Validation of sea ice concentration - Full domain
Bulletin date: 2025-05-13
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-05-13:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19859 |
12188 |
39 |
205 |
6 |
3 |
5 |
2 |
| OW |
50 |
529 |
34 |
211 |
31 |
17 |
29 |
11 |
| VODI |
65 |
939 |
62 |
1024 |
761 |
305 |
139 |
48 |
| ODI |
8 |
616 |
77 |
1771 |
1985 |
1319 |
702 |
275 |
| CDI |
0 |
340 |
54 |
1235 |
3107 |
3752 |
3319 |
1503 |
| VCDI |
0 |
76 |
11 |
701 |
3840 |
9546 |
30770 |
32976 |
|
Date: 2025-05-15:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19448 |
14304 |
269 |
661 |
151 |
8 |
45 |
5 |
| OW |
2 |
239 |
79 |
349 |
164 |
26 |
55 |
7 |
| VODI |
2 |
351 |
131 |
1079 |
809 |
281 |
210 |
55 |
| ODI |
1 |
300 |
107 |
1479 |
1708 |
1161 |
866 |
342 |
| CDI |
1 |
235 |
92 |
1097 |
2714 |
3455 |
4565 |
1512 |
| VCDI |
0 |
62 |
59 |
777 |
3297 |
8328 |
35846 |
27811 |
|
Date: 2025-05-17:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19682 |
14745 |
133 |
1186 |
254 |
32 |
72 |
9 |
| OW |
0 |
195 |
19 |
396 |
191 |
56 |
67 |
4 |
| VODI |
0 |
356 |
59 |
1079 |
794 |
401 |
218 |
93 |
| ODI |
0 |
322 |
64 |
1403 |
1709 |
1308 |
860 |
364 |
| CDI |
0 |
282 |
41 |
1090 |
2647 |
3386 |
4141 |
2315 |
| VCDI |
0 |
205 |
32 |
1073 |
3414 |
7425 |
31000 |
31423 |
|
Date: 2025-05-19:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20223 |
14481 |
150 |
1601 |
380 |
62 |
43 |
30 |
| OW |
0 |
238 |
24 |
359 |
265 |
118 |
41 |
33 |
| VODI |
0 |
401 |
40 |
1022 |
833 |
463 |
234 |
81 |
| ODI |
0 |
367 |
39 |
1199 |
1661 |
1365 |
1005 |
377 |
| CDI |
0 |
298 |
42 |
1172 |
2414 |
3834 |
4831 |
2378 |
| VCDI |
0 |
239 |
59 |
1094 |
3066 |
8242 |
31328 |
28413 |
|
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