Validation of sea ice concentration - Asian sector
Bulletin date: 2024-03-14
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-03-08:
| 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 |
145 |
9 |
14 |
0 |
0 |
0 |
0 |
| OW |
0 |
112 |
9 |
29 |
7 |
0 |
0 |
0 |
| VODI |
0 |
58 |
14 |
26 |
33 |
0 |
0 |
0 |
| ODI |
0 |
27 |
13 |
34 |
34 |
0 |
0 |
0 |
| CDI |
0 |
17 |
10 |
71 |
76 |
19 |
0 |
9 |
| VCDI |
0 |
0 |
2 |
25 |
150 |
702 |
3598 |
27853 |
|
...date precedes bulletin
|
Date: 2024-03-10:
| 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 |
140 |
9 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
102 |
13 |
30 |
14 |
0 |
0 |
0 |
| VODI |
0 |
65 |
14 |
38 |
17 |
0 |
0 |
0 |
| ODI |
0 |
44 |
6 |
26 |
22 |
2 |
0 |
0 |
| CDI |
0 |
19 |
19 |
52 |
23 |
16 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
27 |
107 |
393 |
3003 |
28884 |
|
...date precedes bulletin
|
Date: 2024-03-12:
| 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 |
146 |
20 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
152 |
11 |
39 |
12 |
0 |
0 |
0 |
| VODI |
0 |
22 |
28 |
35 |
27 |
0 |
0 |
0 |
| ODI |
0 |
0 |
10 |
35 |
25 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
62 |
56 |
35 |
6 |
18 |
| VCDI |
0 |
0 |
0 |
10 |
102 |
416 |
3184 |
28634 |
|
...date precedes bulletin
|
Date: 2024-03-14:
| 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 |
107 |
14 |
17 |
2 |
0 |
0 |
0 |
| OW |
0 |
76 |
25 |
58 |
13 |
0 |
0 |
0 |
| VODI |
0 |
26 |
20 |
43 |
12 |
0 |
0 |
0 |
| ODI |
0 |
2 |
3 |
58 |
16 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
12 |
87 |
41 |
12 |
13 |
| VCDI |
0 |
0 |
0 |
0 |
53 |
700 |
5726 |
25960 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
112 |
18 |
23 |
2 |
0 |
0 |
0 |
| OW |
0 |
71 |
22 |
52 |
12 |
0 |
0 |
0 |
| VODI |
0 |
26 |
19 |
46 |
11 |
0 |
0 |
0 |
| ODI |
0 |
2 |
3 |
60 |
18 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
87 |
44 |
18 |
14 |
| VCDI |
0 |
0 |
0 |
0 |
53 |
697 |
5720 |
25959 |
|
Date: 2024-03-16:
| 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 |
108 |
17 |
34 |
0 |
0 |
0 |
0 |
| OW |
0 |
58 |
33 |
42 |
6 |
0 |
0 |
0 |
| VODI |
0 |
63 |
9 |
32 |
17 |
0 |
0 |
0 |
| ODI |
0 |
32 |
10 |
17 |
12 |
0 |
0 |
0 |
| CDI |
0 |
20 |
28 |
39 |
3 |
7 |
12 |
34 |
| VCDI |
0 |
2 |
3 |
116 |
198 |
412 |
6313 |
25419 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
103 |
24 |
37 |
0 |
0 |
0 |
0 |
| OW |
0 |
74 |
26 |
35 |
6 |
0 |
0 |
0 |
| VODI |
0 |
60 |
9 |
30 |
15 |
0 |
0 |
0 |
| ODI |
0 |
24 |
16 |
22 |
12 |
0 |
0 |
0 |
| CDI |
0 |
22 |
21 |
40 |
7 |
8 |
17 |
37 |
| VCDI |
0 |
0 |
4 |
116 |
196 |
411 |
6308 |
25416 |
|
Date: 2024-03-18:
| 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 |
93 |
24 |
40 |
2 |
0 |
0 |
0 |
| OW |
0 |
115 |
25 |
40 |
7 |
0 |
0 |
0 |
| VODI |
0 |
5 |
23 |
49 |
26 |
0 |
0 |
0 |
| ODI |
0 |
1 |
9 |
41 |
38 |
2 |
0 |
0 |
| CDI |
0 |
0 |
9 |
54 |
27 |
44 |
21 |
1 |
| VCDI |
0 |
0 |
0 |
70 |
136 |
475 |
8280 |
23439 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
89 |
23 |
48 |
5 |
0 |
0 |
0 |
| OW |
0 |
53 |
11 |
28 |
17 |
0 |
0 |
0 |
| VODI |
0 |
54 |
6 |
29 |
27 |
6 |
0 |
0 |
| ODI |
0 |
16 |
23 |
35 |
22 |
6 |
0 |
0 |
| CDI |
0 |
2 |
20 |
55 |
14 |
28 |
21 |
3 |
| VCDI |
0 |
0 |
7 |
99 |
151 |
481 |
8280 |
23437 |
|
Date: 2024-03-20:
| 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 |
64 |
12 |
28 |
7 |
0 |
0 |
0 |
| OW |
0 |
42 |
29 |
66 |
11 |
0 |
0 |
0 |
| VODI |
0 |
5 |
11 |
55 |
33 |
0 |
0 |
0 |
| ODI |
0 |
0 |
3 |
54 |
44 |
1 |
2 |
0 |
| CDI |
0 |
0 |
0 |
13 |
127 |
57 |
65 |
7 |
| VCDI |
0 |
0 |
0 |
0 |
48 |
551 |
7293 |
24468 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
59 |
16 |
34 |
7 |
0 |
0 |
0 |
| OW |
0 |
18 |
8 |
30 |
13 |
0 |
0 |
0 |
| VODI |
0 |
29 |
17 |
60 |
32 |
5 |
0 |
0 |
| ODI |
0 |
5 |
13 |
53 |
42 |
8 |
3 |
0 |
| CDI |
0 |
0 |
1 |
38 |
75 |
22 |
43 |
3 |
| VCDI |
0 |
0 |
0 |
1 |
101 |
574 |
7314 |
24472 |
|
Date: 2024-03-22:
| 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 |
57 |
10 |
15 |
0 |
0 |
0 |
0 |
| OW |
0 |
3 |
4 |
70 |
12 |
0 |
0 |
0 |
| VODI |
0 |
0 |
5 |
58 |
44 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
34 |
92 |
3 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
85 |
146 |
45 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
167 |
4950 |
27294 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
59 |
14 |
15 |
0 |
0 |
0 |
0 |
| OW |
0 |
1 |
4 |
43 |
4 |
0 |
0 |
0 |
| VODI |
0 |
0 |
1 |
69 |
71 |
7 |
0 |
0 |
| ODI |
0 |
0 |
0 |
34 |
72 |
9 |
0 |
0 |
| CDI |
0 |
0 |
0 |
16 |
87 |
61 |
10 |
10 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
240 |
4985 |
27284 |
|
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