Validation of sea ice concentration - European sector
Bulletin date: 2024-05-02
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-04-26:
| 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 |
57990 |
12530 |
81 |
46 |
2 |
0 |
0 |
0 |
| OW |
764 |
1901 |
217 |
241 |
30 |
5 |
2 |
0 |
| VODI |
1818 |
697 |
219 |
680 |
324 |
86 |
11 |
0 |
| ODI |
1782 |
312 |
119 |
424 |
595 |
252 |
53 |
0 |
| CDI |
0 |
470 |
134 |
517 |
1224 |
2323 |
1536 |
0 |
| VCDI |
0 |
67 |
59 |
277 |
401 |
1838 |
8830 |
4005 |
|
...date precedes bulletin
|
Date: 2024-04-28:
| 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 |
57870 |
12619 |
48 |
33 |
7 |
0 |
0 |
0 |
| OW |
763 |
1866 |
206 |
268 |
79 |
31 |
8 |
0 |
| VODI |
1828 |
884 |
275 |
554 |
237 |
90 |
34 |
0 |
| ODI |
1765 |
362 |
155 |
499 |
584 |
235 |
71 |
0 |
| CDI |
0 |
417 |
211 |
691 |
1517 |
2694 |
1671 |
0 |
| VCDI |
0 |
56 |
24 |
102 |
409 |
2273 |
8619 |
2807 |
|
...date precedes bulletin
|
Date: 2024-04-30:
| 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 |
57887 |
13267 |
78 |
45 |
3 |
0 |
0 |
0 |
| OW |
819 |
2248 |
298 |
280 |
45 |
1 |
0 |
0 |
| VODI |
1868 |
489 |
329 |
781 |
331 |
48 |
7 |
0 |
| ODI |
1717 |
222 |
155 |
602 |
911 |
336 |
75 |
0 |
| CDI |
0 |
46 |
29 |
282 |
1442 |
3668 |
1842 |
0 |
| VCDI |
0 |
19 |
22 |
43 |
167 |
1504 |
6993 |
3963 |
|
...date precedes bulletin
|
Date: 2024-05-02:
| 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 |
59045 |
12234 |
113 |
67 |
11 |
0 |
0 |
0 |
| OW |
875 |
2072 |
292 |
300 |
47 |
10 |
0 |
0 |
| VODI |
1885 |
570 |
300 |
694 |
343 |
64 |
5 |
0 |
| ODI |
1698 |
170 |
129 |
560 |
818 |
320 |
96 |
0 |
| CDI |
0 |
58 |
45 |
395 |
1670 |
3588 |
1993 |
1 |
| VCDI |
0 |
38 |
22 |
58 |
157 |
1317 |
6217 |
4585 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59054 |
12319 |
127 |
74 |
13 |
0 |
0 |
0 |
| OW |
866 |
1971 |
266 |
277 |
46 |
11 |
0 |
0 |
| VODI |
1886 |
570 |
317 |
694 |
344 |
67 |
6 |
0 |
| ODI |
1697 |
182 |
108 |
544 |
825 |
328 |
90 |
0 |
| CDI |
0 |
63 |
61 |
414 |
1653 |
3581 |
2090 |
1 |
| VCDI |
0 |
37 |
22 |
71 |
165 |
1312 |
6125 |
4585 |
|
Date: 2024-05-04:
| 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 |
59544 |
12131 |
92 |
86 |
4 |
0 |
0 |
0 |
| OW |
873 |
2071 |
224 |
234 |
64 |
13 |
0 |
0 |
| VODI |
1892 |
743 |
296 |
587 |
294 |
71 |
15 |
0 |
| ODI |
1686 |
159 |
131 |
471 |
690 |
225 |
41 |
0 |
| CDI |
0 |
71 |
57 |
321 |
1627 |
3636 |
1820 |
0 |
| VCDI |
0 |
23 |
13 |
58 |
179 |
1474 |
6241 |
4705 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59551 |
12189 |
103 |
102 |
13 |
0 |
0 |
0 |
| OW |
866 |
2002 |
204 |
209 |
62 |
18 |
2 |
0 |
| VODI |
1893 |
751 |
304 |
588 |
281 |
71 |
13 |
0 |
| ODI |
1685 |
155 |
128 |
465 |
728 |
230 |
45 |
0 |
| CDI |
0 |
77 |
60 |
330 |
1588 |
3578 |
1832 |
1 |
| VCDI |
0 |
24 |
14 |
63 |
186 |
1522 |
6225 |
4704 |
|
Date: 2024-05-06:
| 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 |
60229 |
12498 |
80 |
55 |
5 |
0 |
0 |
0 |
| OW |
774 |
1941 |
253 |
206 |
30 |
3 |
0 |
0 |
| VODI |
1809 |
354 |
352 |
777 |
378 |
56 |
5 |
0 |
| ODI |
1884 |
23 |
49 |
433 |
891 |
421 |
29 |
0 |
| CDI |
0 |
35 |
13 |
124 |
1038 |
3531 |
1275 |
0 |
| VCDI |
0 |
0 |
0 |
36 |
135 |
1112 |
7432 |
4596 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60249 |
11674 |
78 |
58 |
11 |
1 |
0 |
0 |
| OW |
874 |
2097 |
183 |
171 |
37 |
15 |
0 |
0 |
| VODI |
1904 |
793 |
274 |
543 |
287 |
81 |
23 |
0 |
| ODI |
1669 |
194 |
139 |
390 |
609 |
339 |
76 |
0 |
| CDI |
0 |
84 |
68 |
399 |
1237 |
3052 |
2438 |
0 |
| VCDI |
0 |
9 |
5 |
70 |
296 |
1635 |
6204 |
4596 |
|
Date: 2024-05-08:
| 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 |
60277 |
12521 |
60 |
55 |
1 |
0 |
0 |
0 |
| OW |
779 |
1921 |
225 |
223 |
54 |
1 |
0 |
0 |
| VODI |
1816 |
455 |
296 |
675 |
338 |
67 |
8 |
0 |
| ODI |
1873 |
31 |
72 |
441 |
740 |
318 |
75 |
0 |
| CDI |
0 |
82 |
36 |
220 |
1440 |
3129 |
1708 |
0 |
| VCDI |
0 |
11 |
13 |
64 |
242 |
1967 |
8681 |
1947 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60318 |
11726 |
58 |
58 |
7 |
0 |
0 |
0 |
| OW |
857 |
1972 |
158 |
143 |
49 |
26 |
8 |
0 |
| VODI |
1911 |
862 |
241 |
453 |
278 |
64 |
29 |
0 |
| ODI |
1659 |
271 |
121 |
460 |
593 |
282 |
85 |
0 |
| CDI |
0 |
141 |
105 |
484 |
1507 |
3043 |
3244 |
0 |
| VCDI |
0 |
49 |
19 |
80 |
381 |
2067 |
7106 |
1947 |
|
Date: 2024-05-10:
| 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 |
60789 |
12105 |
85 |
52 |
11 |
1 |
0 |
0 |
| OW |
776 |
1951 |
156 |
214 |
65 |
15 |
0 |
0 |
| VODI |
1828 |
562 |
285 |
601 |
292 |
78 |
11 |
0 |
| ODI |
1857 |
102 |
106 |
474 |
689 |
328 |
85 |
0 |
| CDI |
0 |
96 |
40 |
266 |
1244 |
2833 |
1685 |
0 |
| VCDI |
0 |
60 |
32 |
118 |
356 |
1547 |
7777 |
3290 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60837 |
11219 |
71 |
63 |
15 |
2 |
0 |
0 |
| OW |
848 |
1930 |
99 |
134 |
54 |
27 |
10 |
0 |
| VODI |
1923 |
1020 |
221 |
453 |
234 |
77 |
36 |
0 |
| ODI |
1642 |
418 |
163 |
448 |
647 |
346 |
89 |
0 |
| CDI |
0 |
198 |
118 |
473 |
1297 |
3073 |
2896 |
0 |
| VCDI |
0 |
91 |
32 |
154 |
410 |
1277 |
6527 |
3290 |
|
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