Validation of sea ice concentration - European sector
Bulletin date: 2023-06-08
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-06-02:
| 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 |
74918 |
12107 |
614 |
1543 |
328 |
6 |
0 |
0 |
| OW |
50 |
97 |
49 |
665 |
374 |
14 |
0 |
0 |
| VODI |
0 |
52 |
12 |
397 |
944 |
46 |
0 |
0 |
| ODI |
0 |
40 |
10 |
123 |
1517 |
395 |
20 |
0 |
| CDI |
0 |
36 |
27 |
79 |
944 |
2819 |
924 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
97 |
1228 |
4957 |
3653 |
|
...date precedes bulletin
|
Date: 2023-06-04:
| 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 |
73911 |
13168 |
667 |
1624 |
337 |
5 |
0 |
0 |
| OW |
50 |
69 |
46 |
649 |
467 |
14 |
2 |
0 |
| VODI |
0 |
44 |
11 |
341 |
1095 |
104 |
8 |
0 |
| ODI |
0 |
34 |
8 |
121 |
1525 |
590 |
66 |
0 |
| CDI |
0 |
33 |
24 |
93 |
1066 |
2439 |
632 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
57 |
1099 |
4655 |
4045 |
|
...date precedes bulletin
|
Date: 2023-06-06:
| 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 |
75263 |
12076 |
707 |
1515 |
235 |
3 |
0 |
0 |
| OW |
47 |
48 |
53 |
681 |
272 |
6 |
0 |
0 |
| VODI |
0 |
33 |
15 |
493 |
1013 |
17 |
3 |
0 |
| ODI |
0 |
9 |
20 |
115 |
2141 |
323 |
6 |
0 |
| CDI |
0 |
0 |
0 |
5 |
872 |
2940 |
629 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
839 |
4835 |
3877 |
|
...date precedes bulletin
|
Date: 2023-06-08:
| 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 |
75302 |
11987 |
696 |
1753 |
187 |
3 |
0 |
0 |
| OW |
43 |
57 |
32 |
699 |
433 |
6 |
0 |
0 |
| VODI |
0 |
40 |
16 |
437 |
1458 |
24 |
3 |
0 |
| ODI |
0 |
10 |
24 |
103 |
1875 |
381 |
9 |
0 |
| CDI |
0 |
0 |
0 |
18 |
892 |
2804 |
728 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
30 |
772 |
4691 |
3587 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75302 |
11994 |
695 |
1867 |
231 |
3 |
0 |
0 |
| OW |
43 |
51 |
35 |
608 |
478 |
5 |
0 |
0 |
| VODI |
0 |
40 |
17 |
408 |
1407 |
25 |
4 |
0 |
| ODI |
0 |
9 |
21 |
106 |
1739 |
351 |
7 |
0 |
| CDI |
0 |
0 |
0 |
21 |
992 |
2803 |
693 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
28 |
803 |
4727 |
3587 |
|
Date: 2023-06-10:
| 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 |
75936 |
11481 |
666 |
1982 |
291 |
3 |
0 |
0 |
| OW |
41 |
61 |
29 |
733 |
664 |
9 |
1 |
0 |
| VODI |
0 |
44 |
11 |
347 |
1606 |
43 |
7 |
0 |
| ODI |
0 |
4 |
20 |
103 |
1492 |
484 |
15 |
0 |
| CDI |
0 |
0 |
0 |
34 |
886 |
2572 |
736 |
13 |
| VCDI |
0 |
0 |
0 |
0 |
39 |
1480 |
4220 |
3047 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75936 |
11476 |
671 |
2130 |
409 |
3 |
0 |
0 |
| OW |
41 |
62 |
24 |
579 |
736 |
10 |
0 |
0 |
| VODI |
0 |
48 |
10 |
360 |
1366 |
44 |
9 |
0 |
| ODI |
0 |
4 |
21 |
87 |
1443 |
436 |
15 |
0 |
| CDI |
0 |
0 |
0 |
43 |
994 |
2615 |
717 |
13 |
| VCDI |
0 |
0 |
0 |
0 |
30 |
1483 |
4238 |
3047 |
|
Date: 2023-06-12:
| 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 |
76195 |
11588 |
658 |
1760 |
219 |
0 |
0 |
0 |
| OW |
38 |
24 |
52 |
823 |
290 |
3 |
0 |
0 |
| VODI |
0 |
0 |
5 |
802 |
1193 |
17 |
0 |
0 |
| ODI |
0 |
0 |
0 |
38 |
2383 |
175 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
551 |
2886 |
310 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
2065 |
6321 |
684 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76195 |
11479 |
646 |
2464 |
614 |
5 |
0 |
0 |
| OW |
38 |
71 |
29 |
553 |
766 |
17 |
0 |
0 |
| VODI |
0 |
50 |
19 |
287 |
1371 |
58 |
4 |
0 |
| ODI |
0 |
12 |
21 |
79 |
1222 |
438 |
23 |
0 |
| CDI |
0 |
0 |
0 |
40 |
663 |
2480 |
874 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
2148 |
5732 |
684 |
|
Date: 2023-06-14:
| 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 |
75917 |
11656 |
791 |
2372 |
222 |
1 |
0 |
0 |
| OW |
24 |
9 |
28 |
1142 |
394 |
6 |
0 |
0 |
| VODI |
0 |
0 |
6 |
818 |
1307 |
33 |
0 |
0 |
| ODI |
0 |
0 |
0 |
55 |
1492 |
228 |
6 |
0 |
| CDI |
0 |
0 |
0 |
0 |
803 |
2649 |
663 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
250 |
4803 |
3420 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75917 |
11552 |
758 |
3309 |
529 |
17 |
0 |
0 |
| OW |
24 |
58 |
22 |
682 |
734 |
27 |
0 |
0 |
| VODI |
0 |
42 |
21 |
275 |
1173 |
77 |
7 |
0 |
| ODI |
0 |
13 |
23 |
90 |
1001 |
375 |
33 |
0 |
| CDI |
0 |
0 |
1 |
31 |
769 |
2400 |
1052 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
271 |
4380 |
3420 |
|
Date: 2023-06-16:
| 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 |
76784 |
11246 |
742 |
2450 |
233 |
0 |
0 |
0 |
| OW |
20 |
20 |
32 |
1229 |
559 |
7 |
0 |
0 |
| VODI |
0 |
1 |
13 |
547 |
1382 |
35 |
0 |
0 |
| ODI |
0 |
0 |
0 |
42 |
1055 |
397 |
4 |
0 |
| CDI |
0 |
0 |
0 |
4 |
910 |
2464 |
815 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
73 |
3067 |
4969 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76782 |
11131 |
722 |
3371 |
746 |
24 |
0 |
0 |
| OW |
22 |
59 |
24 |
543 |
689 |
26 |
2 |
0 |
| VODI |
0 |
54 |
16 |
249 |
1070 |
133 |
11 |
0 |
| ODI |
0 |
23 |
23 |
58 |
758 |
424 |
67 |
0 |
| CDI |
0 |
0 |
2 |
51 |
848 |
2234 |
1135 |
16 |
| VCDI |
0 |
0 |
0 |
0 |
28 |
135 |
2671 |
4953 |
|
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