Validation of sea ice concentration - European sector
Bulletin date: 2025-01-23
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-01-17:
| 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 |
62867 |
13485 |
157 |
157 |
11 |
2 |
3 |
0 |
| OW |
795 |
967 |
139 |
257 |
131 |
37 |
7 |
0 |
| VODI |
1814 |
379 |
110 |
236 |
218 |
137 |
50 |
0 |
| ODI |
1875 |
128 |
51 |
134 |
257 |
215 |
115 |
0 |
| CDI |
0 |
81 |
49 |
174 |
345 |
695 |
901 |
2 |
| VCDI |
0 |
1 |
8 |
40 |
171 |
832 |
9175 |
5654 |
|
...date precedes bulletin
|
Date: 2025-01-19:
| 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 |
62593 |
13402 |
174 |
110 |
10 |
2 |
0 |
0 |
| OW |
959 |
880 |
129 |
271 |
132 |
34 |
0 |
0 |
| VODI |
1823 |
482 |
87 |
221 |
231 |
117 |
1 |
0 |
| ODI |
1887 |
192 |
66 |
156 |
184 |
205 |
31 |
1 |
| CDI |
0 |
105 |
79 |
195 |
373 |
722 |
629 |
7 |
| VCDI |
0 |
3 |
10 |
62 |
191 |
963 |
10674 |
4469 |
|
...date precedes bulletin
|
Date: 2025-01-21:
| 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 |
62492 |
13658 |
257 |
79 |
14 |
1 |
0 |
0 |
| OW |
825 |
814 |
217 |
302 |
83 |
19 |
2 |
0 |
| VODI |
1796 |
239 |
125 |
351 |
343 |
83 |
14 |
0 |
| ODI |
1903 |
129 |
49 |
138 |
312 |
300 |
43 |
0 |
| CDI |
0 |
50 |
35 |
128 |
328 |
1054 |
958 |
1 |
| VCDI |
0 |
0 |
2 |
10 |
44 |
915 |
10358 |
4391 |
|
...date precedes bulletin
|
Date: 2025-01-23:
| 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 |
62331 |
13312 |
94 |
89 |
27 |
3 |
0 |
0 |
| OW |
844 |
943 |
229 |
222 |
76 |
26 |
6 |
0 |
| VODI |
1794 |
420 |
138 |
423 |
288 |
83 |
18 |
0 |
| ODI |
1919 |
201 |
54 |
180 |
393 |
320 |
85 |
0 |
| CDI |
0 |
103 |
50 |
146 |
392 |
1140 |
1001 |
0 |
| VCDI |
0 |
27 |
10 |
33 |
97 |
818 |
9558 |
4969 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62345 |
13409 |
104 |
94 |
22 |
2 |
0 |
0 |
| OW |
832 |
871 |
224 |
238 |
88 |
27 |
6 |
0 |
| VODI |
1793 |
408 |
132 |
405 |
293 |
90 |
16 |
0 |
| ODI |
1918 |
187 |
53 |
176 |
385 |
324 |
85 |
0 |
| CDI |
0 |
100 |
46 |
137 |
375 |
1139 |
1053 |
0 |
| VCDI |
0 |
31 |
16 |
43 |
110 |
808 |
9508 |
4969 |
|
Date: 2025-01-25:
| 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 |
60376 |
14843 |
103 |
90 |
27 |
10 |
1 |
0 |
| OW |
792 |
1160 |
209 |
226 |
80 |
28 |
24 |
0 |
| VODI |
1795 |
588 |
138 |
397 |
363 |
69 |
23 |
0 |
| ODI |
1923 |
208 |
84 |
188 |
381 |
303 |
55 |
0 |
| CDI |
0 |
89 |
40 |
163 |
317 |
1054 |
1076 |
0 |
| VCDI |
0 |
18 |
23 |
93 |
179 |
1037 |
8987 |
5302 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60378 |
14927 |
112 |
97 |
29 |
8 |
1 |
0 |
| OW |
789 |
1117 |
204 |
237 |
89 |
35 |
26 |
0 |
| VODI |
1797 |
560 |
128 |
380 |
354 |
79 |
20 |
0 |
| ODI |
1922 |
206 |
88 |
194 |
380 |
303 |
57 |
0 |
| CDI |
0 |
79 |
44 |
158 |
314 |
1046 |
1103 |
0 |
| VCDI |
0 |
17 |
21 |
91 |
181 |
1030 |
8959 |
5302 |
|
Date: 2025-01-27:
| 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 |
59832 |
15470 |
172 |
165 |
27 |
20 |
3 |
0 |
| OW |
679 |
1284 |
143 |
176 |
88 |
40 |
34 |
0 |
| VODI |
1774 |
691 |
195 |
323 |
264 |
98 |
28 |
0 |
| ODI |
1933 |
192 |
97 |
255 |
314 |
198 |
72 |
0 |
| CDI |
0 |
100 |
53 |
219 |
464 |
847 |
693 |
0 |
| VCDI |
0 |
8 |
26 |
112 |
267 |
1421 |
9143 |
4942 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59832 |
15221 |
156 |
139 |
26 |
22 |
6 |
0 |
| OW |
679 |
1431 |
154 |
191 |
66 |
36 |
36 |
0 |
| VODI |
1771 |
748 |
197 |
333 |
280 |
96 |
33 |
0 |
| ODI |
1936 |
246 |
97 |
273 |
343 |
224 |
69 |
0 |
| CDI |
0 |
89 |
53 |
212 |
443 |
818 |
619 |
0 |
| VCDI |
0 |
10 |
29 |
102 |
266 |
1428 |
9210 |
4942 |
|
Date: 2025-01-29:
| 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 |
61449 |
14439 |
137 |
100 |
22 |
11 |
0 |
0 |
| OW |
728 |
1387 |
194 |
264 |
70 |
41 |
11 |
0 |
| VODI |
1777 |
688 |
188 |
478 |
281 |
63 |
14 |
0 |
| ODI |
1930 |
129 |
83 |
262 |
327 |
136 |
53 |
0 |
| CDI |
0 |
37 |
32 |
129 |
451 |
565 |
564 |
0 |
| VCDI |
0 |
27 |
20 |
104 |
295 |
1453 |
9550 |
4373 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61448 |
13652 |
125 |
107 |
30 |
17 |
10 |
0 |
| OW |
725 |
1391 |
137 |
191 |
72 |
38 |
20 |
0 |
| VODI |
1762 |
970 |
161 |
391 |
241 |
77 |
32 |
0 |
| ODI |
1949 |
450 |
96 |
213 |
284 |
190 |
89 |
0 |
| CDI |
0 |
180 |
92 |
277 |
392 |
491 |
524 |
0 |
| VCDI |
0 |
64 |
43 |
158 |
427 |
1456 |
9517 |
4373 |
|
Date: 2025-01-31:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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