Validation of sea ice concentration - Asian sector
Bulletin date: 2024-02-01
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-01-26:
| 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 |
28 |
11 |
7 |
0 |
0 |
0 |
0 |
| VODI |
0 |
65 |
16 |
44 |
27 |
4 |
1 |
0 |
| ODI |
0 |
43 |
14 |
15 |
15 |
9 |
1 |
0 |
| CDI |
0 |
56 |
7 |
14 |
18 |
36 |
8 |
0 |
| VCDI |
0 |
41 |
19 |
45 |
58 |
477 |
11640 |
19363 |
|
...date precedes bulletin
|
Date: 2024-01-28:
| 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 |
20 |
4 |
1 |
0 |
0 |
0 |
0 |
| VODI |
0 |
58 |
24 |
56 |
25 |
0 |
0 |
0 |
| ODI |
0 |
61 |
8 |
17 |
21 |
6 |
0 |
0 |
| CDI |
0 |
63 |
7 |
2 |
7 |
2 |
7 |
0 |
| VCDI |
0 |
87 |
41 |
67 |
116 |
656 |
13010 |
17716 |
|
...date precedes bulletin
|
Date: 2024-01-30:
| 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 |
31 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
241 |
14 |
2 |
0 |
0 |
0 |
0 |
| VODI |
0 |
139 |
1 |
2 |
1 |
0 |
0 |
0 |
| ODI |
0 |
44 |
3 |
11 |
5 |
2 |
0 |
0 |
| CDI |
0 |
68 |
14 |
31 |
35 |
27 |
7 |
2 |
| VCDI |
0 |
221 |
57 |
157 |
417 |
1298 |
10008 |
19244 |
|
...date precedes bulletin
|
Date: 2024-02-01:
| 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 |
62 |
76 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
73 |
141 |
7 |
3 |
0 |
0 |
0 |
0 |
| VODI |
1 |
168 |
6 |
9 |
7 |
2 |
0 |
0 |
| ODI |
0 |
64 |
4 |
18 |
8 |
4 |
0 |
0 |
| CDI |
0 |
132 |
18 |
35 |
46 |
56 |
8 |
0 |
| VCDI |
0 |
555 |
104 |
246 |
752 |
2322 |
7451 |
19703 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55 |
80 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
80 |
129 |
7 |
3 |
0 |
0 |
0 |
0 |
| VODI |
1 |
172 |
5 |
9 |
6 |
1 |
0 |
0 |
| ODI |
0 |
71 |
7 |
15 |
9 |
6 |
0 |
0 |
| CDI |
0 |
126 |
16 |
32 |
40 |
50 |
6 |
0 |
| VCDI |
0 |
558 |
104 |
252 |
758 |
2327 |
7453 |
19703 |
|
Date: 2024-02-03:
| 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 |
116 |
79 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
71 |
164 |
11 |
5 |
3 |
0 |
0 |
0 |
| VODI |
21 |
166 |
10 |
16 |
8 |
1 |
0 |
0 |
| ODI |
0 |
76 |
9 |
19 |
27 |
4 |
1 |
0 |
| CDI |
0 |
111 |
30 |
57 |
56 |
47 |
49 |
0 |
| VCDI |
0 |
627 |
118 |
403 |
866 |
2389 |
6926 |
19595 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
120 |
80 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
74 |
143 |
8 |
5 |
3 |
0 |
0 |
0 |
| VODI |
14 |
176 |
13 |
16 |
6 |
1 |
0 |
0 |
| ODI |
0 |
71 |
6 |
18 |
22 |
4 |
1 |
0 |
| CDI |
0 |
115 |
28 |
56 |
57 |
37 |
53 |
0 |
| VCDI |
0 |
638 |
123 |
405 |
872 |
2399 |
6922 |
19595 |
|
Date: 2024-02-05:
| 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 |
79 |
169 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
16 |
299 |
7 |
3 |
0 |
0 |
0 |
0 |
| VODI |
0 |
94 |
13 |
23 |
15 |
0 |
0 |
0 |
| ODI |
0 |
62 |
11 |
29 |
41 |
2 |
3 |
0 |
| CDI |
0 |
255 |
41 |
106 |
165 |
167 |
54 |
0 |
| VCDI |
0 |
71 |
55 |
237 |
627 |
2503 |
7830 |
19105 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54 |
93 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
41 |
194 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
127 |
12 |
24 |
14 |
6 |
0 |
0 |
| ODI |
0 |
52 |
3 |
20 |
22 |
10 |
3 |
0 |
| CDI |
0 |
88 |
13 |
37 |
75 |
100 |
38 |
0 |
| VCDI |
0 |
396 |
99 |
317 |
737 |
2556 |
7846 |
19105 |
|
Date: 2024-02-07:
| 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 |
25 |
153 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
18 |
223 |
8 |
18 |
7 |
0 |
0 |
0 |
| VODI |
1 |
90 |
10 |
41 |
27 |
2 |
0 |
0 |
| ODI |
0 |
42 |
3 |
8 |
41 |
4 |
1 |
0 |
| CDI |
0 |
56 |
2 |
15 |
69 |
74 |
37 |
0 |
| VCDI |
0 |
127 |
48 |
155 |
464 |
2033 |
8620 |
19660 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19 |
76 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
18 |
214 |
0 |
0 |
1 |
0 |
0 |
0 |
| VODI |
7 |
98 |
3 |
7 |
7 |
0 |
0 |
0 |
| ODI |
0 |
30 |
9 |
16 |
20 |
1 |
1 |
0 |
| CDI |
0 |
42 |
2 |
19 |
55 |
67 |
48 |
0 |
| VCDI |
0 |
231 |
57 |
195 |
525 |
2045 |
8609 |
19660 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
65 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
145 |
4 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
132 |
31 |
34 |
0 |
0 |
0 |
0 |
| ODI |
0 |
40 |
6 |
2 |
2 |
6 |
3 |
0 |
| CDI |
0 |
29 |
9 |
11 |
31 |
28 |
12 |
0 |
| VCDI |
0 |
235 |
55 |
185 |
459 |
1924 |
7840 |
20794 |
|
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