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 |
965 |
80 |
140 |
0 |
0 |
0 |
0 |
| OW |
0 |
142 |
31 |
52 |
0 |
0 |
0 |
0 |
| VODI |
0 |
338 |
142 |
450 |
72 |
0 |
0 |
0 |
| ODI |
0 |
287 |
121 |
701 |
1941 |
296 |
37 |
0 |
| CDI |
0 |
0 |
0 |
62 |
1013 |
5368 |
1046 |
14 |
| VCDI |
0 |
0 |
0 |
0 |
98 |
1457 |
8655 |
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 |
1146 |
82 |
130 |
7 |
0 |
0 |
0 |
| OW |
0 |
129 |
17 |
54 |
10 |
0 |
0 |
0 |
| VODI |
0 |
443 |
131 |
431 |
82 |
0 |
0 |
0 |
| ODI |
0 |
457 |
130 |
703 |
1767 |
386 |
118 |
0 |
| CDI |
0 |
0 |
1 |
77 |
889 |
4567 |
1833 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
709 |
7639 |
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 |
1285 |
109 |
122 |
0 |
0 |
0 |
0 |
| OW |
0 |
123 |
31 |
66 |
9 |
0 |
0 |
0 |
| VODI |
0 |
443 |
163 |
456 |
106 |
4 |
1 |
0 |
| ODI |
0 |
448 |
123 |
732 |
1856 |
491 |
152 |
1 |
| CDI |
0 |
0 |
1 |
95 |
790 |
4526 |
1907 |
8 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
1127 |
7678 |
9207 |
|
|
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 |
1357 |
151 |
216 |
3 |
0 |
0 |
0 |
| OW |
0 |
95 |
26 |
140 |
13 |
0 |
0 |
0 |
| VODI |
0 |
414 |
126 |
579 |
175 |
6 |
5 |
0 |
| ODI |
0 |
376 |
125 |
695 |
1875 |
538 |
119 |
0 |
| CDI |
0 |
0 |
0 |
89 |
732 |
4571 |
2039 |
22 |
| VCDI |
0 |
0 |
0 |
0 |
84 |
1122 |
8310 |
8079 |
|
|
Date: 2025-06-06:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5 |
1757 |
98 |
189 |
1 |
0 |
0 |
0 |
| OW |
0 |
98 |
39 |
92 |
1 |
0 |
0 |
0 |
| VODI |
0 |
494 |
157 |
563 |
147 |
5 |
0 |
0 |
| ODI |
0 |
294 |
96 |
701 |
2005 |
457 |
54 |
0 |
| CDI |
0 |
3 |
4 |
80 |
946 |
4040 |
2139 |
22 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
742 |
6526 |
10306 |
|
|
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