Validation of sea ice concentration - European sector
Bulletin date: 2024-05-16
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2024-05-12:
| 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 |
60696 |
12173 |
53 |
51 |
9 |
0 |
0 |
0 |
| OW |
776 |
1985 |
151 |
199 |
47 |
20 |
7 |
0 |
| VODI |
1845 |
777 |
272 |
547 |
271 |
81 |
74 |
0 |
| ODI |
1839 |
218 |
126 |
541 |
660 |
354 |
129 |
0 |
| CDI |
0 |
168 |
83 |
423 |
1618 |
2604 |
1355 |
0 |
| VCDI |
0 |
73 |
27 |
100 |
291 |
2067 |
7934 |
2218 |
|
...date precedes bulletin
|
Date: 2024-05-14:
| 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 |
60887 |
12609 |
59 |
62 |
0 |
0 |
0 |
0 |
| OW |
787 |
1976 |
234 |
209 |
39 |
24 |
4 |
0 |
| VODI |
1890 |
496 |
339 |
967 |
384 |
110 |
20 |
0 |
| ODI |
1779 |
82 |
77 |
443 |
935 |
428 |
45 |
0 |
| CDI |
0 |
79 |
39 |
305 |
1222 |
3177 |
1630 |
0 |
| VCDI |
0 |
11 |
9 |
55 |
111 |
1121 |
7964 |
2254 |
|
...date precedes bulletin
|
Date: 2024-05-16:
| 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 |
61557 |
12075 |
55 |
33 |
2 |
0 |
0 |
0 |
| OW |
796 |
2077 |
225 |
157 |
56 |
21 |
0 |
0 |
| VODI |
1911 |
642 |
342 |
923 |
389 |
75 |
28 |
0 |
| ODI |
1752 |
158 |
77 |
411 |
811 |
344 |
57 |
0 |
| CDI |
0 |
84 |
68 |
338 |
1301 |
2681 |
1725 |
0 |
| VCDI |
0 |
0 |
6 |
40 |
144 |
1479 |
8403 |
1619 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61561 |
12171 |
66 |
33 |
7 |
0 |
0 |
0 |
| OW |
791 |
1943 |
211 |
168 |
63 |
17 |
0 |
0 |
| VODI |
1910 |
682 |
336 |
905 |
405 |
75 |
20 |
0 |
| ODI |
1754 |
168 |
92 |
433 |
747 |
320 |
64 |
0 |
| CDI |
0 |
70 |
60 |
325 |
1352 |
2698 |
1783 |
1 |
| VCDI |
0 |
2 |
8 |
38 |
129 |
1490 |
8346 |
1618 |
|
Date: 2024-05-18:
| 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 |
61766 |
12048 |
49 |
20 |
4 |
0 |
0 |
0 |
| OW |
792 |
1985 |
202 |
224 |
66 |
20 |
5 |
0 |
| VODI |
1928 |
655 |
325 |
827 |
317 |
93 |
60 |
0 |
| ODI |
1734 |
143 |
84 |
417 |
673 |
298 |
92 |
0 |
| CDI |
0 |
41 |
63 |
433 |
1503 |
3139 |
1374 |
34 |
| VCDI |
0 |
14 |
15 |
59 |
185 |
1349 |
8038 |
1788 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61766 |
12113 |
63 |
36 |
10 |
0 |
0 |
0 |
| OW |
791 |
1879 |
193 |
209 |
55 |
15 |
5 |
0 |
| VODI |
1927 |
692 |
306 |
812 |
339 |
108 |
49 |
0 |
| ODI |
1736 |
149 |
107 |
438 |
644 |
281 |
85 |
0 |
| CDI |
0 |
39 |
55 |
436 |
1542 |
3111 |
1661 |
135 |
| VCDI |
0 |
14 |
14 |
49 |
158 |
1384 |
7769 |
1687 |
|
Date: 2024-05-20:
| 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 |
61711 |
12806 |
44 |
37 |
0 |
0 |
0 |
0 |
| OW |
805 |
1909 |
268 |
178 |
30 |
4 |
0 |
0 |
| VODI |
1992 |
404 |
322 |
1010 |
423 |
71 |
9 |
0 |
| ODI |
1652 |
16 |
50 |
387 |
990 |
484 |
74 |
0 |
| CDI |
0 |
13 |
27 |
209 |
1172 |
4211 |
1145 |
0 |
| VCDI |
0 |
1 |
1 |
9 |
18 |
538 |
6246 |
3596 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61708 |
12130 |
52 |
50 |
7 |
0 |
0 |
0 |
| OW |
793 |
1969 |
180 |
171 |
50 |
24 |
2 |
0 |
| VODI |
1947 |
750 |
279 |
682 |
313 |
124 |
76 |
0 |
| ODI |
1712 |
216 |
107 |
418 |
646 |
296 |
107 |
0 |
| CDI |
0 |
75 |
86 |
454 |
1455 |
3852 |
1486 |
26 |
| VCDI |
0 |
9 |
8 |
55 |
162 |
1012 |
5803 |
3570 |
|
Date: 2024-05-22:
| 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 |
62005 |
12637 |
85 |
36 |
0 |
0 |
0 |
0 |
| OW |
806 |
1851 |
242 |
288 |
26 |
7 |
1 |
0 |
| VODI |
2012 |
388 |
328 |
840 |
328 |
65 |
40 |
0 |
| ODI |
1629 |
30 |
64 |
440 |
897 |
332 |
79 |
0 |
| CDI |
0 |
11 |
27 |
240 |
1321 |
3860 |
1400 |
0 |
| VCDI |
0 |
6 |
14 |
55 |
149 |
1443 |
4822 |
4058 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62002 |
11969 |
93 |
54 |
12 |
4 |
1 |
0 |
| OW |
798 |
1910 |
162 |
232 |
44 |
24 |
32 |
0 |
| VODI |
1969 |
784 |
291 |
570 |
247 |
72 |
102 |
0 |
| ODI |
1683 |
162 |
107 |
468 |
573 |
226 |
118 |
0 |
| CDI |
0 |
88 |
89 |
475 |
1545 |
3796 |
1722 |
0 |
| VCDI |
0 |
10 |
18 |
100 |
300 |
1585 |
4367 |
4058 |
|
Date: 2024-05-24:
| 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 |
62507 |
12247 |
57 |
18 |
0 |
0 |
0 |
0 |
| OW |
806 |
1811 |
274 |
239 |
41 |
11 |
1 |
0 |
| VODI |
2037 |
450 |
326 |
714 |
330 |
86 |
45 |
0 |
| ODI |
1600 |
77 |
76 |
473 |
780 |
342 |
50 |
0 |
| CDI |
0 |
35 |
54 |
301 |
1295 |
3669 |
1553 |
0 |
| VCDI |
0 |
9 |
12 |
66 |
266 |
1610 |
3984 |
4610 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62501 |
11522 |
74 |
64 |
25 |
4 |
0 |
0 |
| OW |
804 |
1815 |
210 |
192 |
60 |
48 |
8 |
0 |
| VODI |
1989 |
878 |
219 |
467 |
289 |
115 |
66 |
0 |
| ODI |
1656 |
251 |
174 |
459 |
543 |
258 |
126 |
0 |
| CDI |
0 |
151 |
100 |
511 |
1421 |
3525 |
1777 |
0 |
| VCDI |
0 |
12 |
22 |
118 |
374 |
1768 |
3656 |
4610 |
|
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