Validation of sea ice concentration - European sector
Bulletin date: 2025-07-29
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-07-29:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
40142 |
4737 |
20 |
125 |
11 |
4 |
0 |
0 |
| OW |
129 |
682 |
24 |
144 |
17 |
6 |
1 |
0 |
| VODI |
148 |
1015 |
42 |
427 |
118 |
52 |
27 |
0 |
| ODI |
6 |
297 |
28 |
544 |
659 |
636 |
57 |
0 |
| CDI |
1 |
45 |
10 |
321 |
1615 |
2488 |
186 |
0 |
| VCDI |
0 |
10 |
3 |
60 |
280 |
1161 |
352 |
0 |
|
Date: 2025-07-31:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
40861 |
6223 |
81 |
502 |
81 |
11 |
0 |
0 |
| OW |
1 |
94 |
16 |
118 |
44 |
7 |
3 |
0 |
| VODI |
0 |
152 |
15 |
211 |
126 |
77 |
18 |
0 |
| ODI |
0 |
102 |
17 |
270 |
602 |
613 |
41 |
0 |
| CDI |
0 |
24 |
5 |
189 |
1753 |
2497 |
128 |
0 |
| VCDI |
0 |
10 |
3 |
43 |
272 |
1383 |
37 |
0 |
|
Date: 2025-08-02:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
41046 |
6470 |
126 |
585 |
112 |
30 |
4 |
0 |
| OW |
0 |
64 |
11 |
87 |
21 |
15 |
2 |
0 |
| VODI |
0 |
128 |
11 |
139 |
73 |
79 |
9 |
0 |
| ODI |
0 |
93 |
8 |
187 |
603 |
587 |
78 |
0 |
| CDI |
0 |
41 |
10 |
180 |
1607 |
2039 |
299 |
0 |
| VCDI |
0 |
24 |
3 |
74 |
507 |
971 |
307 |
0 |
|
Date: 2025-08-04:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
42143 |
5780 |
63 |
447 |
85 |
40 |
0 |
0 |
| OW |
0 |
86 |
4 |
53 |
15 |
13 |
1 |
0 |
| VODI |
0 |
153 |
3 |
96 |
87 |
73 |
5 |
0 |
| ODI |
0 |
102 |
7 |
117 |
605 |
466 |
42 |
0 |
| CDI |
0 |
69 |
5 |
234 |
1971 |
2082 |
238 |
0 |
| VCDI |
0 |
27 |
3 |
69 |
323 |
805 |
318 |
0 |
|
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