Validation of sea ice concentration - Asian sector
Bulletin date: 2022-02-03
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-01-28:
| 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 |
180 |
19 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
59 |
22 |
15 |
0 |
0 |
0 |
0 |
| VODI |
0 |
99 |
5 |
23 |
0 |
0 |
0 |
0 |
| ODI |
0 |
92 |
17 |
103 |
64 |
55 |
11 |
0 |
| CDI |
0 |
116 |
40 |
116 |
107 |
166 |
205 |
9 |
| VCDI |
0 |
130 |
236 |
404 |
591 |
2027 |
11885 |
15283 |
|
...date precedes bulletin
|
Date: 2022-01-30:
| 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 |
128 |
14 |
21 |
2 |
0 |
0 |
0 |
| OW |
0 |
40 |
5 |
14 |
14 |
0 |
0 |
0 |
| VODI |
0 |
43 |
20 |
10 |
16 |
0 |
0 |
0 |
| ODI |
0 |
54 |
6 |
5 |
21 |
47 |
3 |
0 |
| CDI |
0 |
79 |
15 |
9 |
129 |
177 |
77 |
22 |
| VCDI |
0 |
54 |
120 |
237 |
732 |
1301 |
10169 |
18498 |
|
...date precedes bulletin
|
Date: 2022-02-01:
| 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 |
170 |
30 |
22 |
1 |
0 |
0 |
0 |
| OW |
0 |
40 |
10 |
18 |
8 |
0 |
0 |
0 |
| VODI |
0 |
40 |
10 |
6 |
29 |
0 |
0 |
0 |
| ODI |
0 |
27 |
10 |
11 |
36 |
14 |
0 |
0 |
| CDI |
0 |
41 |
9 |
11 |
68 |
85 |
28 |
0 |
| VCDI |
0 |
116 |
109 |
172 |
365 |
1495 |
10766 |
18335 |
|
...date precedes bulletin
|
Date: 2022-02-03:
| 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 |
112 |
34 |
27 |
8 |
0 |
0 |
0 |
| OW |
0 |
23 |
18 |
24 |
11 |
3 |
0 |
0 |
| VODI |
0 |
9 |
14 |
32 |
20 |
3 |
1 |
0 |
| ODI |
0 |
8 |
8 |
23 |
15 |
13 |
0 |
0 |
| CDI |
0 |
13 |
4 |
18 |
34 |
59 |
76 |
0 |
| VCDI |
0 |
6 |
31 |
274 |
284 |
893 |
11195 |
18789 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
108 |
29 |
25 |
8 |
1 |
0 |
0 |
| OW |
0 |
23 |
22 |
22 |
10 |
2 |
0 |
0 |
| VODI |
0 |
13 |
13 |
32 |
22 |
6 |
1 |
0 |
| ODI |
0 |
5 |
7 |
24 |
14 |
10 |
0 |
0 |
| CDI |
0 |
15 |
8 |
20 |
18 |
56 |
73 |
0 |
| VCDI |
0 |
7 |
30 |
275 |
300 |
896 |
11198 |
18789 |
|
Date: 2022-02-05:
| 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 |
0 |
105 |
26 |
16 |
0 |
0 |
0 |
0 |
| OW |
0 |
36 |
16 |
9 |
18 |
2 |
0 |
0 |
| VODI |
0 |
35 |
19 |
4 |
18 |
7 |
0 |
0 |
| ODI |
0 |
20 |
20 |
4 |
13 |
10 |
0 |
0 |
| CDI |
0 |
30 |
10 |
12 |
9 |
19 |
29 |
4 |
| VCDI |
0 |
54 |
72 |
190 |
173 |
493 |
10041 |
20568 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
103 |
25 |
15 |
1 |
0 |
0 |
0 |
| OW |
0 |
35 |
13 |
11 |
16 |
2 |
0 |
0 |
| VODI |
0 |
32 |
19 |
3 |
20 |
8 |
0 |
0 |
| ODI |
0 |
21 |
19 |
4 |
15 |
11 |
2 |
0 |
| CDI |
0 |
28 |
13 |
7 |
5 |
10 |
19 |
4 |
| VCDI |
0 |
61 |
74 |
195 |
174 |
500 |
10049 |
20568 |
|
Date: 2022-02-07:
| 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 |
136 |
106 |
17 |
6 |
0 |
0 |
0 |
| OW |
0 |
64 |
6 |
9 |
9 |
4 |
0 |
0 |
| VODI |
0 |
64 |
6 |
12 |
11 |
5 |
0 |
0 |
| ODI |
0 |
42 |
8 |
42 |
18 |
13 |
0 |
0 |
| CDI |
0 |
67 |
68 |
65 |
20 |
44 |
14 |
4 |
| VCDI |
0 |
103 |
118 |
117 |
150 |
553 |
9357 |
20824 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
87 |
66 |
16 |
4 |
0 |
0 |
0 |
| OW |
0 |
48 |
16 |
7 |
8 |
2 |
0 |
0 |
| VODI |
0 |
50 |
13 |
9 |
13 |
5 |
0 |
0 |
| ODI |
0 |
40 |
12 |
2 |
18 |
10 |
0 |
0 |
| CDI |
0 |
43 |
19 |
5 |
11 |
51 |
9 |
0 |
| VCDI |
0 |
208 |
186 |
223 |
160 |
551 |
9362 |
20828 |
|
Date: 2022-02-09:
| 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 |
213 |
45 |
10 |
6 |
1 |
0 |
0 |
| OW |
0 |
80 |
2 |
8 |
4 |
0 |
0 |
0 |
| VODI |
0 |
101 |
2 |
10 |
13 |
7 |
2 |
0 |
| ODI |
0 |
74 |
4 |
14 |
40 |
6 |
0 |
0 |
| CDI |
0 |
80 |
18 |
28 |
64 |
65 |
19 |
9 |
| VCDI |
0 |
286 |
143 |
149 |
222 |
860 |
11771 |
17726 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
166 |
34 |
8 |
3 |
0 |
0 |
0 |
| OW |
0 |
66 |
12 |
16 |
8 |
2 |
0 |
0 |
| VODI |
0 |
66 |
3 |
5 |
12 |
10 |
2 |
0 |
| ODI |
0 |
51 |
1 |
3 |
43 |
3 |
0 |
0 |
| CDI |
0 |
60 |
8 |
9 |
70 |
61 |
19 |
3 |
| VCDI |
0 |
425 |
156 |
178 |
213 |
863 |
11771 |
17732 |
|
Date: 2022-02-11:
| 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 |
138 |
92 |
26 |
8 |
0 |
0 |
0 |
| OW |
0 |
68 |
6 |
9 |
1 |
2 |
0 |
0 |
| VODI |
0 |
108 |
4 |
15 |
13 |
4 |
0 |
0 |
| ODI |
0 |
131 |
14 |
32 |
55 |
13 |
0 |
0 |
| CDI |
0 |
105 |
41 |
42 |
84 |
50 |
111 |
6 |
| VCDI |
0 |
370 |
175 |
183 |
407 |
1074 |
11445 |
17250 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
100 |
78 |
27 |
6 |
0 |
0 |
0 |
| OW |
0 |
53 |
15 |
13 |
9 |
2 |
0 |
0 |
| VODI |
0 |
74 |
7 |
20 |
28 |
10 |
0 |
0 |
| ODI |
0 |
66 |
9 |
29 |
50 |
12 |
0 |
0 |
| CDI |
0 |
71 |
16 |
28 |
72 |
63 |
69 |
15 |
| VCDI |
0 |
556 |
207 |
190 |
403 |
1056 |
11487 |
17241 |
|
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