Validation of sea ice concentration - Asian sector
Bulletin date: 2018-03-29
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2018-03-23:
| 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 |
22 |
4 |
35 |
35 |
2 |
0 |
0 |
| OW |
0 |
0 |
2 |
21 |
31 |
9 |
0 |
0 |
| VODI |
0 |
0 |
0 |
16 |
36 |
14 |
0 |
0 |
| ODI |
0 |
0 |
0 |
3 |
26 |
20 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
24 |
59 |
60 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
945 |
10783 |
19923 |
|
...date precedes bulletin
|
Date: 2018-03-25:
| 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 |
34 |
5 |
33 |
25 |
0 |
0 |
0 |
| OW |
0 |
5 |
0 |
24 |
21 |
0 |
0 |
0 |
| VODI |
0 |
7 |
0 |
30 |
27 |
0 |
0 |
0 |
| ODI |
0 |
1 |
0 |
22 |
21 |
8 |
0 |
0 |
| CDI |
0 |
0 |
1 |
28 |
22 |
19 |
34 |
7 |
| VCDI |
0 |
0 |
0 |
3 |
29 |
239 |
6472 |
24965 |
|
...date precedes bulletin
|
Date: 2018-03-27:
| 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 |
8 |
4 |
43 |
41 |
4 |
0 |
0 |
| OW |
0 |
0 |
0 |
18 |
28 |
9 |
0 |
0 |
| VODI |
0 |
0 |
0 |
14 |
27 |
15 |
0 |
0 |
| ODI |
0 |
0 |
0 |
7 |
21 |
18 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
21 |
32 |
5 |
29 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
130 |
3018 |
28587 |
|
...date precedes bulletin
|
Date: 2018-03-29:
| 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 |
0 |
0 |
24 |
37 |
23 |
0 |
0 |
| OW |
0 |
0 |
0 |
9 |
23 |
21 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
28 |
26 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
19 |
28 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
34 |
26 |
38 |
16 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
52 |
3926 |
27749 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
23 |
39 |
23 |
0 |
0 |
| OW |
0 |
0 |
0 |
9 |
17 |
19 |
0 |
0 |
| VODI |
0 |
0 |
0 |
1 |
33 |
26 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
21 |
28 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
32 |
27 |
35 |
20 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
53 |
3931 |
27745 |
|
Date: 2018-03-31:
| 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 |
0 |
0 |
2 |
44 |
20 |
0 |
0 |
| OW |
0 |
0 |
0 |
1 |
21 |
26 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
23 |
34 |
1 |
0 |
| ODI |
0 |
0 |
0 |
0 |
20 |
26 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
31 |
31 |
28 |
11 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
45 |
4120 |
27587 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
2 |
39 |
20 |
0 |
0 |
| OW |
0 |
0 |
0 |
1 |
24 |
24 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
27 |
29 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
22 |
27 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
33 |
28 |
22 |
22 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
54 |
4127 |
27576 |
|
Date: 2018-04-02:
| 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 |
0 |
0 |
0 |
1 |
19 |
9 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
10 |
33 |
7 |
0 |
| VODI |
0 |
0 |
0 |
0 |
25 |
24 |
9 |
0 |
| ODI |
0 |
0 |
0 |
0 |
26 |
20 |
10 |
0 |
| CDI |
0 |
0 |
0 |
0 |
32 |
89 |
93 |
16 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
324 |
7946 |
23389 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
1 |
21 |
22 |
1 |
0 |
| OW |
0 |
0 |
0 |
0 |
10 |
25 |
8 |
0 |
| VODI |
0 |
0 |
0 |
0 |
19 |
26 |
13 |
0 |
| ODI |
0 |
0 |
0 |
0 |
19 |
23 |
18 |
0 |
| CDI |
0 |
0 |
0 |
0 |
26 |
83 |
105 |
14 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
320 |
7920 |
23391 |
|
Date: 2018-04-04:
| 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 |
0 |
0 |
1 |
11 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
2 |
18 |
12 |
0 |
0 |
| VODI |
0 |
0 |
0 |
3 |
20 |
31 |
0 |
0 |
| ODI |
0 |
0 |
0 |
3 |
19 |
29 |
3 |
0 |
| CDI |
0 |
0 |
0 |
4 |
48 |
61 |
21 |
39 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
426 |
8390 |
22929 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
1 |
15 |
6 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
21 |
21 |
0 |
0 |
| VODI |
0 |
0 |
0 |
2 |
23 |
28 |
2 |
0 |
| ODI |
0 |
0 |
0 |
3 |
20 |
20 |
4 |
1 |
| CDI |
0 |
0 |
0 |
4 |
24 |
68 |
27 |
22 |
| VCDI |
0 |
0 |
0 |
3 |
25 |
416 |
8381 |
22945 |
|
Date: 2018-04-06:
| 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 |
0 |
0 |
1 |
2 |
10 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
21 |
7 |
0 |
| VODI |
0 |
0 |
0 |
2 |
2 |
29 |
14 |
0 |
| ODI |
0 |
0 |
0 |
1 |
3 |
26 |
22 |
0 |
| CDI |
0 |
0 |
0 |
0 |
41 |
71 |
126 |
8 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
382 |
8069 |
23245 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
0 |
0 |
1 |
2 |
14 |
1 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
24 |
12 |
0 |
| VODI |
0 |
0 |
0 |
2 |
0 |
28 |
21 |
0 |
| ODI |
0 |
0 |
0 |
1 |
4 |
21 |
21 |
0 |
| CDI |
0 |
0 |
0 |
0 |
10 |
58 |
121 |
10 |
| VCDI |
0 |
0 |
0 |
0 |
32 |
394 |
8062 |
23243 |
|
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