Validation of sea ice concentration - Asian sector
Reference date: 2025-04-03
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-03-28:
| 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 |
386 |
2 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
103 |
5 |
13 |
0 |
0 |
0 |
0 |
| VODI |
0 |
143 |
16 |
28 |
13 |
2 |
0 |
0 |
| ODI |
0 |
116 |
49 |
105 |
53 |
16 |
0 |
0 |
| CDI |
0 |
10 |
14 |
102 |
301 |
397 |
38 |
0 |
| VCDI |
0 |
0 |
0 |
23 |
69 |
837 |
7325 |
21909 |
|
|
Date: 2025-03-30:
| 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 |
393 |
3 |
12 |
0 |
0 |
0 |
0 |
| OW |
0 |
119 |
10 |
7 |
0 |
0 |
0 |
0 |
| VODI |
0 |
120 |
23 |
51 |
17 |
1 |
0 |
0 |
| ODI |
0 |
73 |
53 |
167 |
100 |
12 |
0 |
0 |
| CDI |
0 |
0 |
1 |
75 |
308 |
752 |
116 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
35 |
1337 |
7718 |
20578 |
|
|
Date: 2025-04-01:
| 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 |
327 |
14 |
12 |
0 |
0 |
0 |
0 |
| OW |
0 |
79 |
3 |
30 |
2 |
0 |
0 |
0 |
| VODI |
0 |
145 |
29 |
61 |
39 |
5 |
0 |
0 |
| ODI |
0 |
16 |
28 |
146 |
201 |
56 |
16 |
0 |
| CDI |
0 |
0 |
0 |
15 |
180 |
481 |
461 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
933 |
7189 |
21609 |
|
|
Date: 2025-04-03:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
290 |
17 |
14 |
1 |
0 |
0 |
0 |
| OW |
0 |
104 |
4 |
21 |
4 |
0 |
0 |
0 |
| VODI |
0 |
147 |
22 |
48 |
44 |
38 |
0 |
0 |
| ODI |
0 |
15 |
19 |
115 |
160 |
91 |
9 |
0 |
| CDI |
0 |
0 |
0 |
7 |
172 |
464 |
247 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
201 |
6862 |
22966 |
|
|
Date: 2025-04-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
254 |
31 |
9 |
0 |
0 |
0 |
0 |
| OW |
0 |
92 |
11 |
13 |
2 |
0 |
0 |
0 |
| VODI |
0 |
115 |
43 |
38 |
16 |
1 |
0 |
0 |
| ODI |
0 |
29 |
25 |
140 |
115 |
59 |
2 |
0 |
| CDI |
0 |
1 |
4 |
48 |
161 |
531 |
249 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
264 |
5421 |
24390 |
|
|
Date: 2025-04-07:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
217 |
13 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
91 |
12 |
8 |
0 |
0 |
0 |
0 |
| VODI |
0 |
70 |
32 |
63 |
8 |
1 |
0 |
0 |
| ODI |
0 |
6 |
18 |
136 |
121 |
24 |
4 |
0 |
| CDI |
0 |
0 |
0 |
14 |
129 |
507 |
212 |
13 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
161 |
4968 |
25241 |
|
|
Date: 2025-04-09:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
176 |
33 |
16 |
0 |
0 |
0 |
0 |
| OW |
0 |
64 |
12 |
24 |
0 |
0 |
0 |
0 |
| VODI |
0 |
19 |
28 |
120 |
38 |
0 |
1 |
0 |
| ODI |
0 |
0 |
0 |
70 |
137 |
77 |
4 |
0 |
| CDI |
0 |
0 |
0 |
21 |
153 |
247 |
221 |
12 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
267 |
4406 |
25926 |
|
|
Date: 2025-04-11:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
255 |
20 |
5 |
0 |
0 |
0 |
0 |
| OW |
0 |
89 |
22 |
10 |
0 |
0 |
0 |
0 |
| VODI |
0 |
99 |
21 |
90 |
4 |
1 |
0 |
0 |
| ODI |
0 |
33 |
33 |
181 |
93 |
7 |
1 |
0 |
| CDI |
0 |
0 |
0 |
36 |
334 |
421 |
65 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
1048 |
6480 |
22716 |
|
|
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