Validation of sea ice concentration - European sector
Bulletin date: 2023-04-20
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-04-14:
| 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 |
66960 |
16360 |
684 |
1198 |
326 |
35 |
4 |
0 |
| OW |
52 |
149 |
115 |
416 |
367 |
57 |
13 |
0 |
| VODI |
0 |
53 |
66 |
344 |
479 |
145 |
26 |
0 |
| ODI |
0 |
21 |
22 |
163 |
469 |
247 |
47 |
0 |
| CDI |
0 |
13 |
13 |
121 |
473 |
1167 |
597 |
0 |
| VCDI |
0 |
4 |
3 |
38 |
377 |
4278 |
6914 |
6284 |
|
...date precedes bulletin
|
Date: 2023-04-16:
| 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 |
67408 |
16002 |
664 |
1254 |
389 |
41 |
6 |
0 |
| OW |
52 |
163 |
106 |
423 |
277 |
89 |
11 |
0 |
| VODI |
0 |
90 |
71 |
362 |
408 |
146 |
19 |
0 |
| ODI |
0 |
27 |
38 |
175 |
415 |
251 |
43 |
0 |
| CDI |
0 |
15 |
6 |
137 |
539 |
1135 |
561 |
0 |
| VCDI |
0 |
6 |
0 |
37 |
486 |
4961 |
7058 |
5229 |
|
...date precedes bulletin
|
Date: 2023-04-18:
| 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 |
67967 |
15766 |
708 |
1287 |
252 |
29 |
0 |
0 |
| OW |
51 |
141 |
114 |
561 |
271 |
36 |
0 |
0 |
| VODI |
0 |
45 |
42 |
343 |
579 |
53 |
1 |
0 |
| ODI |
0 |
8 |
14 |
131 |
609 |
216 |
27 |
0 |
| CDI |
0 |
5 |
4 |
77 |
562 |
1129 |
324 |
0 |
| VCDI |
0 |
16 |
2 |
17 |
356 |
4278 |
7320 |
5759 |
|
...date precedes bulletin
|
Date: 2023-04-20:
| 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 |
67671 |
16030 |
721 |
1291 |
285 |
30 |
27 |
0 |
| OW |
51 |
229 |
71 |
455 |
402 |
21 |
6 |
0 |
| VODI |
0 |
53 |
46 |
250 |
634 |
107 |
3 |
0 |
| ODI |
0 |
10 |
14 |
131 |
484 |
374 |
15 |
0 |
| CDI |
0 |
18 |
4 |
86 |
542 |
1019 |
351 |
0 |
| VCDI |
0 |
9 |
0 |
23 |
568 |
3926 |
7262 |
5881 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67671 |
16169 |
738 |
1334 |
307 |
33 |
27 |
0 |
| OW |
51 |
100 |
60 |
418 |
388 |
21 |
6 |
0 |
| VODI |
0 |
41 |
43 |
244 |
583 |
107 |
3 |
0 |
| ODI |
0 |
11 |
11 |
130 |
500 |
364 |
22 |
0 |
| CDI |
0 |
17 |
4 |
87 |
532 |
971 |
374 |
0 |
| VCDI |
0 |
11 |
0 |
23 |
605 |
3981 |
7232 |
5881 |
|
Date: 2023-04-22:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2023-04-24:
| 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 |
67495 |
15902 |
702 |
1354 |
458 |
88 |
14 |
0 |
| OW |
60 |
117 |
90 |
414 |
503 |
91 |
1 |
0 |
| VODI |
0 |
37 |
36 |
251 |
533 |
233 |
20 |
0 |
| ODI |
0 |
17 |
7 |
119 |
461 |
445 |
60 |
0 |
| CDI |
0 |
11 |
2 |
90 |
473 |
1240 |
542 |
0 |
| VCDI |
0 |
2 |
0 |
42 |
620 |
4109 |
6360 |
6101 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67495 |
15886 |
718 |
1427 |
604 |
96 |
14 |
0 |
| OW |
60 |
120 |
66 |
314 |
440 |
96 |
1 |
0 |
| VODI |
0 |
44 |
42 |
233 |
481 |
214 |
20 |
0 |
| ODI |
0 |
18 |
9 |
142 |
411 |
431 |
54 |
0 |
| CDI |
0 |
13 |
2 |
101 |
473 |
1290 |
562 |
0 |
| VCDI |
0 |
5 |
0 |
53 |
639 |
4079 |
6346 |
6101 |
|
Date: 2023-04-26:
| 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 |
67309 |
16120 |
707 |
1433 |
481 |
127 |
11 |
0 |
| OW |
59 |
113 |
63 |
370 |
484 |
83 |
1 |
0 |
| VODI |
0 |
47 |
38 |
218 |
615 |
220 |
40 |
0 |
| ODI |
0 |
23 |
13 |
123 |
491 |
424 |
70 |
0 |
| CDI |
0 |
17 |
1 |
84 |
395 |
1282 |
618 |
0 |
| VCDI |
0 |
0 |
0 |
74 |
624 |
3424 |
6789 |
6109 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67309 |
16057 |
714 |
1480 |
581 |
133 |
11 |
0 |
| OW |
59 |
124 |
54 |
324 |
451 |
80 |
3 |
0 |
| VODI |
0 |
79 |
35 |
194 |
563 |
209 |
35 |
0 |
| ODI |
0 |
35 |
18 |
126 |
470 |
380 |
62 |
0 |
| CDI |
0 |
25 |
1 |
88 |
396 |
1391 |
583 |
0 |
| VCDI |
0 |
0 |
0 |
90 |
629 |
3367 |
6835 |
6109 |
|
Date: 2023-04-28:
| 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 |
67390 |
16311 |
737 |
1372 |
404 |
123 |
10 |
0 |
| OW |
59 |
128 |
55 |
452 |
448 |
79 |
0 |
0 |
| VODI |
0 |
71 |
31 |
260 |
611 |
212 |
35 |
0 |
| ODI |
0 |
24 |
27 |
125 |
444 |
374 |
76 |
0 |
| CDI |
0 |
12 |
4 |
119 |
393 |
1119 |
506 |
0 |
| VCDI |
0 |
0 |
0 |
105 |
662 |
3866 |
6861 |
5595 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67390 |
16261 |
715 |
1425 |
475 |
126 |
9 |
0 |
| OW |
59 |
157 |
68 |
370 |
438 |
67 |
7 |
0 |
| VODI |
0 |
85 |
43 |
242 |
584 |
175 |
25 |
0 |
| ODI |
0 |
20 |
22 |
154 |
377 |
344 |
54 |
0 |
| CDI |
0 |
23 |
6 |
141 |
411 |
1255 |
604 |
0 |
| VCDI |
0 |
0 |
0 |
101 |
677 |
3806 |
6789 |
5595 |
|
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