Validation of sea ice concentration - Asian sector
Bulletin date: 2022-02-10
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-02-04:
| 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 |
30 |
13 |
4 |
0 |
0 |
0 |
| OW |
0 |
23 |
21 |
24 |
11 |
1 |
0 |
0 |
| VODI |
0 |
15 |
14 |
26 |
19 |
4 |
0 |
0 |
| ODI |
0 |
5 |
14 |
19 |
26 |
8 |
0 |
0 |
| CDI |
0 |
10 |
7 |
26 |
22 |
54 |
72 |
6 |
| VCDI |
0 |
14 |
29 |
193 |
343 |
751 |
9458 |
20713 |
|
...date precedes bulletin
|
Date: 2022-02-06:
| 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 |
76 |
43 |
25 |
4 |
0 |
0 |
0 |
| OW |
0 |
38 |
20 |
8 |
16 |
0 |
0 |
0 |
| VODI |
0 |
37 |
19 |
6 |
18 |
3 |
0 |
0 |
| ODI |
0 |
25 |
19 |
8 |
14 |
12 |
1 |
0 |
| CDI |
0 |
25 |
19 |
15 |
3 |
22 |
25 |
0 |
| VCDI |
0 |
81 |
123 |
196 |
156 |
310 |
9708 |
21007 |
|
...date precedes bulletin
|
Date: 2022-02-08:
| 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 |
167 |
88 |
15 |
6 |
0 |
0 |
0 |
| OW |
0 |
76 |
2 |
4 |
4 |
5 |
0 |
0 |
| VODI |
0 |
88 |
0 |
9 |
9 |
9 |
5 |
0 |
| ODI |
0 |
58 |
2 |
19 |
35 |
5 |
1 |
0 |
| CDI |
0 |
72 |
41 |
30 |
58 |
52 |
18 |
0 |
| VCDI |
0 |
196 |
154 |
148 |
188 |
783 |
10649 |
19086 |
|
...date precedes bulletin
|
Date: 2022-02-10:
| 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 |
160 |
68 |
30 |
4 |
0 |
0 |
0 |
| OW |
0 |
80 |
3 |
8 |
4 |
0 |
0 |
0 |
| VODI |
0 |
109 |
0 |
22 |
10 |
1 |
0 |
0 |
| ODI |
0 |
97 |
6 |
17 |
38 |
9 |
2 |
0 |
| CDI |
0 |
89 |
31 |
39 |
62 |
42 |
64 |
8 |
| VCDI |
0 |
338 |
148 |
165 |
336 |
1010 |
13163 |
15919 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
168 |
67 |
30 |
4 |
0 |
0 |
0 |
| OW |
0 |
72 |
4 |
7 |
5 |
0 |
0 |
0 |
| VODI |
0 |
120 |
0 |
24 |
10 |
1 |
0 |
0 |
| ODI |
0 |
107 |
8 |
22 |
36 |
11 |
2 |
0 |
| CDI |
0 |
112 |
44 |
39 |
63 |
39 |
64 |
9 |
| VCDI |
0 |
294 |
133 |
159 |
336 |
1011 |
13163 |
15918 |
|
Date: 2022-02-12:
| 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 |
164 |
46 |
45 |
5 |
3 |
0 |
0 |
| OW |
0 |
71 |
6 |
9 |
3 |
2 |
0 |
0 |
| VODI |
0 |
119 |
4 |
6 |
12 |
1 |
0 |
0 |
| ODI |
0 |
141 |
8 |
13 |
69 |
26 |
1 |
0 |
| CDI |
0 |
133 |
35 |
24 |
115 |
74 |
47 |
80 |
| VCDI |
0 |
398 |
171 |
188 |
486 |
1192 |
9756 |
18629 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
172 |
45 |
45 |
6 |
3 |
0 |
0 |
| OW |
0 |
70 |
7 |
8 |
3 |
2 |
0 |
0 |
| VODI |
0 |
124 |
6 |
9 |
18 |
3 |
0 |
0 |
| ODI |
0 |
161 |
11 |
17 |
66 |
28 |
1 |
0 |
| CDI |
0 |
121 |
32 |
23 |
114 |
76 |
38 |
84 |
| VCDI |
0 |
378 |
169 |
183 |
483 |
1186 |
9765 |
18625 |
|
Date: 2022-02-14:
| 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 |
154 |
65 |
86 |
7 |
0 |
0 |
0 |
| OW |
0 |
65 |
11 |
19 |
4 |
0 |
0 |
0 |
| VODI |
0 |
140 |
61 |
8 |
8 |
4 |
0 |
0 |
| ODI |
0 |
59 |
101 |
19 |
41 |
18 |
0 |
0 |
| CDI |
0 |
39 |
115 |
58 |
101 |
65 |
22 |
29 |
| VCDI |
0 |
77 |
205 |
352 |
551 |
1695 |
9521 |
18382 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
129 |
42 |
72 |
7 |
0 |
0 |
0 |
| OW |
0 |
35 |
15 |
25 |
2 |
0 |
0 |
0 |
| VODI |
0 |
88 |
23 |
9 |
6 |
3 |
0 |
0 |
| ODI |
0 |
106 |
30 |
10 |
57 |
30 |
0 |
0 |
| CDI |
0 |
70 |
102 |
46 |
89 |
88 |
19 |
58 |
| VCDI |
0 |
106 |
346 |
380 |
551 |
1661 |
9524 |
18353 |
|
Date: 2022-02-16:
| 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 |
110 |
49 |
99 |
8 |
0 |
0 |
0 |
| OW |
0 |
28 |
10 |
13 |
15 |
0 |
0 |
0 |
| VODI |
0 |
50 |
20 |
5 |
10 |
7 |
0 |
0 |
| ODI |
0 |
97 |
34 |
11 |
23 |
14 |
1 |
0 |
| CDI |
0 |
177 |
68 |
46 |
46 |
83 |
28 |
9 |
| VCDI |
0 |
157 |
246 |
293 |
497 |
1661 |
8791 |
19376 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
101 |
41 |
74 |
5 |
0 |
0 |
0 |
| OW |
0 |
23 |
10 |
25 |
12 |
0 |
0 |
0 |
| VODI |
0 |
41 |
15 |
14 |
23 |
6 |
0 |
0 |
| ODI |
0 |
84 |
24 |
6 |
26 |
20 |
1 |
0 |
| CDI |
0 |
95 |
55 |
34 |
48 |
104 |
31 |
21 |
| VCDI |
0 |
275 |
282 |
314 |
485 |
1635 |
8788 |
19364 |
|
Date: 2022-02-18:
| 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 |
84 |
34 |
74 |
52 |
1 |
0 |
0 |
| OW |
0 |
15 |
6 |
18 |
16 |
5 |
0 |
0 |
| VODI |
0 |
23 |
17 |
9 |
15 |
5 |
0 |
0 |
| ODI |
0 |
26 |
19 |
4 |
4 |
12 |
1 |
0 |
| CDI |
0 |
44 |
28 |
29 |
18 |
91 |
88 |
8 |
| VCDI |
0 |
240 |
174 |
414 |
346 |
1247 |
10813 |
18102 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
71 |
34 |
60 |
30 |
0 |
0 |
0 |
| OW |
0 |
24 |
3 |
15 |
22 |
3 |
0 |
0 |
| VODI |
0 |
19 |
9 |
18 |
28 |
7 |
0 |
0 |
| ODI |
0 |
23 |
22 |
8 |
11 |
25 |
0 |
0 |
| CDI |
0 |
46 |
27 |
16 |
10 |
88 |
118 |
1 |
| VCDI |
0 |
249 |
183 |
431 |
350 |
1238 |
10784 |
18109 |
|
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