Validation of sea ice concentration - Full domain
Bulletin date: 2025-09-16
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-09-16:
Forecast |
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
74147 |
11242 |
2 |
31 |
2 |
1 |
0 |
0 |
OW |
229 |
902 |
15 |
64 |
24 |
0 |
0 |
0 |
VODI |
536 |
2596 |
64 |
423 |
189 |
42 |
8 |
0 |
ODI |
440 |
3181 |
154 |
1739 |
845 |
481 |
117 |
0 |
CDI |
17 |
361 |
63 |
2046 |
3759 |
3681 |
1376 |
0 |
VCDI |
0 |
7 |
0 |
84 |
1443 |
12363 |
11724 |
35 |
|
Date: 2025-09-18:
Forecast |
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
73669 |
14262 |
110 |
212 |
67 |
27 |
0 |
0 |
OW |
140 |
866 |
61 |
158 |
49 |
15 |
0 |
0 |
VODI |
277 |
1681 |
156 |
661 |
212 |
59 |
0 |
0 |
ODI |
196 |
1614 |
365 |
1468 |
763 |
326 |
57 |
0 |
CDI |
3 |
188 |
63 |
1726 |
3256 |
3173 |
1129 |
56 |
VCDI |
0 |
4 |
0 |
175 |
1368 |
11896 |
12864 |
1061 |
|
Date: 2025-09-20:
Forecast |
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
74618 |
14906 |
61 |
449 |
149 |
16 |
0 |
0 |
OW |
96 |
633 |
17 |
167 |
43 |
15 |
0 |
0 |
VODI |
164 |
1241 |
50 |
377 |
149 |
81 |
3 |
0 |
ODI |
138 |
1452 |
85 |
1164 |
582 |
294 |
41 |
6 |
CDI |
0 |
271 |
39 |
922 |
1887 |
2941 |
1034 |
129 |
VCDI |
0 |
46 |
8 |
231 |
1256 |
12604 |
13919 |
2149 |
|
Date: 2025-09-22:
Forecast |
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
74478 |
15424 |
176 |
540 |
239 |
91 |
7 |
0 |
OW |
40 |
445 |
36 |
161 |
102 |
32 |
1 |
0 |
VODI |
84 |
748 |
60 |
318 |
241 |
110 |
6 |
0 |
ODI |
82 |
1143 |
125 |
701 |
676 |
310 |
61 |
5 |
CDI |
1 |
305 |
86 |
739 |
1340 |
1857 |
1342 |
96 |
VCDI |
0 |
80 |
22 |
339 |
1319 |
8332 |
19534 |
2599 |
|
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