Validation of sea ice concentration - Asian sector
Bulletin date: 2024-01-11
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-01-05:
| 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 |
1 |
224 |
16 |
40 |
0 |
0 |
0 |
0 |
| OW |
0 |
58 |
8 |
12 |
6 |
0 |
0 |
0 |
| VODI |
0 |
16 |
23 |
45 |
17 |
0 |
0 |
0 |
| ODI |
0 |
1 |
8 |
50 |
26 |
1 |
0 |
0 |
| CDI |
0 |
9 |
10 |
56 |
147 |
154 |
42 |
22 |
| VCDI |
0 |
4 |
27 |
141 |
245 |
1050 |
7058 |
23579 |
|
...date precedes bulletin
|
Date: 2024-01-07:
| 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 |
134 |
12 |
29 |
0 |
0 |
0 |
0 |
| OW |
0 |
82 |
0 |
8 |
7 |
0 |
0 |
0 |
| VODI |
0 |
68 |
13 |
13 |
14 |
0 |
0 |
0 |
| ODI |
0 |
17 |
21 |
49 |
27 |
0 |
0 |
0 |
| CDI |
0 |
5 |
10 |
72 |
134 |
108 |
5 |
14 |
| VCDI |
0 |
38 |
27 |
164 |
299 |
2081 |
5785 |
23860 |
|
...date precedes bulletin
|
Date: 2024-01-09:
| 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 |
127 |
12 |
26 |
0 |
0 |
0 |
0 |
| OW |
0 |
113 |
15 |
14 |
0 |
0 |
0 |
0 |
| VODI |
0 |
22 |
23 |
68 |
5 |
0 |
0 |
0 |
| ODI |
0 |
0 |
1 |
57 |
46 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
19 |
141 |
64 |
0 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
177 |
1270 |
4598 |
26297 |
|
...date precedes bulletin
|
Date: 2024-01-11:
| 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 |
54 |
5 |
39 |
0 |
0 |
0 |
0 |
| OW |
0 |
100 |
18 |
17 |
0 |
0 |
0 |
0 |
| VODI |
0 |
14 |
21 |
81 |
10 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
49 |
55 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
137 |
91 |
4 |
14 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
635 |
5146 |
26595 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
50 |
5 |
40 |
0 |
0 |
0 |
0 |
| OW |
0 |
106 |
18 |
15 |
0 |
0 |
0 |
0 |
| VODI |
0 |
12 |
21 |
72 |
10 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
56 |
52 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
140 |
102 |
6 |
14 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
624 |
5144 |
26595 |
|
Date: 2024-01-13:
| 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 |
45 |
13 |
18 |
0 |
0 |
0 |
0 |
| OW |
0 |
2 |
4 |
76 |
1 |
0 |
0 |
0 |
| VODI |
0 |
4 |
24 |
110 |
11 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
51 |
76 |
1 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
80 |
97 |
43 |
26 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
117 |
2279 |
30013 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
45 |
13 |
15 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
7 |
87 |
1 |
0 |
0 |
0 |
| VODI |
0 |
6 |
21 |
92 |
13 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
55 |
71 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
86 |
114 |
58 |
24 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
101 |
2264 |
30015 |
|
Date: 2024-01-15:
| 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 |
59 |
10 |
5 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
1 |
17 |
20 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
179 |
48 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
23 |
77 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
63 |
129 |
5 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
267 |
5162 |
27025 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
59 |
8 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
3 |
36 |
33 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
128 |
27 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
52 |
49 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
96 |
97 |
5 |
5 |
| VCDI |
0 |
0 |
0 |
1 |
5 |
299 |
5162 |
27023 |
|
Date: 2024-01-17:
| 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 |
90 |
5 |
0 |
2 |
0 |
0 |
0 |
| OW |
0 |
14 |
3 |
10 |
17 |
0 |
0 |
0 |
| VODI |
0 |
5 |
28 |
133 |
40 |
0 |
0 |
0 |
| ODI |
0 |
1 |
8 |
54 |
38 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
18 |
56 |
19 |
6 |
10 |
| VCDI |
0 |
0 |
0 |
5 |
49 |
372 |
4524 |
27589 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
78 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
9 |
6 |
19 |
19 |
0 |
0 |
0 |
| VODI |
0 |
13 |
26 |
75 |
45 |
0 |
0 |
0 |
| ODI |
0 |
7 |
6 |
68 |
21 |
1 |
0 |
0 |
| CDI |
0 |
3 |
5 |
43 |
54 |
24 |
6 |
11 |
| VCDI |
0 |
0 |
0 |
15 |
63 |
366 |
4524 |
27588 |
|
Date: 2024-01-19:
| 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 |
110 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
12 |
9 |
4 |
2 |
7 |
0 |
0 |
0 |
| VODI |
10 |
86 |
9 |
58 |
29 |
0 |
0 |
0 |
| ODI |
6 |
75 |
11 |
8 |
4 |
3 |
0 |
0 |
| CDI |
12 |
7 |
20 |
24 |
10 |
22 |
9 |
1 |
| VCDI |
0 |
0 |
1 |
43 |
126 |
808 |
5799 |
25771 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
10 |
2 |
3 |
6 |
7 |
0 |
0 |
0 |
| VODI |
12 |
22 |
11 |
49 |
31 |
0 |
0 |
0 |
| ODI |
9 |
98 |
3 |
7 |
2 |
1 |
0 |
0 |
| CDI |
28 |
53 |
18 |
36 |
17 |
29 |
1 |
0 |
| VCDI |
0 |
2 |
10 |
37 |
119 |
803 |
5807 |
25772 |
|
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