Validation of sea ice concentration - Asian sector
Bulletin date: 2024-11-28
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-11-22:
| 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 |
15 |
1624 |
58 |
43 |
15 |
3 |
0 |
0 |
| OW |
0 |
141 |
79 |
163 |
79 |
41 |
0 |
0 |
| VODI |
0 |
37 |
43 |
95 |
103 |
46 |
0 |
0 |
| ODI |
0 |
23 |
10 |
37 |
119 |
100 |
7 |
0 |
| CDI |
0 |
7 |
3 |
9 |
136 |
566 |
140 |
15 |
| VCDI |
0 |
0 |
0 |
0 |
43 |
993 |
11788 |
15501 |
|
...date precedes bulletin
|
Date: 2024-11-24:
| 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 |
54 |
1719 |
24 |
6 |
0 |
0 |
0 |
0 |
| OW |
10 |
252 |
56 |
104 |
78 |
8 |
0 |
0 |
| VODI |
1 |
142 |
31 |
56 |
93 |
32 |
0 |
0 |
| ODI |
0 |
63 |
19 |
45 |
45 |
60 |
1 |
0 |
| CDI |
0 |
12 |
17 |
42 |
126 |
448 |
41 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
46 |
1300 |
10921 |
16221 |
|
...date precedes bulletin
|
Date: 2024-11-26:
| 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 |
4 |
1815 |
24 |
15 |
0 |
0 |
0 |
0 |
| OW |
0 |
325 |
65 |
72 |
11 |
0 |
0 |
0 |
| VODI |
0 |
77 |
54 |
129 |
83 |
12 |
0 |
0 |
| ODI |
0 |
16 |
15 |
73 |
173 |
115 |
1 |
0 |
| CDI |
0 |
5 |
7 |
28 |
160 |
818 |
132 |
2 |
| VCDI |
0 |
11 |
2 |
14 |
126 |
1930 |
11490 |
14278 |
|
...date precedes bulletin
|
Date: 2024-11-28:
| 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 |
1 |
1580 |
39 |
19 |
0 |
0 |
0 |
0 |
| OW |
0 |
220 |
87 |
112 |
34 |
0 |
0 |
0 |
| VODI |
0 |
29 |
25 |
124 |
131 |
22 |
0 |
0 |
| ODI |
0 |
5 |
4 |
39 |
183 |
191 |
1 |
1 |
| CDI |
0 |
2 |
0 |
16 |
146 |
777 |
277 |
19 |
| VCDI |
0 |
11 |
0 |
3 |
86 |
1756 |
11577 |
14565 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1 |
1592 |
45 |
17 |
2 |
0 |
0 |
0 |
| OW |
0 |
211 |
79 |
121 |
22 |
0 |
0 |
0 |
| VODI |
0 |
25 |
26 |
117 |
147 |
19 |
0 |
0 |
| ODI |
0 |
6 |
5 |
39 |
172 |
184 |
1 |
1 |
| CDI |
0 |
2 |
0 |
16 |
148 |
818 |
343 |
23 |
| VCDI |
0 |
11 |
0 |
3 |
89 |
1725 |
11511 |
14561 |
|
Date: 2024-11-30:
| 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 |
16 |
1703 |
3 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
332 |
37 |
38 |
6 |
0 |
0 |
0 |
| VODI |
0 |
108 |
55 |
89 |
45 |
1 |
0 |
0 |
| ODI |
0 |
35 |
21 |
65 |
133 |
23 |
21 |
0 |
| CDI |
0 |
16 |
15 |
54 |
212 |
275 |
60 |
0 |
| VCDI |
0 |
8 |
8 |
17 |
100 |
2474 |
11664 |
14448 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16 |
1714 |
2 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
328 |
36 |
35 |
5 |
0 |
0 |
0 |
| VODI |
0 |
104 |
60 |
93 |
55 |
0 |
0 |
0 |
| ODI |
0 |
34 |
18 |
71 |
118 |
22 |
21 |
0 |
| CDI |
0 |
14 |
15 |
46 |
219 |
261 |
66 |
0 |
| VCDI |
0 |
8 |
8 |
18 |
99 |
2490 |
11658 |
14448 |
|
Date: 2024-12-02:
| 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 |
2 |
1821 |
26 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
273 |
51 |
64 |
17 |
0 |
0 |
0 |
| VODI |
0 |
124 |
66 |
174 |
78 |
1 |
0 |
0 |
| ODI |
0 |
16 |
17 |
91 |
185 |
70 |
0 |
0 |
| CDI |
0 |
6 |
5 |
45 |
279 |
680 |
70 |
2 |
| VCDI |
0 |
0 |
0 |
7 |
76 |
1863 |
10077 |
15885 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2 |
1767 |
25 |
16 |
0 |
0 |
0 |
0 |
| OW |
0 |
260 |
58 |
85 |
46 |
0 |
0 |
0 |
| VODI |
0 |
124 |
44 |
106 |
66 |
6 |
0 |
0 |
| ODI |
0 |
53 |
15 |
78 |
73 |
68 |
0 |
0 |
| CDI |
0 |
35 |
20 |
86 |
223 |
279 |
20 |
3 |
| VCDI |
0 |
1 |
3 |
21 |
227 |
2261 |
10127 |
15884 |
|
Date: 2024-12-04:
| 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 |
1641 |
39 |
28 |
11 |
0 |
0 |
0 |
| OW |
0 |
198 |
71 |
102 |
41 |
1 |
0 |
0 |
| VODI |
0 |
88 |
52 |
152 |
126 |
13 |
0 |
0 |
| ODI |
0 |
7 |
11 |
91 |
173 |
113 |
0 |
0 |
| CDI |
0 |
0 |
2 |
38 |
186 |
790 |
302 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
59 |
1328 |
9765 |
16653 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1556 |
40 |
31 |
14 |
0 |
0 |
0 |
| OW |
0 |
240 |
58 |
116 |
64 |
8 |
0 |
0 |
| VODI |
0 |
92 |
48 |
119 |
127 |
55 |
0 |
0 |
| ODI |
0 |
45 |
17 |
49 |
110 |
99 |
5 |
0 |
| CDI |
0 |
1 |
12 |
95 |
198 |
530 |
185 |
2 |
| VCDI |
0 |
0 |
0 |
1 |
83 |
1553 |
9877 |
16652 |
|
Date: 2024-12-06:
| 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 |
1318 |
32 |
28 |
7 |
2 |
0 |
0 |
| OW |
0 |
192 |
62 |
84 |
31 |
7 |
0 |
0 |
| VODI |
0 |
58 |
40 |
167 |
137 |
35 |
0 |
0 |
| ODI |
0 |
4 |
7 |
70 |
209 |
159 |
6 |
0 |
| CDI |
0 |
0 |
0 |
16 |
163 |
654 |
356 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
51 |
1031 |
11115 |
16041 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1289 |
38 |
44 |
11 |
8 |
0 |
0 |
| OW |
0 |
221 |
50 |
106 |
55 |
4 |
0 |
0 |
| VODI |
0 |
50 |
36 |
119 |
191 |
140 |
1 |
0 |
| ODI |
0 |
11 |
16 |
49 |
105 |
148 |
9 |
0 |
| CDI |
0 |
1 |
1 |
44 |
132 |
452 |
285 |
2 |
| VCDI |
0 |
0 |
0 |
3 |
104 |
1136 |
11182 |
16039 |
|
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