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 |
423 |
73 |
0 |
0 |
0 |
| OW |
0 |
250 |
54 |
254 |
238 |
12 |
0 |
0 |
| VODI |
0 |
334 |
126 |
295 |
261 |
16 |
0 |
0 |
| ODI |
0 |
39 |
17 |
154 |
579 |
185 |
0 |
0 |
| CDI |
0 |
0 |
0 |
11 |
364 |
1522 |
228 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
5386 |
5823 |
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 |
7700 |
6867 |
245 |
305 |
18 |
0 |
0 |
0 |
| OW |
9 |
388 |
83 |
373 |
369 |
140 |
0 |
0 |
| VODI |
0 |
287 |
135 |
368 |
193 |
155 |
10 |
0 |
| ODI |
0 |
42 |
11 |
129 |
516 |
262 |
25 |
0 |
| CDI |
0 |
0 |
0 |
5 |
188 |
3159 |
524 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
2841 |
6186 |
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 |
5523 |
359 |
560 |
97 |
0 |
0 |
0 |
| OW |
11 |
405 |
142 |
431 |
468 |
212 |
0 |
0 |
| VODI |
11 |
177 |
113 |
719 |
232 |
361 |
49 |
0 |
| ODI |
2 |
55 |
6 |
143 |
468 |
389 |
82 |
0 |
| CDI |
0 |
0 |
0 |
3 |
114 |
2615 |
521 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
2701 |
6252 |
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 |
3621 |
387 |
544 |
175 |
2 |
0 |
0 |
| OW |
11 |
390 |
77 |
180 |
559 |
292 |
3 |
0 |
| VODI |
3 |
475 |
167 |
981 |
314 |
507 |
64 |
0 |
| ODI |
1 |
66 |
44 |
390 |
593 |
347 |
135 |
0 |
| CDI |
0 |
1 |
0 |
28 |
274 |
2267 |
431 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
2643 |
7401 |
1377 |
|
|
Date: 2025-10-24:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6985 |
2687 |
259 |
490 |
202 |
11 |
0 |
0 |
| OW |
12 |
174 |
60 |
117 |
463 |
147 |
0 |
0 |
| VODI |
5 |
186 |
121 |
375 |
264 |
533 |
63 |
0 |
| ODI |
0 |
14 |
31 |
731 |
1001 |
492 |
88 |
0 |
| CDI |
0 |
0 |
3 |
71 |
753 |
1227 |
348 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
52 |
3998 |
7814 |
2304 |
|
|
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