Validation of sea ice concentration - Asian sector
Bulletin date: 2024-12-05
Data source: OSI SAF N.H. multi-product 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 |
150 |
1566 |
71 |
48 |
0 |
0 |
0 |
0 |
| OW |
0 |
152 |
73 |
202 |
9 |
0 |
0 |
0 |
| VODI |
0 |
12 |
5 |
201 |
114 |
3 |
0 |
0 |
| ODI |
0 |
2 |
0 |
69 |
232 |
60 |
1 |
0 |
| CDI |
0 |
2 |
0 |
6 |
189 |
625 |
211 |
17 |
| VCDI |
0 |
16 |
0 |
0 |
100 |
1774 |
10274 |
16912 |
|
...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 |
171 |
1783 |
23 |
16 |
0 |
0 |
0 |
0 |
| OW |
0 |
277 |
61 |
114 |
0 |
0 |
0 |
0 |
| VODI |
0 |
29 |
52 |
204 |
41 |
3 |
0 |
0 |
| ODI |
0 |
1 |
12 |
106 |
143 |
18 |
1 |
0 |
| CDI |
0 |
2 |
0 |
83 |
314 |
180 |
30 |
19 |
| VCDI |
0 |
16 |
0 |
1 |
127 |
2742 |
10870 |
15657 |
|
...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 |
150 |
1783 |
66 |
25 |
0 |
0 |
0 |
0 |
| OW |
0 |
158 |
91 |
172 |
6 |
0 |
0 |
0 |
| VODI |
0 |
13 |
29 |
335 |
92 |
1 |
0 |
0 |
| ODI |
0 |
3 |
1 |
88 |
274 |
48 |
0 |
0 |
| CDI |
0 |
2 |
1 |
38 |
321 |
745 |
87 |
0 |
| VCDI |
0 |
16 |
0 |
0 |
57 |
1703 |
8813 |
17978 |
|
...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 |
148 |
1378 |
120 |
111 |
3 |
0 |
0 |
0 |
| OW |
2 |
74 |
67 |
212 |
46 |
0 |
0 |
0 |
| VODI |
0 |
9 |
16 |
270 |
173 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
60 |
307 |
65 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
236 |
777 |
164 |
10 |
| VCDI |
0 |
0 |
0 |
15 |
45 |
1193 |
7587 |
19999 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
149 |
1420 |
153 |
186 |
6 |
0 |
0 |
0 |
| OW |
1 |
34 |
42 |
211 |
55 |
0 |
0 |
0 |
| VODI |
0 |
7 |
8 |
207 |
213 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
51 |
327 |
73 |
1 |
0 |
| CDI |
0 |
0 |
0 |
4 |
184 |
869 |
270 |
18 |
| VCDI |
0 |
0 |
0 |
16 |
25 |
1093 |
7480 |
19991 |
|
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 |
142 |
1173 |
75 |
78 |
1 |
0 |
0 |
0 |
| OW |
6 |
129 |
32 |
192 |
31 |
0 |
0 |
0 |
| VODI |
2 |
34 |
15 |
191 |
181 |
0 |
0 |
0 |
| ODI |
0 |
0 |
2 |
74 |
355 |
46 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
253 |
664 |
275 |
30 |
| VCDI |
0 |
0 |
0 |
19 |
24 |
895 |
7099 |
21073 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
147 |
1243 |
91 |
175 |
10 |
0 |
0 |
0 |
| OW |
3 |
77 |
22 |
168 |
61 |
0 |
0 |
0 |
| VODI |
0 |
16 |
9 |
146 |
192 |
1 |
0 |
0 |
| ODI |
0 |
0 |
2 |
49 |
369 |
63 |
0 |
3 |
| CDI |
0 |
0 |
0 |
2 |
198 |
654 |
380 |
99 |
| VCDI |
0 |
0 |
0 |
19 |
15 |
887 |
6994 |
21001 |
|
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 |
135 |
1386 |
12 |
2 |
0 |
0 |
0 |
0 |
| OW |
11 |
288 |
134 |
41 |
0 |
0 |
0 |
0 |
| VODI |
4 |
20 |
34 |
305 |
12 |
0 |
0 |
0 |
| ODI |
0 |
2 |
0 |
159 |
211 |
3 |
0 |
0 |
| CDI |
0 |
0 |
0 |
17 |
264 |
425 |
21 |
5 |
| VCDI |
0 |
0 |
0 |
21 |
57 |
611 |
3975 |
24941 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
142 |
1473 |
35 |
17 |
1 |
0 |
0 |
0 |
| OW |
7 |
151 |
80 |
88 |
6 |
0 |
0 |
0 |
| VODI |
1 |
71 |
63 |
250 |
61 |
0 |
0 |
0 |
| ODI |
0 |
1 |
2 |
152 |
186 |
12 |
0 |
1 |
| CDI |
0 |
0 |
0 |
17 |
215 |
332 |
50 |
17 |
| VCDI |
0 |
0 |
0 |
21 |
75 |
695 |
3946 |
24928 |
|
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 |
123 |
1314 |
32 |
3 |
0 |
0 |
0 |
0 |
| OW |
20 |
201 |
94 |
156 |
0 |
0 |
0 |
0 |
| VODI |
7 |
38 |
23 |
175 |
135 |
5 |
0 |
0 |
| ODI |
0 |
13 |
0 |
54 |
111 |
80 |
0 |
0 |
| CDI |
0 |
2 |
1 |
31 |
87 |
331 |
33 |
7 |
| VCDI |
0 |
0 |
0 |
17 |
7 |
462 |
5019 |
24515 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
138 |
1394 |
67 |
64 |
1 |
0 |
0 |
0 |
| OW |
9 |
130 |
56 |
117 |
43 |
3 |
0 |
0 |
| VODI |
3 |
40 |
21 |
147 |
138 |
28 |
0 |
0 |
| ODI |
0 |
4 |
6 |
73 |
89 |
93 |
0 |
0 |
| CDI |
0 |
0 |
0 |
13 |
62 |
211 |
10 |
12 |
| VCDI |
0 |
0 |
0 |
22 |
7 |
543 |
5042 |
24510 |
|
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 |
124 |
952 |
91 |
51 |
0 |
0 |
0 |
0 |
| OW |
20 |
59 |
55 |
239 |
37 |
0 |
0 |
0 |
| VODI |
6 |
10 |
15 |
147 |
196 |
39 |
0 |
0 |
| ODI |
0 |
1 |
1 |
47 |
136 |
109 |
0 |
0 |
| CDI |
0 |
0 |
0 |
19 |
132 |
267 |
46 |
18 |
| VCDI |
0 |
0 |
0 |
5 |
42 |
417 |
5436 |
24379 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
134 |
941 |
109 |
189 |
14 |
0 |
0 |
0 |
| OW |
12 |
48 |
33 |
117 |
63 |
1 |
0 |
0 |
| VODI |
4 |
32 |
13 |
118 |
153 |
64 |
0 |
0 |
| ODI |
0 |
1 |
7 |
56 |
105 |
105 |
0 |
0 |
| CDI |
0 |
0 |
0 |
28 |
147 |
298 |
95 |
45 |
| VCDI |
0 |
0 |
0 |
0 |
61 |
364 |
5387 |
24352 |
|
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