Validation of sea ice concentration - Asian sector
Reference date: 2025-10-16
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-10-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9328 |
6880 |
163 |
253 |
43 |
0 |
0 |
0 |
| OW |
10 |
192 |
46 |
159 |
101 |
7 |
0 |
0 |
| VODI |
9 |
154 |
81 |
188 |
192 |
24 |
4 |
0 |
| ODI |
0 |
31 |
22 |
174 |
428 |
176 |
24 |
0 |
| CDI |
0 |
0 |
0 |
3 |
384 |
2470 |
1189 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
3097 |
5833 |
414 |
|
|
Date: 2025-10-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9269 |
7203 |
156 |
226 |
11 |
0 |
0 |
0 |
| OW |
4 |
237 |
91 |
175 |
42 |
2 |
0 |
0 |
| VODI |
1 |
177 |
87 |
263 |
137 |
27 |
5 |
0 |
| ODI |
0 |
18 |
34 |
231 |
560 |
205 |
34 |
0 |
| CDI |
0 |
0 |
0 |
10 |
468 |
2619 |
920 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1953 |
6809 |
107 |
|
|
Date: 2025-10-14:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7998 |
7645 |
255 |
374 |
56 |
0 |
0 |
0 |
| OW |
0 |
261 |
53 |
171 |
76 |
0 |
0 |
0 |
| VODI |
0 |
310 |
105 |
305 |
248 |
10 |
0 |
0 |
| ODI |
0 |
30 |
15 |
165 |
518 |
201 |
20 |
0 |
| CDI |
0 |
0 |
0 |
7 |
332 |
1577 |
233 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3672 |
7376 |
68 |
|
|
Date: 2025-10-16:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7858 |
7262 |
275 |
412 |
72 |
0 |
0 |
0 |
| OW |
0 |
251 |
56 |
266 |
238 |
12 |
0 |
0 |
| VODI |
0 |
335 |
124 |
295 |
262 |
16 |
0 |
0 |
| ODI |
0 |
37 |
17 |
153 |
579 |
185 |
0 |
0 |
| CDI |
0 |
0 |
0 |
11 |
364 |
1528 |
229 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
5380 |
5822 |
32 |
|
|
Date: 2025-10-18:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7701 |
6867 |
251 |
309 |
24 |
0 |
0 |
0 |
| OW |
8 |
387 |
77 |
370 |
362 |
136 |
0 |
0 |
| VODI |
0 |
289 |
135 |
365 |
194 |
159 |
10 |
0 |
| ODI |
0 |
41 |
11 |
131 |
521 |
266 |
25 |
0 |
| CDI |
0 |
0 |
0 |
5 |
183 |
3167 |
521 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
2829 |
6189 |
541 |
|
|
Date: 2025-10-20:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7476 |
5530 |
360 |
632 |
196 |
5 |
0 |
0 |
| OW |
11 |
393 |
141 |
359 |
373 |
220 |
0 |
0 |
| VODI |
11 |
182 |
113 |
713 |
227 |
348 |
49 |
0 |
| ODI |
2 |
55 |
6 |
150 |
463 |
396 |
80 |
0 |
| CDI |
0 |
0 |
0 |
2 |
120 |
2565 |
510 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
2744 |
6265 |
1383 |
|
|
Date: 2025-10-22:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7329 |
3620 |
384 |
572 |
489 |
153 |
2 |
0 |
| OW |
11 |
386 |
80 |
155 |
280 |
290 |
9 |
0 |
| VODI |
3 |
473 |
165 |
919 |
280 |
389 |
65 |
0 |
| ODI |
1 |
71 |
45 |
442 |
573 |
322 |
134 |
0 |
| CDI |
0 |
3 |
1 |
35 |
294 |
1843 |
430 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
3061 |
7394 |
1377 |
|
|
Date: 2025-10-24:
| Best estimate |
|
|
...observations not yet available
|
|
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