Validation of sea ice concentration - European sector
Bulletin date: 2023-12-28
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-12-22:
| 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 |
67688 |
10560 |
333 |
302 |
13 |
0 |
0 |
0 |
| OW |
3 |
552 |
244 |
501 |
131 |
0 |
0 |
0 |
| VODI |
0 |
149 |
92 |
592 |
236 |
27 |
0 |
0 |
| ODI |
1 |
38 |
36 |
308 |
440 |
101 |
5 |
0 |
| CDI |
3 |
8 |
5 |
288 |
1025 |
1548 |
663 |
0 |
| VCDI |
6 |
0 |
0 |
15 |
472 |
3624 |
5774 |
4633 |
|
...date precedes bulletin
|
Date: 2023-12-24:
| 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 |
67653 |
10335 |
254 |
188 |
4 |
0 |
0 |
0 |
| OW |
26 |
654 |
211 |
525 |
71 |
0 |
0 |
0 |
| VODI |
1 |
260 |
82 |
493 |
287 |
1 |
0 |
0 |
| ODI |
0 |
92 |
59 |
295 |
386 |
55 |
0 |
0 |
| CDI |
1 |
41 |
47 |
331 |
826 |
1159 |
477 |
0 |
| VCDI |
9 |
0 |
0 |
55 |
497 |
3640 |
6160 |
5241 |
|
...date precedes bulletin
|
Date: 2023-12-26:
| 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 |
67665 |
10450 |
181 |
153 |
11 |
0 |
0 |
0 |
| OW |
104 |
896 |
313 |
349 |
76 |
0 |
0 |
0 |
| VODI |
4 |
194 |
166 |
615 |
206 |
6 |
0 |
0 |
| ODI |
0 |
18 |
22 |
373 |
389 |
24 |
0 |
0 |
| CDI |
1 |
4 |
4 |
276 |
895 |
906 |
75 |
0 |
| VCDI |
9 |
0 |
0 |
48 |
562 |
3945 |
6578 |
4898 |
|
...date precedes bulletin
|
Date: 2023-12-28:
| 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 |
67569 |
10368 |
204 |
184 |
8 |
0 |
0 |
0 |
| OW |
178 |
980 |
198 |
324 |
76 |
3 |
0 |
0 |
| VODI |
2 |
358 |
156 |
480 |
146 |
23 |
0 |
0 |
| ODI |
0 |
84 |
68 |
323 |
326 |
50 |
0 |
0 |
| CDI |
0 |
44 |
43 |
295 |
699 |
796 |
260 |
0 |
| VCDI |
10 |
0 |
7 |
198 |
643 |
3770 |
7044 |
4499 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67567 |
10453 |
212 |
192 |
6 |
0 |
0 |
0 |
| OW |
180 |
902 |
187 |
325 |
79 |
3 |
0 |
0 |
| VODI |
2 |
357 |
159 |
464 |
148 |
24 |
0 |
0 |
| ODI |
0 |
83 |
69 |
327 |
321 |
44 |
0 |
0 |
| CDI |
0 |
39 |
42 |
308 |
712 |
814 |
264 |
0 |
| VCDI |
10 |
0 |
7 |
188 |
632 |
3757 |
7040 |
4499 |
|
Date: 2023-12-30:
| 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 |
67450 |
10261 |
171 |
238 |
14 |
0 |
0 |
0 |
| OW |
155 |
991 |
162 |
243 |
95 |
7 |
0 |
0 |
| VODI |
3 |
451 |
139 |
448 |
170 |
21 |
0 |
0 |
| ODI |
0 |
174 |
52 |
297 |
367 |
61 |
0 |
0 |
| CDI |
0 |
131 |
55 |
287 |
718 |
858 |
406 |
0 |
| VCDI |
0 |
42 |
57 |
281 |
859 |
3551 |
6736 |
4465 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67439 |
10312 |
192 |
242 |
15 |
0 |
0 |
0 |
| OW |
167 |
941 |
144 |
249 |
95 |
7 |
0 |
0 |
| VODI |
2 |
450 |
133 |
427 |
167 |
23 |
0 |
0 |
| ODI |
0 |
172 |
53 |
291 |
349 |
61 |
0 |
0 |
| CDI |
0 |
134 |
65 |
292 |
734 |
852 |
425 |
0 |
| VCDI |
0 |
41 |
49 |
293 |
863 |
3555 |
6717 |
4465 |
|
Date: 2024-01-01:
| 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 |
66196 |
11502 |
162 |
243 |
12 |
0 |
0 |
0 |
| OW |
154 |
1356 |
260 |
276 |
97 |
0 |
0 |
0 |
| VODI |
3 |
241 |
118 |
660 |
247 |
8 |
0 |
0 |
| ODI |
0 |
68 |
45 |
256 |
503 |
51 |
0 |
0 |
| CDI |
0 |
53 |
73 |
379 |
862 |
1236 |
66 |
0 |
| VCDI |
0 |
4 |
5 |
138 |
535 |
2428 |
7842 |
4337 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66193 |
11053 |
147 |
247 |
16 |
0 |
0 |
0 |
| OW |
158 |
974 |
155 |
255 |
116 |
0 |
0 |
0 |
| VODI |
2 |
628 |
125 |
372 |
250 |
6 |
0 |
0 |
| ODI |
0 |
299 |
66 |
330 |
308 |
64 |
0 |
0 |
| CDI |
0 |
201 |
87 |
347 |
797 |
973 |
227 |
0 |
| VCDI |
0 |
69 |
83 |
401 |
769 |
2680 |
7681 |
4337 |
|
Date: 2024-01-03:
| 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 |
65590 |
11701 |
218 |
174 |
0 |
0 |
0 |
0 |
| OW |
260 |
827 |
370 |
500 |
63 |
0 |
0 |
0 |
| VODI |
98 |
214 |
120 |
736 |
197 |
13 |
0 |
0 |
| ODI |
0 |
119 |
40 |
382 |
363 |
46 |
0 |
0 |
| CDI |
0 |
23 |
7 |
313 |
1098 |
978 |
187 |
0 |
| VCDI |
0 |
5 |
0 |
88 |
511 |
2825 |
7635 |
4715 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65639 |
10892 |
197 |
120 |
1 |
0 |
0 |
0 |
| OW |
195 |
1030 |
184 |
382 |
55 |
0 |
0 |
0 |
| VODI |
112 |
541 |
207 |
487 |
146 |
9 |
0 |
0 |
| ODI |
2 |
249 |
83 |
527 |
264 |
46 |
0 |
0 |
| CDI |
0 |
164 |
73 |
493 |
1206 |
628 |
234 |
0 |
| VCDI |
0 |
13 |
11 |
184 |
560 |
3179 |
7588 |
4715 |
|
Date: 2024-01-05:
| 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 |
64248 |
11898 |
329 |
273 |
7 |
0 |
0 |
0 |
| OW |
195 |
751 |
283 |
563 |
106 |
0 |
0 |
0 |
| VODI |
146 |
375 |
154 |
612 |
339 |
24 |
0 |
0 |
| ODI |
53 |
134 |
38 |
319 |
467 |
65 |
0 |
0 |
| CDI |
0 |
133 |
19 |
268 |
862 |
1106 |
419 |
0 |
| VCDI |
0 |
0 |
0 |
80 |
354 |
2652 |
7998 |
5146 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64271 |
10846 |
237 |
250 |
12 |
0 |
0 |
0 |
| OW |
187 |
1219 |
204 |
291 |
121 |
0 |
0 |
0 |
| VODI |
157 |
584 |
183 |
523 |
220 |
31 |
0 |
0 |
| ODI |
27 |
334 |
84 |
410 |
418 |
96 |
0 |
0 |
| CDI |
0 |
272 |
93 |
481 |
978 |
1214 |
473 |
0 |
| VCDI |
0 |
36 |
22 |
160 |
386 |
2506 |
7944 |
5146 |
|
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