Validation of sea ice concentration - Asian sector
Bulletin date: 2024-01-11
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-01-05:
| 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 |
173 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
66 |
1 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
63 |
5 |
4 |
0 |
0 |
0 |
0 |
| ODI |
0 |
20 |
21 |
20 |
8 |
2 |
0 |
0 |
| CDI |
0 |
30 |
11 |
35 |
74 |
210 |
62 |
1 |
| VCDI |
0 |
105 |
33 |
90 |
138 |
1010 |
8643 |
21257 |
|
...date precedes bulletin
|
Date: 2024-01-07:
| 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 |
76 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
78 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
84 |
5 |
1 |
0 |
0 |
0 |
0 |
| ODI |
0 |
37 |
17 |
28 |
10 |
1 |
0 |
0 |
| CDI |
0 |
33 |
8 |
44 |
121 |
98 |
32 |
0 |
| VCDI |
0 |
105 |
42 |
127 |
284 |
1883 |
8315 |
20653 |
|
...date precedes bulletin
|
Date: 2024-01-09:
| 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 |
80 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
121 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
54 |
24 |
16 |
0 |
0 |
0 |
0 |
| ODI |
0 |
6 |
10 |
50 |
21 |
1 |
0 |
0 |
| CDI |
0 |
5 |
5 |
29 |
74 |
72 |
20 |
1 |
| VCDI |
0 |
0 |
1 |
31 |
138 |
1297 |
5997 |
24029 |
|
...date precedes bulletin
|
Date: 2024-01-11:
| 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 |
18 |
3 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
101 |
7 |
7 |
0 |
0 |
0 |
0 |
| VODI |
0 |
54 |
24 |
28 |
0 |
0 |
0 |
0 |
| ODI |
0 |
5 |
1 |
33 |
45 |
2 |
0 |
0 |
| CDI |
0 |
0 |
1 |
16 |
67 |
109 |
15 |
17 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
711 |
7750 |
23051 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
17 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
101 |
10 |
7 |
0 |
0 |
0 |
0 |
| VODI |
0 |
53 |
24 |
20 |
0 |
0 |
0 |
0 |
| ODI |
0 |
6 |
1 |
39 |
43 |
2 |
0 |
0 |
| CDI |
0 |
1 |
1 |
18 |
71 |
117 |
17 |
18 |
| VCDI |
0 |
0 |
0 |
0 |
15 |
703 |
7748 |
23050 |
|
Date: 2024-01-13:
| 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 |
4 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
11 |
5 |
45 |
9 |
0 |
0 |
0 |
| VODI |
0 |
58 |
30 |
31 |
4 |
0 |
0 |
0 |
| ODI |
0 |
6 |
7 |
25 |
44 |
6 |
0 |
0 |
| CDI |
0 |
0 |
0 |
8 |
44 |
93 |
94 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
132 |
6774 |
24644 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1 |
2 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
13 |
9 |
52 |
8 |
0 |
0 |
0 |
| VODI |
0 |
53 |
26 |
24 |
5 |
0 |
0 |
0 |
| ODI |
0 |
9 |
9 |
31 |
40 |
5 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
48 |
108 |
113 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
118 |
6755 |
24643 |
|
Date: 2024-01-15:
| 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 |
0 |
0 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
5 |
20 |
0 |
0 |
0 |
| VODI |
0 |
47 |
31 |
58 |
51 |
0 |
0 |
0 |
| ODI |
0 |
2 |
3 |
12 |
50 |
11 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
35 |
143 |
9 |
8 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
277 |
5928 |
25379 |
|
|
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 |
4 |
0 |
16 |
40 |
0 |
0 |
0 |
| VODI |
0 |
43 |
29 |
32 |
26 |
0 |
0 |
0 |
| ODI |
0 |
2 |
5 |
27 |
35 |
2 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
56 |
117 |
9 |
8 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
312 |
5928 |
25379 |
|
Date: 2024-01-17:
| 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 |
0 |
0 |
0 |
2 |
0 |
0 |
0 |
| OW |
0 |
1 |
0 |
5 |
17 |
2 |
0 |
0 |
| VODI |
0 |
73 |
34 |
36 |
38 |
6 |
0 |
0 |
| ODI |
0 |
19 |
11 |
17 |
36 |
1 |
0 |
0 |
| CDI |
0 |
0 |
1 |
16 |
35 |
35 |
6 |
26 |
| VCDI |
0 |
0 |
0 |
11 |
37 |
344 |
5991 |
25282 |
|
|
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 |
2 |
6 |
8 |
24 |
0 |
0 |
0 |
| VODI |
0 |
60 |
15 |
20 |
31 |
9 |
0 |
0 |
| ODI |
0 |
23 |
14 |
20 |
27 |
1 |
0 |
0 |
| CDI |
0 |
8 |
10 |
17 |
39 |
33 |
6 |
14 |
| VCDI |
0 |
0 |
1 |
20 |
44 |
345 |
5991 |
25294 |
|
Date: 2024-01-19:
| 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 |
14 |
0 |
0 |
5 |
3 |
0 |
0 |
| VODI |
0 |
88 |
13 |
35 |
38 |
4 |
0 |
0 |
| ODI |
0 |
62 |
14 |
8 |
2 |
7 |
1 |
0 |
| CDI |
0 |
38 |
3 |
10 |
5 |
16 |
9 |
0 |
| VCDI |
0 |
17 |
8 |
39 |
64 |
654 |
8723 |
22202 |
|
|
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 |
7 |
0 |
2 |
8 |
1 |
0 |
0 |
| VODI |
0 |
34 |
6 |
25 |
34 |
8 |
0 |
0 |
| ODI |
0 |
63 |
21 |
16 |
3 |
2 |
0 |
0 |
| CDI |
0 |
91 |
5 |
16 |
9 |
30 |
10 |
0 |
| VCDI |
0 |
24 |
6 |
33 |
60 |
643 |
8723 |
22202 |
|
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