Validation of sea ice concentration - European sector
Bulletin date: 2025-01-02
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-12-27:
| 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 |
68204 |
9587 |
64 |
64 |
29 |
0 |
0 |
0 |
| OW |
942 |
1107 |
108 |
161 |
70 |
20 |
0 |
0 |
| VODI |
1982 |
528 |
154 |
347 |
228 |
143 |
5 |
0 |
| ODI |
1666 |
214 |
60 |
158 |
263 |
283 |
40 |
0 |
| CDI |
0 |
213 |
109 |
266 |
397 |
771 |
521 |
0 |
| VCDI |
0 |
71 |
27 |
111 |
437 |
1251 |
8954 |
3307 |
|
...date precedes bulletin
|
Date: 2024-12-29:
| 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 |
67521 |
10090 |
66 |
68 |
9 |
1 |
0 |
0 |
| OW |
896 |
979 |
173 |
163 |
113 |
47 |
0 |
0 |
| VODI |
1982 |
405 |
150 |
362 |
234 |
111 |
23 |
0 |
| ODI |
1681 |
162 |
60 |
180 |
293 |
226 |
88 |
0 |
| CDI |
21 |
109 |
74 |
185 |
545 |
973 |
788 |
0 |
| VCDI |
15 |
18 |
17 |
60 |
171 |
1366 |
9011 |
3426 |
|
...date precedes bulletin
|
Date: 2024-12-31:
| 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 |
65697 |
11939 |
136 |
75 |
3 |
0 |
0 |
0 |
| OW |
838 |
704 |
215 |
323 |
106 |
19 |
0 |
0 |
| VODI |
1989 |
228 |
137 |
382 |
302 |
122 |
17 |
0 |
| ODI |
1656 |
89 |
43 |
201 |
382 |
250 |
72 |
0 |
| CDI |
0 |
22 |
31 |
156 |
374 |
1136 |
909 |
0 |
| VCDI |
0 |
0 |
0 |
17 |
62 |
919 |
8584 |
4727 |
|
...date precedes bulletin
|
Date: 2025-01-02:
| 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 |
67241 |
10013 |
128 |
56 |
3 |
0 |
0 |
0 |
| OW |
861 |
841 |
183 |
250 |
67 |
9 |
0 |
0 |
| VODI |
1974 |
402 |
130 |
284 |
259 |
83 |
10 |
0 |
| ODI |
1678 |
156 |
80 |
229 |
349 |
345 |
97 |
0 |
| CDI |
0 |
95 |
76 |
180 |
507 |
1377 |
755 |
0 |
| VCDI |
0 |
7 |
18 |
71 |
166 |
1537 |
9052 |
3293 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67279 |
10306 |
176 |
107 |
10 |
0 |
0 |
0 |
| OW |
831 |
675 |
178 |
292 |
140 |
22 |
2 |
0 |
| VODI |
2000 |
354 |
116 |
268 |
280 |
169 |
27 |
0 |
| ODI |
1644 |
114 |
81 |
215 |
364 |
425 |
160 |
0 |
| CDI |
0 |
60 |
50 |
133 |
422 |
1237 |
945 |
0 |
| VCDI |
0 |
5 |
14 |
55 |
135 |
1498 |
8780 |
3293 |
|
Date: 2025-01-04:
| 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 |
66840 |
10381 |
75 |
73 |
4 |
0 |
0 |
0 |
| OW |
810 |
1048 |
130 |
174 |
113 |
20 |
0 |
0 |
| VODI |
1954 |
397 |
151 |
317 |
214 |
54 |
19 |
0 |
| ODI |
1702 |
155 |
64 |
230 |
394 |
262 |
108 |
0 |
| CDI |
0 |
152 |
73 |
232 |
496 |
1430 |
1100 |
0 |
| VCDI |
0 |
86 |
26 |
128 |
257 |
1264 |
8332 |
3597 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66847 |
10785 |
109 |
155 |
21 |
1 |
0 |
0 |
| OW |
811 |
817 |
156 |
184 |
184 |
35 |
1 |
0 |
| VODI |
1985 |
349 |
134 |
349 |
255 |
90 |
41 |
0 |
| ODI |
1663 |
119 |
54 |
198 |
385 |
410 |
151 |
0 |
| CDI |
0 |
90 |
47 |
169 |
446 |
1316 |
1156 |
0 |
| VCDI |
0 |
59 |
19 |
99 |
187 |
1178 |
8210 |
3597 |
|
Date: 2025-01-06:
| 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 |
65524 |
12204 |
130 |
107 |
17 |
0 |
0 |
0 |
| OW |
811 |
952 |
201 |
292 |
120 |
22 |
0 |
0 |
| VODI |
1943 |
149 |
135 |
385 |
296 |
78 |
0 |
0 |
| ODI |
1718 |
40 |
39 |
153 |
401 |
285 |
30 |
0 |
| CDI |
0 |
30 |
30 |
126 |
428 |
1030 |
706 |
0 |
| VCDI |
0 |
0 |
3 |
25 |
204 |
902 |
8531 |
4815 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65534 |
12049 |
169 |
211 |
48 |
2 |
0 |
0 |
| OW |
808 |
856 |
130 |
208 |
158 |
50 |
0 |
0 |
| VODI |
1965 |
316 |
132 |
283 |
253 |
147 |
21 |
0 |
| ODI |
1689 |
104 |
58 |
188 |
272 |
342 |
186 |
0 |
| CDI |
0 |
46 |
41 |
156 |
449 |
995 |
1266 |
14 |
| VCDI |
0 |
4 |
8 |
42 |
286 |
781 |
7794 |
4801 |
|
Date: 2025-01-08:
| 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 |
63539 |
13618 |
272 |
341 |
49 |
3 |
0 |
0 |
| OW |
801 |
667 |
131 |
293 |
276 |
35 |
0 |
0 |
| VODI |
1910 |
157 |
92 |
243 |
295 |
162 |
8 |
0 |
| ODI |
1754 |
58 |
26 |
146 |
220 |
304 |
81 |
0 |
| CDI |
0 |
36 |
21 |
116 |
286 |
1032 |
1929 |
0 |
| VCDI |
0 |
4 |
6 |
16 |
57 |
551 |
8352 |
4975 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63543 |
13404 |
276 |
432 |
156 |
15 |
0 |
0 |
| OW |
799 |
743 |
97 |
224 |
219 |
77 |
1 |
0 |
| VODI |
1936 |
237 |
90 |
206 |
282 |
207 |
49 |
0 |
| ODI |
1726 |
95 |
41 |
133 |
198 |
378 |
202 |
0 |
| CDI |
0 |
58 |
40 |
135 |
236 |
806 |
2007 |
0 |
| VCDI |
0 |
3 |
4 |
25 |
92 |
604 |
8111 |
4975 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63953 |
12638 |
245 |
292 |
122 |
38 |
0 |
0 |
| OW |
805 |
752 |
114 |
239 |
221 |
111 |
0 |
0 |
| VODI |
1911 |
316 |
72 |
188 |
248 |
315 |
25 |
0 |
| ODI |
1752 |
150 |
55 |
116 |
170 |
508 |
182 |
0 |
| CDI |
0 |
74 |
53 |
164 |
395 |
1315 |
1244 |
1 |
| VCDI |
0 |
12 |
8 |
48 |
239 |
1497 |
8710 |
3564 |
|
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