Validation of sea ice concentration - European sector
Bulletin date: 2023-06-15
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2023-06-11:
| 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 |
74748 |
12986 |
707 |
1577 |
597 |
19 |
0 |
0 |
| OW |
41 |
137 |
94 |
568 |
775 |
45 |
2 |
0 |
| VODI |
0 |
64 |
37 |
413 |
1309 |
219 |
13 |
0 |
| ODI |
0 |
26 |
22 |
137 |
1011 |
697 |
68 |
0 |
| CDI |
0 |
3 |
12 |
95 |
694 |
2252 |
1003 |
0 |
| VCDI |
0 |
2 |
2 |
8 |
67 |
2592 |
5682 |
376 |
|
...date precedes bulletin
|
Date: 2023-06-13:
| 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 |
75851 |
12063 |
734 |
1696 |
415 |
34 |
3 |
0 |
| OW |
37 |
86 |
99 |
712 |
427 |
32 |
3 |
0 |
| VODI |
0 |
27 |
42 |
742 |
1200 |
107 |
6 |
0 |
| ODI |
0 |
0 |
1 |
100 |
1442 |
518 |
39 |
0 |
| CDI |
0 |
2 |
8 |
53 |
625 |
2355 |
849 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
15 |
880 |
7537 |
360 |
|
...date precedes bulletin
|
Date: 2023-06-15:
| 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 |
75864 |
12404 |
737 |
1799 |
348 |
29 |
3 |
0 |
| OW |
23 |
104 |
113 |
953 |
527 |
25 |
5 |
0 |
| VODI |
0 |
55 |
68 |
604 |
1233 |
144 |
15 |
0 |
| ODI |
0 |
0 |
3 |
92 |
1039 |
446 |
24 |
0 |
| CDI |
0 |
5 |
10 |
51 |
769 |
2194 |
1244 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
158 |
5560 |
2450 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75864 |
12412 |
766 |
2175 |
451 |
32 |
3 |
0 |
| OW |
23 |
110 |
99 |
667 |
429 |
20 |
6 |
0 |
| VODI |
0 |
41 |
54 |
498 |
1070 |
124 |
13 |
0 |
| ODI |
0 |
0 |
2 |
106 |
1157 |
399 |
13 |
0 |
| CDI |
0 |
5 |
10 |
53 |
809 |
2246 |
1173 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
175 |
5643 |
2450 |
|
Date: 2023-06-17:
| 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 |
75789 |
12617 |
792 |
1984 |
548 |
13 |
0 |
0 |
| OW |
19 |
122 |
169 |
944 |
634 |
49 |
5 |
0 |
| VODI |
0 |
35 |
52 |
451 |
1087 |
203 |
15 |
0 |
| ODI |
0 |
0 |
0 |
108 |
792 |
487 |
58 |
0 |
| CDI |
0 |
9 |
10 |
65 |
784 |
2018 |
1082 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
345 |
6181 |
1623 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75788 |
12655 |
864 |
2294 |
623 |
18 |
0 |
0 |
| OW |
20 |
95 |
103 |
621 |
520 |
44 |
6 |
0 |
| VODI |
0 |
24 |
46 |
460 |
1032 |
185 |
12 |
0 |
| ODI |
0 |
0 |
0 |
111 |
843 |
417 |
40 |
0 |
| CDI |
0 |
9 |
10 |
66 |
827 |
2029 |
1015 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
422 |
6268 |
1623 |
|
Date: 2023-06-19:
| 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 |
75775 |
12725 |
743 |
1908 |
565 |
11 |
0 |
0 |
| OW |
18 |
140 |
166 |
805 |
383 |
16 |
0 |
0 |
| VODI |
0 |
51 |
90 |
804 |
818 |
38 |
0 |
0 |
| ODI |
0 |
1 |
3 |
185 |
1246 |
454 |
8 |
0 |
| CDI |
0 |
8 |
12 |
41 |
616 |
1956 |
600 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
603 |
7617 |
691 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75775 |
12774 |
830 |
2550 |
957 |
18 |
0 |
0 |
| OW |
18 |
119 |
126 |
628 |
537 |
38 |
0 |
0 |
| VODI |
0 |
23 |
45 |
408 |
721 |
243 |
10 |
0 |
| ODI |
0 |
1 |
1 |
108 |
731 |
448 |
86 |
0 |
| CDI |
0 |
8 |
12 |
49 |
683 |
1788 |
1081 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
543 |
7048 |
691 |
|
Date: 2023-06-21:
| 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 |
76591 |
12605 |
897 |
2226 |
394 |
2 |
0 |
0 |
| OW |
16 |
153 |
171 |
777 |
389 |
12 |
0 |
0 |
| VODI |
0 |
15 |
30 |
581 |
767 |
65 |
3 |
0 |
| ODI |
0 |
1 |
8 |
82 |
1039 |
509 |
11 |
0 |
| CDI |
0 |
11 |
15 |
73 |
674 |
1851 |
552 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
5 |
895 |
5996 |
1683 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76591 |
12594 |
974 |
2716 |
683 |
12 |
0 |
0 |
| OW |
16 |
140 |
81 |
509 |
453 |
63 |
3 |
0 |
| VODI |
0 |
38 |
39 |
314 |
734 |
228 |
6 |
0 |
| ODI |
0 |
2 |
13 |
129 |
709 |
585 |
80 |
0 |
| CDI |
0 |
11 |
14 |
71 |
681 |
1774 |
1156 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
8 |
672 |
5317 |
1683 |
|
Date: 2023-06-23:
| 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 |
76959 |
12464 |
890 |
2609 |
479 |
6 |
0 |
0 |
| OW |
12 |
72 |
94 |
695 |
418 |
18 |
1 |
0 |
| VODI |
0 |
18 |
27 |
403 |
789 |
153 |
6 |
0 |
| ODI |
0 |
1 |
4 |
68 |
927 |
522 |
17 |
0 |
| CDI |
0 |
12 |
23 |
109 |
913 |
1746 |
324 |
0 |
| VCDI |
0 |
0 |
1 |
3 |
27 |
1378 |
5817 |
1095 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76959 |
12410 |
903 |
2918 |
734 |
51 |
3 |
0 |
| OW |
12 |
103 |
63 |
424 |
427 |
141 |
0 |
0 |
| VODI |
0 |
40 |
38 |
314 |
767 |
198 |
3 |
0 |
| ODI |
0 |
2 |
11 |
111 |
713 |
768 |
88 |
0 |
| CDI |
0 |
12 |
22 |
116 |
905 |
1843 |
967 |
0 |
| VCDI |
0 |
0 |
2 |
4 |
7 |
822 |
5104 |
1095 |
|
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