Validation of sea ice concentration - Asian sector
Bulletin date: 2022-03-24
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-03-18:
| 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 |
0 |
241 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
72 |
3 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
77 |
1 |
13 |
0 |
0 |
0 |
0 |
| ODI |
0 |
53 |
2 |
40 |
53 |
20 |
3 |
0 |
| CDI |
0 |
60 |
7 |
54 |
115 |
150 |
72 |
20 |
| VCDI |
0 |
330 |
28 |
182 |
460 |
1843 |
10977 |
17206 |
|
...date precedes bulletin
|
Date: 2022-03-20:
| 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 |
0 |
169 |
9 |
13 |
0 |
0 |
0 |
0 |
| OW |
0 |
56 |
3 |
15 |
0 |
0 |
0 |
0 |
| VODI |
0 |
48 |
1 |
37 |
5 |
0 |
0 |
0 |
| ODI |
0 |
49 |
9 |
42 |
27 |
13 |
0 |
0 |
| CDI |
0 |
66 |
4 |
71 |
122 |
142 |
43 |
38 |
| VCDI |
0 |
245 |
19 |
183 |
429 |
1520 |
9808 |
18896 |
|
...date precedes bulletin
|
Date: 2022-03-22:
| 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 |
0 |
198 |
14 |
29 |
1 |
0 |
0 |
0 |
| OW |
0 |
52 |
6 |
18 |
7 |
0 |
0 |
0 |
| VODI |
0 |
98 |
14 |
42 |
11 |
0 |
0 |
0 |
| ODI |
0 |
114 |
6 |
77 |
14 |
8 |
0 |
0 |
| CDI |
0 |
84 |
11 |
79 |
157 |
105 |
69 |
2 |
| VCDI |
0 |
53 |
4 |
98 |
323 |
1592 |
8248 |
20548 |
|
...date precedes bulletin
|
Date: 2022-03-24:
| 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 |
0 |
118 |
13 |
49 |
5 |
0 |
0 |
0 |
| OW |
0 |
39 |
3 |
15 |
12 |
0 |
0 |
0 |
| VODI |
0 |
39 |
1 |
21 |
18 |
0 |
0 |
0 |
| ODI |
0 |
44 |
0 |
18 |
56 |
9 |
1 |
0 |
| CDI |
0 |
82 |
3 |
23 |
108 |
61 |
53 |
15 |
| VCDI |
0 |
99 |
13 |
121 |
326 |
1303 |
7007 |
22407 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
128 |
14 |
53 |
5 |
0 |
0 |
0 |
| OW |
0 |
36 |
2 |
12 |
12 |
0 |
0 |
0 |
| VODI |
0 |
37 |
1 |
23 |
19 |
0 |
0 |
0 |
| ODI |
0 |
47 |
1 |
18 |
69 |
10 |
2 |
0 |
| CDI |
0 |
82 |
6 |
33 |
100 |
78 |
51 |
13 |
| VCDI |
0 |
91 |
9 |
108 |
320 |
1285 |
7008 |
22409 |
|
Date: 2022-03-26:
| 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 |
95 |
10 |
39 |
16 |
0 |
0 |
0 |
| OW |
0 |
35 |
4 |
21 |
12 |
0 |
0 |
0 |
| VODI |
0 |
31 |
2 |
27 |
12 |
0 |
0 |
0 |
| ODI |
0 |
33 |
1 |
9 |
26 |
18 |
0 |
0 |
| CDI |
0 |
41 |
1 |
5 |
51 |
112 |
63 |
4 |
| VCDI |
0 |
81 |
10 |
93 |
202 |
983 |
6492 |
23553 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
108 |
9 |
44 |
17 |
0 |
0 |
0 |
| OW |
0 |
28 |
6 |
20 |
11 |
0 |
0 |
0 |
| VODI |
0 |
35 |
1 |
24 |
14 |
0 |
0 |
0 |
| ODI |
0 |
35 |
1 |
10 |
31 |
33 |
0 |
0 |
| CDI |
0 |
63 |
4 |
6 |
47 |
110 |
69 |
3 |
| VCDI |
0 |
47 |
7 |
90 |
199 |
970 |
6486 |
23554 |
|
Date: 2022-03-28:
| 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 |
0 |
113 |
11 |
73 |
8 |
0 |
0 |
0 |
| OW |
0 |
37 |
3 |
34 |
4 |
0 |
0 |
0 |
| VODI |
0 |
36 |
1 |
29 |
5 |
0 |
0 |
0 |
| ODI |
0 |
26 |
1 |
9 |
37 |
4 |
2 |
0 |
| CDI |
0 |
19 |
0 |
4 |
31 |
111 |
63 |
15 |
| VCDI |
0 |
57 |
11 |
67 |
124 |
524 |
6617 |
24006 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
90 |
5 |
64 |
8 |
0 |
0 |
0 |
| OW |
0 |
36 |
7 |
24 |
4 |
0 |
0 |
0 |
| VODI |
0 |
37 |
3 |
27 |
5 |
0 |
0 |
0 |
| ODI |
0 |
31 |
0 |
18 |
18 |
8 |
5 |
0 |
| CDI |
0 |
43 |
1 |
21 |
43 |
95 |
72 |
13 |
| VCDI |
0 |
51 |
11 |
62 |
131 |
536 |
6605 |
24008 |
|
Date: 2022-03-30:
| 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 |
128 |
8 |
19 |
0 |
0 |
0 |
0 |
| OW |
0 |
46 |
4 |
20 |
0 |
0 |
0 |
0 |
| VODI |
0 |
39 |
6 |
31 |
0 |
0 |
0 |
0 |
| ODI |
0 |
24 |
2 |
35 |
7 |
1 |
3 |
0 |
| CDI |
0 |
22 |
1 |
14 |
46 |
89 |
99 |
27 |
| VCDI |
0 |
42 |
6 |
57 |
138 |
842 |
6501 |
23825 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
118 |
6 |
19 |
0 |
0 |
0 |
0 |
| OW |
0 |
39 |
5 |
21 |
0 |
0 |
0 |
0 |
| VODI |
0 |
47 |
2 |
24 |
0 |
0 |
0 |
0 |
| ODI |
0 |
27 |
7 |
31 |
10 |
5 |
5 |
0 |
| CDI |
0 |
26 |
1 |
23 |
44 |
113 |
105 |
10 |
| VCDI |
0 |
44 |
6 |
58 |
137 |
814 |
6493 |
23842 |
|
Date: 2022-04-01:
| 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 |
0 |
129 |
4 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
36 |
5 |
32 |
1 |
0 |
0 |
0 |
| VODI |
0 |
27 |
3 |
37 |
5 |
0 |
0 |
0 |
| ODI |
0 |
16 |
3 |
28 |
26 |
7 |
0 |
0 |
| CDI |
0 |
11 |
1 |
8 |
54 |
101 |
60 |
14 |
| VCDI |
0 |
23 |
3 |
55 |
157 |
1013 |
8344 |
21872 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
116 |
3 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
40 |
6 |
14 |
0 |
0 |
0 |
0 |
| VODI |
0 |
28 |
2 |
44 |
1 |
0 |
0 |
0 |
| ODI |
0 |
19 |
3 |
26 |
9 |
1 |
0 |
0 |
| CDI |
0 |
16 |
1 |
26 |
51 |
76 |
47 |
15 |
| VCDI |
0 |
23 |
4 |
55 |
182 |
1044 |
8357 |
21871 |
|
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