Validation of sea ice concentration - European sector
Bulletin date: 2023-06-01
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
72145 |
14483 |
547 |
1036 |
410 |
126 |
30 |
0 |
| OW |
59 |
175 |
104 |
386 |
293 |
56 |
32 |
0 |
| VODI |
0 |
88 |
58 |
338 |
472 |
117 |
49 |
0 |
| ODI |
0 |
69 |
28 |
211 |
696 |
376 |
131 |
0 |
| CDI |
0 |
63 |
22 |
207 |
1096 |
2186 |
1212 |
0 |
| VCDI |
0 |
71 |
29 |
106 |
232 |
2094 |
7474 |
1793 |
|
...date precedes bulletin
|
Date: 2023-05-28:
| 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 |
72350 |
14308 |
523 |
1136 |
456 |
131 |
31 |
0 |
| OW |
56 |
122 |
85 |
415 |
338 |
83 |
17 |
0 |
| VODI |
0 |
87 |
31 |
324 |
531 |
187 |
46 |
0 |
| ODI |
0 |
90 |
27 |
164 |
641 |
489 |
182 |
0 |
| CDI |
0 |
80 |
33 |
159 |
899 |
2028 |
1561 |
0 |
| VCDI |
0 |
78 |
33 |
152 |
282 |
1245 |
8610 |
1090 |
|
...date precedes bulletin
|
Date: 2023-05-30:
| 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 |
73103 |
14146 |
502 |
1042 |
370 |
83 |
34 |
0 |
| OW |
51 |
178 |
97 |
471 |
252 |
29 |
8 |
0 |
| VODI |
0 |
74 |
56 |
469 |
622 |
94 |
20 |
0 |
| ODI |
0 |
52 |
26 |
185 |
1164 |
547 |
61 |
0 |
| CDI |
0 |
44 |
14 |
97 |
909 |
3305 |
1060 |
0 |
| VCDI |
0 |
2 |
2 |
19 |
133 |
1161 |
6733 |
1885 |
|
...date precedes bulletin
|
Date: 2023-06-01:
| 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 |
73186 |
14281 |
573 |
1065 |
346 |
32 |
0 |
0 |
| OW |
50 |
134 |
92 |
498 |
361 |
36 |
0 |
0 |
| VODI |
0 |
75 |
32 |
378 |
730 |
178 |
11 |
0 |
| ODI |
0 |
49 |
8 |
210 |
1114 |
638 |
51 |
0 |
| CDI |
0 |
76 |
11 |
77 |
899 |
2718 |
1241 |
0 |
| VCDI |
0 |
5 |
4 |
33 |
120 |
1151 |
6472 |
2165 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73186 |
14322 |
578 |
1099 |
382 |
34 |
0 |
0 |
| OW |
50 |
112 |
86 |
467 |
330 |
34 |
0 |
0 |
| VODI |
0 |
61 |
35 |
366 |
726 |
175 |
8 |
0 |
| ODI |
0 |
47 |
6 |
220 |
1091 |
605 |
57 |
0 |
| CDI |
0 |
75 |
11 |
75 |
903 |
2663 |
1225 |
0 |
| VCDI |
0 |
3 |
4 |
34 |
138 |
1242 |
6485 |
2165 |
|
Date: 2023-06-03:
| 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 |
73451 |
13797 |
676 |
1211 |
400 |
69 |
24 |
0 |
| OW |
50 |
141 |
85 |
507 |
409 |
48 |
15 |
0 |
| VODI |
0 |
69 |
32 |
390 |
839 |
175 |
25 |
0 |
| ODI |
0 |
48 |
14 |
237 |
1195 |
622 |
99 |
0 |
| CDI |
0 |
64 |
20 |
115 |
982 |
2328 |
1013 |
0 |
| VCDI |
0 |
0 |
2 |
26 |
107 |
1239 |
5788 |
2788 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73451 |
13853 |
681 |
1261 |
439 |
66 |
20 |
0 |
| OW |
50 |
108 |
85 |
424 |
388 |
42 |
18 |
0 |
| VODI |
0 |
56 |
29 |
435 |
851 |
170 |
21 |
0 |
| ODI |
0 |
43 |
13 |
222 |
1100 |
596 |
107 |
0 |
| CDI |
0 |
59 |
19 |
119 |
1029 |
2335 |
1144 |
0 |
| VCDI |
0 |
0 |
2 |
25 |
125 |
1272 |
5654 |
2788 |
|
Date: 2023-06-05:
| 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 |
72696 |
14798 |
651 |
1012 |
349 |
52 |
0 |
0 |
| OW |
50 |
134 |
137 |
472 |
228 |
37 |
0 |
0 |
| VODI |
0 |
52 |
55 |
571 |
677 |
77 |
5 |
0 |
| ODI |
0 |
30 |
35 |
259 |
1850 |
616 |
46 |
0 |
| CDI |
0 |
0 |
3 |
37 |
871 |
2498 |
983 |
0 |
| VCDI |
0 |
0 |
1 |
6 |
44 |
851 |
6052 |
2865 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72701 |
14748 |
705 |
1279 |
510 |
60 |
0 |
0 |
| OW |
45 |
134 |
90 |
388 |
475 |
87 |
8 |
0 |
| VODI |
0 |
45 |
43 |
372 |
948 |
265 |
66 |
0 |
| ODI |
0 |
37 |
14 |
199 |
1052 |
687 |
288 |
0 |
| CDI |
0 |
50 |
27 |
108 |
961 |
2036 |
1094 |
0 |
| VCDI |
0 |
0 |
3 |
11 |
73 |
996 |
5630 |
2865 |
|
Date: 2023-06-07:
| 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 |
75062 |
12488 |
651 |
1219 |
351 |
56 |
0 |
0 |
| OW |
44 |
110 |
105 |
496 |
382 |
35 |
1 |
0 |
| VODI |
0 |
53 |
48 |
471 |
1099 |
134 |
9 |
0 |
| ODI |
0 |
29 |
31 |
204 |
1301 |
866 |
73 |
0 |
| CDI |
0 |
3 |
7 |
68 |
893 |
2265 |
1287 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
57 |
964 |
6869 |
1368 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75063 |
12373 |
660 |
1436 |
649 |
79 |
0 |
0 |
| OW |
43 |
135 |
78 |
344 |
666 |
129 |
7 |
0 |
| VODI |
0 |
64 |
52 |
388 |
882 |
375 |
79 |
0 |
| ODI |
0 |
49 |
13 |
167 |
876 |
823 |
237 |
0 |
| CDI |
0 |
62 |
39 |
123 |
950 |
1958 |
1265 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
60 |
956 |
6651 |
1368 |
|
Date: 2023-06-09:
| 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 |
74883 |
12717 |
659 |
1363 |
422 |
61 |
1 |
0 |
| OW |
42 |
114 |
89 |
601 |
491 |
47 |
2 |
0 |
| VODI |
0 |
65 |
36 |
535 |
1272 |
156 |
21 |
0 |
| ODI |
0 |
37 |
31 |
188 |
1168 |
747 |
75 |
0 |
| CDI |
0 |
4 |
15 |
108 |
767 |
2523 |
979 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
64 |
1283 |
6004 |
1530 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74884 |
12601 |
660 |
1617 |
792 |
93 |
2 |
0 |
| OW |
41 |
133 |
82 |
466 |
737 |
133 |
11 |
0 |
| VODI |
0 |
66 |
41 |
424 |
968 |
367 |
86 |
0 |
| ODI |
0 |
57 |
2 |
137 |
912 |
733 |
156 |
0 |
| CDI |
0 |
80 |
44 |
139 |
705 |
2194 |
1048 |
32 |
| VCDI |
0 |
0 |
1 |
12 |
70 |
1297 |
5779 |
1498 |
|
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