Validation of sea ice concentration - Asian sector
Bulletin date: 2024-02-15
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-02-09:
| 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 |
121 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
183 |
15 |
14 |
0 |
0 |
0 |
0 |
| VODI |
0 |
104 |
32 |
48 |
15 |
0 |
0 |
0 |
| ODI |
0 |
34 |
11 |
22 |
29 |
7 |
0 |
0 |
| CDI |
0 |
39 |
7 |
9 |
47 |
45 |
11 |
0 |
| VCDI |
0 |
165 |
40 |
139 |
401 |
1906 |
7844 |
20794 |
|
...date precedes bulletin
|
Date: 2024-02-11:
| 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 |
90 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
118 |
11 |
17 |
18 |
0 |
0 |
0 |
| VODI |
0 |
96 |
24 |
32 |
23 |
0 |
0 |
0 |
| ODI |
0 |
20 |
7 |
26 |
25 |
3 |
0 |
0 |
| CDI |
0 |
36 |
8 |
17 |
48 |
28 |
11 |
0 |
| VCDI |
0 |
127 |
24 |
88 |
401 |
2004 |
7746 |
21033 |
|
...date precedes bulletin
|
Date: 2024-02-13:
| 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 |
122 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
142 |
16 |
8 |
0 |
0 |
0 |
0 |
| VODI |
0 |
45 |
25 |
77 |
46 |
0 |
0 |
0 |
| ODI |
0 |
27 |
1 |
14 |
35 |
1 |
0 |
0 |
| CDI |
0 |
49 |
13 |
24 |
31 |
43 |
13 |
0 |
| VCDI |
0 |
53 |
17 |
102 |
212 |
1467 |
6945 |
22554 |
|
...date precedes bulletin
|
Date: 2024-02-15:
| 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 |
160 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
159 |
6 |
1 |
0 |
0 |
0 |
0 |
| VODI |
0 |
81 |
11 |
36 |
4 |
0 |
0 |
0 |
| ODI |
0 |
40 |
8 |
6 |
4 |
0 |
0 |
0 |
| CDI |
0 |
49 |
13 |
17 |
22 |
16 |
1 |
0 |
| VCDI |
0 |
123 |
30 |
110 |
228 |
1275 |
7809 |
21873 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
152 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
168 |
5 |
1 |
0 |
0 |
0 |
0 |
| VODI |
0 |
80 |
11 |
36 |
5 |
0 |
0 |
0 |
| ODI |
0 |
40 |
8 |
5 |
3 |
0 |
0 |
0 |
| CDI |
0 |
54 |
14 |
19 |
24 |
20 |
1 |
0 |
| VCDI |
0 |
118 |
30 |
109 |
226 |
1271 |
7809 |
21873 |
|
Date: 2024-02-17:
| 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 |
231 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
157 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
88 |
14 |
6 |
0 |
0 |
0 |
0 |
| ODI |
0 |
54 |
1 |
6 |
0 |
0 |
0 |
0 |
| CDI |
0 |
106 |
17 |
10 |
15 |
18 |
4 |
0 |
| VCDI |
0 |
330 |
83 |
200 |
289 |
1258 |
8842 |
20353 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
238 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
151 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
90 |
14 |
7 |
0 |
0 |
0 |
0 |
| ODI |
0 |
57 |
2 |
5 |
1 |
0 |
0 |
0 |
| CDI |
0 |
107 |
20 |
10 |
14 |
20 |
3 |
0 |
| VCDI |
0 |
323 |
79 |
200 |
289 |
1256 |
8843 |
20353 |
|
Date: 2024-02-19:
| 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 |
286 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
196 |
21 |
10 |
0 |
0 |
0 |
0 |
| VODI |
0 |
149 |
11 |
11 |
1 |
0 |
0 |
0 |
| ODI |
0 |
80 |
15 |
27 |
1 |
2 |
0 |
0 |
| CDI |
0 |
87 |
34 |
102 |
27 |
47 |
37 |
0 |
| VCDI |
0 |
40 |
49 |
234 |
263 |
1037 |
10567 |
18747 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
207 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
121 |
7 |
2 |
0 |
0 |
0 |
0 |
| VODI |
0 |
128 |
8 |
8 |
2 |
0 |
0 |
0 |
| ODI |
0 |
102 |
13 |
6 |
0 |
2 |
1 |
0 |
| CDI |
0 |
90 |
7 |
25 |
10 |
42 |
41 |
0 |
| VCDI |
0 |
190 |
96 |
343 |
280 |
1042 |
10562 |
18747 |
|
Date: 2024-02-21:
| 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 |
225 |
4 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
102 |
11 |
8 |
0 |
0 |
0 |
0 |
| VODI |
0 |
97 |
23 |
42 |
8 |
0 |
0 |
0 |
| ODI |
0 |
65 |
16 |
11 |
13 |
1 |
0 |
0 |
| CDI |
0 |
53 |
16 |
35 |
105 |
48 |
33 |
1 |
| VCDI |
0 |
41 |
19 |
68 |
377 |
1037 |
9395 |
20227 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
150 |
4 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
100 |
3 |
6 |
0 |
0 |
0 |
0 |
| VODI |
0 |
99 |
9 |
13 |
2 |
0 |
0 |
0 |
| ODI |
0 |
76 |
20 |
15 |
3 |
0 |
0 |
0 |
| CDI |
0 |
117 |
33 |
42 |
48 |
49 |
15 |
0 |
| VCDI |
0 |
41 |
20 |
88 |
450 |
1037 |
9413 |
20228 |
|
Date: 2024-02-23:
| 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 |
177 |
5 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
97 |
6 |
12 |
3 |
0 |
0 |
0 |
| VODI |
0 |
54 |
15 |
14 |
12 |
0 |
0 |
0 |
| ODI |
0 |
42 |
9 |
64 |
21 |
0 |
0 |
0 |
| CDI |
0 |
30 |
11 |
60 |
78 |
17 |
18 |
0 |
| VCDI |
0 |
32 |
15 |
58 |
286 |
960 |
9766 |
20219 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
137 |
2 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
80 |
8 |
9 |
0 |
0 |
0 |
0 |
| VODI |
0 |
85 |
7 |
12 |
9 |
0 |
0 |
0 |
| ODI |
0 |
40 |
12 |
35 |
9 |
0 |
0 |
0 |
| CDI |
0 |
46 |
8 |
86 |
47 |
14 |
24 |
0 |
| VCDI |
0 |
44 |
24 |
67 |
335 |
963 |
9760 |
20219 |
|
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