Validation of sea ice concentration - European sector
Bulletin date: 2024-12-05
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-11-29:
| 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 |
74728 |
7895 |
214 |
166 |
20 |
0 |
0 |
0 |
| OW |
1019 |
758 |
163 |
283 |
148 |
16 |
0 |
0 |
| VODI |
2996 |
175 |
139 |
337 |
494 |
119 |
4 |
0 |
| ODI |
385 |
14 |
29 |
152 |
325 |
427 |
40 |
0 |
| CDI |
0 |
3 |
2 |
72 |
367 |
1365 |
343 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
40 |
1296 |
7557 |
768 |
|
...date precedes bulletin
|
Date: 2024-12-01:
| 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 |
74872 |
7073 |
145 |
212 |
37 |
0 |
0 |
0 |
| OW |
1057 |
896 |
80 |
177 |
175 |
10 |
0 |
0 |
| VODI |
2820 |
332 |
162 |
306 |
364 |
101 |
0 |
0 |
| ODI |
574 |
70 |
56 |
218 |
364 |
344 |
11 |
0 |
| CDI |
0 |
5 |
10 |
131 |
514 |
1263 |
100 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
89 |
2270 |
7023 |
999 |
|
...date precedes bulletin
|
Date: 2024-12-03:
| 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 |
73763 |
7883 |
119 |
131 |
75 |
0 |
0 |
0 |
| OW |
967 |
1046 |
115 |
147 |
91 |
0 |
0 |
0 |
| VODI |
2705 |
233 |
183 |
342 |
313 |
20 |
0 |
0 |
| ODI |
699 |
6 |
46 |
253 |
504 |
272 |
8 |
0 |
| CDI |
0 |
5 |
8 |
95 |
526 |
1996 |
415 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
1785 |
7345 |
761 |
|
...date precedes bulletin
|
Date: 2024-12-05:
| 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 |
72667 |
8513 |
121 |
140 |
150 |
0 |
0 |
0 |
| OW |
956 |
1055 |
142 |
129 |
178 |
1 |
0 |
0 |
| VODI |
2590 |
380 |
156 |
291 |
249 |
43 |
0 |
0 |
| ODI |
831 |
48 |
64 |
232 |
359 |
264 |
30 |
0 |
| CDI |
0 |
6 |
11 |
155 |
476 |
1288 |
337 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
140 |
2027 |
6851 |
1978 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72672 |
8677 |
131 |
143 |
180 |
0 |
0 |
0 |
| OW |
958 |
921 |
150 |
143 |
198 |
7 |
0 |
0 |
| VODI |
2633 |
358 |
144 |
309 |
259 |
69 |
0 |
0 |
| ODI |
781 |
46 |
66 |
218 |
359 |
480 |
46 |
0 |
| CDI |
0 |
0 |
3 |
137 |
429 |
1285 |
373 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
127 |
1782 |
6799 |
1978 |
|
Date: 2024-12-07:
| 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 |
73714 |
7233 |
123 |
159 |
131 |
18 |
0 |
0 |
| OW |
890 |
986 |
108 |
121 |
110 |
67 |
0 |
0 |
| VODI |
2378 |
393 |
158 |
299 |
157 |
144 |
17 |
0 |
| ODI |
1207 |
69 |
66 |
211 |
249 |
253 |
84 |
0 |
| CDI |
0 |
33 |
28 |
176 |
484 |
964 |
541 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
144 |
2079 |
6844 |
2221 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73796 |
7478 |
134 |
155 |
152 |
28 |
0 |
0 |
| OW |
963 |
777 |
118 |
169 |
124 |
84 |
1 |
0 |
| VODI |
2527 |
369 |
150 |
262 |
150 |
190 |
32 |
0 |
| ODI |
903 |
74 |
63 |
221 |
256 |
453 |
152 |
0 |
| CDI |
0 |
16 |
18 |
162 |
464 |
1056 |
598 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
129 |
1714 |
6703 |
2221 |
|
Date: 2024-12-09:
| 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 |
73764 |
7633 |
61 |
65 |
36 |
6 |
0 |
0 |
| OW |
909 |
1087 |
138 |
118 |
66 |
34 |
4 |
0 |
| VODI |
2347 |
173 |
157 |
345 |
248 |
90 |
9 |
0 |
| ODI |
1232 |
15 |
27 |
172 |
469 |
263 |
38 |
0 |
| CDI |
0 |
0 |
5 |
67 |
433 |
1355 |
257 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
63 |
1737 |
6168 |
3267 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73786 |
7298 |
102 |
135 |
90 |
62 |
1 |
0 |
| OW |
884 |
869 |
67 |
115 |
112 |
87 |
17 |
0 |
| VODI |
2351 |
553 |
67 |
113 |
249 |
109 |
56 |
0 |
| ODI |
1231 |
178 |
117 |
205 |
234 |
320 |
177 |
0 |
| CDI |
0 |
10 |
35 |
197 |
515 |
1129 |
424 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
115 |
1778 |
5801 |
3267 |
|
Date: 2024-12-11:
| 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 |
71974 |
8667 |
146 |
93 |
37 |
6 |
0 |
0 |
| OW |
867 |
1040 |
188 |
190 |
180 |
28 |
4 |
0 |
| VODI |
2319 |
203 |
133 |
356 |
285 |
178 |
21 |
0 |
| ODI |
1263 |
42 |
21 |
131 |
310 |
406 |
77 |
0 |
| CDI |
0 |
3 |
8 |
64 |
342 |
1044 |
308 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
90 |
1845 |
8176 |
1810 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71982 |
8317 |
209 |
201 |
188 |
67 |
1 |
0 |
| OW |
859 |
881 |
87 |
125 |
157 |
152 |
29 |
0 |
| VODI |
2314 |
500 |
87 |
160 |
151 |
256 |
79 |
0 |
| ODI |
1268 |
193 |
76 |
139 |
211 |
331 |
183 |
0 |
| CDI |
0 |
64 |
37 |
211 |
473 |
923 |
473 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
64 |
1778 |
7821 |
1810 |
|
Date: 2024-12-13:
| 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 |
71855 |
8651 |
138 |
15 |
1 |
0 |
0 |
0 |
| OW |
863 |
1055 |
184 |
229 |
91 |
4 |
1 |
0 |
| VODI |
2281 |
258 |
118 |
266 |
284 |
170 |
23 |
0 |
| ODI |
1304 |
71 |
55 |
137 |
208 |
314 |
73 |
0 |
| CDI |
0 |
34 |
37 |
127 |
310 |
937 |
498 |
0 |
| VCDI |
0 |
0 |
2 |
49 |
142 |
1292 |
8289 |
2496 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71859 |
8278 |
234 |
168 |
87 |
42 |
14 |
0 |
| OW |
852 |
814 |
81 |
158 |
183 |
171 |
51 |
0 |
| VODI |
2248 |
517 |
86 |
157 |
160 |
236 |
70 |
0 |
| ODI |
1344 |
265 |
49 |
113 |
165 |
219 |
183 |
0 |
| CDI |
0 |
192 |
70 |
180 |
294 |
776 |
791 |
0 |
| VCDI |
0 |
3 |
14 |
47 |
147 |
1273 |
7775 |
2496 |
|
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