Validation of sea ice concentration - Asian sector
Bulletin date: 2023-11-16
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-11-10:
| 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 |
1162 |
1486 |
48 |
26 |
0 |
0 |
0 |
0 |
| OW |
0 |
129 |
95 |
153 |
38 |
0 |
0 |
0 |
| VODI |
0 |
66 |
34 |
214 |
130 |
25 |
0 |
0 |
| ODI |
0 |
11 |
4 |
96 |
83 |
77 |
0 |
0 |
| CDI |
0 |
2 |
0 |
22 |
183 |
271 |
63 |
1 |
| VCDI |
0 |
0 |
0 |
17 |
167 |
1406 |
12315 |
14772 |
|
...date precedes bulletin
|
Date: 2023-11-12:
| 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 |
898 |
1577 |
12 |
4 |
0 |
0 |
0 |
0 |
| OW |
2 |
104 |
88 |
136 |
16 |
0 |
0 |
0 |
| VODI |
0 |
75 |
31 |
239 |
149 |
3 |
0 |
0 |
| ODI |
0 |
13 |
6 |
106 |
128 |
90 |
0 |
0 |
| CDI |
0 |
3 |
1 |
30 |
150 |
240 |
38 |
26 |
| VCDI |
0 |
1 |
1 |
21 |
115 |
1480 |
12631 |
14682 |
|
...date precedes bulletin
|
Date: 2023-11-14:
| 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 |
295 |
2105 |
30 |
16 |
0 |
0 |
0 |
0 |
| OW |
0 |
164 |
103 |
84 |
0 |
0 |
0 |
0 |
| VODI |
0 |
35 |
49 |
297 |
41 |
0 |
0 |
0 |
| ODI |
0 |
3 |
6 |
156 |
156 |
16 |
0 |
0 |
| CDI |
0 |
0 |
0 |
16 |
143 |
240 |
23 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
56 |
1416 |
11797 |
15849 |
|
...date precedes bulletin
|
Date: 2023-11-16:
| 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 |
155 |
2050 |
35 |
26 |
0 |
0 |
0 |
0 |
| OW |
0 |
59 |
72 |
103 |
6 |
0 |
0 |
0 |
| VODI |
0 |
10 |
11 |
178 |
107 |
1 |
0 |
0 |
| ODI |
0 |
1 |
3 |
43 |
278 |
30 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
135 |
385 |
28 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
16 |
1179 |
10330 |
17849 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
155 |
2036 |
38 |
25 |
0 |
0 |
0 |
0 |
| OW |
0 |
75 |
69 |
103 |
0 |
0 |
0 |
0 |
| VODI |
0 |
9 |
10 |
173 |
96 |
1 |
0 |
0 |
| ODI |
0 |
0 |
4 |
49 |
284 |
46 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
144 |
377 |
35 |
7 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
1171 |
10323 |
17848 |
|
Date: 2023-11-18:
| 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 |
151 |
1706 |
54 |
40 |
0 |
0 |
0 |
0 |
| OW |
0 |
137 |
92 |
100 |
0 |
0 |
0 |
0 |
| VODI |
0 |
26 |
13 |
179 |
53 |
0 |
0 |
0 |
| ODI |
0 |
4 |
0 |
25 |
168 |
20 |
0 |
0 |
| CDI |
0 |
3 |
0 |
10 |
147 |
296 |
12 |
6 |
| VCDI |
0 |
1 |
0 |
0 |
43 |
838 |
10530 |
18442 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
151 |
1726 |
64 |
43 |
0 |
0 |
0 |
0 |
| OW |
0 |
112 |
78 |
101 |
0 |
0 |
0 |
0 |
| VODI |
0 |
33 |
17 |
172 |
42 |
0 |
0 |
0 |
| ODI |
0 |
3 |
0 |
27 |
155 |
16 |
0 |
1 |
| CDI |
0 |
3 |
0 |
10 |
166 |
305 |
29 |
5 |
| VCDI |
0 |
0 |
0 |
1 |
48 |
833 |
10513 |
18442 |
|
Date: 2023-11-20:
| 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 |
150 |
1259 |
123 |
175 |
1 |
0 |
0 |
0 |
| OW |
0 |
47 |
63 |
148 |
25 |
0 |
0 |
0 |
| VODI |
0 |
1 |
1 |
305 |
43 |
0 |
0 |
0 |
| ODI |
0 |
1 |
0 |
37 |
245 |
12 |
0 |
0 |
| CDI |
0 |
5 |
0 |
1 |
91 |
357 |
2 |
2 |
| VCDI |
0 |
9 |
0 |
0 |
13 |
445 |
6197 |
23338 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
1255 |
131 |
215 |
4 |
0 |
0 |
0 |
| OW |
0 |
52 |
50 |
177 |
22 |
0 |
0 |
0 |
| VODI |
0 |
1 |
6 |
220 |
62 |
0 |
0 |
0 |
| ODI |
0 |
2 |
0 |
43 |
143 |
20 |
0 |
0 |
| CDI |
0 |
7 |
0 |
10 |
138 |
342 |
19 |
2 |
| VCDI |
0 |
5 |
0 |
1 |
49 |
452 |
6180 |
23338 |
|
Date: 2023-11-22:
| 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 |
150 |
1278 |
46 |
121 |
15 |
0 |
0 |
0 |
| OW |
0 |
150 |
48 |
78 |
32 |
0 |
0 |
0 |
| VODI |
0 |
44 |
80 |
184 |
68 |
0 |
0 |
0 |
| ODI |
0 |
4 |
18 |
158 |
136 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
77 |
251 |
146 |
45 |
0 |
| VCDI |
0 |
0 |
0 |
39 |
164 |
466 |
6206 |
23092 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
1282 |
64 |
155 |
21 |
0 |
0 |
0 |
| OW |
0 |
121 |
55 |
89 |
44 |
0 |
0 |
0 |
| VODI |
0 |
69 |
47 |
178 |
45 |
0 |
0 |
0 |
| ODI |
0 |
4 |
20 |
116 |
77 |
11 |
0 |
0 |
| CDI |
0 |
0 |
6 |
57 |
302 |
110 |
21 |
2 |
| VCDI |
0 |
0 |
0 |
62 |
177 |
491 |
6230 |
23090 |
|
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 |
151 |
1289 |
116 |
52 |
0 |
0 |
0 |
0 |
| OW |
0 |
188 |
67 |
115 |
0 |
0 |
0 |
0 |
| VODI |
0 |
159 |
44 |
177 |
3 |
0 |
0 |
0 |
| ODI |
0 |
51 |
44 |
119 |
20 |
4 |
0 |
0 |
| CDI |
0 |
9 |
22 |
150 |
188 |
107 |
15 |
0 |
| VCDI |
0 |
2 |
17 |
140 |
271 |
631 |
5912 |
23033 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
151 |
1214 |
122 |
83 |
0 |
0 |
0 |
0 |
| OW |
0 |
169 |
45 |
109 |
0 |
0 |
0 |
0 |
| VODI |
0 |
182 |
37 |
157 |
5 |
0 |
0 |
0 |
| ODI |
0 |
80 |
48 |
125 |
37 |
0 |
0 |
0 |
| CDI |
0 |
36 |
26 |
125 |
195 |
122 |
28 |
7 |
| VCDI |
0 |
17 |
32 |
154 |
245 |
620 |
5899 |
23026 |
|
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