Validation of sea ice concentration - Asian sector
Bulletin date: 2022-11-24
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-11-18:
| 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 |
575 |
1633 |
11 |
31 |
0 |
0 |
0 |
0 |
| OW |
0 |
159 |
4 |
37 |
13 |
0 |
0 |
0 |
| VODI |
0 |
83 |
10 |
53 |
27 |
0 |
0 |
0 |
| ODI |
0 |
60 |
13 |
90 |
26 |
5 |
0 |
0 |
| CDI |
0 |
5 |
6 |
69 |
39 |
90 |
51 |
10 |
| VCDI |
0 |
0 |
1 |
91 |
325 |
1930 |
7115 |
19520 |
|
...date precedes bulletin
|
Date: 2022-11-20:
| 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 |
307 |
1722 |
16 |
41 |
3 |
0 |
0 |
0 |
| OW |
0 |
127 |
13 |
62 |
35 |
0 |
0 |
0 |
| VODI |
0 |
31 |
6 |
107 |
51 |
0 |
0 |
0 |
| ODI |
0 |
10 |
0 |
24 |
91 |
1 |
0 |
0 |
| CDI |
0 |
5 |
0 |
11 |
135 |
67 |
22 |
17 |
| VCDI |
0 |
5 |
2 |
41 |
159 |
958 |
8371 |
19642 |
|
...date precedes bulletin
|
Date: 2022-11-22:
| 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 |
30 |
1901 |
16 |
45 |
6 |
0 |
0 |
0 |
| OW |
0 |
114 |
15 |
46 |
18 |
0 |
0 |
0 |
| VODI |
0 |
36 |
13 |
118 |
86 |
0 |
0 |
0 |
| ODI |
0 |
7 |
2 |
31 |
128 |
10 |
0 |
0 |
| CDI |
0 |
13 |
0 |
5 |
77 |
115 |
15 |
2 |
| VCDI |
0 |
17 |
6 |
41 |
116 |
664 |
3256 |
25133 |
|
...date precedes bulletin
|
Date: 2022-11-24:
| 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 |
5 |
1761 |
18 |
70 |
48 |
0 |
0 |
0 |
| OW |
0 |
117 |
13 |
39 |
27 |
0 |
0 |
0 |
| VODI |
0 |
38 |
12 |
90 |
102 |
8 |
0 |
0 |
| ODI |
0 |
6 |
1 |
33 |
121 |
33 |
0 |
0 |
| CDI |
0 |
8 |
0 |
12 |
82 |
139 |
37 |
2 |
| VCDI |
0 |
13 |
5 |
44 |
96 |
765 |
5961 |
22376 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5 |
1773 |
18 |
69 |
50 |
0 |
0 |
0 |
| OW |
0 |
92 |
12 |
40 |
22 |
0 |
0 |
0 |
| VODI |
0 |
51 |
13 |
79 |
104 |
3 |
0 |
0 |
| ODI |
0 |
6 |
1 |
44 |
115 |
44 |
2 |
0 |
| CDI |
0 |
8 |
0 |
13 |
81 |
147 |
38 |
2 |
| VCDI |
0 |
13 |
5 |
43 |
104 |
751 |
5958 |
22376 |
|
Date: 2022-11-26:
| 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 |
1758 |
26 |
71 |
59 |
0 |
0 |
0 |
| OW |
0 |
134 |
8 |
46 |
22 |
0 |
0 |
0 |
| VODI |
0 |
62 |
15 |
77 |
60 |
2 |
0 |
0 |
| ODI |
0 |
11 |
2 |
74 |
95 |
21 |
0 |
0 |
| CDI |
0 |
12 |
1 |
17 |
125 |
77 |
14 |
41 |
| VCDI |
0 |
29 |
7 |
45 |
151 |
712 |
7333 |
20975 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1781 |
25 |
70 |
58 |
0 |
0 |
0 |
| OW |
0 |
95 |
10 |
43 |
18 |
0 |
0 |
0 |
| VODI |
0 |
78 |
15 |
74 |
53 |
0 |
0 |
0 |
| ODI |
0 |
11 |
1 |
76 |
100 |
20 |
0 |
0 |
| CDI |
0 |
12 |
1 |
22 |
119 |
75 |
11 |
36 |
| VCDI |
0 |
29 |
7 |
45 |
164 |
717 |
7336 |
20980 |
|
Date: 2022-11-28:
| 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 |
14 |
1815 |
28 |
102 |
69 |
0 |
0 |
0 |
| OW |
0 |
71 |
12 |
59 |
20 |
2 |
0 |
0 |
| VODI |
0 |
15 |
11 |
103 |
47 |
11 |
0 |
0 |
| ODI |
0 |
8 |
1 |
18 |
154 |
45 |
0 |
0 |
| CDI |
0 |
5 |
2 |
9 |
76 |
204 |
43 |
4 |
| VCDI |
0 |
0 |
0 |
21 |
71 |
291 |
6265 |
22486 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14 |
1705 |
24 |
97 |
66 |
0 |
0 |
0 |
| OW |
0 |
107 |
6 |
33 |
31 |
2 |
0 |
0 |
| VODI |
0 |
71 |
13 |
60 |
56 |
16 |
0 |
0 |
| ODI |
0 |
18 |
6 |
62 |
78 |
63 |
0 |
0 |
| CDI |
0 |
11 |
3 |
28 |
64 |
100 |
40 |
23 |
| VCDI |
0 |
2 |
2 |
32 |
142 |
372 |
6268 |
22467 |
|
Date: 2022-11-30:
| 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 |
0 |
1801 |
33 |
94 |
63 |
2 |
0 |
0 |
| OW |
0 |
62 |
19 |
102 |
20 |
9 |
0 |
0 |
| VODI |
0 |
14 |
6 |
100 |
76 |
12 |
0 |
0 |
| ODI |
0 |
8 |
1 |
32 |
117 |
60 |
0 |
0 |
| CDI |
0 |
8 |
1 |
12 |
109 |
232 |
14 |
8 |
| VCDI |
0 |
4 |
2 |
28 |
97 |
571 |
6998 |
21367 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1705 |
31 |
101 |
68 |
8 |
0 |
0 |
| OW |
0 |
107 |
9 |
70 |
29 |
13 |
0 |
0 |
| VODI |
0 |
56 |
15 |
90 |
69 |
28 |
0 |
0 |
| ODI |
0 |
11 |
3 |
55 |
93 |
78 |
0 |
0 |
| CDI |
0 |
8 |
1 |
17 |
95 |
131 |
3 |
0 |
| VCDI |
0 |
10 |
3 |
35 |
128 |
628 |
7009 |
21375 |
|
Date: 2022-12-02:
| 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 |
6 |
1846 |
24 |
72 |
80 |
0 |
0 |
0 |
| OW |
0 |
108 |
16 |
79 |
29 |
0 |
0 |
0 |
| VODI |
0 |
71 |
7 |
78 |
79 |
10 |
0 |
0 |
| ODI |
0 |
24 |
4 |
59 |
139 |
39 |
0 |
0 |
| CDI |
0 |
16 |
2 |
44 |
129 |
188 |
59 |
8 |
| VCDI |
0 |
13 |
2 |
62 |
215 |
1080 |
8253 |
19241 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6 |
1717 |
25 |
87 |
83 |
0 |
0 |
0 |
| OW |
0 |
184 |
7 |
54 |
41 |
3 |
0 |
0 |
| VODI |
0 |
98 |
11 |
70 |
84 |
33 |
0 |
0 |
| ODI |
0 |
32 |
6 |
42 |
103 |
56 |
0 |
0 |
| CDI |
0 |
24 |
3 |
48 |
111 |
122 |
24 |
1 |
| VCDI |
0 |
23 |
3 |
93 |
249 |
1103 |
8288 |
19248 |
|
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