
0 |
| CDI |
0 |
7 |
2 |
34 |
39 |
136 |
28 |
16 |
| VCDI |
0 |
0 |
0 |
57 |
204 |
1381 |
8750 |
21099 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
70 |
5 |
53 |
0 |
0 |
0 |
0 |
| OW |
0 |
18 |
1 |
30 |
1 |
0 |
0 |
0 |
| VODI |
0 |
10 |
5 |
44 |
13 |
0 |
0 |
0 |
| ODI |
0 |
5 |
1 |
39 |
22 |
7 |
0 |
0 |
| CDI |
0 |
8 |
2 |
31 |
43 |
142 |
23 |
15 |
| VCDI |
0 |
0 |
0 |
62 |
200 |
1377 |
8755 |
21100 |
|
Date: 2022-04-09:
| 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 |
29 |
6 |
49 |
26 |
0 |
0 |
0 |
| OW |
0 |
0 |
1 |
14 |
34 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
16 |
54 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
10 |
44 |
12 |
1 |
0 |
| CDI |
0 |
0 |
0 |
5 |
44 |
152 |
77 |
20 |
| VCDI |
0 |
0 |
0 |
0 |
64 |
1442 |
7869 |
22113 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
29 |
7 |
50 |
29 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
12 |
30 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
17 |
52 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
5 |
41 |
14 |
1 |
0 |
| CDI |
0 |
0 |
0 |
9 |
39 |
158 |
91 |
18 |
| VCDI |
0 |
0 |
0 |
1 |
75 |
1434 |
7855 |
22115 |
|
Date: 2022-04-11:
| 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 |
10 |
3 |
43 |
36 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
22 |
29 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
20 |
69 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
13 |
89 |
14 |
2 |
0 |
| CDI |
0 |
0 |
0 |
15 |
63 |
106 |
17 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
126 |
1423 |
8279 |
21696 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
10 |
3 |
44 |
35 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
16 |
29 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
13 |
46 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
9 |
54 |
16 |
0 |
0 |
| CDI |
0 |
0 |
0 |
13 |
96 |
83 |
18 |
2 |
| VCDI |
0 |
0 |
0 |
25 |
152 |
1444 |
8280 |
21694 |
|
Date: 2022-04-13:
| 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 |
4 |
4 |
89 |
17 |
0 |
0 |
0 |
| OW |
0 |
2 |
0 |
28 |
28 |
0 |
0 |
0 |
| VODI |
0 |
5 |
1 |
31 |
44 |
2 |
0 |
0 |
| ODI |
0 |
6 |
0 |
14 |
56 |
18 |
0 |
0 |
| CDI |
0 |
4 |
1 |
7 |
55 |
93 |
29 |
0 |
| VCDI |
0 |
9 |
3 |
35 |
225 |
1699 |
8159 |
21414 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
4 |
4 |
70 |
10 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
19 |
19 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
22 |
27 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
22 |
34 |
12 |
0 |
0 |
| CDI |
0 |
17 |
0 |
22 |
83 |
134 |
33 |
7 |
| VCDI |
0 |
9 |
5 |
49 |
252 |
1666 |
8155 |
21407 |
|
Date: 2022-04-15:
| 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 |
1 |
0 |
50 |
56 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
17 |
41 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
16 |
46 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
7 |
63 |
16 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
48 |
86 |
17 |
5 |
| VCDI |
0 |
0 |
0 |
25 |
124 |
1400 |
7776 |
22279 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1 |
0 |
43 |
27 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
4 |
34 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
7 |
35 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
13 |
37 |
28 |
4 |
0 |
| CDI |
0 |
0 |
0 |
15 |
87 |
125 |
95 |
24 |
| VCDI |
0 |
0 |
0 |
42 |
158 |
1349 |
7694 |
22260 |
|
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