Validation of sea ice concentration - Asian sector
Bulletin date: 2020-04-09
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-04-03:
| 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 |
29 |
4 |
6 |
0 |
35 |
13 |
0 |
| OW |
0 |
1 |
1 |
25 |
2 |
36 |
2 |
0 |
| VODI |
0 |
0 |
0 |
11 |
40 |
34 |
0 |
0 |
| ODI |
0 |
0 |
0 |
1 |
28 |
63 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
3 |
149 |
115 |
17 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
876 |
9256 |
21309 |
|
...date precedes bulletin
|
Date: 2020-04-05:
| 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 |
31 |
4 |
3 |
0 |
34 |
3 |
0 |
| OW |
0 |
3 |
3 |
20 |
0 |
28 |
2 |
0 |
| VODI |
0 |
0 |
0 |
40 |
35 |
34 |
5 |
0 |
| ODI |
0 |
0 |
0 |
0 |
22 |
41 |
3 |
0 |
| CDI |
0 |
0 |
0 |
0 |
11 |
177 |
59 |
133 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
786 |
10341 |
20261 |
|
...date precedes bulletin
|
Date: 2020-04-07:
| 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 |
29 |
4 |
38 |
1 |
0 |
13 |
0 |
| OW |
0 |
0 |
0 |
18 |
16 |
0 |
18 |
0 |
| VODI |
0 |
0 |
0 |
1 |
41 |
1 |
29 |
0 |
| ODI |
0 |
0 |
0 |
0 |
7 |
16 |
49 |
0 |
| CDI |
0 |
0 |
0 |
0 |
0 |
69 |
208 |
17 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
374 |
7610 |
23523 |
|
...date precedes bulletin
|
Date: 2020-04-09:
| 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 |
33 |
4 |
19 |
0 |
26 |
0 |
0 |
| OW |
0 |
2 |
3 |
22 |
5 |
33 |
0 |
0 |
| VODI |
0 |
0 |
0 |
19 |
47 |
44 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
24 |
43 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
24 |
112 |
113 |
24 |
| VCDI |
0 |
0 |
0 |
0 |
28 |
698 |
11176 |
19582 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
34 |
5 |
21 |
1 |
31 |
0 |
0 |
| OW |
0 |
1 |
2 |
26 |
5 |
28 |
0 |
0 |
| VODI |
0 |
0 |
0 |
13 |
44 |
46 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
30 |
41 |
6 |
0 |
| CDI |
0 |
0 |
0 |
0 |
23 |
113 |
107 |
26 |
| VCDI |
0 |
0 |
0 |
0 |
25 |
697 |
11177 |
19580 |
|
Date: 2020-04-11:
| 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 |
52 |
3 |
2 |
0 |
14 |
0 |
0 |
| OW |
0 |
18 |
4 |
18 |
1 |
21 |
8 |
0 |
| VODI |
0 |
0 |
0 |
15 |
43 |
40 |
18 |
0 |
| ODI |
0 |
0 |
0 |
0 |
66 |
115 |
37 |
1 |
| CDI |
0 |
0 |
0 |
0 |
58 |
313 |
121 |
21 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
1437 |
12133 |
17506 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
69 |
7 |
11 |
0 |
16 |
1 |
0 |
| OW |
0 |
1 |
0 |
22 |
20 |
20 |
10 |
0 |
| VODI |
0 |
0 |
0 |
2 |
25 |
41 |
15 |
0 |
| ODI |
0 |
0 |
0 |
0 |
56 |
118 |
42 |
1 |
| CDI |
0 |
0 |
0 |
0 |
59 |
302 |
142 |
23 |
| VCDI |
0 |
0 |
0 |
0 |
25 |
1443 |
12107 |
17504 |
|
Date: 2020-04-13:
| 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 |
78 |
3 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
1 |
5 |
40 |
13 |
0 |
3 |
0 |
| VODI |
0 |
0 |
0 |
2 |
33 |
4 |
10 |
0 |
| ODI |
0 |
0 |
0 |
0 |
42 |
97 |
53 |
0 |
| CDI |
0 |
0 |
0 |
0 |
5 |
303 |
129 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
695 |
10515 |
20040 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
65 |
3 |
3 |
0 |
0 |
4 |
0 |
| OW |
0 |
14 |
5 |
36 |
8 |
3 |
14 |
0 |
| VODI |
0 |
0 |
0 |
5 |
39 |
27 |
33 |
0 |
| ODI |
0 |
0 |
0 |
0 |
37 |
74 |
40 |
0 |
| CDI |
0 |
0 |
0 |
0 |
8 |
239 |
157 |
12 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
756 |
10462 |
20037 |
|
Date: 2020-04-15:
| 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 |
52 |
9 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
36 |
11 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
61 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
56 |
29 |
5 |
0 |
| CDI |
0 |
0 |
0 |
0 |
57 |
160 |
145 |
37 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
520 |
7706 |
23176 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
40 |
4 |
1 |
0 |
1 |
0 |
0 |
| OW |
0 |
12 |
5 |
27 |
0 |
7 |
0 |
0 |
| VODI |
0 |
0 |
0 |
19 |
62 |
40 |
2 |
0 |
| ODI |
0 |
0 |
0 |
0 |
54 |
61 |
17 |
0 |
| CDI |
0 |
0 |
0 |
0 |
53 |
106 |
140 |
39 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
502 |
7697 |
23174 |
|
Date: 2020-04-17:
| 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 |
30 |
3 |
12 |
0 |
0 |
0 |
0 |
| OW |
0 |
1 |
3 |
51 |
3 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
39 |
62 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
13 |
89 |
73 |
0 |
3 |
| CDI |
0 |
0 |
0 |
6 |
152 |
335 |
65 |
32 |
| VCDI |
0 |
0 |
0 |
0 |
67 |
757 |
8207 |
22073 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
31 |
4 |
54 |
3 |
2 |
0 |
0 |
| OW |
0 |
0 |
2 |
34 |
41 |
21 |
0 |
0 |
| VODI |
0 |
0 |
0 |
12 |
104 |
75 |
0 |
0 |
| ODI |
0 |
0 |
0 |
18 |
75 |
172 |
20 |
2 |
| CDI |
0 |
0 |
0 |
3 |
129 |
461 |
176 |
139 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
440 |
8076 |
21967 |
|
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