Validation of sea ice concentration - European sector
Bulletin date: 2023-06-29
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
77737 |
11228 |
840 |
3418 |
184 |
0 |
0 |
0 |
| OW |
12 |
11 |
21 |
882 |
384 |
0 |
0 |
0 |
| VODI |
0 |
1 |
2 |
303 |
1063 |
27 |
0 |
0 |
| ODI |
0 |
0 |
0 |
51 |
1099 |
389 |
0 |
0 |
| CDI |
0 |
0 |
0 |
45 |
1017 |
1956 |
109 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
1166 |
5041 |
2109 |
|
...date precedes bulletin
|
Date: 2023-06-25:
| 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 |
78964 |
10611 |
814 |
3301 |
239 |
0 |
0 |
0 |
| OW |
10 |
7 |
20 |
644 |
407 |
0 |
0 |
0 |
| VODI |
0 |
1 |
2 |
319 |
1006 |
62 |
0 |
0 |
| ODI |
0 |
0 |
0 |
48 |
887 |
667 |
0 |
0 |
| CDI |
0 |
0 |
0 |
62 |
956 |
1569 |
364 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
663 |
5242 |
2231 |
|
...date precedes bulletin
|
Date: 2023-06-27:
| 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 |
79748 |
11223 |
918 |
2093 |
57 |
0 |
0 |
0 |
| OW |
9 |
7 |
24 |
635 |
127 |
0 |
0 |
0 |
| VODI |
0 |
0 |
1 |
617 |
683 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
193 |
1664 |
210 |
0 |
0 |
| CDI |
0 |
0 |
0 |
44 |
1118 |
1618 |
45 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
1590 |
5659 |
800 |
|
...date precedes bulletin
|
Date: 2023-06-29:
| 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 |
80207 |
11328 |
858 |
1804 |
72 |
0 |
0 |
0 |
| OW |
9 |
10 |
17 |
727 |
175 |
0 |
0 |
0 |
| VODI |
0 |
1 |
2 |
439 |
1008 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
134 |
1654 |
187 |
0 |
0 |
| CDI |
0 |
0 |
0 |
102 |
1374 |
1089 |
36 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
2760 |
4585 |
500 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80207 |
11328 |
860 |
1870 |
82 |
0 |
0 |
0 |
| OW |
9 |
10 |
13 |
609 |
178 |
0 |
0 |
0 |
| VODI |
0 |
1 |
4 |
479 |
891 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
150 |
1686 |
102 |
0 |
0 |
| CDI |
0 |
0 |
0 |
98 |
1444 |
1157 |
33 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
2777 |
4588 |
500 |
|
Date: 2023-07-01:
| 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 |
83411 |
9257 |
623 |
1143 |
85 |
0 |
0 |
0 |
| OW |
7 |
38 |
54 |
755 |
251 |
0 |
0 |
0 |
| VODI |
0 |
3 |
4 |
367 |
1061 |
5 |
0 |
0 |
| ODI |
0 |
1 |
1 |
121 |
1414 |
260 |
0 |
0 |
| CDI |
0 |
0 |
0 |
176 |
1484 |
1138 |
74 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
53 |
3201 |
4061 |
52 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83411 |
9249 |
627 |
1223 |
115 |
0 |
0 |
0 |
| OW |
7 |
41 |
43 |
617 |
255 |
0 |
0 |
0 |
| VODI |
0 |
8 |
11 |
415 |
935 |
3 |
0 |
0 |
| ODI |
0 |
1 |
1 |
137 |
1432 |
215 |
0 |
0 |
| CDI |
0 |
0 |
0 |
170 |
1530 |
1229 |
101 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
81 |
3157 |
4034 |
52 |
|
Date: 2023-07-03:
| 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 |
81494 |
11341 |
705 |
1066 |
67 |
6 |
0 |
0 |
| OW |
7 |
7 |
45 |
601 |
122 |
5 |
0 |
0 |
| VODI |
0 |
0 |
3 |
622 |
675 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
91 |
2511 |
78 |
0 |
0 |
| CDI |
0 |
0 |
0 |
102 |
1135 |
1838 |
38 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
60 |
3964 |
2516 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81495 |
11284 |
695 |
1333 |
235 |
11 |
0 |
0 |
| OW |
6 |
44 |
44 |
531 |
345 |
0 |
0 |
0 |
| VODI |
0 |
19 |
12 |
338 |
1043 |
5 |
0 |
0 |
| ODI |
0 |
1 |
2 |
91 |
1294 |
140 |
0 |
0 |
| CDI |
0 |
0 |
0 |
189 |
1432 |
1237 |
18 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
221 |
4499 |
2536 |
0 |
|
Date: 2023-07-05:
| 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 |
82861 |
10440 |
655 |
1046 |
71 |
18 |
0 |
0 |
| OW |
6 |
27 |
95 |
512 |
225 |
8 |
0 |
0 |
| VODI |
0 |
2 |
6 |
501 |
1172 |
7 |
0 |
0 |
| ODI |
0 |
0 |
0 |
102 |
1808 |
86 |
0 |
0 |
| CDI |
0 |
0 |
0 |
102 |
877 |
1701 |
22 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
220 |
5100 |
1430 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82861 |
10352 |
648 |
1265 |
330 |
29 |
0 |
0 |
| OW |
6 |
93 |
79 |
351 |
446 |
3 |
0 |
0 |
| VODI |
0 |
19 |
25 |
338 |
1057 |
21 |
0 |
0 |
| ODI |
0 |
5 |
4 |
128 |
1002 |
83 |
0 |
0 |
| CDI |
0 |
0 |
0 |
180 |
1076 |
1184 |
4 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
462 |
5600 |
1448 |
0 |
|
Date: 2023-07-07:
| 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 |
84438 |
9226 |
598 |
1048 |
82 |
17 |
0 |
0 |
| OW |
6 |
38 |
63 |
563 |
286 |
10 |
0 |
0 |
| VODI |
0 |
5 |
9 |
590 |
1297 |
3 |
0 |
0 |
| ODI |
0 |
0 |
1 |
115 |
1154 |
112 |
0 |
0 |
| CDI |
0 |
0 |
0 |
127 |
908 |
1790 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
588 |
5133 |
893 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84439 |
9175 |
582 |
1231 |
389 |
29 |
0 |
0 |
| OW |
5 |
58 |
64 |
526 |
425 |
2 |
0 |
0 |
| VODI |
0 |
25 |
12 |
333 |
976 |
15 |
0 |
0 |
| ODI |
0 |
11 |
9 |
120 |
643 |
55 |
0 |
0 |
| CDI |
0 |
0 |
4 |
233 |
1164 |
1352 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
718 |
5612 |
893 |
0 |
|
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