Validation of sea ice concentration - European sector
Reference date: 2025-08-28
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
96451 |
5236 |
157 |
207 |
7 |
0 |
0 |
0 |
| OW |
0 |
23 |
33 |
157 |
48 |
1 |
0 |
0 |
| VODI |
0 |
2 |
16 |
140 |
389 |
47 |
0 |
0 |
| ODI |
0 |
0 |
0 |
42 |
1781 |
1933 |
190 |
0 |
| CDI |
0 |
0 |
0 |
0 |
15 |
974 |
1128 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
19 |
87 |
0 |
|
|
Date: 2025-08-24:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97089 |
4654 |
148 |
173 |
13 |
0 |
0 |
0 |
| OW |
0 |
26 |
45 |
137 |
49 |
0 |
0 |
0 |
| VODI |
0 |
0 |
10 |
142 |
274 |
42 |
0 |
0 |
| ODI |
0 |
0 |
0 |
65 |
2000 |
1609 |
74 |
0 |
| CDI |
0 |
0 |
0 |
0 |
23 |
1107 |
1127 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
27 |
249 |
0 |
|
|
Date: 2025-08-26:
| 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 |
4712 |
150 |
164 |
8 |
0 |
0 |
0 |
| OW |
0 |
22 |
44 |
147 |
21 |
0 |
0 |
0 |
| VODI |
0 |
1 |
14 |
191 |
233 |
7 |
2 |
0 |
| ODI |
0 |
0 |
0 |
62 |
2235 |
1066 |
54 |
0 |
| CDI |
0 |
0 |
0 |
1 |
124 |
1729 |
435 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
189 |
457 |
0 |
|
|
Date: 2025-08-28:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
96877 |
4826 |
148 |
168 |
4 |
0 |
0 |
0 |
| OW |
0 |
22 |
54 |
145 |
25 |
0 |
0 |
0 |
| VODI |
0 |
8 |
29 |
211 |
201 |
3 |
3 |
0 |
| ODI |
0 |
0 |
1 |
54 |
2240 |
1205 |
47 |
0 |
| CDI |
0 |
0 |
0 |
4 |
253 |
1610 |
301 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
350 |
286 |
0 |
|
|
Date: 2025-08-30:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97022 |
4753 |
141 |
161 |
2 |
0 |
0 |
0 |
| OW |
0 |
38 |
47 |
135 |
10 |
0 |
0 |
0 |
| VODI |
0 |
18 |
34 |
254 |
147 |
14 |
14 |
0 |
| ODI |
0 |
0 |
0 |
118 |
2554 |
1463 |
53 |
0 |
| CDI |
0 |
0 |
0 |
1 |
135 |
1100 |
545 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
81 |
243 |
0 |
|
|
Date: 2025-09-01:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97585 |
4275 |
167 |
162 |
1 |
0 |
0 |
0 |
| OW |
0 |
50 |
42 |
114 |
3 |
0 |
0 |
0 |
| VODI |
0 |
9 |
33 |
322 |
135 |
15 |
19 |
0 |
| ODI |
0 |
0 |
2 |
257 |
2688 |
1096 |
32 |
0 |
| CDI |
0 |
0 |
0 |
1 |
69 |
935 |
753 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
63 |
255 |
0 |
|
|
Date: 2025-09-03:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
98478 |
3446 |
172 |
161 |
2 |
0 |
0 |
0 |
| OW |
0 |
50 |
42 |
95 |
9 |
0 |
0 |
0 |
| VODI |
0 |
8 |
42 |
389 |
172 |
11 |
8 |
0 |
| ODI |
0 |
0 |
0 |
343 |
1960 |
1044 |
12 |
0 |
| CDI |
0 |
0 |
0 |
0 |
94 |
1164 |
955 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
63 |
361 |
0 |
|
|
Date: 2025-09-05:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97579 |
4465 |
166 |
128 |
6 |
0 |
0 |
0 |
| OW |
0 |
48 |
52 |
89 |
18 |
0 |
0 |
0 |
| VODI |
0 |
6 |
40 |
400 |
239 |
5 |
1 |
0 |
| ODI |
0 |
0 |
0 |
151 |
1674 |
768 |
8 |
0 |
| CDI |
0 |
0 |
0 |
5 |
129 |
1641 |
986 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
103 |
373 |
0 |
|
|
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