Validation of sea ice concentration - European sector
Bulletin date: 2021-04-08
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-04-02:
| 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 |
68195 |
14831 |
166 |
666 |
329 |
17 |
0 |
0 |
| OW |
52 |
606 |
61 |
482 |
267 |
14 |
0 |
0 |
| VODI |
0 |
349 |
33 |
570 |
564 |
103 |
0 |
0 |
| ODI |
0 |
155 |
23 |
291 |
706 |
218 |
0 |
0 |
| CDI |
0 |
126 |
19 |
223 |
827 |
1365 |
125 |
0 |
| VCDI |
0 |
74 |
17 |
303 |
1321 |
3051 |
7592 |
5359 |
|
...date precedes bulletin
|
Date: 2021-04-04:
| 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 |
68651 |
14387 |
140 |
645 |
292 |
13 |
0 |
0 |
| OW |
56 |
763 |
61 |
397 |
251 |
34 |
0 |
0 |
| VODI |
0 |
465 |
47 |
578 |
486 |
113 |
1 |
0 |
| ODI |
0 |
307 |
10 |
290 |
569 |
158 |
10 |
0 |
| CDI |
0 |
217 |
15 |
155 |
708 |
934 |
91 |
0 |
| VCDI |
0 |
198 |
38 |
631 |
1515 |
3473 |
6373 |
6028 |
|
...date precedes bulletin
|
Date: 2021-04-06:
| 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 |
68752 |
15181 |
174 |
799 |
270 |
11 |
0 |
0 |
| OW |
61 |
628 |
56 |
526 |
255 |
15 |
0 |
0 |
| VODI |
0 |
432 |
38 |
361 |
568 |
105 |
0 |
0 |
| ODI |
0 |
191 |
13 |
204 |
635 |
262 |
4 |
0 |
| CDI |
0 |
127 |
18 |
244 |
585 |
1103 |
103 |
0 |
| VCDI |
0 |
28 |
14 |
244 |
1009 |
3245 |
6923 |
5916 |
|
...date precedes bulletin
|
Date: 2021-04-08:
| 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 |
69370 |
15113 |
174 |
928 |
224 |
9 |
0 |
0 |
| OW |
60 |
658 |
41 |
371 |
272 |
9 |
0 |
0 |
| VODI |
0 |
448 |
36 |
318 |
604 |
58 |
0 |
0 |
| ODI |
0 |
250 |
25 |
186 |
553 |
169 |
0 |
0 |
| CDI |
0 |
174 |
19 |
216 |
537 |
1046 |
69 |
0 |
| VCDI |
0 |
278 |
56 |
572 |
1079 |
3758 |
5548 |
5872 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69370 |
15183 |
181 |
968 |
248 |
9 |
0 |
0 |
| OW |
60 |
578 |
37 |
347 |
270 |
6 |
0 |
0 |
| VODI |
0 |
461 |
37 |
310 |
601 |
67 |
0 |
0 |
| ODI |
0 |
251 |
20 |
190 |
543 |
183 |
0 |
0 |
| CDI |
0 |
161 |
25 |
200 |
537 |
1010 |
65 |
0 |
| VCDI |
0 |
287 |
51 |
576 |
1070 |
3774 |
5552 |
5872 |
|
Date: 2021-04-10:
| 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 |
69967 |
14884 |
164 |
807 |
290 |
18 |
0 |
0 |
| OW |
59 |
680 |
45 |
407 |
354 |
14 |
0 |
0 |
| VODI |
0 |
531 |
23 |
323 |
696 |
29 |
0 |
0 |
| ODI |
0 |
318 |
18 |
155 |
494 |
214 |
0 |
0 |
| CDI |
0 |
230 |
11 |
147 |
502 |
1123 |
260 |
0 |
| VCDI |
0 |
427 |
54 |
480 |
851 |
2863 |
6051 |
5611 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69952 |
15002 |
169 |
891 |
340 |
17 |
0 |
0 |
| OW |
74 |
598 |
41 |
366 |
336 |
16 |
0 |
0 |
| VODI |
0 |
509 |
27 |
304 |
682 |
37 |
0 |
0 |
| ODI |
0 |
295 |
15 |
149 |
503 |
212 |
0 |
0 |
| CDI |
0 |
237 |
12 |
135 |
483 |
1105 |
277 |
0 |
| VCDI |
0 |
429 |
51 |
474 |
843 |
2874 |
6034 |
5611 |
|
Date: 2021-04-12:
| 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 |
70465 |
15560 |
158 |
628 |
257 |
13 |
0 |
0 |
| OW |
71 |
544 |
73 |
569 |
269 |
17 |
0 |
0 |
| VODI |
0 |
277 |
38 |
467 |
643 |
29 |
0 |
0 |
| ODI |
0 |
124 |
22 |
252 |
735 |
213 |
0 |
0 |
| CDI |
0 |
79 |
6 |
159 |
713 |
2046 |
492 |
0 |
| VCDI |
0 |
221 |
18 |
194 |
560 |
2759 |
4851 |
5578 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70463 |
14947 |
158 |
842 |
392 |
27 |
0 |
0 |
| OW |
73 |
620 |
47 |
336 |
341 |
9 |
0 |
0 |
| VODI |
0 |
477 |
42 |
307 |
576 |
73 |
0 |
0 |
| ODI |
0 |
234 |
15 |
209 |
380 |
257 |
3 |
0 |
| CDI |
0 |
188 |
22 |
189 |
572 |
1418 |
294 |
0 |
| VCDI |
0 |
339 |
31 |
386 |
916 |
3293 |
5046 |
5578 |
|
Date: 2021-04-14:
| 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 |
70188 |
15521 |
198 |
1117 |
295 |
17 |
0 |
0 |
| OW |
71 |
390 |
56 |
536 |
359 |
24 |
0 |
0 |
| VODI |
0 |
153 |
29 |
452 |
702 |
47 |
2 |
0 |
| ODI |
0 |
29 |
16 |
206 |
610 |
243 |
22 |
0 |
| CDI |
0 |
4 |
2 |
154 |
716 |
1514 |
178 |
0 |
| VCDI |
0 |
6 |
3 |
129 |
1105 |
2843 |
5404 |
5759 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70186 |
14664 |
159 |
983 |
446 |
28 |
0 |
0 |
| OW |
73 |
612 |
43 |
325 |
337 |
26 |
1 |
0 |
| VODI |
0 |
486 |
33 |
378 |
577 |
93 |
4 |
0 |
| ODI |
0 |
186 |
37 |
303 |
392 |
247 |
17 |
0 |
| CDI |
0 |
103 |
14 |
264 |
616 |
1275 |
158 |
0 |
| VCDI |
0 |
52 |
18 |
341 |
1419 |
3019 |
5426 |
5759 |
|
Date: 2021-04-16:
| 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 |
70295 |
15088 |
189 |
1235 |
249 |
14 |
0 |
0 |
| OW |
73 |
395 |
62 |
577 |
355 |
24 |
0 |
0 |
| VODI |
0 |
181 |
35 |
525 |
662 |
58 |
1 |
0 |
| ODI |
0 |
59 |
8 |
177 |
585 |
180 |
19 |
0 |
| CDI |
0 |
29 |
8 |
144 |
603 |
633 |
169 |
0 |
| VCDI |
0 |
0 |
0 |
79 |
1080 |
3223 |
6003 |
6083 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70309 |
14551 |
158 |
1021 |
382 |
18 |
0 |
0 |
| OW |
59 |
501 |
55 |
394 |
329 |
36 |
1 |
0 |
| VODI |
0 |
322 |
49 |
468 |
503 |
132 |
5 |
0 |
| ODI |
0 |
175 |
14 |
316 |
386 |
215 |
30 |
0 |
| CDI |
0 |
116 |
17 |
263 |
564 |
417 |
115 |
0 |
| VCDI |
0 |
87 |
9 |
275 |
1370 |
3314 |
6041 |
6083 |
|
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