Validation of sea ice concentration - Asian sector
Bulletin date: 2023-11-09
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-11-03:
| 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 |
1557 |
1609 |
3 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
282 |
11 |
22 |
11 |
0 |
0 |
0 |
| VODI |
0 |
137 |
51 |
63 |
46 |
70 |
3 |
0 |
| ODI |
0 |
34 |
40 |
99 |
101 |
278 |
66 |
0 |
| CDI |
0 |
3 |
17 |
77 |
355 |
438 |
192 |
5 |
| VCDI |
0 |
0 |
0 |
13 |
671 |
3601 |
10385 |
11842 |
|
...date precedes bulletin
|
Date: 2023-11-05:
| 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 |
862 |
2050 |
15 |
16 |
0 |
0 |
0 |
0 |
| OW |
0 |
253 |
41 |
16 |
0 |
0 |
0 |
0 |
| VODI |
0 |
105 |
39 |
75 |
77 |
50 |
0 |
0 |
| ODI |
0 |
39 |
25 |
78 |
154 |
117 |
60 |
0 |
| CDI |
0 |
3 |
10 |
58 |
185 |
441 |
427 |
28 |
| VCDI |
0 |
0 |
0 |
33 |
224 |
4587 |
10429 |
11585 |
|
...date precedes bulletin
|
Date: 2023-11-07:
| 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 |
900 |
1962 |
4 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
306 |
37 |
25 |
0 |
0 |
0 |
0 |
| VODI |
0 |
98 |
59 |
98 |
17 |
0 |
0 |
0 |
| ODI |
0 |
4 |
11 |
75 |
134 |
41 |
11 |
0 |
| CDI |
0 |
0 |
0 |
23 |
99 |
250 |
183 |
3 |
| VCDI |
0 |
0 |
0 |
3 |
30 |
2944 |
14233 |
10532 |
|
...date precedes bulletin
|
Date: 2023-11-09:
| 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 |
495 |
2107 |
29 |
23 |
8 |
0 |
0 |
0 |
| OW |
0 |
220 |
42 |
74 |
53 |
11 |
0 |
0 |
| VODI |
0 |
159 |
36 |
60 |
105 |
43 |
0 |
0 |
| ODI |
0 |
35 |
30 |
63 |
63 |
68 |
3 |
0 |
| CDI |
0 |
8 |
7 |
47 |
142 |
286 |
135 |
0 |
| VCDI |
0 |
5 |
6 |
17 |
95 |
2417 |
16191 |
8999 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
495 |
2117 |
28 |
23 |
10 |
0 |
0 |
0 |
| OW |
0 |
211 |
41 |
72 |
50 |
8 |
0 |
0 |
| VODI |
0 |
154 |
32 |
56 |
96 |
44 |
0 |
0 |
| ODI |
0 |
43 |
30 |
55 |
67 |
55 |
2 |
0 |
| CDI |
0 |
9 |
15 |
64 |
142 |
276 |
152 |
0 |
| VCDI |
0 |
0 |
4 |
14 |
101 |
2442 |
16175 |
8999 |
|
Date: 2023-11-11:
| 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 |
360 |
1955 |
20 |
12 |
0 |
0 |
0 |
0 |
| OW |
0 |
243 |
43 |
68 |
41 |
0 |
0 |
0 |
| VODI |
0 |
113 |
71 |
104 |
121 |
81 |
0 |
0 |
| ODI |
0 |
12 |
24 |
85 |
59 |
98 |
7 |
0 |
| CDI |
0 |
6 |
2 |
42 |
121 |
216 |
104 |
8 |
| VCDI |
0 |
3 |
4 |
15 |
93 |
1612 |
13714 |
12625 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
360 |
1983 |
16 |
10 |
0 |
0 |
0 |
0 |
| OW |
0 |
209 |
48 |
66 |
30 |
0 |
0 |
0 |
| VODI |
0 |
114 |
61 |
94 |
127 |
70 |
0 |
0 |
| ODI |
0 |
19 |
29 |
92 |
42 |
108 |
5 |
0 |
| CDI |
0 |
7 |
10 |
57 |
140 |
232 |
114 |
6 |
| VCDI |
0 |
0 |
0 |
7 |
96 |
1597 |
13706 |
12627 |
|
Date: 2023-11-13:
| 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 |
296 |
1907 |
14 |
16 |
0 |
0 |
0 |
0 |
| OW |
0 |
273 |
37 |
21 |
11 |
0 |
0 |
0 |
| VODI |
0 |
75 |
86 |
218 |
82 |
5 |
0 |
0 |
| ODI |
0 |
4 |
7 |
93 |
193 |
66 |
0 |
0 |
| CDI |
0 |
0 |
2 |
5 |
69 |
271 |
32 |
0 |
| VCDI |
0 |
6 |
2 |
13 |
62 |
1480 |
15733 |
11003 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
296 |
1877 |
11 |
13 |
0 |
0 |
0 |
0 |
| OW |
0 |
206 |
39 |
39 |
13 |
0 |
0 |
0 |
| VODI |
0 |
122 |
56 |
114 |
106 |
9 |
0 |
0 |
| ODI |
0 |
50 |
32 |
103 |
103 |
80 |
2 |
0 |
| CDI |
0 |
5 |
8 |
75 |
94 |
228 |
46 |
0 |
| VCDI |
0 |
5 |
2 |
22 |
101 |
1505 |
15717 |
11003 |
|
Date: 2023-11-15:
| 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 |
56 |
2030 |
19 |
24 |
4 |
0 |
0 |
0 |
| OW |
0 |
203 |
28 |
21 |
25 |
0 |
0 |
0 |
| VODI |
0 |
118 |
54 |
115 |
99 |
0 |
0 |
0 |
| ODI |
0 |
15 |
19 |
93 |
172 |
33 |
0 |
0 |
| CDI |
0 |
0 |
0 |
11 |
85 |
320 |
28 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
62 |
1385 |
14027 |
13036 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56 |
2060 |
24 |
26 |
4 |
0 |
0 |
0 |
| OW |
0 |
136 |
34 |
43 |
27 |
0 |
0 |
0 |
| VODI |
0 |
91 |
33 |
84 |
133 |
10 |
0 |
0 |
| ODI |
0 |
74 |
22 |
63 |
122 |
58 |
0 |
0 |
| CDI |
0 |
5 |
7 |
47 |
101 |
265 |
20 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
60 |
1405 |
14035 |
13036 |
|
Date: 2023-11-17:
| 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 |
28 |
1809 |
30 |
21 |
0 |
0 |
0 |
0 |
| OW |
0 |
230 |
31 |
26 |
2 |
0 |
0 |
0 |
| VODI |
0 |
31 |
45 |
94 |
60 |
16 |
0 |
0 |
| ODI |
0 |
10 |
9 |
36 |
120 |
70 |
2 |
0 |
| CDI |
0 |
0 |
3 |
12 |
101 |
368 |
58 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
32 |
1311 |
14851 |
12676 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
28 |
1891 |
44 |
28 |
0 |
0 |
0 |
0 |
| OW |
0 |
149 |
35 |
44 |
18 |
2 |
0 |
0 |
| VODI |
0 |
19 |
25 |
78 |
101 |
53 |
0 |
0 |
| ODI |
0 |
10 |
6 |
18 |
99 |
178 |
3 |
0 |
| CDI |
0 |
8 |
3 |
11 |
46 |
215 |
53 |
0 |
| VCDI |
0 |
3 |
5 |
10 |
51 |
1317 |
14855 |
12676 |
|
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