Validation of sea ice concentration - European 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 |
94885 |
6213 |
256 |
302 |
17 |
0 |
0 |
0 |
| OW |
0 |
114 |
54 |
130 |
70 |
3 |
0 |
0 |
| VODI |
0 |
47 |
41 |
237 |
1174 |
137 |
0 |
0 |
| ODI |
0 |
0 |
0 |
11 |
1915 |
1335 |
5 |
0 |
| CDI |
0 |
0 |
0 |
0 |
38 |
1032 |
991 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
12 |
68 |
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 |
95013 |
6352 |
311 |
289 |
24 |
0 |
0 |
0 |
| OW |
0 |
82 |
34 |
133 |
74 |
9 |
0 |
0 |
| VODI |
0 |
21 |
22 |
196 |
913 |
100 |
0 |
0 |
| ODI |
0 |
0 |
0 |
28 |
2232 |
1244 |
5 |
0 |
| CDI |
0 |
0 |
0 |
0 |
31 |
1673 |
165 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
74 |
62 |
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 |
95640 |
6071 |
261 |
266 |
20 |
0 |
0 |
0 |
| OW |
0 |
21 |
41 |
134 |
55 |
5 |
0 |
0 |
| VODI |
0 |
17 |
17 |
171 |
510 |
55 |
2 |
0 |
| ODI |
0 |
0 |
0 |
50 |
2845 |
1028 |
23 |
0 |
| CDI |
0 |
0 |
0 |
0 |
69 |
1113 |
484 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
79 |
109 |
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 |
96090 |
5798 |
225 |
209 |
12 |
0 |
0 |
0 |
| OW |
0 |
12 |
31 |
128 |
61 |
1 |
0 |
0 |
| VODI |
0 |
11 |
10 |
179 |
441 |
56 |
1 |
0 |
| ODI |
0 |
0 |
0 |
60 |
2800 |
1128 |
23 |
0 |
| CDI |
0 |
0 |
0 |
0 |
77 |
1498 |
66 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
97 |
72 |
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 |
96042 |
5915 |
174 |
183 |
8 |
0 |
0 |
0 |
| OW |
0 |
8 |
42 |
127 |
56 |
0 |
0 |
0 |
| VODI |
0 |
1 |
6 |
253 |
603 |
34 |
0 |
0 |
| ODI |
0 |
0 |
0 |
73 |
2944 |
1083 |
8 |
0 |
| CDI |
0 |
0 |
0 |
0 |
49 |
1271 |
96 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
86 |
22 |
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 |
96441 |
5401 |
156 |
199 |
6 |
0 |
0 |
0 |
| OW |
0 |
13 |
33 |
128 |
48 |
2 |
0 |
0 |
| VODI |
0 |
2 |
7 |
158 |
610 |
69 |
0 |
0 |
| ODI |
0 |
0 |
0 |
36 |
2525 |
1533 |
54 |
0 |
| CDI |
0 |
0 |
0 |
0 |
2 |
1106 |
477 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
16 |
65 |
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 |
96503 |
5280 |
169 |
170 |
9 |
0 |
0 |
0 |
| OW |
0 |
18 |
27 |
124 |
54 |
3 |
0 |
0 |
| VODI |
0 |
4 |
13 |
127 |
427 |
79 |
6 |
0 |
| ODI |
0 |
0 |
0 |
35 |
2123 |
1429 |
253 |
0 |
| CDI |
0 |
0 |
0 |
0 |
17 |
794 |
1333 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
15 |
70 |
2 |
|
|
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 |
96455 |
5236 |
156 |
210 |
7 |
0 |
0 |
0 |
| OW |
0 |
23 |
35 |
153 |
48 |
1 |
0 |
0 |
| VODI |
0 |
2 |
15 |
146 |
388 |
47 |
0 |
0 |
| ODI |
0 |
0 |
0 |
37 |
1782 |
1929 |
189 |
0 |
| CDI |
0 |
0 |
0 |
0 |
15 |
977 |
1128 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
20 |
88 |
0 |
|
|
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