Validation of sea ice concentration - European sector
Bulletin date: 2023-05-25
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-05-19:
| 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 |
70726 |
14859 |
755 |
1156 |
250 |
33 |
1 |
0 |
| OW |
62 |
10 |
57 |
634 |
354 |
29 |
1 |
0 |
| VODI |
0 |
1 |
2 |
361 |
643 |
104 |
0 |
0 |
| ODI |
0 |
0 |
0 |
114 |
762 |
155 |
16 |
0 |
| CDI |
0 |
0 |
0 |
27 |
1184 |
2635 |
552 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
136 |
2544 |
5399 |
5538 |
|
...date precedes bulletin
|
Date: 2023-05-21:
| 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 |
70968 |
14734 |
699 |
1297 |
421 |
76 |
0 |
0 |
| OW |
57 |
57 |
65 |
517 |
436 |
48 |
5 |
0 |
| VODI |
0 |
9 |
29 |
289 |
587 |
90 |
14 |
0 |
| ODI |
0 |
0 |
0 |
143 |
625 |
238 |
45 |
0 |
| CDI |
0 |
0 |
0 |
70 |
1450 |
2042 |
604 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
493 |
2868 |
6701 |
3423 |
|
...date precedes bulletin
|
Date: 2023-05-23:
| 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 |
71325 |
14524 |
709 |
1388 |
334 |
15 |
0 |
0 |
| OW |
56 |
16 |
50 |
708 |
298 |
31 |
0 |
0 |
| VODI |
0 |
0 |
8 |
443 |
592 |
40 |
0 |
0 |
| ODI |
0 |
0 |
0 |
153 |
1224 |
120 |
5 |
0 |
| CDI |
0 |
0 |
0 |
109 |
1771 |
2584 |
233 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
272 |
2216 |
7241 |
2635 |
|
...date precedes bulletin
|
Date: 2023-05-25:
| 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 |
72025 |
13986 |
763 |
1428 |
409 |
4 |
0 |
0 |
| OW |
57 |
39 |
33 |
611 |
311 |
24 |
0 |
0 |
| VODI |
0 |
41 |
11 |
403 |
613 |
65 |
0 |
0 |
| ODI |
0 |
49 |
14 |
124 |
993 |
234 |
29 |
0 |
| CDI |
0 |
17 |
31 |
109 |
1356 |
2754 |
886 |
0 |
| VCDI |
0 |
0 |
3 |
140 |
196 |
1664 |
6117 |
3561 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72025 |
13982 |
756 |
1488 |
426 |
4 |
0 |
0 |
| OW |
57 |
42 |
42 |
535 |
284 |
23 |
0 |
0 |
| VODI |
0 |
43 |
9 |
414 |
613 |
68 |
2 |
0 |
| ODI |
0 |
54 |
13 |
119 |
975 |
248 |
41 |
0 |
| CDI |
0 |
11 |
31 |
113 |
1365 |
2809 |
818 |
0 |
| VCDI |
0 |
0 |
4 |
146 |
215 |
1593 |
6171 |
3561 |
|
Date: 2023-05-27:
| 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 |
73357 |
12868 |
650 |
1631 |
383 |
21 |
0 |
0 |
| OW |
58 |
77 |
44 |
520 |
334 |
37 |
0 |
0 |
| VODI |
0 |
66 |
8 |
312 |
719 |
65 |
11 |
0 |
| ODI |
0 |
69 |
9 |
141 |
820 |
442 |
76 |
0 |
| CDI |
0 |
59 |
20 |
105 |
1045 |
2294 |
1066 |
0 |
| VCDI |
0 |
35 |
32 |
156 |
211 |
1626 |
5081 |
4652 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73357 |
12862 |
651 |
1660 |
381 |
23 |
0 |
0 |
| OW |
58 |
82 |
43 |
474 |
327 |
30 |
0 |
0 |
| VODI |
0 |
76 |
8 |
321 |
707 |
72 |
13 |
0 |
| ODI |
0 |
76 |
9 |
159 |
819 |
436 |
107 |
0 |
| CDI |
0 |
41 |
18 |
93 |
1080 |
2600 |
1004 |
0 |
| VCDI |
0 |
37 |
34 |
158 |
198 |
1324 |
5110 |
4652 |
|
Date: 2023-05-29:
| 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 |
74447 |
12214 |
630 |
1409 |
272 |
9 |
0 |
0 |
| OW |
52 |
101 |
55 |
629 |
197 |
10 |
0 |
0 |
| VODI |
0 |
45 |
13 |
548 |
685 |
26 |
2 |
0 |
| ODI |
0 |
26 |
28 |
129 |
1705 |
159 |
6 |
0 |
| CDI |
0 |
1 |
9 |
49 |
841 |
4270 |
453 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
21 |
467 |
5614 |
3976 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74445 |
11978 |
632 |
1700 |
380 |
18 |
0 |
0 |
| OW |
54 |
76 |
22 |
421 |
412 |
23 |
3 |
0 |
| VODI |
0 |
101 |
14 |
325 |
749 |
89 |
11 |
0 |
| ODI |
0 |
90 |
10 |
159 |
937 |
425 |
63 |
0 |
| CDI |
0 |
93 |
22 |
62 |
974 |
2857 |
951 |
0 |
| VCDI |
0 |
49 |
35 |
99 |
269 |
1529 |
5047 |
3976 |
|
Date: 2023-05-31:
| 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 |
74623 |
12253 |
674 |
1607 |
279 |
3 |
0 |
0 |
| OW |
50 |
60 |
31 |
681 |
281 |
6 |
0 |
0 |
| VODI |
0 |
46 |
9 |
407 |
873 |
24 |
0 |
0 |
| ODI |
0 |
50 |
10 |
107 |
1639 |
244 |
3 |
0 |
| CDI |
0 |
36 |
23 |
76 |
985 |
3278 |
860 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
139 |
918 |
5198 |
3613 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74621 |
11928 |
656 |
1760 |
445 |
14 |
0 |
0 |
| OW |
52 |
100 |
19 |
449 |
405 |
25 |
0 |
0 |
| VODI |
0 |
124 |
17 |
347 |
824 |
106 |
3 |
0 |
| ODI |
0 |
93 |
12 |
175 |
1017 |
424 |
73 |
0 |
| CDI |
0 |
106 |
12 |
57 |
1314 |
2944 |
756 |
0 |
| VCDI |
0 |
94 |
31 |
104 |
191 |
960 |
5229 |
3613 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74918 |
11946 |
602 |
1626 |
586 |
15 |
0 |
0 |
| OW |
50 |
106 |
47 |
419 |
455 |
28 |
1 |
0 |
| VODI |
0 |
117 |
16 |
389 |
869 |
197 |
18 |
0 |
| ODI |
0 |
71 |
9 |
223 |
872 |
579 |
134 |
0 |
| CDI |
0 |
69 |
18 |
101 |
1210 |
2520 |
1047 |
0 |
| VCDI |
0 |
23 |
20 |
64 |
212 |
1169 |
4701 |
3653 |
|
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