Validation of sea ice concentration - European sector
Bulletin date: 2023-05-18
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-05-12:
| 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 |
70801 |
14659 |
615 |
856 |
160 |
39 |
0 |
0 |
| OW |
64 |
90 |
131 |
594 |
175 |
23 |
1 |
0 |
| VODI |
0 |
14 |
30 |
550 |
519 |
66 |
0 |
0 |
| ODI |
0 |
1 |
3 |
176 |
757 |
270 |
4 |
0 |
| CDI |
0 |
0 |
0 |
38 |
1221 |
1547 |
554 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
143 |
3512 |
5531 |
5956 |
|
...date precedes bulletin
|
Date: 2023-05-14:
| 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 |
70165 |
14947 |
701 |
1133 |
175 |
63 |
9 |
0 |
| OW |
59 |
89 |
105 |
600 |
248 |
28 |
2 |
0 |
| VODI |
0 |
21 |
20 |
398 |
662 |
105 |
4 |
0 |
| ODI |
0 |
0 |
1 |
117 |
637 |
268 |
67 |
0 |
| CDI |
0 |
0 |
0 |
33 |
916 |
1500 |
760 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
268 |
3396 |
5749 |
5854 |
|
...date precedes bulletin
|
Date: 2023-05-16:
| 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 |
70411 |
15211 |
692 |
993 |
152 |
49 |
2 |
0 |
| OW |
58 |
19 |
72 |
671 |
161 |
16 |
7 |
0 |
| VODI |
0 |
5 |
3 |
447 |
674 |
37 |
7 |
0 |
| ODI |
0 |
0 |
0 |
121 |
826 |
130 |
10 |
0 |
| CDI |
0 |
0 |
0 |
19 |
1214 |
1898 |
321 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
96 |
2533 |
6590 |
5655 |
|
...date precedes bulletin
|
Date: 2023-05-18:
| 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 |
70707 |
14876 |
715 |
1170 |
218 |
53 |
0 |
0 |
| OW |
62 |
24 |
51 |
569 |
331 |
33 |
0 |
0 |
| VODI |
0 |
2 |
2 |
361 |
664 |
68 |
11 |
0 |
| ODI |
0 |
0 |
0 |
98 |
720 |
171 |
28 |
0 |
| CDI |
0 |
0 |
0 |
28 |
985 |
2530 |
575 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
215 |
2362 |
5797 |
5672 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70707 |
14877 |
716 |
1247 |
258 |
57 |
0 |
0 |
| OW |
62 |
23 |
50 |
523 |
343 |
34 |
0 |
0 |
| VODI |
0 |
2 |
2 |
325 |
631 |
60 |
11 |
0 |
| ODI |
0 |
0 |
0 |
96 |
693 |
172 |
39 |
0 |
| CDI |
0 |
0 |
0 |
35 |
939 |
2331 |
533 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
269 |
2563 |
5828 |
5672 |
|
Date: 2023-05-20:
| 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 |
70614 |
14969 |
749 |
1209 |
342 |
42 |
18 |
0 |
| OW |
62 |
22 |
63 |
614 |
403 |
47 |
7 |
0 |
| VODI |
0 |
0 |
12 |
339 |
598 |
102 |
14 |
0 |
| ODI |
0 |
0 |
0 |
120 |
698 |
190 |
28 |
0 |
| CDI |
0 |
0 |
0 |
46 |
1413 |
2202 |
491 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
311 |
2836 |
5231 |
5308 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70614 |
14972 |
754 |
1322 |
471 |
49 |
22 |
0 |
| OW |
62 |
19 |
58 |
512 |
322 |
46 |
3 |
0 |
| VODI |
0 |
0 |
12 |
329 |
578 |
98 |
15 |
0 |
| ODI |
0 |
0 |
0 |
119 |
692 |
173 |
37 |
0 |
| CDI |
0 |
0 |
0 |
46 |
1281 |
2086 |
509 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
421 |
2967 |
5203 |
5308 |
|
Date: 2023-05-22:
| 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 |
71310 |
14377 |
748 |
1141 |
309 |
40 |
0 |
0 |
| OW |
57 |
17 |
72 |
699 |
327 |
26 |
0 |
0 |
| VODI |
0 |
0 |
0 |
465 |
667 |
50 |
1 |
0 |
| ODI |
0 |
0 |
0 |
91 |
1362 |
111 |
17 |
0 |
| CDI |
0 |
0 |
0 |
21 |
1406 |
3193 |
236 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
192 |
1343 |
8314 |
2508 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71310 |
14333 |
725 |
1497 |
648 |
80 |
0 |
0 |
| OW |
57 |
54 |
60 |
423 |
334 |
49 |
9 |
0 |
| VODI |
0 |
7 |
32 |
224 |
577 |
107 |
23 |
0 |
| ODI |
0 |
0 |
3 |
162 |
610 |
244 |
64 |
0 |
| CDI |
0 |
0 |
0 |
111 |
1336 |
1859 |
738 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
758 |
2424 |
7734 |
2508 |
|
Date: 2023-05-24:
| 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 |
71534 |
14384 |
713 |
1385 |
443 |
9 |
0 |
0 |
| OW |
54 |
22 |
40 |
683 |
316 |
15 |
0 |
0 |
| VODI |
0 |
2 |
13 |
410 |
639 |
56 |
0 |
0 |
| ODI |
0 |
0 |
3 |
170 |
1116 |
177 |
21 |
0 |
| CDI |
0 |
0 |
0 |
152 |
1536 |
2791 |
565 |
0 |
| VCDI |
0 |
0 |
0 |
98 |
201 |
1740 |
6967 |
2845 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71533 |
14259 |
654 |
1575 |
741 |
44 |
0 |
0 |
| OW |
55 |
89 |
51 |
369 |
372 |
39 |
6 |
0 |
| VODI |
0 |
51 |
34 |
329 |
468 |
128 |
28 |
0 |
| ODI |
0 |
9 |
28 |
175 |
570 |
348 |
108 |
0 |
| CDI |
0 |
0 |
2 |
253 |
1390 |
1572 |
719 |
0 |
| VCDI |
0 |
0 |
0 |
197 |
710 |
2657 |
6692 |
2845 |
|
Date: 2023-05-26:
| 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 |
72052 |
14081 |
695 |
1520 |
416 |
13 |
0 |
0 |
| OW |
59 |
67 |
35 |
591 |
316 |
37 |
0 |
0 |
| VODI |
0 |
62 |
8 |
340 |
641 |
63 |
8 |
0 |
| ODI |
0 |
70 |
10 |
137 |
982 |
273 |
39 |
0 |
| CDI |
0 |
46 |
26 |
130 |
1448 |
2307 |
829 |
0 |
| VCDI |
0 |
12 |
31 |
128 |
220 |
1965 |
5879 |
3564 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72051 |
13825 |
655 |
1598 |
698 |
72 |
1 |
0 |
| OW |
60 |
120 |
43 |
390 |
297 |
52 |
18 |
0 |
| VODI |
0 |
125 |
10 |
341 |
464 |
149 |
60 |
0 |
| ODI |
0 |
96 |
14 |
158 |
712 |
346 |
194 |
0 |
| CDI |
0 |
129 |
35 |
167 |
1341 |
1717 |
613 |
0 |
| VCDI |
0 |
43 |
48 |
192 |
511 |
2322 |
5869 |
3564 |
|
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