Validation of sea ice concentration - European sector
Reference date: 2025-08-21
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-15:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96164 |
5815 |
162 |
176 |
15 |
0 |
0 |
0 |
| OW |
0 |
6 |
42 |
117 |
63 |
2 |
0 |
0 |
| VODI |
0 |
4 |
5 |
172 |
558 |
62 |
0 |
0 |
| ODI |
0 |
0 |
0 |
42 |
2871 |
1137 |
13 |
0 |
| CDI |
0 |
0 |
0 |
0 |
24 |
1421 |
79 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
75 |
58 |
0 |
|
|
Date: 2025-08-17:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96197 |
5721 |
144 |
185 |
18 |
0 |
0 |
0 |
| OW |
0 |
14 |
41 |
115 |
49 |
5 |
0 |
0 |
| VODI |
0 |
0 |
9 |
215 |
619 |
76 |
0 |
0 |
| ODI |
0 |
0 |
0 |
44 |
2421 |
1564 |
58 |
0 |
| CDI |
0 |
0 |
0 |
0 |
3 |
1012 |
474 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
64 |
35 |
0 |
|
|
Date: 2025-08-19:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96480 |
5293 |
167 |
194 |
7 |
0 |
0 |
0 |
| OW |
0 |
18 |
21 |
133 |
53 |
2 |
0 |
0 |
| VODI |
0 |
2 |
10 |
131 |
498 |
59 |
9 |
0 |
| ODI |
0 |
0 |
0 |
31 |
2382 |
1477 |
231 |
0 |
| CDI |
0 |
0 |
0 |
0 |
7 |
844 |
964 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
13 |
57 |
0 |
|
|
Date: 2025-08-21:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96452 |
5286 |
187 |
162 |
7 |
0 |
0 |
0 |
| OW |
0 |
19 |
30 |
148 |
54 |
1 |
0 |
0 |
| VODI |
0 |
3 |
8 |
129 |
403 |
79 |
1 |
0 |
| ODI |
0 |
0 |
0 |
40 |
1767 |
1811 |
193 |
0 |
| CDI |
0 |
0 |
0 |
0 |
16 |
914 |
1290 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
18 |
65 |
0 |
|
|
Date: 2025-08-23:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96310 |
5369 |
165 |
218 |
9 |
0 |
0 |
0 |
| OW |
0 |
27 |
34 |
139 |
53 |
1 |
0 |
0 |
| VODI |
0 |
0 |
10 |
152 |
328 |
44 |
0 |
0 |
| ODI |
0 |
0 |
0 |
50 |
1911 |
1764 |
131 |
0 |
| CDI |
0 |
0 |
0 |
0 |
19 |
931 |
1268 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
9 |
136 |
4 |
|
|
Date: 2025-08-25:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97075 |
4650 |
132 |
185 |
10 |
0 |
0 |
0 |
| OW |
0 |
23 |
49 |
137 |
30 |
0 |
0 |
0 |
| VODI |
0 |
0 |
3 |
178 |
270 |
14 |
0 |
0 |
| ODI |
0 |
0 |
0 |
47 |
2181 |
1321 |
39 |
0 |
| CDI |
0 |
0 |
0 |
1 |
46 |
1489 |
762 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
66 |
375 |
0 |
|
|
Date: 2025-08-27:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97010 |
4699 |
138 |
182 |
7 |
0 |
0 |
0 |
| OW |
0 |
22 |
41 |
150 |
24 |
0 |
0 |
0 |
| VODI |
0 |
7 |
25 |
196 |
201 |
5 |
1 |
0 |
| ODI |
0 |
0 |
0 |
85 |
2415 |
790 |
47 |
0 |
| CDI |
0 |
0 |
0 |
4 |
243 |
1545 |
456 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
294 |
491 |
0 |
|
|
Date: 2025-08-29:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96921 |
4838 |
161 |
134 |
1 |
0 |
0 |
0 |
| OW |
0 |
30 |
52 |
145 |
18 |
0 |
0 |
0 |
| VODI |
0 |
22 |
40 |
219 |
176 |
3 |
13 |
0 |
| ODI |
0 |
0 |
0 |
112 |
2550 |
1136 |
44 |
0 |
| CDI |
0 |
0 |
0 |
2 |
163 |
1579 |
307 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
208 |
207 |
0 |
|
|
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