Validation of sea ice concentration - Full domain
Bulletin date: 2025-05-20
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-05-20:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20057 |
12930 |
44 |
385 |
14 |
0 |
2 |
0 |
| OW |
3 |
507 |
27 |
284 |
67 |
6 |
4 |
1 |
| VODI |
0 |
1235 |
92 |
1449 |
914 |
349 |
172 |
42 |
| ODI |
0 |
1056 |
142 |
2525 |
2320 |
1586 |
895 |
400 |
| CDI |
0 |
416 |
64 |
1360 |
2865 |
4440 |
4991 |
3322 |
| VCDI |
0 |
31 |
3 |
415 |
2480 |
9121 |
26913 |
30611 |
|
Date: 2025-05-22:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20125 |
14292 |
102 |
1368 |
192 |
16 |
2 |
0 |
| OW |
0 |
376 |
49 |
501 |
202 |
40 |
15 |
0 |
| VODI |
0 |
621 |
84 |
1482 |
978 |
363 |
172 |
62 |
| ODI |
0 |
614 |
78 |
1794 |
2261 |
1703 |
1078 |
409 |
| CDI |
0 |
314 |
38 |
1055 |
2735 |
4541 |
5326 |
3398 |
| VCDI |
0 |
60 |
8 |
609 |
2673 |
8956 |
25648 |
30200 |
|
Date: 2025-05-24:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20910 |
14568 |
199 |
1777 |
451 |
54 |
4 |
0 |
| OW |
0 |
309 |
41 |
468 |
273 |
69 |
32 |
0 |
| VODI |
0 |
577 |
80 |
1069 |
1057 |
488 |
268 |
30 |
| ODI |
0 |
515 |
86 |
1337 |
2247 |
1796 |
1044 |
408 |
| CDI |
0 |
302 |
35 |
1004 |
2921 |
4795 |
5378 |
3989 |
| VCDI |
0 |
95 |
9 |
791 |
2820 |
9790 |
23600 |
28854 |
|
Date: 2025-05-26:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22966 |
13585 |
145 |
1950 |
763 |
103 |
34 |
5 |
| OW |
0 |
299 |
24 |
337 |
284 |
121 |
28 |
15 |
| VODI |
0 |
545 |
44 |
743 |
939 |
573 |
289 |
64 |
| ODI |
0 |
493 |
53 |
1099 |
2073 |
1879 |
1473 |
487 |
| CDI |
0 |
295 |
31 |
1049 |
2674 |
4807 |
6937 |
4370 |
| VCDI |
0 |
123 |
12 |
798 |
2717 |
10115 |
27741 |
21458 |
|
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