Validation of sea ice concentration - European sector
Bulletin date: 2022-04-28
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-04-22:
| 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 |
69289 |
14364 |
150 |
769 |
343 |
36 |
0 |
0 |
| OW |
60 |
384 |
51 |
539 |
463 |
36 |
3 |
0 |
| VODI |
0 |
117 |
32 |
361 |
814 |
127 |
8 |
0 |
| ODI |
0 |
6 |
6 |
113 |
645 |
356 |
17 |
0 |
| CDI |
0 |
0 |
2 |
70 |
779 |
1202 |
207 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
361 |
3257 |
8514 |
5611 |
|
...date precedes bulletin
|
Date: 2022-04-24:
| 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 |
69106 |
14443 |
164 |
888 |
371 |
59 |
0 |
0 |
| OW |
60 |
351 |
46 |
571 |
548 |
44 |
0 |
0 |
| VODI |
0 |
145 |
30 |
344 |
678 |
192 |
0 |
0 |
| ODI |
0 |
6 |
4 |
153 |
543 |
433 |
14 |
0 |
| CDI |
0 |
2 |
1 |
80 |
652 |
1159 |
350 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
300 |
2482 |
8719 |
6150 |
|
...date precedes bulletin
|
Date: 2022-04-26:
| 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 |
68276 |
15204 |
166 |
860 |
422 |
45 |
0 |
0 |
| OW |
64 |
242 |
64 |
554 |
473 |
24 |
0 |
0 |
| VODI |
0 |
32 |
12 |
384 |
970 |
96 |
4 |
0 |
| ODI |
0 |
5 |
1 |
113 |
749 |
364 |
30 |
0 |
| CDI |
0 |
1 |
2 |
32 |
679 |
1484 |
281 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
158 |
2904 |
8372 |
6033 |
|
...date precedes bulletin
|
Date: 2022-04-28:
| 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 |
68421 |
14900 |
173 |
930 |
441 |
53 |
0 |
0 |
| OW |
60 |
264 |
54 |
549 |
534 |
44 |
0 |
0 |
| VODI |
0 |
38 |
18 |
340 |
895 |
179 |
10 |
0 |
| ODI |
0 |
3 |
2 |
115 |
598 |
406 |
22 |
0 |
| CDI |
0 |
0 |
0 |
31 |
747 |
1342 |
329 |
0 |
| VCDI |
0 |
0 |
0 |
17 |
262 |
4338 |
7663 |
5322 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68421 |
14951 |
187 |
1006 |
500 |
50 |
0 |
0 |
| OW |
60 |
210 |
39 |
471 |
477 |
51 |
0 |
0 |
| VODI |
0 |
41 |
19 |
343 |
828 |
165 |
11 |
0 |
| ODI |
0 |
3 |
2 |
116 |
673 |
462 |
30 |
0 |
| CDI |
0 |
0 |
0 |
31 |
741 |
1311 |
301 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
258 |
4323 |
7682 |
5322 |
|
Date: 2022-04-30:
| 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 |
68331 |
14637 |
184 |
1113 |
608 |
51 |
1 |
0 |
| OW |
60 |
316 |
48 |
483 |
584 |
45 |
11 |
0 |
| VODI |
0 |
72 |
23 |
254 |
889 |
245 |
39 |
0 |
| ODI |
0 |
8 |
3 |
86 |
611 |
395 |
43 |
0 |
| CDI |
0 |
7 |
4 |
44 |
790 |
1226 |
293 |
0 |
| VCDI |
0 |
23 |
4 |
49 |
420 |
4298 |
7372 |
5430 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68331 |
14651 |
193 |
1195 |
675 |
59 |
3 |
0 |
| OW |
60 |
304 |
40 |
384 |
519 |
57 |
20 |
0 |
| VODI |
0 |
69 |
21 |
276 |
837 |
204 |
37 |
0 |
| ODI |
0 |
9 |
3 |
84 |
670 |
458 |
44 |
0 |
| CDI |
0 |
7 |
5 |
41 |
775 |
1136 |
323 |
0 |
| VCDI |
0 |
23 |
4 |
49 |
426 |
4346 |
7332 |
5430 |
|
Date: 2022-05-02:
| 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 |
68633 |
14773 |
166 |
876 |
428 |
42 |
0 |
0 |
| OW |
60 |
194 |
55 |
567 |
359 |
44 |
1 |
0 |
| VODI |
0 |
18 |
11 |
374 |
827 |
71 |
12 |
0 |
| ODI |
0 |
8 |
1 |
81 |
1054 |
303 |
31 |
0 |
| CDI |
0 |
15 |
3 |
29 |
746 |
1773 |
198 |
0 |
| VCDI |
0 |
25 |
1 |
57 |
409 |
4257 |
6332 |
6266 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68633 |
14565 |
171 |
1143 |
685 |
80 |
2 |
0 |
| OW |
60 |
317 |
36 |
270 |
522 |
84 |
20 |
0 |
| VODI |
0 |
82 |
15 |
328 |
727 |
229 |
42 |
0 |
| ODI |
0 |
20 |
5 |
103 |
626 |
418 |
54 |
0 |
| CDI |
0 |
7 |
6 |
72 |
726 |
1486 |
427 |
0 |
| VCDI |
0 |
42 |
4 |
68 |
537 |
4193 |
6029 |
6266 |
|
Date: 2022-05-04:
| 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 |
68169 |
15196 |
169 |
1031 |
438 |
77 |
0 |
0 |
| OW |
59 |
135 |
55 |
451 |
443 |
93 |
11 |
0 |
| VODI |
0 |
4 |
5 |
322 |
897 |
175 |
34 |
0 |
| ODI |
0 |
0 |
0 |
90 |
696 |
381 |
76 |
0 |
| CDI |
0 |
7 |
2 |
18 |
716 |
1925 |
296 |
0 |
| VCDI |
0 |
13 |
2 |
62 |
271 |
4073 |
6554 |
6154 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68169 |
14727 |
168 |
1139 |
691 |
153 |
17 |
0 |
| OW |
59 |
424 |
34 |
261 |
437 |
139 |
43 |
0 |
| VODI |
0 |
173 |
18 |
304 |
723 |
259 |
60 |
0 |
| ODI |
0 |
11 |
9 |
129 |
592 |
488 |
75 |
0 |
| CDI |
0 |
0 |
0 |
45 |
652 |
1788 |
370 |
0 |
| VCDI |
0 |
20 |
4 |
96 |
366 |
3897 |
6406 |
6154 |
|
Date: 2022-05-06:
| 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 |
68693 |
14918 |
170 |
818 |
482 |
86 |
1 |
0 |
| OW |
59 |
220 |
52 |
509 |
378 |
89 |
20 |
0 |
| VODI |
0 |
31 |
21 |
307 |
776 |
204 |
44 |
0 |
| ODI |
0 |
0 |
0 |
120 |
667 |
421 |
92 |
0 |
| CDI |
0 |
4 |
2 |
25 |
670 |
2171 |
319 |
0 |
| VCDI |
0 |
6 |
2 |
62 |
223 |
3746 |
6462 |
6230 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68681 |
14555 |
177 |
1014 |
741 |
175 |
25 |
0 |
| OW |
71 |
342 |
34 |
287 |
429 |
146 |
48 |
0 |
| VODI |
0 |
266 |
24 |
256 |
615 |
352 |
69 |
0 |
| ODI |
0 |
6 |
8 |
161 |
429 |
568 |
91 |
0 |
| CDI |
0 |
0 |
0 |
41 |
643 |
1531 |
323 |
0 |
| VCDI |
0 |
10 |
4 |
82 |
339 |
3945 |
6382 |
6230 |
|
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