Validation of sea ice concentration - Asian sector
Bulletin date: 2024-03-07
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-03-01:
| 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 |
10 |
259 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
96 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
159 |
6 |
2 |
1 |
0 |
0 |
0 |
| ODI |
0 |
94 |
7 |
7 |
4 |
2 |
0 |
0 |
| CDI |
0 |
232 |
23 |
44 |
19 |
36 |
9 |
0 |
| VCDI |
0 |
170 |
45 |
160 |
326 |
2284 |
12263 |
15824 |
|
...date precedes bulletin
|
Date: 2024-03-03:
| 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 |
170 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
92 |
3 |
1 |
0 |
0 |
0 |
0 |
| VODI |
0 |
84 |
8 |
9 |
3 |
0 |
0 |
0 |
| ODI |
0 |
111 |
16 |
23 |
7 |
7 |
12 |
0 |
| CDI |
0 |
145 |
19 |
121 |
85 |
78 |
24 |
0 |
| VCDI |
0 |
37 |
25 |
79 |
230 |
2411 |
8011 |
20270 |
|
...date precedes bulletin
|
Date: 2024-03-05:
| 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 |
174 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
112 |
14 |
3 |
0 |
0 |
0 |
0 |
| VODI |
0 |
57 |
8 |
27 |
6 |
0 |
0 |
0 |
| ODI |
0 |
49 |
15 |
32 |
9 |
2 |
0 |
0 |
| CDI |
0 |
57 |
15 |
68 |
101 |
70 |
30 |
0 |
| VCDI |
0 |
12 |
8 |
23 |
153 |
980 |
8398 |
21659 |
|
...date precedes bulletin
|
Date: 2024-03-07:
| 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 |
121 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
128 |
1 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
70 |
12 |
13 |
2 |
0 |
0 |
0 |
| ODI |
0 |
59 |
15 |
10 |
5 |
0 |
0 |
0 |
| CDI |
0 |
59 |
18 |
44 |
61 |
25 |
19 |
2 |
| VCDI |
0 |
7 |
11 |
54 |
238 |
830 |
5683 |
24595 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
118 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
129 |
4 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
74 |
10 |
13 |
2 |
0 |
0 |
0 |
| ODI |
0 |
60 |
15 |
12 |
6 |
0 |
0 |
0 |
| CDI |
0 |
60 |
20 |
43 |
80 |
24 |
31 |
2 |
| VCDI |
0 |
3 |
8 |
53 |
218 |
831 |
5671 |
24595 |
|
Date: 2024-03-09:
| 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 |
82 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
112 |
16 |
3 |
0 |
0 |
0 |
0 |
| VODI |
0 |
63 |
18 |
13 |
10 |
0 |
0 |
0 |
| ODI |
0 |
40 |
2 |
9 |
14 |
0 |
0 |
0 |
| CDI |
0 |
45 |
16 |
29 |
33 |
12 |
1 |
0 |
| VCDI |
0 |
2 |
2 |
25 |
98 |
522 |
3833 |
27082 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
77 |
4 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
115 |
16 |
6 |
0 |
0 |
0 |
0 |
| VODI |
0 |
70 |
12 |
10 |
10 |
0 |
0 |
0 |
| ODI |
0 |
38 |
5 |
12 |
15 |
0 |
0 |
0 |
| CDI |
0 |
42 |
13 |
33 |
39 |
15 |
2 |
1 |
| VCDI |
0 |
2 |
4 |
18 |
91 |
519 |
3832 |
27081 |
|
Date: 2024-03-11:
| 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 |
102 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
193 |
13 |
3 |
0 |
0 |
0 |
0 |
| VODI |
0 |
46 |
26 |
18 |
7 |
0 |
0 |
0 |
| ODI |
0 |
17 |
3 |
24 |
10 |
4 |
0 |
0 |
| CDI |
0 |
24 |
15 |
27 |
20 |
47 |
6 |
0 |
| VCDI |
0 |
1 |
6 |
42 |
42 |
278 |
3227 |
27881 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
84 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
110 |
6 |
2 |
0 |
0 |
0 |
0 |
| VODI |
0 |
91 |
11 |
12 |
4 |
0 |
0 |
0 |
| ODI |
0 |
35 |
14 |
9 |
6 |
2 |
0 |
0 |
| CDI |
0 |
43 |
16 |
19 |
11 |
15 |
7 |
0 |
| VCDI |
0 |
20 |
16 |
72 |
58 |
312 |
3226 |
27881 |
|
Date: 2024-03-13:
| 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 |
56 |
11 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
138 |
6 |
9 |
0 |
0 |
0 |
0 |
| VODI |
0 |
63 |
6 |
5 |
2 |
0 |
0 |
0 |
| ODI |
0 |
12 |
19 |
33 |
3 |
0 |
0 |
0 |
| CDI |
0 |
0 |
1 |
31 |
61 |
63 |
24 |
16 |
| VCDI |
0 |
0 |
0 |
5 |
79 |
569 |
7815 |
23053 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
41 |
6 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
102 |
7 |
1 |
0 |
0 |
0 |
0 |
| VODI |
0 |
107 |
9 |
10 |
0 |
0 |
0 |
0 |
| ODI |
0 |
19 |
17 |
39 |
10 |
0 |
0 |
0 |
| CDI |
0 |
0 |
4 |
26 |
50 |
28 |
10 |
9 |
| VCDI |
0 |
0 |
0 |
8 |
85 |
604 |
7829 |
23060 |
|
Date: 2024-03-15:
| 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 |
6 |
6 |
15 |
0 |
0 |
0 |
0 |
| OW |
0 |
65 |
27 |
33 |
7 |
0 |
0 |
0 |
| VODI |
0 |
50 |
12 |
31 |
8 |
0 |
0 |
0 |
| ODI |
0 |
18 |
5 |
30 |
11 |
0 |
0 |
0 |
| CDI |
0 |
1 |
3 |
25 |
62 |
40 |
25 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
71 |
557 |
11423 |
19550 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1 |
5 |
15 |
0 |
0 |
0 |
0 |
| OW |
0 |
39 |
25 |
30 |
3 |
0 |
0 |
0 |
| VODI |
0 |
73 |
11 |
33 |
7 |
0 |
0 |
0 |
| ODI |
0 |
27 |
9 |
28 |
12 |
0 |
0 |
0 |
| CDI |
0 |
0 |
3 |
28 |
70 |
30 |
18 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
67 |
567 |
11430 |
19550 |
|
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