Validation of sea ice concentration - Asian sector
Reference date: 2025-10-09
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-10-03:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9138 |
7661 |
190 |
138 |
7 |
0 |
0 |
0 |
| OW |
0 |
174 |
85 |
196 |
47 |
0 |
0 |
0 |
| VODI |
0 |
92 |
81 |
291 |
225 |
33 |
0 |
0 |
| ODI |
0 |
0 |
5 |
123 |
368 |
304 |
35 |
0 |
| CDI |
0 |
0 |
2 |
17 |
128 |
830 |
267 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
16 |
1350 |
7180 |
3091 |
|
|
Date: 2025-10-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8292 |
8010 |
299 |
324 |
5 |
0 |
0 |
0 |
| OW |
0 |
193 |
62 |
199 |
99 |
17 |
0 |
0 |
| VODI |
0 |
126 |
78 |
299 |
263 |
47 |
0 |
0 |
| ODI |
0 |
5 |
13 |
110 |
393 |
253 |
18 |
0 |
| CDI |
0 |
0 |
0 |
6 |
134 |
801 |
298 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2175 |
9394 |
167 |
|
|
Date: 2025-10-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8355 |
7627 |
250 |
345 |
40 |
0 |
0 |
0 |
| OW |
0 |
203 |
79 |
174 |
120 |
17 |
0 |
0 |
| VODI |
0 |
92 |
97 |
258 |
267 |
46 |
0 |
0 |
| ODI |
0 |
3 |
14 |
87 |
464 |
218 |
10 |
0 |
| CDI |
0 |
0 |
0 |
2 |
274 |
1517 |
320 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
48 |
4451 |
6644 |
58 |
|
|
Date: 2025-10-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9402 |
6714 |
181 |
290 |
49 |
0 |
0 |
0 |
| OW |
5 |
172 |
55 |
162 |
101 |
14 |
0 |
0 |
| VODI |
1 |
109 |
84 |
194 |
154 |
73 |
0 |
0 |
| ODI |
0 |
11 |
15 |
135 |
418 |
183 |
17 |
0 |
| CDI |
0 |
0 |
0 |
8 |
432 |
2326 |
806 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
4234 |
5340 |
392 |
|
|
Date: 2025-10-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9140 |
7222 |
191 |
210 |
11 |
0 |
0 |
0 |
| OW |
6 |
205 |
78 |
176 |
46 |
11 |
0 |
0 |
| VODI |
2 |
173 |
82 |
260 |
157 |
26 |
5 |
0 |
| ODI |
0 |
23 |
30 |
205 |
462 |
216 |
39 |
0 |
| CDI |
0 |
0 |
0 |
6 |
449 |
3073 |
1081 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
3291 |
5070 |
132 |
|
|
Date: 2025-10-13:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8507 |
7696 |
192 |
207 |
7 |
0 |
0 |
0 |
| OW |
7 |
415 |
94 |
154 |
26 |
0 |
0 |
0 |
| VODI |
0 |
229 |
115 |
292 |
152 |
7 |
0 |
0 |
| ODI |
0 |
20 |
19 |
219 |
549 |
210 |
3 |
0 |
| CDI |
0 |
0 |
0 |
38 |
418 |
2342 |
616 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2377 |
7167 |
2 |
|
|
Date: 2025-10-15:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7944 |
7507 |
270 |
418 |
102 |
1 |
0 |
0 |
| OW |
0 |
238 |
51 |
161 |
99 |
2 |
0 |
0 |
| VODI |
0 |
259 |
139 |
366 |
265 |
9 |
0 |
0 |
| ODI |
0 |
37 |
10 |
163 |
514 |
210 |
8 |
0 |
| CDI |
0 |
0 |
0 |
11 |
379 |
1162 |
169 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
20 |
4623 |
6912 |
31 |
|
|
Date: 2025-10-17:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7712 |
7072 |
267 |
324 |
65 |
0 |
0 |
0 |
| OW |
1 |
323 |
71 |
337 |
376 |
38 |
1 |
0 |
| VODI |
0 |
294 |
127 |
333 |
227 |
75 |
5 |
0 |
| ODI |
0 |
43 |
19 |
127 |
548 |
237 |
9 |
0 |
| CDI |
0 |
0 |
1 |
7 |
303 |
2473 |
473 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
3634 |
6316 |
240 |
|
|
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