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 |
81 |
75 |
0 |
1 |
0 |
0 |
0 |
0 |
| OW |
89 |
130 |
7 |
8 |
1 |
0 |
0 |
0 |
| VODI |
24 |
177 |
8 |
10 |
13 |
0 |
0 |
0 |
| ODI |
0 |
65 |
12 |
18 |
10 |
5 |
0 |
0 |
| CDI |
0 |
117 |
24 |
65 |
55 |
50 |
16 |
0 |
| VCDI |
0 |
551 |
131 |
379 |
805 |
2318 |
7115 |
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 |
113 |
78 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
66 |
163 |
2 |
1 |
4 |
0 |
0 |
0 |
| VODI |
23 |
132 |
17 |
28 |
7 |
6 |
0 |
0 |
| ODI |
0 |
81 |
13 |
38 |
21 |
7 |
1 |
0 |
| CDI |
0 |
109 |
21 |
49 |
70 |
63 |
37 |
0 |
| VCDI |
0 |
557 |
111 |
364 |
730 |
2458 |
7657 |
19055 |
|
...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 |
24 |
184 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
19 |
252 |
15 |
10 |
2 |
0 |
0 |
0 |
| VODI |
0 |
88 |
6 |
31 |
24 |
0 |
0 |
0 |
| ODI |
0 |
51 |
4 |
27 |
35 |
2 |
1 |
0 |
| CDI |
0 |
123 |
22 |
55 |
83 |
99 |
60 |
0 |
| VCDI |
0 |
81 |
45 |
265 |
615 |
2346 |
8304 |
19209 |
|
...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 |
141 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
200 |
22 |
16 |
3 |
0 |
0 |
0 |
| VODI |
0 |
97 |
20 |
53 |
25 |
0 |
0 |
0 |
| ODI |
0 |
37 |
2 |
16 |
30 |
5 |
1 |
0 |
| CDI |
0 |
39 |
2 |
20 |
60 |
56 |
11 |
0 |
| VCDI |
0 |
128 |
33 |
156 |
394 |
2112 |
7738 |
20665 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
145 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
205 |
24 |
17 |
3 |
0 |
0 |
0 |
| VODI |
0 |
101 |
20 |
58 |
29 |
0 |
0 |
0 |
| ODI |
0 |
37 |
1 |
13 |
29 |
4 |
1 |
0 |
| CDI |
0 |
38 |
2 |
19 |
61 |
64 |
14 |
0 |
| VCDI |
0 |
116 |
32 |
154 |
390 |
2105 |
7735 |
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 |
103 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
152 |
19 |
22 |
0 |
0 |
0 |
0 |
| VODI |
0 |
98 |
21 |
51 |
13 |
0 |
0 |
0 |
| ODI |
0 |
33 |
15 |
28 |
19 |
1 |
0 |
0 |
| CDI |
0 |
46 |
2 |
17 |
60 |
36 |
11 |
0 |
| VCDI |
0 |
149 |
28 |
138 |
359 |
1917 |
8193 |
20551 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
113 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
156 |
19 |
29 |
0 |
0 |
0 |
0 |
| VODI |
0 |
91 |
23 |
48 |
16 |
0 |
0 |
0 |
| ODI |
0 |
47 |
13 |
30 |
20 |
2 |
0 |
0 |
| CDI |
0 |
42 |
2 |
14 |
60 |
34 |
11 |
0 |
| VCDI |
0 |
132 |
28 |
135 |
355 |
1918 |
8193 |
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 |
112 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
154 |
17 |
7 |
0 |
0 |
0 |
0 |
| VODI |
0 |
65 |
28 |
78 |
58 |
2 |
0 |
0 |
| ODI |
0 |
39 |
6 |
10 |
48 |
15 |
0 |
0 |
| CDI |
0 |
46 |
16 |
31 |
39 |
88 |
3 |
0 |
| VCDI |
0 |
13 |
7 |
72 |
274 |
1665 |
7757 |
21432 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
102 |
2 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
89 |
15 |
18 |
21 |
0 |
0 |
0 |
| VODI |
0 |
88 |
23 |
33 |
28 |
5 |
0 |
0 |
| ODI |
0 |
17 |
2 |
25 |
26 |
3 |
0 |
0 |
| CDI |
0 |
25 |
6 |
24 |
35 |
22 |
5 |
0 |
| VCDI |
0 |
108 |
26 |
98 |
309 |
1740 |
7755 |
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 |
141 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
162 |
2 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
71 |
35 |
50 |
5 |
0 |
0 |
0 |
| ODI |
0 |
32 |
6 |
23 |
5 |
0 |
0 |
0 |
| CDI |
0 |
48 |
10 |
29 |
20 |
31 |
9 |
0 |
| VCDI |
0 |
94 |
21 |
62 |
228 |
1322 |
7121 |
22555 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
133 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
69 |
10 |
7 |
0 |
0 |
0 |
0 |
| VODI |
0 |
128 |
13 |
37 |
3 |
0 |
0 |
0 |
| ODI |
0 |
44 |
14 |
20 |
4 |
2 |
0 |
0 |
| CDI |
0 |
33 |
3 |
8 |
12 |
17 |
7 |
0 |
| VCDI |
0 |
141 |
34 |
92 |
239 |
1334 |
7123 |
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 |
189 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
170 |
0 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
85 |
15 |
13 |
3 |
0 |
0 |
0 |
| ODI |
0 |
45 |
7 |
4 |
3 |
0 |
0 |
0 |
| CDI |
0 |
73 |
12 |
13 |
6 |
8 |
2 |
0 |
| VCDI |
0 |
241 |
56 |
178 |
267 |
1302 |
8857 |
20533 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
162 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
87 |
6 |
0 |
0 |
0 |
0 |
0 |
| VODI |
0 |
77 |
12 |
14 |
3 |
0 |
0 |
0 |
| ODI |
0 |
45 |
3 |
3 |
3 |
0 |
0 |
0 |
| CDI |
0 |
84 |
3 |
4 |
2 |
10 |
4 |
8 |
| VCDI |
0 |
348 |
66 |
187 |
271 |
1300 |
8855 |
20525 |
|
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