Validation of sea ice concentration - Asian sector
Bulletin date: 2023-11-30
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-11-24:
| 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 |
1588 |
65 |
50 |
26 |
10 |
0 |
0 |
| OW |
0 |
210 |
54 |
89 |
16 |
2 |
0 |
0 |
| VODI |
0 |
123 |
35 |
80 |
50 |
6 |
0 |
0 |
| ODI |
0 |
46 |
28 |
35 |
46 |
13 |
4 |
0 |
| CDI |
0 |
26 |
18 |
47 |
78 |
63 |
46 |
0 |
| VCDI |
0 |
21 |
26 |
83 |
141 |
843 |
10715 |
17397 |
|
...date precedes bulletin
|
Date: 2023-11-26:
| 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 |
1 |
1457 |
55 |
50 |
9 |
3 |
0 |
0 |
| OW |
0 |
233 |
51 |
89 |
14 |
4 |
0 |
0 |
| VODI |
0 |
118 |
37 |
117 |
134 |
6 |
0 |
0 |
| ODI |
0 |
50 |
16 |
55 |
88 |
18 |
1 |
0 |
| CDI |
0 |
39 |
16 |
41 |
90 |
77 |
50 |
0 |
| VCDI |
0 |
64 |
45 |
97 |
138 |
675 |
10226 |
17918 |
|
...date precedes bulletin
|
Date: 2023-11-28:
| 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 |
2 |
1450 |
79 |
155 |
55 |
6 |
0 |
0 |
| OW |
0 |
156 |
57 |
59 |
26 |
11 |
0 |
0 |
| VODI |
0 |
75 |
41 |
107 |
129 |
17 |
5 |
0 |
| ODI |
0 |
31 |
17 |
57 |
129 |
115 |
11 |
0 |
| CDI |
0 |
14 |
16 |
35 |
139 |
214 |
68 |
10 |
| VCDI |
0 |
36 |
24 |
62 |
171 |
1373 |
10961 |
16169 |
|
...date precedes bulletin
|
Date: 2023-11-30:
| 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 |
1147 |
74 |
107 |
169 |
21 |
0 |
0 |
| OW |
0 |
227 |
55 |
51 |
8 |
9 |
0 |
0 |
| VODI |
0 |
126 |
59 |
121 |
110 |
19 |
0 |
0 |
| ODI |
0 |
14 |
19 |
69 |
124 |
134 |
10 |
0 |
| CDI |
0 |
7 |
7 |
36 |
127 |
338 |
76 |
0 |
| VCDI |
0 |
4 |
12 |
40 |
135 |
1839 |
15601 |
11187 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1142 |
79 |
117 |
170 |
22 |
0 |
0 |
| OW |
0 |
207 |
43 |
43 |
10 |
10 |
0 |
0 |
| VODI |
0 |
147 |
55 |
95 |
92 |
25 |
0 |
0 |
| ODI |
0 |
18 |
30 |
84 |
114 |
109 |
8 |
0 |
| CDI |
0 |
6 |
6 |
42 |
149 |
286 |
67 |
0 |
| VCDI |
0 |
5 |
13 |
43 |
138 |
1908 |
15612 |
11187 |
|
Date: 2023-12-02:
| 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 |
0 |
1026 |
54 |
83 |
59 |
4 |
0 |
0 |
| OW |
0 |
193 |
27 |
46 |
21 |
28 |
5 |
0 |
| VODI |
0 |
96 |
63 |
115 |
67 |
21 |
5 |
0 |
| ODI |
0 |
34 |
18 |
77 |
164 |
121 |
5 |
0 |
| CDI |
0 |
3 |
3 |
36 |
113 |
182 |
42 |
4 |
| VCDI |
0 |
0 |
1 |
22 |
74 |
1234 |
9238 |
18798 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1025 |
60 |
90 |
60 |
6 |
0 |
0 |
| OW |
0 |
161 |
15 |
35 |
17 |
23 |
7 |
0 |
| VODI |
0 |
107 |
51 |
91 |
46 |
28 |
3 |
0 |
| ODI |
0 |
47 |
29 |
84 |
149 |
81 |
3 |
0 |
| CDI |
0 |
12 |
10 |
55 |
129 |
176 |
14 |
4 |
| VCDI |
0 |
0 |
1 |
24 |
97 |
1276 |
9268 |
18798 |
|
Date: 2023-12-04:
| 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 |
1 |
803 |
64 |
118 |
70 |
26 |
1 |
0 |
| OW |
0 |
113 |
31 |
35 |
29 |
8 |
3 |
0 |
| VODI |
0 |
59 |
41 |
110 |
66 |
44 |
10 |
0 |
| ODI |
0 |
12 |
14 |
76 |
130 |
45 |
4 |
0 |
| CDI |
0 |
16 |
14 |
54 |
156 |
178 |
19 |
13 |
| VCDI |
0 |
0 |
2 |
22 |
142 |
866 |
8362 |
20325 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1 |
783 |
64 |
116 |
70 |
25 |
1 |
0 |
| OW |
0 |
120 |
28 |
33 |
30 |
10 |
5 |
0 |
| VODI |
0 |
66 |
40 |
94 |
56 |
46 |
7 |
0 |
| ODI |
0 |
17 |
16 |
90 |
127 |
46 |
5 |
0 |
| CDI |
0 |
14 |
12 |
61 |
174 |
193 |
17 |
8 |
| VCDI |
0 |
3 |
6 |
21 |
136 |
847 |
8364 |
20330 |
|
Date: 2023-12-06:
| 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 |
544 |
71 |
153 |
101 |
31 |
6 |
0 |
| OW |
0 |
57 |
26 |
70 |
40 |
32 |
1 |
0 |
| VODI |
0 |
25 |
14 |
79 |
98 |
33 |
8 |
0 |
| ODI |
0 |
15 |
14 |
46 |
96 |
78 |
28 |
0 |
| CDI |
0 |
6 |
6 |
45 |
140 |
205 |
39 |
0 |
| VCDI |
0 |
2 |
4 |
15 |
146 |
775 |
9779 |
19254 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
538 |
67 |
155 |
98 |
31 |
6 |
0 |
| OW |
0 |
64 |
25 |
54 |
40 |
30 |
3 |
0 |
| VODI |
0 |
20 |
19 |
85 |
88 |
40 |
6 |
0 |
| ODI |
0 |
14 |
11 |
47 |
101 |
74 |
31 |
0 |
| CDI |
0 |
11 |
9 |
52 |
132 |
209 |
42 |
0 |
| VCDI |
0 |
2 |
4 |
15 |
162 |
770 |
9773 |
19254 |
|
Date: 2023-12-08:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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