Validation of sea ice concentration - Asian sector
Bulletin date: 2018-04-05
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2018-03-30:
| 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 |
0 |
0 |
9 |
47 |
24 |
0 |
0 |
| OW |
0 |
0 |
0 |
2 |
23 |
23 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
22 |
29 |
2 |
0 |
| ODI |
0 |
0 |
0 |
0 |
19 |
25 |
6 |
0 |
| CDI |
0 |
0 |
0 |
0 |
38 |
27 |
25 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
45 |
3429 |
28283 |
|
...date precedes bulletin
|
Date: 2018-04-01:
| 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 |
0 |
0 |
1 |
32 |
23 |
0 |
0 |
| OW |
0 |
0 |
0 |
1 |
14 |
30 |
4 |
0 |
| VODI |
0 |
0 |
0 |
0 |
20 |
24 |
11 |
0 |
| ODI |
0 |
0 |
0 |
0 |
16 |
20 |
12 |
0 |
| CDI |
0 |
0 |
0 |
0 |
28 |
55 |
89 |
24 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
236 |
6030 |
25393 |
|
...date precedes bulletin
|
Date: 2018-04-03:
| 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 |
0 |
0 |
2 |
12 |
4 |
0 |
0 |
| OW |
0 |
0 |
0 |
1 |
9 |
31 |
1 |
0 |
| VODI |
0 |
0 |
0 |
0 |
12 |
31 |
11 |
0 |
| ODI |
0 |
0 |
0 |
0 |
22 |
20 |
9 |
0 |
| CDI |
0 |
0 |
0 |
0 |
45 |
52 |
46 |
28 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
404 |
8486 |
22853 |
|
...date precedes bulletin
|
Date: 2018-04-05:
| 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 |
0 |
0 |
1 |
12 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
2 |
8 |
21 |
0 |
0 |
| VODI |
0 |
0 |
0 |
3 |
16 |
32 |
0 |
0 |
| ODI |
0 |
0 |
0 |
4 |
17 |
25 |
1 |
0 |
| CDI |
0 |
0 |
0 |
1 |
70 |
64 |
34 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
36 |
495 |
8842 |
22398 |
|
|
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 |
13 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
2 |
7 |
19 |
0 |
0 |
| VODI |
0 |
0 |
0 |
2 |
14 |
31 |
0 |
0 |
| ODI |
0 |
0 |
0 |
4 |
17 |
28 |
2 |
0 |
| CDI |
0 |
0 |
0 |
2 |
53 |
59 |
29 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
55 |
500 |
8846 |
22397 |
|
Date: 2018-04-07:
| 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 |
0 |
0 |
1 |
4 |
1 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
13 |
0 |
0 |
| VODI |
0 |
0 |
0 |
2 |
2 |
41 |
6 |
0 |
| ODI |
0 |
0 |
0 |
4 |
1 |
42 |
16 |
0 |
| CDI |
0 |
0 |
0 |
7 |
48 |
39 |
76 |
81 |
| VCDI |
0 |
0 |
0 |
0 |
31 |
346 |
6905 |
24416 |
|
|
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 |
4 |
2 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
12 |
0 |
0 |
| VODI |
0 |
0 |
0 |
2 |
1 |
39 |
6 |
0 |
| ODI |
0 |
0 |
0 |
3 |
1 |
39 |
15 |
3 |
| CDI |
0 |
0 |
0 |
8 |
27 |
37 |
78 |
101 |
| VCDI |
0 |
0 |
0 |
0 |
53 |
353 |
6904 |
24393 |
|
Date: 2018-04-09:
| 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 |
0 |
0 |
1 |
0 |
1 |
0 |
0 |
| OW |
0 |
0 |
0 |
1 |
2 |
1 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
3 |
19 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
8 |
44 |
9 |
0 |
| CDI |
0 |
0 |
0 |
0 |
14 |
205 |
79 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
1016 |
9119 |
21537 |
|
|
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 |
0 |
0 |
2 |
0 |
0 |
| OW |
0 |
0 |
0 |
1 |
1 |
3 |
0 |
0 |
| VODI |
0 |
0 |
0 |
1 |
1 |
12 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
3 |
44 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
4 |
114 |
49 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
35 |
1111 |
9158 |
21542 |
|
Date: 2018-04-11:
| 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 |
1 |
0 |
2 |
2 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
2 |
6 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
6 |
12 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
4 |
20 |
19 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
60 |
141 |
34 |
14 |
| VCDI |
0 |
0 |
0 |
0 |
36 |
737 |
9772 |
21209 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1 |
0 |
0 |
2 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
5 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
2 |
13 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
4 |
12 |
11 |
0 |
0 |
| CDI |
0 |
0 |
0 |
8 |
28 |
75 |
9 |
14 |
| VCDI |
0 |
0 |
0 |
3 |
76 |
813 |
9797 |
21209 |
|
Date: 2018-04-13:
| 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 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
2 |
5 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
7 |
12 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
4 |
34 |
7 |
5 |
0 |
| CDI |
0 |
0 |
0 |
1 |
61 |
72 |
96 |
42 |
| VCDI |
0 |
0 |
0 |
0 |
31 |
595 |
8566 |
22541 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1 |
0 |
0 |
2 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
3 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
2 |
9 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
3 |
13 |
4 |
12 |
0 |
| CDI |
0 |
0 |
0 |
6 |
37 |
94 |
103 |
49 |
| VCDI |
0 |
0 |
0 |
3 |
79 |
576 |
8552 |
22534 |
|
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