Validation of sea ice concentration - Asian sector
Reference date: 2025-08-14
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6630 |
8491 |
373 |
425 |
46 |
0 |
0 |
0 |
| OW |
0 |
503 |
163 |
388 |
104 |
0 |
0 |
0 |
| VODI |
0 |
47 |
80 |
803 |
804 |
42 |
0 |
0 |
| ODI |
0 |
1 |
9 |
224 |
3668 |
4381 |
66 |
0 |
| CDI |
0 |
0 |
0 |
1 |
496 |
3740 |
495 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
63 |
36 |
0 |
|
|
Date: 2025-08-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6746 |
8658 |
334 |
298 |
12 |
0 |
0 |
0 |
| OW |
0 |
579 |
189 |
346 |
63 |
0 |
0 |
0 |
| VODI |
0 |
32 |
115 |
1002 |
718 |
29 |
0 |
0 |
| ODI |
0 |
0 |
2 |
336 |
4823 |
4686 |
520 |
0 |
| CDI |
0 |
0 |
0 |
0 |
373 |
1811 |
390 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
16 |
1 |
0 |
|
|
Date: 2025-08-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7257 |
8272 |
355 |
244 |
7 |
0 |
0 |
0 |
| OW |
0 |
569 |
174 |
361 |
80 |
1 |
0 |
0 |
| VODI |
0 |
32 |
99 |
937 |
673 |
33 |
0 |
0 |
| ODI |
0 |
0 |
1 |
314 |
5196 |
5197 |
123 |
0 |
| CDI |
0 |
0 |
0 |
0 |
294 |
1668 |
185 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
8 |
0 |
0 |
|
|
Date: 2025-08-14:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8161 |
7425 |
306 |
232 |
7 |
0 |
0 |
0 |
| OW |
0 |
619 |
143 |
404 |
66 |
0 |
0 |
0 |
| VODI |
0 |
48 |
124 |
953 |
570 |
39 |
0 |
0 |
| ODI |
0 |
0 |
2 |
329 |
4910 |
5948 |
50 |
0 |
| CDI |
0 |
0 |
0 |
0 |
134 |
1521 |
82 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
7 |
0 |
0 |
|
|
Date: 2025-08-16:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8256 |
7475 |
268 |
222 |
5 |
0 |
0 |
0 |
| OW |
0 |
695 |
199 |
430 |
73 |
0 |
0 |
0 |
| VODI |
0 |
43 |
107 |
1015 |
707 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
277 |
5761 |
5055 |
93 |
0 |
| CDI |
0 |
0 |
0 |
0 |
128 |
1199 |
43 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
16 |
5 |
0 |
|
|
Date: 2025-08-18:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9210 |
6814 |
287 |
248 |
18 |
0 |
0 |
0 |
| OW |
8 |
691 |
172 |
394 |
100 |
0 |
0 |
0 |
| VODI |
0 |
42 |
107 |
958 |
949 |
13 |
0 |
0 |
| ODI |
0 |
0 |
1 |
234 |
6795 |
2625 |
18 |
0 |
| CDI |
0 |
0 |
0 |
2 |
365 |
1914 |
13 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
94 |
0 |
0 |
|
|
Date: 2025-08-20:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10657 |
5711 |
295 |
322 |
21 |
6 |
0 |
0 |
| OW |
3 |
619 |
171 |
449 |
97 |
6 |
0 |
0 |
| VODI |
0 |
16 |
39 |
912 |
906 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
179 |
5378 |
2144 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1036 |
2771 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
44 |
290 |
0 |
0 |
|
|
Date: 2025-08-22:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10832 |
5659 |
303 |
302 |
30 |
5 |
0 |
0 |
| OW |
0 |
634 |
152 |
465 |
83 |
16 |
0 |
0 |
| VODI |
0 |
27 |
68 |
849 |
865 |
47 |
0 |
0 |
| ODI |
0 |
0 |
0 |
232 |
5161 |
2823 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
852 |
2436 |
72 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
153 |
0 |
0 |
|
|
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