Validation of sea ice concentration - European sector
Bulletin date: 2025-07-22
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-07-22:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
37549 |
6647 |
23 |
164 |
23 |
4 |
0 |
0 |
| OW |
63 |
826 |
27 |
178 |
36 |
10 |
0 |
0 |
| VODI |
21 |
1132 |
40 |
517 |
189 |
85 |
8 |
0 |
| ODI |
0 |
411 |
44 |
616 |
427 |
503 |
87 |
0 |
| CDI |
0 |
58 |
13 |
256 |
959 |
3135 |
425 |
0 |
| VCDI |
0 |
4 |
2 |
44 |
408 |
1440 |
256 |
0 |
|
Date: 2025-07-24:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
39048 |
7174 |
107 |
710 |
143 |
35 |
3 |
0 |
| OW |
0 |
93 |
6 |
141 |
62 |
9 |
9 |
0 |
| VODI |
0 |
192 |
27 |
287 |
132 |
63 |
58 |
0 |
| ODI |
0 |
184 |
24 |
320 |
408 |
554 |
51 |
0 |
| CDI |
0 |
62 |
8 |
204 |
1307 |
3125 |
153 |
0 |
| VCDI |
0 |
5 |
3 |
62 |
440 |
1333 |
88 |
0 |
|
Date: 2025-07-26:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
39388 |
7038 |
91 |
874 |
203 |
44 |
14 |
0 |
| OW |
0 |
73 |
10 |
115 |
46 |
14 |
16 |
0 |
| VODI |
0 |
150 |
16 |
225 |
123 |
66 |
34 |
0 |
| ODI |
0 |
154 |
6 |
239 |
418 |
559 |
36 |
0 |
| CDI |
0 |
88 |
5 |
195 |
1305 |
3043 |
96 |
0 |
| VCDI |
0 |
16 |
2 |
45 |
423 |
1414 |
46 |
0 |
|
Date: 2025-07-28:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
40296 |
6427 |
110 |
855 |
157 |
55 |
30 |
0 |
| OW |
0 |
69 |
8 |
92 |
22 |
9 |
15 |
0 |
| VODI |
0 |
120 |
9 |
182 |
111 |
33 |
39 |
0 |
| ODI |
0 |
115 |
9 |
204 |
507 |
505 |
61 |
0 |
| CDI |
0 |
38 |
7 |
225 |
1519 |
2795 |
132 |
0 |
| VCDI |
0 |
17 |
1 |
69 |
269 |
1320 |
198 |
0 |
|
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