Validation of sea ice concentration - Asian sector
Reference date: 2025-05-29
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-05-23:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
623 |
38 |
59 |
0 |
0 |
0 |
0 |
| OW |
0 |
132 |
27 |
42 |
5 |
0 |
0 |
0 |
| VODI |
0 |
361 |
184 |
536 |
45 |
9 |
1 |
0 |
| ODI |
0 |
308 |
95 |
745 |
1546 |
345 |
35 |
0 |
| CDI |
0 |
0 |
0 |
39 |
769 |
4111 |
2076 |
247 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
1443 |
11119 |
7140 |
|
|
Date: 2025-05-25:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
605 |
35 |
54 |
0 |
0 |
0 |
0 |
| OW |
0 |
106 |
39 |
78 |
1 |
0 |
0 |
0 |
| VODI |
0 |
367 |
162 |
595 |
75 |
7 |
0 |
0 |
| ODI |
0 |
204 |
90 |
639 |
1859 |
450 |
33 |
0 |
| CDI |
0 |
0 |
0 |
19 |
803 |
5173 |
1608 |
112 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
1904 |
10501 |
6553 |
|
|
Date: 2025-05-27:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
738 |
49 |
87 |
0 |
0 |
0 |
0 |
| OW |
0 |
127 |
43 |
99 |
2 |
0 |
0 |
0 |
| VODI |
0 |
324 |
155 |
510 |
69 |
7 |
0 |
0 |
| ODI |
0 |
222 |
97 |
618 |
1966 |
424 |
28 |
0 |
| CDI |
0 |
0 |
0 |
43 |
760 |
4908 |
1722 |
18 |
| VCDI |
0 |
0 |
0 |
0 |
41 |
1251 |
9200 |
8574 |
|
|
Date: 2025-05-29:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1 |
967 |
80 |
140 |
0 |
0 |
0 |
0 |
| OW |
0 |
140 |
31 |
52 |
0 |
0 |
0 |
0 |
| VODI |
0 |
338 |
142 |
450 |
72 |
0 |
0 |
0 |
| ODI |
0 |
287 |
121 |
702 |
1942 |
297 |
37 |
0 |
| CDI |
0 |
0 |
0 |
61 |
1012 |
5361 |
1035 |
14 |
| VCDI |
0 |
0 |
0 |
0 |
98 |
1463 |
8666 |
8573 |
|
|
Date: 2025-05-31:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1 |
1147 |
82 |
130 |
8 |
0 |
0 |
0 |
| OW |
0 |
129 |
17 |
52 |
9 |
0 |
0 |
0 |
| VODI |
0 |
443 |
128 |
439 |
85 |
0 |
0 |
0 |
| ODI |
0 |
456 |
133 |
699 |
1768 |
386 |
117 |
0 |
| CDI |
0 |
0 |
1 |
75 |
885 |
4570 |
1836 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
706 |
7637 |
10140 |
|
|
Date: 2025-06-02:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1287 |
109 |
124 |
0 |
0 |
0 |
0 |
| OW |
0 |
116 |
31 |
70 |
8 |
0 |
0 |
0 |
| VODI |
0 |
449 |
162 |
444 |
109 |
4 |
2 |
0 |
| ODI |
0 |
447 |
124 |
739 |
1863 |
488 |
148 |
1 |
| CDI |
0 |
0 |
1 |
94 |
782 |
4526 |
1911 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
1130 |
7677 |
9206 |
|
|
Date: 2025-06-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1287 |
183 |
251 |
5 |
0 |
0 |
0 |
| OW |
0 |
88 |
30 |
138 |
13 |
0 |
0 |
0 |
| VODI |
0 |
382 |
133 |
573 |
179 |
10 |
7 |
0 |
| ODI |
0 |
381 |
135 |
715 |
1849 |
587 |
142 |
0 |
| CDI |
0 |
0 |
0 |
93 |
750 |
4449 |
2100 |
22 |
| VCDI |
0 |
0 |
0 |
0 |
86 |
1191 |
8224 |
8079 |
|
|
Date: 2025-06-06:
| Best estimate |
|
|
...observations not yet available
|
|
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