Validation of sea ice concentration - Asian sector
Bulletin date: 2023-01-05
Data source: OSI SAF N.H. AMSR 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 |
0 |
476 |
149 |
55 |
32 |
12 |
0 |
0 |
| OW |
0 |
92 |
69 |
60 |
35 |
17 |
0 |
0 |
| VODI |
0 |
64 |
64 |
61 |
68 |
29 |
0 |
0 |
| ODI |
0 |
36 |
48 |
38 |
40 |
55 |
0 |
0 |
| CDI |
0 |
22 |
54 |
35 |
79 |
172 |
50 |
0 |
| VCDI |
0 |
9 |
157 |
160 |
259 |
1389 |
10205 |
17991 |
|
...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 |
0 |
383 |
60 |
37 |
51 |
5 |
0 |
0 |
| OW |
0 |
103 |
63 |
104 |
50 |
21 |
0 |
0 |
| VODI |
0 |
138 |
28 |
100 |
101 |
47 |
0 |
0 |
| ODI |
0 |
88 |
13 |
45 |
85 |
51 |
1 |
0 |
| CDI |
0 |
81 |
18 |
25 |
128 |
173 |
60 |
0 |
| VCDI |
0 |
164 |
187 |
161 |
308 |
1116 |
8489 |
19598 |
|
...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 |
0 |
323 |
54 |
16 |
3 |
0 |
0 |
0 |
| OW |
0 |
65 |
42 |
30 |
67 |
14 |
0 |
0 |
| VODI |
0 |
59 |
36 |
47 |
133 |
18 |
0 |
0 |
| ODI |
0 |
49 |
44 |
50 |
100 |
55 |
0 |
0 |
| CDI |
0 |
25 |
22 |
64 |
79 |
143 |
34 |
1 |
| VCDI |
0 |
66 |
70 |
195 |
305 |
818 |
7150 |
21905 |
|
...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 |
2 |
240 |
32 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
66 |
9 |
4 |
26 |
5 |
0 |
0 |
| VODI |
0 |
51 |
23 |
21 |
91 |
51 |
1 |
0 |
| ODI |
0 |
30 |
28 |
31 |
97 |
56 |
2 |
0 |
| CDI |
0 |
15 |
21 |
90 |
81 |
115 |
21 |
1 |
| VCDI |
0 |
42 |
45 |
102 |
298 |
1005 |
6773 |
22596 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2 |
234 |
31 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
64 |
9 |
1 |
22 |
4 |
0 |
0 |
| VODI |
0 |
53 |
21 |
19 |
86 |
46 |
0 |
0 |
| ODI |
0 |
34 |
24 |
32 |
93 |
58 |
4 |
0 |
| CDI |
0 |
13 |
21 |
74 |
87 |
119 |
19 |
1 |
| VCDI |
0 |
46 |
52 |
122 |
305 |
1005 |
6774 |
22596 |
|
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 |
4 |
218 |
16 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
45 |
6 |
0 |
0 |
2 |
0 |
0 |
| VODI |
0 |
69 |
11 |
1 |
3 |
58 |
11 |
0 |
| ODI |
0 |
25 |
26 |
18 |
20 |
120 |
28 |
0 |
| CDI |
0 |
4 |
20 |
55 |
69 |
128 |
56 |
1 |
| VCDI |
0 |
1 |
23 |
116 |
213 |
840 |
5105 |
24770 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4 |
219 |
15 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
34 |
6 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
65 |
7 |
1 |
0 |
41 |
9 |
0 |
| ODI |
0 |
32 |
26 |
12 |
20 |
111 |
25 |
0 |
| CDI |
0 |
11 |
23 |
41 |
52 |
124 |
59 |
2 |
| VCDI |
0 |
1 |
25 |
136 |
233 |
872 |
5107 |
24769 |
|
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 |
268 |
36 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
32 |
19 |
6 |
0 |
0 |
0 |
0 |
| VODI |
0 |
23 |
20 |
18 |
2 |
0 |
0 |
0 |
| ODI |
0 |
10 |
11 |
31 |
35 |
20 |
0 |
0 |
| CDI |
0 |
2 |
19 |
82 |
125 |
275 |
46 |
1 |
| VCDI |
0 |
0 |
1 |
17 |
76 |
570 |
6283 |
24052 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
204 |
9 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
40 |
8 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
42 |
22 |
3 |
1 |
11 |
0 |
0 |
| ODI |
0 |
26 |
20 |
9 |
8 |
44 |
34 |
0 |
| CDI |
0 |
20 |
24 |
32 |
63 |
89 |
58 |
6 |
| VCDI |
0 |
3 |
23 |
112 |
166 |
721 |
6237 |
24047 |
|
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 |
14 |
250 |
7 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
60 |
3 |
6 |
0 |
0 |
0 |
0 |
| VODI |
0 |
39 |
7 |
9 |
4 |
0 |
0 |
0 |
| ODI |
0 |
18 |
22 |
12 |
6 |
4 |
6 |
0 |
| CDI |
0 |
17 |
29 |
26 |
29 |
62 |
33 |
0 |
| VCDI |
0 |
0 |
48 |
154 |
153 |
719 |
7050 |
23294 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14 |
201 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
45 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
56 |
5 |
1 |
0 |
0 |
0 |
0 |
| ODI |
0 |
37 |
5 |
5 |
0 |
6 |
1 |
0 |
| CDI |
0 |
36 |
24 |
15 |
22 |
83 |
34 |
0 |
| VCDI |
0 |
9 |
82 |
187 |
170 |
696 |
7054 |
23294 |
|
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 |
0 |
221 |
10 |
6 |
0 |
0 |
0 |
0 |
| OW |
0 |
47 |
5 |
3 |
4 |
0 |
0 |
0 |
| VODI |
0 |
58 |
4 |
5 |
8 |
4 |
0 |
0 |
| ODI |
0 |
32 |
10 |
6 |
5 |
21 |
0 |
0 |
| CDI |
0 |
27 |
23 |
23 |
2 |
57 |
30 |
0 |
| VCDI |
0 |
19 |
93 |
200 |
200 |
801 |
6940 |
23218 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
222 |
5 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
57 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
49 |
14 |
5 |
0 |
0 |
0 |
0 |
| ODI |
0 |
20 |
19 |
18 |
1 |
1 |
0 |
0 |
| CDI |
0 |
23 |
11 |
27 |
15 |
28 |
16 |
0 |
| VCDI |
0 |
33 |
96 |
193 |
203 |
854 |
6954 |
23218 |
|
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