Validation of sea ice concentration - Asian sector
Bulletin date: 2024-02-08
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-02-02:
| 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 |
145 |
112 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
37 |
87 |
0 |
2 |
0 |
0 |
0 |
0 |
| VODI |
0 |
245 |
14 |
32 |
10 |
0 |
0 |
0 |
| ODI |
0 |
149 |
12 |
43 |
42 |
24 |
2 |
0 |
| CDI |
0 |
114 |
24 |
59 |
89 |
116 |
29 |
0 |
| VCDI |
0 |
420 |
132 |
345 |
743 |
2233 |
7100 |
19722 |
|
...date precedes bulletin
|
Date: 2024-02-04:
| 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 |
84 |
182 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
28 |
79 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
235 |
10 |
7 |
1 |
0 |
0 |
0 |
| ODI |
0 |
200 |
21 |
47 |
34 |
46 |
1 |
0 |
| CDI |
0 |
128 |
17 |
54 |
90 |
165 |
68 |
20 |
| VCDI |
0 |
386 |
116 |
372 |
707 |
2323 |
7626 |
19035 |
|
...date precedes bulletin
|
Date: 2024-02-06:
| 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 |
326 |
3 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
52 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
175 |
2 |
1 |
16 |
13 |
0 |
0 |
| ODI |
0 |
186 |
36 |
73 |
76 |
70 |
4 |
0 |
| CDI |
0 |
45 |
19 |
109 |
119 |
197 |
77 |
0 |
| VCDI |
0 |
38 |
32 |
205 |
548 |
2167 |
8312 |
19181 |
|
...date precedes bulletin
|
Date: 2024-02-08:
| 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 |
259 |
27 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
53 |
2 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
63 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
115 |
10 |
2 |
9 |
7 |
4 |
0 |
| CDI |
0 |
117 |
21 |
92 |
79 |
184 |
72 |
0 |
| VCDI |
0 |
35 |
19 |
156 |
424 |
1982 |
7674 |
20665 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
249 |
26 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
58 |
3 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
59 |
0 |
0 |
0 |
0 |
0 |
0 |
| ODI |
0 |
120 |
14 |
11 |
7 |
6 |
2 |
0 |
| CDI |
0 |
137 |
18 |
71 |
61 |
166 |
75 |
0 |
| VCDI |
0 |
19 |
18 |
168 |
444 |
2001 |
7673 |
20665 |
|
Date: 2024-02-10:
| 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 |
196 |
29 |
52 |
7 |
0 |
0 |
0 |
| OW |
0 |
52 |
0 |
1 |
2 |
0 |
0 |
0 |
| VODI |
0 |
51 |
3 |
2 |
0 |
0 |
0 |
0 |
| ODI |
0 |
56 |
7 |
5 |
12 |
8 |
0 |
0 |
| CDI |
0 |
167 |
12 |
8 |
60 |
90 |
24 |
0 |
| VCDI |
0 |
59 |
34 |
188 |
370 |
1856 |
8180 |
20551 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
186 |
29 |
50 |
7 |
0 |
0 |
0 |
| OW |
0 |
52 |
0 |
3 |
2 |
0 |
0 |
0 |
| VODI |
0 |
56 |
3 |
2 |
0 |
0 |
0 |
0 |
| ODI |
0 |
56 |
7 |
6 |
10 |
7 |
0 |
0 |
| CDI |
0 |
169 |
25 |
23 |
56 |
85 |
19 |
0 |
| VCDI |
0 |
62 |
21 |
172 |
376 |
1862 |
8185 |
20551 |
|
Date: 2024-02-12:
| 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 |
221 |
25 |
42 |
33 |
3 |
0 |
0 |
| OW |
0 |
51 |
9 |
7 |
20 |
2 |
0 |
0 |
| VODI |
0 |
144 |
15 |
30 |
5 |
0 |
0 |
0 |
| ODI |
0 |
13 |
23 |
42 |
4 |
0 |
0 |
0 |
| CDI |
0 |
0 |
2 |
57 |
101 |
63 |
9 |
0 |
| VCDI |
0 |
0 |
0 |
20 |
256 |
1702 |
7751 |
21432 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
146 |
22 |
42 |
40 |
4 |
0 |
0 |
| OW |
0 |
36 |
4 |
3 |
17 |
1 |
0 |
0 |
| VODI |
0 |
40 |
1 |
5 |
1 |
0 |
0 |
0 |
| ODI |
0 |
28 |
4 |
10 |
0 |
0 |
0 |
0 |
| CDI |
0 |
82 |
11 |
14 |
16 |
21 |
21 |
0 |
| VCDI |
0 |
97 |
32 |
124 |
345 |
1744 |
7739 |
21432 |
|
Date: 2024-02-14:
| 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 |
250 |
19 |
28 |
5 |
0 |
0 |
0 |
| OW |
0 |
50 |
5 |
18 |
0 |
0 |
0 |
0 |
| VODI |
0 |
79 |
8 |
16 |
0 |
0 |
0 |
0 |
| ODI |
0 |
138 |
17 |
19 |
0 |
0 |
0 |
0 |
| CDI |
0 |
27 |
15 |
27 |
30 |
9 |
0 |
0 |
| VCDI |
0 |
4 |
10 |
56 |
223 |
1344 |
7130 |
22555 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
195 |
21 |
29 |
5 |
0 |
0 |
0 |
| OW |
0 |
49 |
4 |
25 |
0 |
0 |
0 |
0 |
| VODI |
0 |
41 |
4 |
3 |
0 |
0 |
0 |
0 |
| ODI |
0 |
31 |
2 |
5 |
1 |
0 |
0 |
0 |
| CDI |
0 |
60 |
5 |
5 |
6 |
3 |
0 |
0 |
| VCDI |
0 |
172 |
38 |
97 |
246 |
1350 |
7130 |
22555 |
|
Date: 2024-02-16:
| 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 |
297 |
15 |
6 |
0 |
0 |
0 |
0 |
| OW |
0 |
78 |
4 |
5 |
4 |
0 |
0 |
0 |
| VODI |
0 |
100 |
3 |
6 |
2 |
0 |
0 |
0 |
| ODI |
0 |
164 |
1 |
0 |
0 |
0 |
0 |
0 |
| CDI |
0 |
97 |
26 |
26 |
19 |
17 |
8 |
0 |
| VCDI |
0 |
67 |
41 |
165 |
254 |
1293 |
8851 |
20533 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
197 |
16 |
12 |
1 |
0 |
0 |
0 |
| OW |
0 |
62 |
5 |
4 |
5 |
0 |
0 |
0 |
| VODI |
0 |
40 |
1 |
1 |
0 |
0 |
0 |
0 |
| ODI |
0 |
44 |
0 |
0 |
0 |
0 |
0 |
0 |
| CDI |
0 |
55 |
1 |
5 |
7 |
32 |
27 |
5 |
| VCDI |
0 |
405 |
67 |
186 |
266 |
1278 |
8832 |
20528 |
|
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