Validation of sea ice concentration - European sector
Bulletin date: 2023-06-01
Data source: OSI SAF N.H. 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 |
72052 |
14081 |
695 |
1520 |
416 |
13 |
0 |
0 |
| OW |
59 |
67 |
35 |
591 |
316 |
37 |
0 |
0 |
| VODI |
0 |
62 |
8 |
340 |
641 |
63 |
8 |
0 |
| ODI |
0 |
70 |
10 |
137 |
982 |
273 |
39 |
0 |
| CDI |
0 |
46 |
26 |
130 |
1448 |
2307 |
829 |
0 |
| VCDI |
0 |
12 |
31 |
128 |
220 |
1965 |
5879 |
3564 |
|
...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 |
73671 |
12589 |
661 |
1575 |
419 |
20 |
0 |
0 |
| OW |
56 |
72 |
23 |
545 |
394 |
25 |
1 |
0 |
| VODI |
0 |
67 |
9 |
316 |
731 |
70 |
13 |
0 |
| ODI |
0 |
71 |
10 |
158 |
879 |
433 |
42 |
0 |
| CDI |
0 |
75 |
22 |
116 |
1056 |
2423 |
1068 |
0 |
| VCDI |
0 |
45 |
26 |
138 |
266 |
1395 |
4863 |
4757 |
|
...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 |
74784 |
12051 |
681 |
1499 |
264 |
1 |
0 |
0 |
| OW |
51 |
69 |
48 |
649 |
266 |
3 |
0 |
0 |
| VODI |
0 |
50 |
8 |
484 |
774 |
19 |
0 |
0 |
| ODI |
0 |
49 |
19 |
118 |
1611 |
237 |
1 |
0 |
| CDI |
0 |
17 |
15 |
70 |
1046 |
3609 |
672 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
161 |
1009 |
5449 |
3316 |
|
...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 |
74250 |
12658 |
680 |
1639 |
254 |
2 |
0 |
0 |
| OW |
50 |
72 |
49 |
642 |
354 |
4 |
0 |
0 |
| VODI |
0 |
54 |
11 |
392 |
911 |
36 |
0 |
0 |
| ODI |
0 |
45 |
7 |
116 |
1553 |
340 |
9 |
0 |
| CDI |
0 |
46 |
25 |
52 |
977 |
3114 |
808 |
0 |
| VCDI |
0 |
0 |
0 |
26 |
94 |
1055 |
5060 |
3715 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74250 |
12684 |
690 |
1707 |
267 |
3 |
0 |
0 |
| OW |
50 |
62 |
41 |
573 |
348 |
5 |
0 |
0 |
| VODI |
0 |
42 |
11 |
395 |
892 |
31 |
0 |
0 |
| ODI |
0 |
44 |
5 |
114 |
1528 |
325 |
10 |
0 |
| CDI |
0 |
43 |
25 |
54 |
1005 |
3036 |
789 |
0 |
| VCDI |
0 |
0 |
0 |
24 |
103 |
1151 |
5078 |
3715 |
|
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 |
75118 |
11929 |
620 |
1583 |
362 |
16 |
0 |
0 |
| OW |
50 |
89 |
49 |
622 |
428 |
17 |
0 |
0 |
| VODI |
0 |
53 |
16 |
344 |
1049 |
64 |
4 |
0 |
| ODI |
0 |
37 |
10 |
122 |
1591 |
440 |
15 |
0 |
| CDI |
0 |
40 |
24 |
87 |
1056 |
2677 |
638 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
101 |
1110 |
4782 |
3948 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75118 |
11983 |
633 |
1657 |
364 |
16 |
0 |
0 |
| OW |
50 |
56 |
44 |
517 |
434 |
14 |
0 |
0 |
| VODI |
0 |
38 |
11 |
380 |
1073 |
56 |
4 |
0 |
| ODI |
0 |
36 |
8 |
118 |
1480 |
420 |
19 |
0 |
| CDI |
0 |
35 |
23 |
88 |
1123 |
2670 |
766 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
113 |
1148 |
4650 |
3948 |
|
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 |
74408 |
12912 |
664 |
1310 |
261 |
3 |
0 |
0 |
| OW |
50 |
61 |
66 |
669 |
207 |
5 |
0 |
0 |
| VODI |
0 |
28 |
10 |
644 |
745 |
8 |
2 |
0 |
| ODI |
0 |
12 |
18 |
133 |
2465 |
203 |
5 |
0 |
| CDI |
0 |
0 |
0 |
6 |
818 |
3216 |
352 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
776 |
4668 |
4362 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74413 |
12861 |
663 |
1660 |
400 |
6 |
0 |
0 |
| OW |
45 |
59 |
54 |
502 |
548 |
15 |
4 |
0 |
| VODI |
0 |
31 |
14 |
370 |
1198 |
113 |
13 |
0 |
| ODI |
0 |
33 |
6 |
130 |
1342 |
679 |
87 |
0 |
| CDI |
0 |
29 |
21 |
100 |
968 |
2429 |
729 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
53 |
969 |
4194 |
4362 |
|
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 |
75178 |
12153 |
641 |
1639 |
213 |
3 |
0 |
0 |
| OW |
44 |
56 |
36 |
673 |
357 |
7 |
0 |
0 |
| VODI |
0 |
39 |
13 |
475 |
1263 |
21 |
3 |
0 |
| ODI |
0 |
6 |
21 |
104 |
1918 |
445 |
10 |
0 |
| CDI |
0 |
0 |
0 |
9 |
869 |
2868 |
777 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
26 |
883 |
4459 |
3891 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75179 |
12058 |
607 |
1893 |
514 |
9 |
0 |
0 |
| OW |
43 |
81 |
41 |
455 |
752 |
26 |
4 |
0 |
| VODI |
0 |
42 |
28 |
370 |
1143 |
241 |
16 |
0 |
| ODI |
0 |
40 |
10 |
93 |
1252 |
661 |
109 |
0 |
| CDI |
0 |
33 |
25 |
89 |
941 |
2387 |
922 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
44 |
903 |
4198 |
3891 |
|
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 |
75453 |
12033 |
740 |
1669 |
208 |
3 |
0 |
0 |
| OW |
42 |
62 |
26 |
794 |
455 |
7 |
0 |
0 |
| VODI |
0 |
46 |
12 |
398 |
1596 |
27 |
6 |
0 |
| ODI |
0 |
11 |
28 |
86 |
1671 |
441 |
9 |
0 |
| CDI |
0 |
0 |
0 |
26 |
813 |
2973 |
584 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
28 |
1295 |
4423 |
3135 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75454 |
11927 |
707 |
1955 |
597 |
9 |
0 |
0 |
| OW |
41 |
75 |
41 |
522 |
898 |
18 |
8 |
0 |
| VODI |
0 |
51 |
20 |
349 |
1328 |
182 |
22 |
0 |
| ODI |
0 |
53 |
5 |
62 |
1160 |
662 |
55 |
0 |
| CDI |
0 |
46 |
33 |
85 |
741 |
2572 |
742 |
23 |
| VCDI |
0 |
0 |
0 |
0 |
47 |
1303 |
4195 |
3112 |
|
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