Validation of sea ice concentration - European sector
Bulletin date: 2021-05-06
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-04-30:
| 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 |
71665 |
14961 |
166 |
946 |
533 |
84 |
0 |
0 |
| OW |
71 |
303 |
91 |
610 |
314 |
65 |
0 |
0 |
| VODI |
0 |
52 |
25 |
435 |
522 |
78 |
15 |
0 |
| ODI |
0 |
9 |
1 |
175 |
590 |
180 |
43 |
0 |
| CDI |
0 |
0 |
0 |
70 |
829 |
1287 |
403 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
261 |
2557 |
5891 |
5868 |
|
...date precedes bulletin
|
Date: 2021-05-02:
| 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 |
72108 |
15035 |
164 |
836 |
349 |
126 |
6 |
0 |
| OW |
67 |
364 |
92 |
620 |
202 |
48 |
17 |
0 |
| VODI |
0 |
99 |
31 |
422 |
489 |
64 |
52 |
0 |
| ODI |
0 |
8 |
12 |
173 |
551 |
181 |
58 |
0 |
| CDI |
0 |
0 |
0 |
58 |
641 |
1364 |
654 |
0 |
| VCDI |
0 |
0 |
0 |
19 |
371 |
2004 |
5538 |
6277 |
|
...date precedes bulletin
|
Date: 2021-05-04:
| 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 |
72454 |
15109 |
190 |
882 |
310 |
99 |
0 |
0 |
| OW |
67 |
243 |
65 |
528 |
223 |
40 |
0 |
0 |
| VODI |
0 |
40 |
29 |
375 |
532 |
77 |
0 |
0 |
| ODI |
0 |
0 |
1 |
154 |
653 |
203 |
8 |
0 |
| CDI |
0 |
0 |
0 |
27 |
753 |
1603 |
243 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
187 |
2158 |
6356 |
5479 |
|
...date precedes bulletin
|
Date: 2021-05-06:
| 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 |
72525 |
14997 |
188 |
927 |
304 |
98 |
0 |
0 |
| OW |
65 |
222 |
30 |
564 |
269 |
42 |
11 |
0 |
| VODI |
0 |
55 |
32 |
312 |
583 |
63 |
25 |
0 |
| ODI |
0 |
1 |
1 |
170 |
565 |
177 |
52 |
0 |
| CDI |
0 |
0 |
0 |
39 |
763 |
1507 |
573 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
150 |
1714 |
5887 |
6174 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72525 |
15038 |
191 |
1039 |
348 |
101 |
0 |
0 |
| OW |
65 |
183 |
30 |
445 |
243 |
37 |
12 |
0 |
| VODI |
0 |
53 |
28 |
328 |
582 |
70 |
25 |
0 |
| ODI |
0 |
1 |
2 |
164 |
540 |
174 |
51 |
0 |
| CDI |
0 |
0 |
0 |
36 |
776 |
1432 |
567 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
145 |
1787 |
5893 |
6174 |
|
Date: 2021-05-08:
| 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 |
72505 |
15089 |
196 |
887 |
324 |
94 |
5 |
0 |
| OW |
64 |
277 |
39 |
516 |
285 |
41 |
21 |
0 |
| VODI |
0 |
60 |
23 |
309 |
546 |
87 |
28 |
0 |
| ODI |
0 |
9 |
5 |
144 |
518 |
216 |
69 |
0 |
| CDI |
0 |
2 |
0 |
16 |
680 |
1822 |
837 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
170 |
1841 |
4956 |
6419 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72505 |
15123 |
202 |
1033 |
358 |
94 |
9 |
0 |
| OW |
64 |
241 |
35 |
357 |
274 |
41 |
16 |
0 |
| VODI |
0 |
63 |
22 |
332 |
519 |
90 |
33 |
0 |
| ODI |
0 |
8 |
4 |
138 |
514 |
227 |
59 |
0 |
| CDI |
0 |
2 |
0 |
12 |
675 |
1766 |
760 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
183 |
1883 |
5039 |
6419 |
|
Date: 2021-05-10:
| 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 |
72988 |
15030 |
161 |
703 |
293 |
63 |
0 |
0 |
| OW |
63 |
304 |
69 |
470 |
111 |
50 |
0 |
0 |
| VODI |
0 |
52 |
22 |
520 |
441 |
63 |
6 |
0 |
| ODI |
0 |
1 |
2 |
149 |
798 |
89 |
6 |
0 |
| CDI |
0 |
0 |
0 |
28 |
813 |
2238 |
448 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
229 |
2151 |
5107 |
5617 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72988 |
15009 |
182 |
865 |
323 |
94 |
0 |
0 |
| OW |
63 |
266 |
43 |
384 |
250 |
56 |
1 |
0 |
| VODI |
0 |
105 |
25 |
325 |
473 |
108 |
12 |
0 |
| ODI |
0 |
6 |
4 |
210 |
504 |
216 |
57 |
0 |
| CDI |
0 |
1 |
0 |
65 |
772 |
1689 |
619 |
0 |
| VCDI |
0 |
0 |
0 |
36 |
363 |
2491 |
4878 |
5617 |
|
Date: 2021-05-12:
| 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 |
72651 |
15196 |
182 |
984 |
364 |
72 |
0 |
0 |
| OW |
63 |
165 |
41 |
461 |
219 |
64 |
0 |
0 |
| VODI |
0 |
30 |
17 |
348 |
496 |
91 |
2 |
0 |
| ODI |
0 |
7 |
5 |
141 |
687 |
163 |
21 |
0 |
| CDI |
0 |
14 |
2 |
43 |
1030 |
2074 |
477 |
0 |
| VCDI |
0 |
18 |
5 |
47 |
237 |
3238 |
4759 |
4686 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72651 |
15051 |
184 |
1126 |
506 |
107 |
0 |
0 |
| OW |
63 |
247 |
30 |
291 |
371 |
82 |
0 |
0 |
| VODI |
0 |
82 |
23 |
309 |
463 |
152 |
12 |
0 |
| ODI |
0 |
13 |
5 |
157 |
488 |
272 |
52 |
0 |
| CDI |
0 |
1 |
1 |
56 |
849 |
1784 |
518 |
0 |
| VCDI |
0 |
36 |
9 |
85 |
356 |
3305 |
4677 |
4686 |
|
Date: 2021-05-14:
| 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 |
72526 |
15179 |
209 |
1188 |
336 |
97 |
0 |
0 |
| OW |
62 |
110 |
28 |
412 |
353 |
69 |
5 |
0 |
| VODI |
0 |
33 |
10 |
266 |
548 |
74 |
21 |
0 |
| ODI |
0 |
2 |
6 |
140 |
642 |
262 |
50 |
0 |
| CDI |
0 |
30 |
5 |
88 |
1377 |
1797 |
354 |
0 |
| VCDI |
0 |
15 |
5 |
80 |
353 |
3528 |
5799 |
3041 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72526 |
15065 |
192 |
1198 |
542 |
148 |
1 |
0 |
| OW |
62 |
194 |
34 |
300 |
405 |
80 |
16 |
0 |
| VODI |
0 |
51 |
21 |
328 |
437 |
166 |
39 |
0 |
| ODI |
0 |
10 |
1 |
139 |
518 |
287 |
89 |
0 |
| CDI |
0 |
3 |
4 |
76 |
1400 |
1743 |
380 |
0 |
| VCDI |
0 |
46 |
11 |
133 |
307 |
3403 |
5704 |
3041 |
|
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