Validation of sea ice concentration - Asian sector
Bulletin date: 2022-01-27
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-01-21:
| 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 |
32 |
12 |
10 |
23 |
0 |
0 |
0 |
| OW |
0 |
11 |
4 |
6 |
31 |
2 |
0 |
0 |
| VODI |
0 |
9 |
4 |
20 |
30 |
9 |
0 |
0 |
| ODI |
0 |
11 |
3 |
25 |
27 |
6 |
0 |
0 |
| CDI |
0 |
11 |
11 |
21 |
27 |
50 |
7 |
12 |
| VCDI |
0 |
77 |
39 |
104 |
198 |
645 |
9823 |
20782 |
|
...date precedes bulletin
|
Date: 2022-01-23:
| 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 |
12 |
52 |
18 |
7 |
0 |
0 |
0 |
| OW |
0 |
5 |
15 |
29 |
5 |
0 |
0 |
0 |
| VODI |
0 |
1 |
25 |
43 |
11 |
0 |
0 |
0 |
| ODI |
0 |
0 |
21 |
28 |
10 |
0 |
0 |
0 |
| CDI |
0 |
1 |
28 |
23 |
17 |
6 |
0 |
0 |
| VCDI |
0 |
0 |
109 |
126 |
105 |
348 |
9500 |
21537 |
|
...date precedes bulletin
|
Date: 2022-01-25:
| 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 |
207 |
26 |
8 |
0 |
0 |
0 |
0 |
| OW |
0 |
84 |
16 |
9 |
0 |
0 |
0 |
0 |
| VODI |
0 |
80 |
15 |
19 |
1 |
0 |
0 |
0 |
| ODI |
0 |
72 |
48 |
34 |
37 |
6 |
0 |
0 |
| CDI |
0 |
67 |
64 |
59 |
73 |
45 |
37 |
7 |
| VCDI |
0 |
131 |
105 |
205 |
293 |
1160 |
10746 |
18428 |
|
...date precedes bulletin
|
Date: 2022-01-27:
| 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 |
190 |
42 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
72 |
24 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
136 |
23 |
23 |
12 |
3 |
0 |
0 |
| ODI |
0 |
81 |
48 |
53 |
68 |
31 |
5 |
0 |
| CDI |
0 |
80 |
84 |
63 |
109 |
164 |
174 |
3 |
| VCDI |
0 |
156 |
246 |
361 |
515 |
2178 |
11858 |
15280 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
173 |
33 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
56 |
25 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
110 |
38 |
23 |
11 |
5 |
0 |
0 |
| ODI |
0 |
99 |
46 |
59 |
75 |
32 |
5 |
0 |
| CDI |
0 |
107 |
72 |
62 |
106 |
160 |
176 |
4 |
| VCDI |
0 |
170 |
253 |
356 |
512 |
2179 |
11856 |
15279 |
|
Date: 2022-01-29:
| 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 |
152 |
15 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
47 |
11 |
27 |
3 |
0 |
0 |
0 |
| VODI |
0 |
69 |
10 |
12 |
9 |
0 |
0 |
0 |
| ODI |
0 |
71 |
1 |
42 |
108 |
35 |
8 |
0 |
| CDI |
0 |
89 |
30 |
60 |
161 |
136 |
102 |
55 |
| VCDI |
0 |
78 |
124 |
481 |
616 |
1466 |
10941 |
17112 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
142 |
10 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
41 |
9 |
19 |
2 |
0 |
0 |
0 |
| VODI |
0 |
56 |
17 |
22 |
17 |
0 |
0 |
0 |
| ODI |
0 |
57 |
1 |
51 |
120 |
36 |
7 |
0 |
| CDI |
0 |
89 |
10 |
46 |
146 |
147 |
113 |
65 |
| VCDI |
0 |
121 |
144 |
484 |
612 |
1454 |
10931 |
17102 |
|
Date: 2022-01-31:
| 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 |
194 |
31 |
23 |
0 |
0 |
0 |
0 |
| OW |
0 |
36 |
12 |
17 |
8 |
0 |
0 |
0 |
| VODI |
0 |
41 |
9 |
8 |
24 |
0 |
0 |
0 |
| ODI |
0 |
44 |
15 |
24 |
18 |
16 |
2 |
0 |
| CDI |
0 |
18 |
18 |
28 |
105 |
95 |
62 |
0 |
| VCDI |
0 |
62 |
75 |
145 |
506 |
1474 |
9923 |
19049 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
113 |
17 |
21 |
2 |
0 |
0 |
0 |
| OW |
0 |
33 |
1 |
15 |
8 |
0 |
0 |
0 |
| VODI |
0 |
47 |
8 |
4 |
20 |
0 |
0 |
0 |
| ODI |
0 |
27 |
17 |
7 |
17 |
23 |
7 |
0 |
| CDI |
0 |
57 |
6 |
3 |
81 |
150 |
70 |
1 |
| VCDI |
0 |
118 |
111 |
195 |
533 |
1412 |
9910 |
19048 |
|
Date: 2022-02-02:
| 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 |
155 |
26 |
21 |
2 |
0 |
0 |
0 |
| OW |
0 |
41 |
7 |
22 |
7 |
1 |
0 |
0 |
| VODI |
0 |
37 |
13 |
11 |
20 |
4 |
0 |
0 |
| ODI |
0 |
21 |
10 |
8 |
18 |
10 |
3 |
0 |
| CDI |
0 |
29 |
7 |
11 |
52 |
73 |
27 |
0 |
| VCDI |
0 |
131 |
148 |
157 |
338 |
1213 |
12268 |
17191 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
106 |
17 |
17 |
5 |
0 |
0 |
0 |
| OW |
0 |
23 |
1 |
19 |
4 |
2 |
0 |
0 |
| VODI |
0 |
36 |
2 |
12 |
19 |
5 |
0 |
0 |
| ODI |
0 |
27 |
7 |
5 |
16 |
6 |
3 |
0 |
| CDI |
0 |
17 |
24 |
3 |
28 |
64 |
42 |
0 |
| VCDI |
0 |
205 |
160 |
174 |
365 |
1224 |
12253 |
17191 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
87 |
26 |
14 |
10 |
0 |
0 |
0 |
| OW |
0 |
22 |
4 |
15 |
9 |
3 |
0 |
0 |
| VODI |
0 |
20 |
10 |
11 |
21 |
4 |
0 |
0 |
| ODI |
0 |
7 |
14 |
13 |
20 |
13 |
1 |
0 |
| CDI |
0 |
1 |
13 |
21 |
10 |
42 |
54 |
9 |
| VCDI |
0 |
37 |
48 |
227 |
355 |
756 |
9475 |
20710 |
|
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