Validation of sea ice concentration - Asian sector
Bulletin date: 2024-12-05
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-11-29:
| 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 |
1601 |
26 |
9 |
0 |
0 |
0 |
0 |
| OW |
0 |
238 |
69 |
102 |
4 |
0 |
0 |
0 |
| VODI |
0 |
44 |
43 |
135 |
92 |
4 |
0 |
0 |
| ODI |
0 |
9 |
10 |
63 |
181 |
90 |
5 |
0 |
| CDI |
0 |
2 |
4 |
25 |
149 |
589 |
263 |
3 |
| VCDI |
0 |
2 |
4 |
18 |
113 |
1640 |
11682 |
14863 |
|
...date precedes bulletin
|
Date: 2024-12-01:
| 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 |
13 |
1754 |
20 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
323 |
30 |
70 |
3 |
0 |
0 |
0 |
| VODI |
0 |
131 |
42 |
87 |
52 |
2 |
0 |
0 |
| ODI |
0 |
46 |
25 |
56 |
117 |
27 |
1 |
0 |
| CDI |
0 |
25 |
25 |
84 |
221 |
213 |
33 |
19 |
| VCDI |
0 |
0 |
2 |
24 |
140 |
2649 |
11209 |
14637 |
|
...date precedes bulletin
|
Date: 2024-12-03:
| 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 |
98 |
1674 |
28 |
23 |
0 |
0 |
0 |
0 |
| OW |
2 |
216 |
73 |
91 |
22 |
0 |
0 |
0 |
| VODI |
1 |
102 |
64 |
161 |
107 |
19 |
0 |
0 |
| ODI |
0 |
8 |
18 |
84 |
166 |
125 |
0 |
0 |
| CDI |
0 |
2 |
4 |
55 |
227 |
696 |
161 |
2 |
| VCDI |
0 |
0 |
0 |
13 |
106 |
1618 |
10230 |
15886 |
|
...date precedes bulletin
|
Date: 2024-12-05:
| 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 |
1482 |
45 |
28 |
9 |
0 |
0 |
0 |
| OW |
0 |
183 |
54 |
102 |
42 |
1 |
0 |
0 |
| VODI |
0 |
52 |
53 |
184 |
124 |
38 |
0 |
0 |
| ODI |
0 |
1 |
12 |
71 |
195 |
135 |
0 |
0 |
| CDI |
0 |
0 |
1 |
25 |
150 |
701 |
313 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
50 |
1070 |
10654 |
16307 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1571 |
66 |
59 |
16 |
0 |
0 |
0 |
| OW |
0 |
105 |
52 |
124 |
46 |
1 |
0 |
0 |
| VODI |
0 |
41 |
36 |
158 |
136 |
46 |
0 |
0 |
| ODI |
0 |
1 |
10 |
55 |
215 |
157 |
0 |
0 |
| CDI |
0 |
0 |
1 |
14 |
126 |
768 |
427 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
31 |
973 |
10540 |
16306 |
|
Date: 2024-12-07:
| 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 |
1237 |
22 |
13 |
6 |
1 |
0 |
0 |
| OW |
0 |
215 |
59 |
81 |
12 |
13 |
0 |
0 |
| VODI |
0 |
67 |
55 |
149 |
125 |
6 |
0 |
0 |
| ODI |
0 |
3 |
9 |
78 |
298 |
60 |
4 |
0 |
| CDI |
0 |
0 |
0 |
11 |
197 |
660 |
363 |
4 |
| VCDI |
0 |
0 |
0 |
1 |
18 |
816 |
8742 |
18757 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1354 |
44 |
55 |
10 |
5 |
0 |
0 |
| OW |
0 |
129 |
60 |
86 |
38 |
11 |
0 |
0 |
| VODI |
0 |
36 |
39 |
128 |
135 |
9 |
0 |
0 |
| ODI |
0 |
3 |
2 |
56 |
294 |
98 |
15 |
0 |
| CDI |
0 |
0 |
0 |
7 |
172 |
631 |
451 |
63 |
| VCDI |
0 |
0 |
0 |
1 |
7 |
802 |
8643 |
18698 |
|
Date: 2024-12-09:
| 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 |
77 |
1269 |
4 |
3 |
0 |
0 |
0 |
0 |
| OW |
4 |
382 |
43 |
28 |
0 |
0 |
0 |
0 |
| VODI |
1 |
73 |
72 |
178 |
28 |
0 |
0 |
0 |
| ODI |
0 |
1 |
13 |
130 |
182 |
33 |
0 |
0 |
| CDI |
0 |
3 |
4 |
12 |
203 |
435 |
65 |
6 |
| VCDI |
0 |
0 |
0 |
2 |
31 |
606 |
7514 |
20680 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
79 |
1369 |
19 |
11 |
1 |
0 |
0 |
0 |
| OW |
2 |
215 |
44 |
44 |
7 |
0 |
0 |
0 |
| VODI |
1 |
133 |
51 |
175 |
57 |
7 |
0 |
0 |
| ODI |
0 |
9 |
17 |
107 |
164 |
44 |
1 |
0 |
| CDI |
0 |
2 |
5 |
14 |
158 |
351 |
86 |
25 |
| VCDI |
0 |
0 |
0 |
2 |
57 |
672 |
7492 |
20661 |
|
Date: 2024-12-11:
| 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 |
2 |
1307 |
3 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
312 |
69 |
59 |
5 |
0 |
0 |
0 |
| VODI |
0 |
72 |
45 |
122 |
95 |
30 |
0 |
0 |
| ODI |
0 |
7 |
9 |
42 |
89 |
89 |
8 |
0 |
| CDI |
0 |
0 |
0 |
13 |
56 |
315 |
91 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
489 |
6941 |
21810 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2 |
1412 |
47 |
26 |
1 |
0 |
0 |
0 |
| OW |
0 |
196 |
35 |
80 |
26 |
6 |
0 |
0 |
| VODI |
0 |
69 |
34 |
79 |
112 |
53 |
7 |
0 |
| ODI |
0 |
19 |
9 |
43 |
65 |
113 |
6 |
0 |
| CDI |
0 |
2 |
1 |
8 |
34 |
198 |
39 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
553 |
6988 |
21801 |
|
Date: 2024-12-13:
| 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 |
1 |
1001 |
30 |
26 |
3 |
0 |
0 |
0 |
| OW |
0 |
162 |
65 |
104 |
53 |
1 |
0 |
0 |
| VODI |
0 |
42 |
26 |
87 |
162 |
78 |
0 |
0 |
| ODI |
0 |
2 |
5 |
43 |
99 |
138 |
4 |
0 |
| CDI |
0 |
0 |
0 |
2 |
78 |
274 |
115 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
512 |
9662 |
19283 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1 |
1021 |
54 |
85 |
57 |
0 |
0 |
0 |
| OW |
0 |
117 |
30 |
44 |
51 |
12 |
0 |
0 |
| VODI |
0 |
52 |
29 |
78 |
116 |
98 |
0 |
0 |
| ODI |
0 |
16 |
8 |
30 |
85 |
125 |
5 |
0 |
| CDI |
0 |
1 |
5 |
25 |
91 |
286 |
162 |
10 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
482 |
9614 |
19275 |
|
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