Validation of sea ice concentration - European sector
Bulletin date: 2020-04-23
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-04-17:
| 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 |
69973 |
14778 |
211 |
1389 |
498 |
2 |
0 |
0 |
| OW |
71 |
234 |
50 |
473 |
537 |
50 |
0 |
0 |
| VODI |
0 |
28 |
12 |
302 |
1035 |
184 |
16 |
0 |
| ODI |
0 |
0 |
1 |
65 |
561 |
265 |
32 |
0 |
| CDI |
0 |
0 |
0 |
11 |
598 |
755 |
158 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
430 |
2584 |
7961 |
5836 |
|
...date precedes bulletin
|
Date: 2020-04-19:
| 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 |
69904 |
14707 |
246 |
1472 |
456 |
23 |
0 |
0 |
| OW |
69 |
261 |
47 |
745 |
547 |
36 |
0 |
0 |
| VODI |
1 |
38 |
15 |
469 |
794 |
158 |
1 |
0 |
| ODI |
0 |
0 |
1 |
74 |
602 |
271 |
10 |
0 |
| CDI |
0 |
0 |
0 |
16 |
613 |
1200 |
220 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
453 |
3195 |
6934 |
5518 |
|
...date precedes bulletin
|
Date: 2020-04-21:
| 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 |
69697 |
14915 |
244 |
1625 |
582 |
1 |
0 |
0 |
| OW |
62 |
114 |
43 |
829 |
639 |
11 |
0 |
0 |
| VODI |
0 |
7 |
9 |
335 |
726 |
104 |
5 |
0 |
| ODI |
0 |
0 |
0 |
40 |
757 |
340 |
42 |
0 |
| CDI |
0 |
0 |
0 |
12 |
819 |
1346 |
153 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
298 |
3404 |
6885 |
5050 |
|
...date precedes bulletin
|
Date: 2020-04-23:
| 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 |
69630 |
15065 |
261 |
2040 |
652 |
2 |
0 |
0 |
| OW |
65 |
98 |
35 |
422 |
632 |
39 |
1 |
0 |
| VODI |
0 |
0 |
3 |
204 |
683 |
128 |
19 |
0 |
| ODI |
0 |
0 |
0 |
58 |
539 |
380 |
60 |
0 |
| CDI |
0 |
0 |
0 |
28 |
666 |
1413 |
248 |
0 |
| VCDI |
0 |
0 |
0 |
27 |
412 |
3356 |
6189 |
5745 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69630 |
15088 |
268 |
2062 |
745 |
5 |
0 |
0 |
| OW |
65 |
75 |
31 |
422 |
533 |
22 |
0 |
0 |
| VODI |
0 |
0 |
0 |
189 |
696 |
153 |
18 |
0 |
| ODI |
0 |
0 |
0 |
44 |
536 |
389 |
58 |
0 |
| CDI |
0 |
0 |
0 |
37 |
632 |
1369 |
229 |
0 |
| VCDI |
0 |
0 |
0 |
25 |
442 |
3380 |
6212 |
5745 |
|
Date: 2020-04-25:
| 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 |
70087 |
15221 |
268 |
1819 |
653 |
8 |
0 |
0 |
| OW |
67 |
159 |
35 |
372 |
515 |
57 |
4 |
0 |
| VODI |
0 |
23 |
17 |
235 |
535 |
200 |
10 |
0 |
| ODI |
0 |
8 |
5 |
128 |
463 |
300 |
67 |
0 |
| CDI |
0 |
11 |
2 |
72 |
786 |
1290 |
274 |
0 |
| VCDI |
0 |
8 |
2 |
38 |
779 |
3123 |
5739 |
5720 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70087 |
15272 |
270 |
1880 |
720 |
9 |
0 |
0 |
| OW |
67 |
117 |
36 |
324 |
458 |
49 |
0 |
0 |
| VODI |
0 |
14 |
17 |
228 |
525 |
229 |
27 |
0 |
| ODI |
0 |
8 |
2 |
120 |
472 |
286 |
51 |
0 |
| CDI |
0 |
10 |
2 |
72 |
807 |
1295 |
254 |
0 |
| VCDI |
0 |
9 |
2 |
40 |
749 |
3110 |
5762 |
5720 |
|
Date: 2020-04-27:
| 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 |
70283 |
14971 |
227 |
1786 |
438 |
19 |
0 |
0 |
| OW |
65 |
153 |
58 |
473 |
473 |
41 |
0 |
0 |
| VODI |
0 |
27 |
11 |
275 |
768 |
87 |
2 |
0 |
| ODI |
0 |
9 |
2 |
47 |
998 |
337 |
27 |
0 |
| CDI |
0 |
9 |
2 |
11 |
842 |
1627 |
277 |
0 |
| VCDI |
0 |
3 |
4 |
31 |
274 |
2835 |
6453 |
5155 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70283 |
15009 |
250 |
1990 |
856 |
36 |
0 |
0 |
| OW |
65 |
89 |
23 |
287 |
507 |
113 |
1 |
0 |
| VODI |
0 |
14 |
13 |
149 |
525 |
247 |
40 |
0 |
| ODI |
0 |
22 |
6 |
96 |
502 |
307 |
58 |
0 |
| CDI |
0 |
14 |
3 |
49 |
958 |
1230 |
355 |
0 |
| VCDI |
0 |
24 |
9 |
52 |
445 |
3013 |
6305 |
5155 |
|
Date: 2020-04-29:
| 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 |
69945 |
15278 |
242 |
2014 |
725 |
19 |
0 |
0 |
| OW |
64 |
55 |
29 |
319 |
616 |
65 |
0 |
0 |
| VODI |
0 |
18 |
6 |
155 |
738 |
307 |
8 |
0 |
| ODI |
0 |
6 |
2 |
33 |
762 |
550 |
36 |
0 |
| CDI |
0 |
6 |
1 |
31 |
792 |
1580 |
415 |
0 |
| VCDI |
0 |
0 |
2 |
28 |
168 |
3687 |
6967 |
3431 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69944 |
15288 |
240 |
2052 |
1141 |
77 |
0 |
0 |
| OW |
65 |
44 |
22 |
232 |
456 |
149 |
2 |
0 |
| VODI |
0 |
1 |
9 |
138 |
449 |
396 |
21 |
0 |
| ODI |
0 |
4 |
2 |
73 |
516 |
351 |
68 |
0 |
| CDI |
0 |
11 |
4 |
32 |
921 |
1318 |
395 |
0 |
| VCDI |
0 |
15 |
5 |
53 |
318 |
3917 |
6940 |
3431 |
|
Date: 2020-05-01:
| 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 |
70345 |
15154 |
251 |
2044 |
775 |
12 |
0 |
0 |
| OW |
63 |
22 |
17 |
235 |
737 |
77 |
1 |
0 |
| VODI |
0 |
15 |
7 |
97 |
709 |
431 |
15 |
0 |
| ODI |
0 |
13 |
4 |
41 |
569 |
685 |
48 |
0 |
| CDI |
0 |
9 |
3 |
19 |
515 |
1969 |
504 |
0 |
| VCDI |
0 |
10 |
3 |
35 |
140 |
2767 |
7369 |
3390 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70345 |
15102 |
237 |
2006 |
1213 |
75 |
1 |
0 |
| OW |
63 |
67 |
22 |
204 |
397 |
212 |
3 |
0 |
| VODI |
0 |
7 |
11 |
115 |
494 |
405 |
19 |
0 |
| ODI |
0 |
0 |
1 |
51 |
438 |
404 |
74 |
0 |
| CDI |
0 |
7 |
3 |
35 |
661 |
1753 |
254 |
0 |
| VCDI |
0 |
40 |
11 |
60 |
242 |
3092 |
7586 |
3390 |
|
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