Validation of sea ice concentration - Asian sector
Bulletin date: 2024-12-12
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-12-06:
| 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 |
144 |
1235 |
100 |
101 |
1 |
0 |
0 |
0 |
| OW |
5 |
85 |
68 |
201 |
33 |
0 |
0 |
0 |
| VODI |
1 |
16 |
17 |
206 |
211 |
3 |
0 |
0 |
| ODI |
0 |
0 |
1 |
55 |
301 |
107 |
1 |
0 |
| CDI |
0 |
0 |
0 |
7 |
173 |
740 |
274 |
14 |
| VCDI |
0 |
0 |
0 |
17 |
36 |
1033 |
8244 |
19666 |
|
...date precedes bulletin
|
Date: 2024-12-08:
| 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 |
139 |
1244 |
47 |
19 |
0 |
0 |
0 |
0 |
| OW |
9 |
177 |
101 |
107 |
1 |
0 |
0 |
0 |
| VODI |
2 |
48 |
43 |
283 |
69 |
0 |
0 |
0 |
| ODI |
0 |
5 |
6 |
151 |
254 |
12 |
0 |
0 |
| CDI |
0 |
0 |
0 |
20 |
360 |
442 |
87 |
3 |
| VCDI |
0 |
0 |
0 |
19 |
55 |
627 |
5165 |
23601 |
|
...date precedes bulletin
|
Date: 2024-12-10:
| 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 |
126 |
1384 |
5 |
1 |
0 |
0 |
0 |
0 |
| OW |
18 |
258 |
110 |
88 |
0 |
0 |
0 |
0 |
| VODI |
6 |
51 |
33 |
251 |
43 |
0 |
0 |
0 |
| ODI |
0 |
13 |
2 |
58 |
211 |
41 |
0 |
0 |
| CDI |
0 |
1 |
0 |
13 |
95 |
462 |
43 |
6 |
| VCDI |
0 |
0 |
0 |
21 |
18 |
453 |
4200 |
25085 |
|
...date precedes bulletin
|
Date: 2024-12-12:
| 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 |
120 |
1191 |
43 |
5 |
0 |
0 |
0 |
0 |
| OW |
19 |
134 |
83 |
179 |
16 |
0 |
0 |
0 |
| VODI |
11 |
17 |
23 |
160 |
175 |
18 |
0 |
0 |
| ODI |
0 |
7 |
1 |
50 |
122 |
95 |
0 |
0 |
| CDI |
0 |
5 |
0 |
10 |
133 |
284 |
16 |
2 |
| VCDI |
0 |
0 |
0 |
6 |
34 |
616 |
6382 |
23139 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
133 |
1287 |
95 |
53 |
0 |
0 |
0 |
0 |
| OW |
15 |
58 |
49 |
210 |
62 |
0 |
0 |
0 |
| VODI |
2 |
9 |
6 |
121 |
187 |
66 |
0 |
0 |
| ODI |
0 |
0 |
0 |
24 |
122 |
108 |
2 |
0 |
| CDI |
0 |
0 |
0 |
2 |
82 |
313 |
42 |
7 |
| VCDI |
0 |
0 |
0 |
0 |
27 |
526 |
6354 |
23134 |
|
Date: 2024-12-14:
| 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 |
140 |
850 |
57 |
97 |
3 |
0 |
0 |
0 |
| OW |
9 |
46 |
40 |
181 |
100 |
0 |
0 |
0 |
| VODI |
1 |
13 |
6 |
114 |
188 |
89 |
0 |
0 |
| ODI |
0 |
2 |
3 |
33 |
129 |
154 |
8 |
0 |
| CDI |
0 |
0 |
0 |
8 |
118 |
199 |
174 |
8 |
| VCDI |
0 |
0 |
0 |
1 |
20 |
257 |
4626 |
25422 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
147 |
885 |
85 |
202 |
36 |
0 |
0 |
0 |
| OW |
3 |
17 |
14 |
142 |
137 |
3 |
0 |
0 |
| VODI |
0 |
9 |
6 |
68 |
192 |
151 |
0 |
0 |
| ODI |
0 |
0 |
1 |
17 |
118 |
145 |
21 |
0 |
| CDI |
0 |
0 |
0 |
5 |
70 |
197 |
165 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
203 |
4622 |
25421 |
|
Date: 2024-12-16:
| 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 |
146 |
762 |
50 |
51 |
0 |
0 |
0 |
0 |
| OW |
4 |
55 |
35 |
94 |
3 |
0 |
0 |
0 |
| VODI |
0 |
2 |
11 |
189 |
77 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
39 |
191 |
18 |
0 |
0 |
| CDI |
0 |
0 |
0 |
14 |
161 |
347 |
24 |
1 |
| VCDI |
0 |
0 |
0 |
4 |
77 |
422 |
5882 |
24437 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
780 |
67 |
139 |
11 |
3 |
0 |
0 |
| OW |
0 |
25 |
16 |
133 |
108 |
31 |
0 |
0 |
| VODI |
0 |
14 |
10 |
87 |
189 |
105 |
22 |
0 |
| ODI |
0 |
0 |
3 |
26 |
119 |
155 |
100 |
0 |
| CDI |
0 |
0 |
0 |
6 |
72 |
202 |
186 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
291 |
5598 |
24436 |
|
Date: 2024-12-18:
| 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 |
136 |
759 |
42 |
14 |
0 |
0 |
0 |
0 |
| OW |
11 |
78 |
65 |
48 |
0 |
0 |
0 |
0 |
| VODI |
3 |
15 |
23 |
151 |
16 |
0 |
0 |
0 |
| ODI |
0 |
0 |
6 |
118 |
92 |
5 |
1 |
0 |
| CDI |
0 |
0 |
0 |
39 |
243 |
331 |
217 |
14 |
| VCDI |
0 |
0 |
0 |
26 |
75 |
547 |
8603 |
21418 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
134 |
737 |
68 |
49 |
0 |
0 |
0 |
0 |
| OW |
14 |
80 |
36 |
136 |
32 |
4 |
0 |
0 |
| VODI |
2 |
33 |
22 |
126 |
165 |
71 |
2 |
0 |
| ODI |
0 |
2 |
10 |
49 |
117 |
117 |
144 |
0 |
| CDI |
0 |
0 |
0 |
29 |
95 |
199 |
259 |
44 |
| VCDI |
0 |
0 |
0 |
7 |
17 |
492 |
8416 |
21388 |
|
Date: 2024-12-20:
| 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 |
138 |
646 |
53 |
14 |
0 |
0 |
0 |
0 |
| OW |
10 |
116 |
46 |
75 |
0 |
0 |
0 |
0 |
| VODI |
2 |
29 |
34 |
142 |
19 |
0 |
0 |
0 |
| ODI |
0 |
2 |
8 |
170 |
90 |
17 |
2 |
0 |
| CDI |
0 |
0 |
0 |
70 |
346 |
332 |
240 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
71 |
577 |
7972 |
21859 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
137 |
565 |
32 |
35 |
0 |
0 |
0 |
0 |
| OW |
11 |
174 |
50 |
64 |
6 |
0 |
0 |
0 |
| VODI |
2 |
49 |
50 |
196 |
93 |
24 |
0 |
0 |
| ODI |
0 |
5 |
9 |
121 |
186 |
125 |
56 |
0 |
| CDI |
0 |
0 |
0 |
58 |
176 |
183 |
172 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
65 |
594 |
7986 |
21859 |
|
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