Validation of sea ice concentration - Asian sector
Bulletin date: 2021-11-18
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-11-12:
| 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 |
710 |
2101 |
18 |
55 |
0 |
0 |
0 |
0 |
| OW |
0 |
204 |
7 |
55 |
16 |
0 |
0 |
0 |
| VODI |
0 |
138 |
25 |
135 |
94 |
0 |
0 |
0 |
| ODI |
0 |
22 |
5 |
68 |
127 |
12 |
16 |
0 |
| CDI |
0 |
0 |
0 |
47 |
159 |
133 |
72 |
21 |
| VCDI |
0 |
0 |
0 |
22 |
256 |
1360 |
6271 |
19933 |
|
...date precedes bulletin
|
Date: 2021-11-14:
| 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 |
409 |
2031 |
11 |
67 |
8 |
0 |
0 |
0 |
| OW |
0 |
201 |
15 |
63 |
40 |
0 |
0 |
0 |
| VODI |
0 |
81 |
7 |
146 |
104 |
8 |
0 |
0 |
| ODI |
0 |
8 |
4 |
73 |
219 |
39 |
0 |
1 |
| CDI |
0 |
0 |
0 |
3 |
194 |
103 |
89 |
37 |
| VCDI |
0 |
0 |
0 |
0 |
64 |
1308 |
7292 |
19457 |
|
...date precedes bulletin
|
Date: 2021-11-16:
| 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 |
63 |
2060 |
34 |
174 |
45 |
0 |
0 |
0 |
| OW |
1 |
72 |
17 |
99 |
98 |
1 |
0 |
0 |
| VODI |
0 |
10 |
2 |
83 |
102 |
23 |
0 |
0 |
| ODI |
0 |
0 |
1 |
29 |
146 |
75 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
179 |
335 |
24 |
40 |
| VCDI |
0 |
0 |
0 |
0 |
93 |
1698 |
10287 |
16291 |
|
...date precedes bulletin
|
Date: 2021-11-18:
| 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 |
49 |
1706 |
42 |
214 |
51 |
1 |
0 |
0 |
| OW |
1 |
41 |
12 |
124 |
126 |
3 |
0 |
0 |
| VODI |
0 |
28 |
0 |
54 |
192 |
30 |
0 |
0 |
| ODI |
0 |
21 |
2 |
14 |
110 |
60 |
0 |
0 |
| CDI |
0 |
3 |
2 |
43 |
92 |
150 |
36 |
13 |
| VCDI |
0 |
0 |
0 |
27 |
197 |
870 |
6990 |
20778 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
49 |
1715 |
47 |
257 |
49 |
1 |
0 |
0 |
| OW |
1 |
32 |
6 |
87 |
124 |
4 |
0 |
0 |
| VODI |
0 |
29 |
1 |
49 |
219 |
25 |
0 |
0 |
| ODI |
0 |
20 |
2 |
13 |
102 |
63 |
1 |
0 |
| CDI |
0 |
3 |
1 |
33 |
79 |
139 |
42 |
13 |
| VCDI |
0 |
0 |
1 |
37 |
195 |
882 |
6983 |
20778 |
|
Date: 2021-11-20:
| 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 |
1747 |
22 |
47 |
0 |
0 |
0 |
0 |
| OW |
0 |
144 |
24 |
138 |
24 |
0 |
0 |
0 |
| VODI |
0 |
54 |
12 |
158 |
54 |
8 |
0 |
0 |
| ODI |
0 |
30 |
4 |
55 |
99 |
43 |
0 |
0 |
| CDI |
0 |
12 |
3 |
28 |
120 |
64 |
23 |
5 |
| VCDI |
0 |
0 |
0 |
30 |
159 |
1017 |
5347 |
22586 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25 |
1764 |
23 |
64 |
4 |
0 |
0 |
0 |
| OW |
0 |
134 |
22 |
157 |
19 |
0 |
0 |
0 |
| VODI |
0 |
49 |
13 |
125 |
75 |
25 |
0 |
0 |
| ODI |
0 |
23 |
4 |
50 |
106 |
45 |
0 |
0 |
| CDI |
0 |
11 |
1 |
26 |
98 |
59 |
24 |
7 |
| VCDI |
0 |
6 |
2 |
34 |
154 |
1003 |
5346 |
22584 |
|
Date: 2021-11-22:
| 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 |
21 |
1711 |
24 |
47 |
7 |
0 |
0 |
0 |
| OW |
0 |
123 |
21 |
108 |
15 |
1 |
0 |
0 |
| VODI |
0 |
63 |
8 |
135 |
85 |
7 |
0 |
0 |
| ODI |
0 |
39 |
1 |
35 |
161 |
35 |
0 |
0 |
| CDI |
0 |
28 |
5 |
22 |
79 |
93 |
17 |
19 |
| VCDI |
0 |
24 |
10 |
75 |
216 |
1053 |
5981 |
21813 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21 |
1575 |
24 |
62 |
9 |
0 |
0 |
0 |
| OW |
0 |
151 |
16 |
82 |
33 |
6 |
0 |
0 |
| VODI |
0 |
119 |
7 |
101 |
118 |
37 |
0 |
0 |
| ODI |
0 |
61 |
7 |
47 |
93 |
30 |
7 |
0 |
| CDI |
0 |
44 |
4 |
32 |
59 |
82 |
24 |
34 |
| VCDI |
0 |
38 |
11 |
98 |
251 |
1034 |
5967 |
21798 |
|
Date: 2021-11-24:
| 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 |
1 |
1388 |
26 |
95 |
2 |
0 |
0 |
0 |
| OW |
0 |
76 |
17 |
131 |
34 |
1 |
0 |
0 |
| VODI |
0 |
25 |
9 |
99 |
106 |
8 |
0 |
0 |
| ODI |
0 |
8 |
2 |
46 |
139 |
27 |
0 |
0 |
| CDI |
0 |
5 |
2 |
18 |
152 |
86 |
62 |
2 |
| VCDI |
0 |
0 |
2 |
35 |
201 |
1396 |
7103 |
20778 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1 |
1262 |
24 |
89 |
0 |
0 |
0 |
0 |
| OW |
0 |
139 |
7 |
86 |
35 |
1 |
0 |
0 |
| VODI |
0 |
71 |
19 |
117 |
115 |
10 |
0 |
0 |
| ODI |
0 |
20 |
3 |
63 |
144 |
44 |
0 |
0 |
| CDI |
0 |
10 |
4 |
26 |
131 |
99 |
49 |
14 |
| VCDI |
0 |
0 |
1 |
43 |
209 |
1364 |
7116 |
20766 |
|
Date: 2021-11-26:
| 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 |
1003 |
47 |
182 |
71 |
0 |
0 |
0 |
| OW |
0 |
14 |
9 |
123 |
107 |
10 |
0 |
0 |
| VODI |
0 |
1 |
2 |
75 |
124 |
49 |
0 |
0 |
| ODI |
0 |
0 |
0 |
16 |
107 |
95 |
15 |
0 |
| CDI |
0 |
0 |
0 |
4 |
54 |
236 |
40 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
55 |
733 |
9015 |
19886 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
839 |
23 |
150 |
82 |
1 |
0 |
0 |
| OW |
0 |
131 |
13 |
72 |
75 |
24 |
0 |
0 |
| VODI |
0 |
44 |
18 |
83 |
77 |
85 |
1 |
0 |
| ODI |
0 |
4 |
4 |
66 |
71 |
72 |
12 |
0 |
| CDI |
0 |
0 |
0 |
29 |
114 |
115 |
45 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
99 |
826 |
9012 |
19889 |
|
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