Validation of sea ice concentration - Asian sector
Bulletin date: 2022-12-01
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-11-25:
| 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 |
1748 |
22 |
62 |
70 |
0 |
0 |
0 |
| OW |
0 |
122 |
11 |
38 |
23 |
0 |
0 |
0 |
| VODI |
0 |
43 |
13 |
83 |
73 |
11 |
0 |
0 |
| ODI |
0 |
3 |
0 |
60 |
93 |
42 |
0 |
0 |
| CDI |
0 |
10 |
1 |
7 |
103 |
107 |
18 |
8 |
| VCDI |
0 |
14 |
5 |
24 |
108 |
675 |
6925 |
21560 |
|
...date precedes bulletin
|
Date: 2022-11-27:
| 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 |
1739 |
25 |
82 |
66 |
0 |
0 |
0 |
| OW |
0 |
126 |
7 |
46 |
27 |
2 |
0 |
0 |
| VODI |
0 |
43 |
16 |
69 |
47 |
26 |
0 |
0 |
| ODI |
0 |
6 |
3 |
61 |
70 |
66 |
0 |
0 |
| CDI |
0 |
7 |
1 |
10 |
97 |
139 |
17 |
25 |
| VCDI |
0 |
3 |
3 |
46 |
101 |
350 |
6576 |
22180 |
|
...date precedes bulletin
|
Date: 2022-11-29:
| 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 |
1799 |
30 |
98 |
63 |
16 |
0 |
0 |
| OW |
0 |
53 |
19 |
86 |
16 |
9 |
0 |
0 |
| VODI |
0 |
12 |
3 |
99 |
54 |
21 |
0 |
0 |
| ODI |
0 |
3 |
0 |
25 |
110 |
72 |
0 |
0 |
| CDI |
0 |
4 |
1 |
9 |
94 |
212 |
56 |
19 |
| VCDI |
0 |
1 |
3 |
28 |
73 |
244 |
7184 |
21566 |
|
...date precedes bulletin
|
Date: 2022-12-01:
| 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 |
2 |
1892 |
31 |
82 |
41 |
0 |
0 |
0 |
| OW |
0 |
105 |
16 |
81 |
19 |
0 |
0 |
0 |
| VODI |
0 |
48 |
12 |
99 |
79 |
0 |
0 |
0 |
| ODI |
0 |
12 |
2 |
57 |
146 |
12 |
0 |
0 |
| CDI |
0 |
12 |
2 |
33 |
178 |
128 |
14 |
17 |
| VCDI |
0 |
14 |
2 |
46 |
195 |
832 |
5890 |
21983 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2 |
1931 |
34 |
88 |
40 |
0 |
0 |
0 |
| OW |
0 |
80 |
14 |
84 |
16 |
0 |
0 |
0 |
| VODI |
0 |
37 |
12 |
94 |
64 |
0 |
0 |
0 |
| ODI |
0 |
13 |
2 |
57 |
158 |
1 |
0 |
0 |
| CDI |
0 |
11 |
1 |
34 |
189 |
134 |
14 |
22 |
| VCDI |
0 |
11 |
2 |
41 |
191 |
837 |
5890 |
21978 |
|
Date: 2022-12-03:
| 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 |
1796 |
22 |
82 |
107 |
0 |
0 |
0 |
| OW |
0 |
112 |
18 |
71 |
36 |
0 |
0 |
0 |
| VODI |
0 |
86 |
8 |
95 |
93 |
16 |
0 |
0 |
| ODI |
0 |
38 |
3 |
54 |
148 |
45 |
0 |
0 |
| CDI |
0 |
26 |
3 |
50 |
143 |
210 |
35 |
1 |
| VCDI |
0 |
14 |
3 |
78 |
236 |
1596 |
9606 |
17251 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1858 |
31 |
91 |
105 |
0 |
0 |
0 |
| OW |
0 |
75 |
11 |
69 |
43 |
0 |
0 |
0 |
| VODI |
0 |
76 |
6 |
88 |
85 |
15 |
0 |
0 |
| ODI |
0 |
34 |
4 |
59 |
150 |
42 |
0 |
0 |
| CDI |
0 |
20 |
1 |
49 |
141 |
213 |
43 |
14 |
| VCDI |
0 |
9 |
4 |
74 |
239 |
1597 |
9598 |
17238 |
|
Date: 2022-12-05:
| 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 |
52 |
1913 |
29 |
201 |
17 |
0 |
0 |
0 |
| OW |
0 |
134 |
17 |
102 |
35 |
0 |
0 |
0 |
| VODI |
0 |
103 |
18 |
127 |
112 |
0 |
0 |
0 |
| ODI |
0 |
61 |
9 |
118 |
147 |
3 |
0 |
0 |
| CDI |
0 |
35 |
3 |
54 |
155 |
128 |
5 |
12 |
| VCDI |
0 |
7 |
4 |
38 |
155 |
1182 |
5369 |
21737 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
52 |
1821 |
23 |
188 |
24 |
0 |
0 |
0 |
| OW |
0 |
148 |
16 |
67 |
35 |
0 |
0 |
0 |
| VODI |
0 |
159 |
18 |
108 |
62 |
0 |
0 |
0 |
| ODI |
0 |
58 |
13 |
104 |
103 |
0 |
0 |
0 |
| CDI |
0 |
31 |
3 |
58 |
145 |
32 |
4 |
32 |
| VCDI |
0 |
36 |
7 |
115 |
252 |
1281 |
5370 |
21717 |
|
Date: 2022-12-07:
| 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 |
1666 |
35 |
199 |
35 |
0 |
0 |
0 |
| OW |
0 |
84 |
10 |
81 |
51 |
0 |
0 |
0 |
| VODI |
0 |
46 |
12 |
187 |
136 |
0 |
0 |
0 |
| ODI |
0 |
3 |
3 |
112 |
214 |
1 |
0 |
0 |
| CDI |
0 |
0 |
0 |
18 |
215 |
87 |
16 |
12 |
| VCDI |
0 |
0 |
0 |
0 |
154 |
2182 |
5460 |
21063 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1593 |
24 |
141 |
34 |
0 |
0 |
0 |
| OW |
0 |
82 |
15 |
87 |
28 |
0 |
0 |
0 |
| VODI |
0 |
66 |
10 |
114 |
101 |
0 |
0 |
0 |
| ODI |
0 |
35 |
4 |
130 |
121 |
2 |
0 |
0 |
| CDI |
0 |
23 |
7 |
78 |
206 |
37 |
0 |
17 |
| VCDI |
0 |
0 |
0 |
47 |
315 |
2231 |
5476 |
21058 |
|
Date: 2022-12-09:
| 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 |
1381 |
40 |
132 |
69 |
17 |
0 |
0 |
| OW |
0 |
36 |
6 |
121 |
45 |
30 |
0 |
0 |
| VODI |
0 |
4 |
2 |
84 |
77 |
22 |
0 |
0 |
| ODI |
0 |
0 |
0 |
29 |
127 |
55 |
0 |
0 |
| CDI |
0 |
0 |
0 |
12 |
237 |
208 |
1 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
76 |
1206 |
5393 |
22670 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1202 |
22 |
82 |
39 |
0 |
0 |
0 |
| OW |
0 |
159 |
13 |
94 |
45 |
4 |
0 |
0 |
| VODI |
0 |
45 |
9 |
103 |
62 |
46 |
0 |
0 |
| ODI |
0 |
8 |
1 |
35 |
82 |
36 |
0 |
0 |
| CDI |
0 |
5 |
2 |
27 |
136 |
98 |
17 |
41 |
| VCDI |
0 |
2 |
1 |
37 |
267 |
1354 |
5377 |
22631 |
|
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