Validation of sea ice concentration - Asian sector
Bulletin date: 2020-03-12
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-03-06:
| 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 |
37 |
1 |
5 |
0 |
0 |
0 |
0 |
| OW |
0 |
10 |
2 |
20 |
2 |
0 |
0 |
0 |
| VODI |
0 |
6 |
1 |
37 |
17 |
0 |
0 |
0 |
| ODI |
0 |
7 |
2 |
7 |
55 |
7 |
0 |
0 |
| CDI |
0 |
6 |
1 |
4 |
64 |
131 |
77 |
22 |
| VCDI |
0 |
0 |
3 |
24 |
110 |
907 |
8468 |
22049 |
|
...date precedes bulletin
|
Date: 2020-03-08:
| 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 |
36 |
0 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
13 |
1 |
13 |
0 |
0 |
0 |
0 |
| VODI |
0 |
16 |
0 |
29 |
10 |
0 |
0 |
0 |
| ODI |
0 |
12 |
2 |
11 |
36 |
10 |
0 |
0 |
| CDI |
0 |
15 |
0 |
11 |
87 |
85 |
5 |
7 |
| VCDI |
0 |
35 |
2 |
74 |
225 |
672 |
6379 |
24289 |
|
...date precedes bulletin
|
Date: 2020-03-10:
| 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 |
63 |
4 |
35 |
4 |
0 |
0 |
0 |
| OW |
0 |
23 |
1 |
24 |
12 |
0 |
0 |
0 |
| VODI |
0 |
22 |
1 |
20 |
67 |
0 |
0 |
0 |
| ODI |
0 |
16 |
2 |
10 |
61 |
13 |
0 |
0 |
| CDI |
0 |
33 |
2 |
63 |
61 |
70 |
26 |
24 |
| VCDI |
0 |
8 |
0 |
37 |
216 |
841 |
7444 |
22879 |
|
...date precedes bulletin
|
Date: 2020-03-12:
| 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 |
58 |
1 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
22 |
6 |
23 |
0 |
0 |
0 |
0 |
| VODI |
0 |
18 |
3 |
41 |
38 |
0 |
0 |
0 |
| ODI |
0 |
20 |
1 |
15 |
70 |
11 |
0 |
0 |
| CDI |
0 |
21 |
2 |
1 |
46 |
186 |
47 |
20 |
| VCDI |
0 |
79 |
8 |
90 |
171 |
1229 |
10485 |
19368 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
53 |
1 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
22 |
3 |
19 |
0 |
0 |
0 |
0 |
| VODI |
0 |
19 |
6 |
39 |
48 |
0 |
0 |
0 |
| ODI |
0 |
17 |
0 |
20 |
52 |
24 |
0 |
0 |
| CDI |
0 |
19 |
2 |
1 |
48 |
181 |
46 |
20 |
| VCDI |
0 |
88 |
9 |
90 |
177 |
1221 |
10486 |
19368 |
|
Date: 2020-03-14:
| 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 |
42 |
3 |
9 |
0 |
0 |
0 |
0 |
| OW |
0 |
29 |
6 |
10 |
4 |
0 |
0 |
0 |
| VODI |
0 |
21 |
6 |
31 |
16 |
0 |
0 |
0 |
| ODI |
0 |
19 |
0 |
18 |
24 |
49 |
0 |
0 |
| CDI |
0 |
18 |
1 |
7 |
50 |
158 |
86 |
27 |
| VCDI |
0 |
81 |
6 |
97 |
264 |
1910 |
10492 |
18598 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
39 |
2 |
8 |
0 |
0 |
0 |
0 |
| OW |
0 |
24 |
7 |
7 |
4 |
0 |
0 |
0 |
| VODI |
0 |
24 |
5 |
27 |
17 |
0 |
0 |
0 |
| ODI |
0 |
14 |
1 |
20 |
17 |
53 |
0 |
0 |
| CDI |
0 |
19 |
1 |
13 |
40 |
178 |
84 |
35 |
| VCDI |
0 |
90 |
6 |
97 |
280 |
1886 |
10494 |
18590 |
|
Date: 2020-03-16:
| 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 |
5 |
27 |
3 |
0 |
0 |
0 |
| OW |
0 |
8 |
1 |
33 |
10 |
0 |
0 |
0 |
| VODI |
0 |
14 |
1 |
27 |
42 |
8 |
0 |
0 |
| ODI |
0 |
11 |
2 |
12 |
69 |
35 |
0 |
0 |
| CDI |
0 |
14 |
2 |
18 |
110 |
144 |
32 |
17 |
| VCDI |
0 |
8 |
1 |
39 |
49 |
1202 |
9218 |
20885 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
29 |
1 |
13 |
5 |
0 |
0 |
0 |
| OW |
0 |
11 |
4 |
12 |
9 |
0 |
0 |
0 |
| VODI |
0 |
15 |
1 |
34 |
12 |
1 |
0 |
0 |
| ODI |
0 |
8 |
2 |
21 |
26 |
16 |
1 |
0 |
| CDI |
0 |
11 |
1 |
17 |
56 |
95 |
28 |
30 |
| VCDI |
0 |
16 |
3 |
59 |
175 |
1277 |
9221 |
20872 |
|
Date: 2020-03-18:
| 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 |
64 |
7 |
8 |
0 |
0 |
0 |
0 |
| OW |
0 |
18 |
5 |
25 |
7 |
0 |
0 |
0 |
| VODI |
0 |
14 |
4 |
26 |
25 |
5 |
0 |
0 |
| ODI |
0 |
10 |
2 |
17 |
28 |
38 |
1 |
0 |
| CDI |
0 |
18 |
1 |
21 |
30 |
82 |
63 |
44 |
| VCDI |
0 |
23 |
4 |
88 |
179 |
702 |
9408 |
21115 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
51 |
3 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
31 |
6 |
10 |
0 |
0 |
0 |
0 |
| VODI |
0 |
20 |
7 |
28 |
7 |
0 |
0 |
0 |
| ODI |
0 |
13 |
1 |
23 |
16 |
11 |
1 |
0 |
| CDI |
0 |
10 |
2 |
21 |
32 |
59 |
55 |
37 |
| VCDI |
0 |
22 |
4 |
100 |
214 |
757 |
9416 |
21122 |
|
Date: 2020-03-20:
| 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 |
55 |
2 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
18 |
5 |
17 |
0 |
0 |
0 |
0 |
| VODI |
0 |
14 |
5 |
30 |
15 |
0 |
0 |
0 |
| ODI |
0 |
8 |
1 |
14 |
20 |
11 |
5 |
0 |
| CDI |
0 |
11 |
3 |
7 |
41 |
115 |
144 |
69 |
| VCDI |
0 |
10 |
2 |
75 |
165 |
751 |
10365 |
20101 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
45 |
2 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
11 |
4 |
10 |
0 |
0 |
0 |
0 |
| VODI |
0 |
26 |
5 |
30 |
8 |
0 |
0 |
0 |
| ODI |
0 |
11 |
1 |
18 |
21 |
6 |
0 |
0 |
| CDI |
0 |
9 |
3 |
9 |
28 |
80 |
90 |
14 |
| VCDI |
0 |
14 |
3 |
79 |
184 |
791 |
10424 |
20156 |
|
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