Validation of sea ice concentration - European sector
Bulletin date: 2025-01-16
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-01-10:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63916 |
12772 |
205 |
192 |
40 |
4 |
0 |
0 |
| OW |
825 |
787 |
148 |
247 |
210 |
65 |
0 |
0 |
| VODI |
1890 |
266 |
118 |
293 |
279 |
249 |
5 |
0 |
| ODI |
1790 |
66 |
46 |
166 |
251 |
388 |
100 |
0 |
| CDI |
0 |
44 |
26 |
106 |
403 |
1577 |
1112 |
1 |
| VCDI |
0 |
7 |
4 |
43 |
212 |
1501 |
8944 |
3564 |
|
...date precedes bulletin
|
Date: 2025-01-12:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66437 |
9967 |
235 |
43 |
9 |
0 |
0 |
0 |
| OW |
893 |
1044 |
197 |
283 |
119 |
3 |
0 |
0 |
| VODI |
1869 |
281 |
130 |
324 |
409 |
125 |
10 |
0 |
| ODI |
1814 |
109 |
40 |
178 |
270 |
351 |
57 |
0 |
| CDI |
0 |
65 |
32 |
150 |
369 |
1310 |
584 |
8 |
| VCDI |
0 |
17 |
26 |
100 |
314 |
1788 |
9444 |
3458 |
|
...date precedes bulletin
|
Date: 2025-01-14:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65337 |
11423 |
125 |
121 |
23 |
3 |
0 |
0 |
| OW |
811 |
958 |
188 |
287 |
151 |
31 |
2 |
0 |
| VODI |
1845 |
177 |
99 |
297 |
350 |
158 |
20 |
0 |
| ODI |
1839 |
59 |
39 |
125 |
265 |
304 |
34 |
0 |
| CDI |
0 |
26 |
25 |
145 |
328 |
1000 |
900 |
1 |
| VCDI |
0 |
11 |
8 |
29 |
180 |
1203 |
9292 |
4643 |
|
...date precedes bulletin
|
Date: 2025-01-16:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64344 |
12130 |
170 |
163 |
10 |
2 |
2 |
0 |
| OW |
811 |
962 |
148 |
259 |
149 |
35 |
7 |
0 |
| VODI |
1823 |
297 |
99 |
241 |
276 |
172 |
43 |
0 |
| ODI |
1862 |
121 |
49 |
136 |
236 |
244 |
76 |
0 |
| CDI |
0 |
64 |
45 |
138 |
343 |
820 |
924 |
5 |
| VCDI |
0 |
6 |
13 |
42 |
189 |
870 |
8932 |
5604 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64367 |
12440 |
201 |
196 |
26 |
2 |
3 |
0 |
| OW |
788 |
752 |
154 |
307 |
180 |
54 |
10 |
0 |
| VODI |
1845 |
246 |
89 |
217 |
299 |
220 |
68 |
0 |
| ODI |
1840 |
98 |
40 |
140 |
241 |
298 |
148 |
0 |
| CDI |
0 |
40 |
31 |
89 |
335 |
807 |
1101 |
3 |
| VCDI |
0 |
4 |
9 |
30 |
122 |
762 |
8654 |
5606 |
|
Date: 2025-01-18:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62215 |
13909 |
172 |
193 |
18 |
4 |
1 |
0 |
| OW |
810 |
949 |
143 |
282 |
121 |
37 |
1 |
0 |
| VODI |
1809 |
447 |
107 |
226 |
215 |
153 |
16 |
0 |
| ODI |
1884 |
122 |
75 |
164 |
214 |
212 |
49 |
0 |
| CDI |
0 |
55 |
67 |
224 |
386 |
746 |
748 |
3 |
| VCDI |
0 |
3 |
4 |
47 |
169 |
853 |
10030 |
4979 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62235 |
14323 |
229 |
264 |
34 |
4 |
1 |
0 |
| OW |
797 |
709 |
130 |
296 |
176 |
67 |
4 |
0 |
| VODI |
1826 |
326 |
98 |
220 |
246 |
197 |
49 |
0 |
| ODI |
1860 |
92 |
73 |
160 |
214 |
237 |
113 |
0 |
| CDI |
0 |
33 |
36 |
162 |
313 |
694 |
933 |
3 |
| VCDI |
0 |
2 |
2 |
34 |
140 |
806 |
9745 |
4979 |
|
Date: 2025-01-20:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63342 |
12707 |
506 |
94 |
26 |
1 |
0 |
0 |
| OW |
835 |
1024 |
164 |
245 |
87 |
28 |
1 |
0 |
| VODI |
1809 |
265 |
144 |
373 |
282 |
87 |
9 |
0 |
| ODI |
1885 |
74 |
51 |
116 |
376 |
221 |
57 |
0 |
| CDI |
0 |
29 |
27 |
102 |
321 |
870 |
600 |
0 |
| VCDI |
0 |
3 |
0 |
16 |
96 |
835 |
10540 |
4614 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63314 |
12598 |
555 |
180 |
31 |
3 |
0 |
0 |
| OW |
866 |
734 |
132 |
241 |
160 |
42 |
5 |
0 |
| VODI |
1813 |
429 |
68 |
213 |
217 |
130 |
37 |
0 |
| ODI |
1878 |
221 |
54 |
100 |
217 |
229 |
70 |
0 |
| CDI |
0 |
94 |
67 |
148 |
357 |
823 |
779 |
0 |
| VCDI |
0 |
26 |
16 |
64 |
206 |
815 |
10316 |
4614 |
|
Date: 2025-01-22:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62787 |
13175 |
143 |
105 |
20 |
8 |
3 |
0 |
| OW |
813 |
875 |
210 |
257 |
70 |
9 |
1 |
0 |
| VODI |
1796 |
342 |
130 |
391 |
313 |
63 |
4 |
0 |
| ODI |
1914 |
176 |
49 |
174 |
338 |
363 |
33 |
0 |
| CDI |
0 |
89 |
36 |
130 |
353 |
1289 |
787 |
0 |
| VCDI |
0 |
21 |
13 |
37 |
90 |
1096 |
9662 |
4697 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62786 |
12762 |
140 |
104 |
24 |
10 |
3 |
0 |
| OW |
809 |
863 |
177 |
266 |
71 |
10 |
1 |
0 |
| VODI |
1797 |
515 |
101 |
257 |
258 |
95 |
11 |
0 |
| ODI |
1918 |
295 |
76 |
162 |
282 |
312 |
57 |
0 |
| CDI |
0 |
186 |
63 |
236 |
365 |
1203 |
930 |
0 |
| VCDI |
0 |
57 |
24 |
69 |
184 |
1198 |
9488 |
4697 |
|
Date: 2025-01-24:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62079 |
13286 |
88 |
77 |
25 |
4 |
0 |
0 |
| OW |
825 |
1039 |
259 |
260 |
68 |
24 |
11 |
0 |
| VODI |
1798 |
514 |
131 |
410 |
318 |
86 |
29 |
0 |
| ODI |
1920 |
218 |
72 |
171 |
346 |
341 |
71 |
0 |
| CDI |
0 |
90 |
35 |
170 |
271 |
860 |
1457 |
0 |
| VCDI |
0 |
36 |
32 |
62 |
175 |
602 |
9581 |
5021 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62026 |
12514 |
86 |
94 |
37 |
17 |
2 |
0 |
| OW |
824 |
1139 |
172 |
184 |
55 |
23 |
18 |
0 |
| VODI |
1828 |
767 |
144 |
329 |
216 |
73 |
26 |
0 |
| ODI |
1944 |
403 |
73 |
192 |
321 |
246 |
94 |
0 |
| CDI |
0 |
307 |
103 |
246 |
312 |
800 |
1306 |
0 |
| VCDI |
0 |
53 |
39 |
105 |
262 |
758 |
9703 |
5021 |
|
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