Validation of sea ice concentration - European sector
Bulletin date: 2025-04-22
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-04-22:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16076 |
14408 |
105 |
823 |
305 |
75 |
0 |
0 |
| OW |
32 |
298 |
4 |
148 |
78 |
34 |
1 |
0 |
| VODI |
11 |
662 |
31 |
303 |
190 |
87 |
10 |
0 |
| ODI |
0 |
312 |
34 |
559 |
510 |
242 |
216 |
12 |
| CDI |
0 |
52 |
10 |
283 |
609 |
959 |
1062 |
136 |
| VCDI |
0 |
14 |
6 |
168 |
886 |
2063 |
8276 |
6578 |
|
Date: 2025-04-24:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16291 |
14903 |
117 |
1300 |
512 |
152 |
0 |
0 |
| OW |
0 |
137 |
6 |
101 |
50 |
32 |
0 |
0 |
| VODI |
0 |
184 |
22 |
217 |
151 |
89 |
15 |
0 |
| ODI |
0 |
136 |
31 |
400 |
442 |
337 |
218 |
9 |
| CDI |
0 |
19 |
9 |
229 |
568 |
1007 |
1105 |
189 |
| VCDI |
0 |
17 |
3 |
196 |
812 |
1998 |
8132 |
6532 |
|
Date: 2025-04-26:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16530 |
15016 |
92 |
1187 |
564 |
230 |
26 |
0 |
| OW |
0 |
94 |
2 |
86 |
61 |
27 |
14 |
0 |
| VODI |
0 |
177 |
13 |
205 |
139 |
93 |
31 |
0 |
| ODI |
0 |
119 |
14 |
386 |
400 |
378 |
217 |
5 |
| CDI |
0 |
36 |
10 |
229 |
642 |
1077 |
1112 |
82 |
| VCDI |
0 |
22 |
4 |
256 |
855 |
2555 |
7538 |
6144 |
|
Date: 2025-04-28:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17696 |
14058 |
149 |
1194 |
536 |
135 |
6 |
0 |
| OW |
5 |
117 |
6 |
128 |
53 |
35 |
1 |
0 |
| VODI |
11 |
168 |
20 |
262 |
136 |
81 |
19 |
0 |
| ODI |
7 |
146 |
23 |
337 |
338 |
390 |
164 |
5 |
| CDI |
1 |
100 |
10 |
265 |
754 |
1206 |
1118 |
137 |
| VCDI |
1 |
69 |
16 |
243 |
776 |
2805 |
7074 |
5867 |
|
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