Validation of sea ice concentration - Asian sector
Bulletin date: 2018-04-12
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2018-04-08:
| 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 |
0 |
0 |
0 |
2 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
1 |
0 |
6 |
0 |
0 |
| VODI |
0 |
0 |
0 |
2 |
2 |
36 |
0 |
0 |
| ODI |
0 |
0 |
0 |
3 |
1 |
51 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
14 |
100 |
25 |
22 |
| VCDI |
0 |
0 |
0 |
0 |
47 |
518 |
8107 |
23142 |
|
...date precedes bulletin
|
Date: 2018-04-10:
| 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 |
0 |
0 |
1 |
0 |
1 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
3 |
5 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
4 |
17 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
8 |
41 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
4 |
197 |
94 |
8 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
719 |
9514 |
21462 |
|
...date precedes bulletin
|
Date: 2018-04-12:
| 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 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
2 |
5 |
1 |
0 |
0 |
| VODI |
0 |
0 |
0 |
3 |
8 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
3 |
23 |
27 |
1 |
0 |
| CDI |
0 |
0 |
0 |
2 |
45 |
113 |
56 |
42 |
| VCDI |
0 |
0 |
0 |
0 |
27 |
589 |
8741 |
22389 |
|
|
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 |
1 |
0 |
0 |
| VODI |
0 |
0 |
0 |
3 |
7 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
3 |
21 |
20 |
1 |
0 |
| CDI |
0 |
0 |
0 |
2 |
46 |
93 |
56 |
50 |
| VCDI |
0 |
0 |
0 |
0 |
29 |
616 |
8741 |
22381 |
|
Date: 2018-04-14:
| 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 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
4 |
2 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
8 |
15 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
5 |
35 |
10 |
13 |
0 |
| CDI |
0 |
0 |
0 |
0 |
63 |
47 |
113 |
28 |
| VCDI |
0 |
0 |
0 |
0 |
60 |
651 |
8957 |
22070 |
|
|
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 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
4 |
2 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
5 |
10 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
8 |
24 |
13 |
15 |
0 |
| CDI |
0 |
0 |
0 |
0 |
60 |
41 |
113 |
24 |
| VCDI |
0 |
0 |
0 |
0 |
79 |
654 |
8955 |
22074 |
|
Date: 2018-04-16:
| 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 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
2 |
3 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
32 |
2 |
2 |
0 |
| ODI |
0 |
0 |
0 |
0 |
35 |
62 |
19 |
0 |
| CDI |
0 |
0 |
0 |
0 |
24 |
285 |
81 |
20 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
1122 |
11393 |
18988 |
|
|
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 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
2 |
8 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
25 |
51 |
20 |
0 |
| CDI |
0 |
0 |
0 |
0 |
29 |
202 |
84 |
27 |
| VCDI |
0 |
0 |
0 |
0 |
43 |
1218 |
11391 |
18981 |
|
Date: 2018-04-18:
| 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 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
12 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
19 |
20 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
24 |
99 |
107 |
10 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
1123 |
11310 |
19342 |
|
|
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 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
4 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
9 |
10 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
14 |
26 |
31 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
37 |
1207 |
11387 |
19346 |
|
Date: 2018-04-20:
| 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 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
2 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
23 |
16 |
8 |
0 |
| CDI |
0 |
0 |
0 |
0 |
28 |
102 |
143 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
632 |
9457 |
21654 |
|
|
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 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
0 |
0 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
0 |
10 |
17 |
8 |
0 |
| CDI |
0 |
0 |
0 |
0 |
12 |
42 |
129 |
30 |
| VCDI |
0 |
0 |
0 |
0 |
43 |
691 |
9471 |
21625 |
|
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