Validation of sea ice concentration - Asian sector
Bulletin date: 2023-01-05
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-12-30:
| 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 |
11 |
597 |
16 |
65 |
35 |
0 |
0 |
0 |
| OW |
0 |
156 |
7 |
57 |
49 |
4 |
0 |
0 |
| VODI |
0 |
126 |
7 |
56 |
80 |
17 |
0 |
0 |
| ODI |
0 |
67 |
7 |
45 |
79 |
19 |
0 |
0 |
| CDI |
0 |
59 |
2 |
40 |
105 |
156 |
50 |
0 |
| VCDI |
0 |
133 |
15 |
129 |
331 |
1472 |
7113 |
20977 |
|
...date precedes bulletin
|
Date: 2023-01-01:
| 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 |
25 |
399 |
9 |
71 |
32 |
0 |
0 |
0 |
| OW |
0 |
182 |
7 |
87 |
65 |
0 |
0 |
0 |
| VODI |
0 |
162 |
5 |
100 |
120 |
27 |
0 |
0 |
| ODI |
0 |
99 |
2 |
47 |
98 |
36 |
1 |
0 |
| CDI |
0 |
98 |
2 |
16 |
159 |
186 |
24 |
0 |
| VCDI |
0 |
246 |
29 |
165 |
439 |
1331 |
5848 |
21965 |
|
...date precedes bulletin
|
Date: 2023-01-03:
| 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 |
36 |
336 |
1 |
20 |
3 |
0 |
0 |
0 |
| OW |
0 |
85 |
6 |
45 |
82 |
0 |
0 |
0 |
| VODI |
0 |
85 |
1 |
52 |
153 |
2 |
0 |
0 |
| ODI |
0 |
105 |
4 |
38 |
105 |
46 |
0 |
0 |
| CDI |
0 |
55 |
5 |
44 |
88 |
163 |
11 |
2 |
| VCDI |
0 |
101 |
12 |
160 |
346 |
1044 |
4863 |
23983 |
|
...date precedes bulletin
|
Date: 2023-01-05:
| 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 |
23 |
262 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
71 |
3 |
2 |
29 |
5 |
0 |
0 |
| VODI |
0 |
65 |
3 |
14 |
103 |
53 |
0 |
0 |
| ODI |
0 |
42 |
2 |
42 |
91 |
67 |
0 |
0 |
| CDI |
0 |
35 |
3 |
108 |
44 |
144 |
9 |
1 |
| VCDI |
0 |
62 |
6 |
97 |
325 |
1056 |
4681 |
24634 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23 |
255 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
69 |
3 |
2 |
21 |
5 |
0 |
0 |
| VODI |
0 |
66 |
3 |
12 |
98 |
46 |
0 |
0 |
| ODI |
0 |
42 |
2 |
39 |
95 |
67 |
0 |
0 |
| CDI |
0 |
28 |
2 |
95 |
49 |
151 |
8 |
1 |
| VCDI |
0 |
77 |
7 |
115 |
329 |
1056 |
4682 |
24634 |
|
Date: 2023-01-07:
| 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 |
11 |
227 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
47 |
3 |
1 |
0 |
2 |
0 |
0 |
| VODI |
0 |
61 |
4 |
16 |
3 |
62 |
7 |
0 |
| ODI |
0 |
35 |
2 |
33 |
14 |
139 |
14 |
0 |
| CDI |
0 |
13 |
4 |
69 |
62 |
124 |
59 |
2 |
| VCDI |
0 |
0 |
0 |
128 |
259 |
817 |
4097 |
25767 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11 |
227 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
39 |
1 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
53 |
6 |
14 |
0 |
45 |
5 |
0 |
| ODI |
0 |
41 |
2 |
27 |
17 |
126 |
13 |
0 |
| CDI |
0 |
23 |
4 |
54 |
44 |
122 |
63 |
2 |
| VCDI |
0 |
0 |
0 |
152 |
277 |
851 |
4096 |
25767 |
|
Date: 2023-01-09:
| 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 |
299 |
1 |
6 |
0 |
0 |
0 |
0 |
| OW |
0 |
38 |
3 |
16 |
0 |
0 |
0 |
0 |
| VODI |
0 |
27 |
2 |
28 |
6 |
0 |
0 |
0 |
| ODI |
0 |
10 |
1 |
34 |
40 |
22 |
0 |
0 |
| CDI |
0 |
2 |
0 |
72 |
163 |
296 |
14 |
3 |
| VCDI |
0 |
0 |
0 |
25 |
114 |
562 |
4228 |
26070 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
213 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
48 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
48 |
4 |
15 |
0 |
12 |
0 |
0 |
| ODI |
0 |
36 |
1 |
16 |
6 |
44 |
38 |
0 |
| CDI |
0 |
31 |
2 |
34 |
81 |
78 |
55 |
11 |
| VCDI |
0 |
0 |
0 |
116 |
236 |
746 |
4149 |
26062 |
|
Date: 2023-01-11:
| 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 |
19 |
247 |
5 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
53 |
3 |
13 |
0 |
0 |
0 |
0 |
| VODI |
0 |
39 |
1 |
18 |
1 |
0 |
0 |
0 |
| ODI |
0 |
30 |
3 |
13 |
16 |
1 |
5 |
0 |
| CDI |
0 |
40 |
4 |
18 |
53 |
68 |
13 |
0 |
| VCDI |
0 |
44 |
6 |
127 |
203 |
826 |
4521 |
25691 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19 |
196 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
45 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
54 |
3 |
5 |
0 |
0 |
0 |
0 |
| ODI |
0 |
34 |
1 |
12 |
0 |
7 |
0 |
0 |
| CDI |
0 |
49 |
4 |
13 |
35 |
97 |
16 |
0 |
| VCDI |
0 |
75 |
14 |
160 |
238 |
791 |
4523 |
25691 |
|
Date: 2023-01-13:
| 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 |
23 |
200 |
2 |
12 |
0 |
0 |
0 |
0 |
| OW |
0 |
46 |
0 |
11 |
2 |
0 |
0 |
0 |
| VODI |
0 |
57 |
1 |
8 |
13 |
0 |
0 |
0 |
| ODI |
0 |
38 |
3 |
8 |
14 |
11 |
0 |
0 |
| CDI |
0 |
41 |
2 |
23 |
16 |
63 |
17 |
0 |
| VCDI |
0 |
105 |
12 |
152 |
270 |
889 |
5512 |
24531 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23 |
204 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
55 |
1 |
1 |
0 |
0 |
0 |
0 |
| VODI |
0 |
52 |
2 |
14 |
0 |
0 |
0 |
0 |
| ODI |
0 |
34 |
1 |
22 |
1 |
1 |
0 |
0 |
| CDI |
0 |
26 |
1 |
29 |
19 |
32 |
11 |
2 |
| VCDI |
0 |
116 |
15 |
148 |
295 |
930 |
5518 |
24529 |
|
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