Validation of sea ice concentration - Asian sector
Bulletin date: 2020-03-19
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-03-13:
| 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 |
65 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
27 |
5 |
21 |
1 |
0 |
0 |
0 |
| VODI |
0 |
26 |
4 |
29 |
40 |
0 |
0 |
0 |
| ODI |
0 |
17 |
1 |
17 |
64 |
24 |
0 |
0 |
| CDI |
0 |
19 |
2 |
12 |
47 |
141 |
64 |
10 |
| VCDI |
0 |
107 |
6 |
117 |
224 |
1366 |
10471 |
19154 |
|
...date precedes bulletin
|
Date: 2020-03-15:
| 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 |
35 |
1 |
5 |
9 |
0 |
0 |
0 |
| OW |
0 |
16 |
3 |
13 |
6 |
0 |
0 |
0 |
| VODI |
0 |
12 |
1 |
40 |
17 |
0 |
0 |
0 |
| ODI |
0 |
10 |
1 |
15 |
31 |
23 |
1 |
0 |
| CDI |
0 |
13 |
1 |
8 |
60 |
196 |
77 |
25 |
| VCDI |
0 |
38 |
6 |
88 |
118 |
1602 |
9293 |
20318 |
|
...date precedes bulletin
|
Date: 2020-03-17:
| 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 |
55 |
8 |
17 |
0 |
0 |
0 |
0 |
| OW |
0 |
11 |
3 |
34 |
4 |
0 |
0 |
0 |
| VODI |
0 |
15 |
2 |
29 |
29 |
8 |
0 |
0 |
| ODI |
0 |
12 |
1 |
10 |
41 |
35 |
0 |
0 |
| CDI |
0 |
15 |
1 |
23 |
105 |
99 |
34 |
12 |
| VCDI |
0 |
9 |
1 |
50 |
119 |
757 |
10116 |
20427 |
|
...date precedes bulletin
|
Date: 2020-03-19:
| 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 |
53 |
4 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
18 |
7 |
18 |
3 |
0 |
0 |
0 |
| VODI |
0 |
11 |
3 |
29 |
24 |
0 |
0 |
0 |
| ODI |
0 |
8 |
2 |
13 |
32 |
34 |
1 |
0 |
| CDI |
0 |
11 |
2 |
10 |
42 |
102 |
154 |
21 |
| VCDI |
0 |
6 |
5 |
43 |
170 |
633 |
9899 |
20717 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
56 |
6 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
17 |
4 |
20 |
6 |
0 |
0 |
0 |
| VODI |
0 |
10 |
4 |
24 |
25 |
2 |
0 |
0 |
| ODI |
0 |
8 |
2 |
12 |
28 |
40 |
3 |
0 |
| CDI |
0 |
13 |
3 |
10 |
42 |
99 |
162 |
23 |
| VCDI |
0 |
3 |
4 |
43 |
170 |
628 |
9889 |
20715 |
|
Date: 2020-03-21:
| 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 |
41 |
1 |
11 |
2 |
0 |
0 |
0 |
| OW |
0 |
16 |
6 |
11 |
5 |
0 |
0 |
0 |
| VODI |
0 |
13 |
8 |
34 |
12 |
0 |
0 |
0 |
| ODI |
0 |
7 |
0 |
20 |
28 |
10 |
3 |
0 |
| CDI |
0 |
6 |
4 |
13 |
40 |
157 |
151 |
65 |
| VCDI |
0 |
0 |
1 |
60 |
189 |
1101 |
10507 |
19560 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
41 |
2 |
13 |
3 |
0 |
0 |
0 |
| OW |
0 |
16 |
5 |
12 |
5 |
0 |
0 |
0 |
| VODI |
0 |
13 |
8 |
32 |
15 |
0 |
0 |
0 |
| ODI |
0 |
7 |
0 |
18 |
19 |
11 |
3 |
0 |
| CDI |
0 |
6 |
3 |
16 |
41 |
156 |
158 |
67 |
| VCDI |
0 |
0 |
2 |
58 |
193 |
1101 |
10500 |
19558 |
|
Date: 2020-03-23:
| 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 |
67 |
11 |
35 |
8 |
0 |
0 |
0 |
| OW |
0 |
18 |
4 |
34 |
15 |
0 |
0 |
0 |
| VODI |
0 |
10 |
6 |
29 |
38 |
0 |
0 |
0 |
| ODI |
0 |
1 |
2 |
32 |
111 |
88 |
0 |
0 |
| CDI |
0 |
0 |
0 |
17 |
62 |
193 |
74 |
64 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
874 |
8809 |
21462 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
44 |
4 |
17 |
5 |
0 |
0 |
0 |
| OW |
0 |
25 |
7 |
18 |
9 |
0 |
0 |
0 |
| VODI |
0 |
14 |
4 |
29 |
16 |
0 |
0 |
0 |
| ODI |
0 |
8 |
3 |
24 |
40 |
20 |
0 |
0 |
| CDI |
0 |
5 |
4 |
24 |
44 |
147 |
61 |
92 |
| VCDI |
0 |
0 |
1 |
35 |
138 |
988 |
8822 |
21434 |
|
Date: 2020-03-25:
| 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 |
96 |
15 |
47 |
9 |
0 |
0 |
0 |
| OW |
0 |
38 |
4 |
39 |
9 |
0 |
0 |
0 |
| VODI |
0 |
30 |
2 |
89 |
83 |
0 |
0 |
0 |
| ODI |
0 |
8 |
2 |
40 |
156 |
15 |
0 |
0 |
| CDI |
0 |
0 |
0 |
19 |
152 |
121 |
68 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
38 |
997 |
10374 |
19625 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
70 |
10 |
26 |
4 |
0 |
0 |
0 |
| OW |
0 |
31 |
4 |
24 |
4 |
0 |
0 |
0 |
| VODI |
0 |
31 |
4 |
45 |
28 |
4 |
0 |
0 |
| ODI |
0 |
28 |
3 |
46 |
90 |
20 |
0 |
0 |
| CDI |
0 |
12 |
2 |
41 |
105 |
74 |
63 |
2 |
| VCDI |
0 |
0 |
0 |
52 |
216 |
1035 |
10379 |
19629 |
|
Date: 2020-03-27:
| 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 |
90 |
7 |
42 |
19 |
0 |
0 |
0 |
| OW |
0 |
39 |
14 |
44 |
8 |
0 |
0 |
0 |
| VODI |
0 |
57 |
10 |
108 |
70 |
1 |
0 |
0 |
| ODI |
0 |
5 |
1 |
54 |
137 |
21 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
153 |
211 |
93 |
39 |
| VCDI |
0 |
0 |
0 |
0 |
72 |
1360 |
11191 |
18233 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
79 |
7 |
43 |
16 |
0 |
0 |
0 |
| OW |
0 |
42 |
11 |
42 |
7 |
0 |
0 |
0 |
| VODI |
0 |
46 |
8 |
84 |
74 |
10 |
0 |
0 |
| ODI |
0 |
22 |
5 |
26 |
104 |
37 |
5 |
0 |
| CDI |
0 |
2 |
1 |
39 |
89 |
202 |
106 |
23 |
| VCDI |
0 |
0 |
0 |
17 |
169 |
1344 |
11173 |
18249 |
|
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