Validation of sea ice concentration - Full domain
Bulletin date: 2025-10-28
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-10-28:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59790 |
8876 |
31 |
165 |
21 |
4 |
0 |
0 |
| OW |
47 |
382 |
13 |
96 |
27 |
4 |
0 |
0 |
| VODI |
67 |
667 |
21 |
378 |
108 |
7 |
4 |
0 |
| ODI |
131 |
702 |
33 |
507 |
298 |
71 |
12 |
0 |
| CDI |
57 |
348 |
24 |
604 |
1006 |
568 |
450 |
82 |
| VCDI |
0 |
136 |
27 |
564 |
2439 |
11732 |
35641 |
8292 |
|
Date: 2025-10-30:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58314 |
10295 |
26 |
268 |
112 |
29 |
6 |
0 |
| OW |
9 |
346 |
10 |
65 |
27 |
29 |
8 |
0 |
| VODI |
14 |
526 |
24 |
199 |
89 |
56 |
19 |
0 |
| ODI |
4 |
531 |
39 |
361 |
244 |
139 |
28 |
0 |
| CDI |
0 |
351 |
19 |
434 |
476 |
625 |
647 |
146 |
| VCDI |
0 |
181 |
18 |
457 |
1354 |
10724 |
35213 |
11970 |
|
Date: 2025-11-01:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56102 |
12343 |
35 |
329 |
119 |
13 |
0 |
0 |
| OW |
2 |
283 |
7 |
65 |
24 |
10 |
0 |
0 |
| VODI |
4 |
480 |
17 |
168 |
45 |
18 |
15 |
0 |
| ODI |
0 |
612 |
32 |
229 |
105 |
49 |
52 |
0 |
| CDI |
0 |
491 |
27 |
453 |
371 |
449 |
546 |
176 |
| VCDI |
0 |
245 |
31 |
657 |
1395 |
6572 |
30062 |
21799 |
|
Date: 2025-11-03:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57305 |
10736 |
26 |
350 |
160 |
23 |
2 |
0 |
| OW |
8 |
248 |
5 |
77 |
43 |
4 |
0 |
0 |
| VODI |
12 |
388 |
12 |
131 |
123 |
15 |
5 |
0 |
| ODI |
2 |
410 |
19 |
187 |
177 |
58 |
45 |
0 |
| CDI |
0 |
512 |
28 |
403 |
482 |
260 |
487 |
39 |
| VCDI |
0 |
622 |
40 |
611 |
1651 |
7208 |
32144 |
19374 |
|
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