Validation of sea ice concentration - European sector
Bulletin date: 2023-05-11
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-05-05:
| 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 |
68339 |
15524 |
710 |
1528 |
438 |
72 |
0 |
0 |
| OW |
84 |
14 |
41 |
408 |
416 |
37 |
0 |
0 |
| VODI |
0 |
0 |
6 |
223 |
697 |
163 |
3 |
0 |
| ODI |
0 |
0 |
0 |
99 |
692 |
372 |
48 |
0 |
| CDI |
0 |
0 |
0 |
16 |
741 |
2732 |
633 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
181 |
2806 |
6092 |
5985 |
|
...date precedes bulletin
|
Date: 2023-05-07:
| 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 |
68775 |
15458 |
715 |
1389 |
340 |
40 |
0 |
0 |
| OW |
71 |
24 |
39 |
495 |
399 |
30 |
0 |
0 |
| VODI |
0 |
1 |
4 |
242 |
807 |
97 |
10 |
0 |
| ODI |
0 |
0 |
0 |
61 |
830 |
270 |
75 |
0 |
| CDI |
0 |
0 |
0 |
4 |
797 |
2347 |
746 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
213 |
3516 |
5669 |
5636 |
|
...date precedes bulletin
|
Date: 2023-05-09:
| 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 |
69788 |
15111 |
696 |
1076 |
145 |
37 |
0 |
0 |
| OW |
71 |
18 |
72 |
604 |
187 |
19 |
0 |
0 |
| VODI |
0 |
0 |
6 |
422 |
675 |
26 |
1 |
0 |
| ODI |
0 |
0 |
0 |
78 |
1112 |
164 |
13 |
0 |
| CDI |
0 |
0 |
0 |
4 |
1025 |
2651 |
350 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
267 |
2640 |
6256 |
5582 |
|
...date precedes bulletin
|
Date: 2023-05-11:
| 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 |
70365 |
14850 |
666 |
932 |
165 |
31 |
0 |
0 |
| OW |
65 |
60 |
115 |
638 |
169 |
18 |
0 |
0 |
| VODI |
0 |
4 |
25 |
528 |
549 |
43 |
0 |
0 |
| ODI |
0 |
0 |
0 |
135 |
938 |
191 |
3 |
0 |
| CDI |
0 |
0 |
0 |
13 |
1074 |
2213 |
415 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
154 |
3145 |
6189 |
5407 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70365 |
14868 |
682 |
1033 |
191 |
30 |
0 |
0 |
| OW |
65 |
42 |
97 |
542 |
183 |
21 |
0 |
0 |
| VODI |
0 |
4 |
27 |
497 |
487 |
43 |
0 |
0 |
| ODI |
0 |
0 |
0 |
155 |
906 |
197 |
6 |
0 |
| CDI |
0 |
0 |
0 |
19 |
1121 |
2290 |
427 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
161 |
3060 |
6174 |
5407 |
|
Date: 2023-05-13:
| 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 |
70120 |
15018 |
686 |
1047 |
210 |
46 |
9 |
0 |
| OW |
59 |
36 |
109 |
657 |
270 |
13 |
3 |
0 |
| VODI |
0 |
4 |
15 |
454 |
626 |
80 |
0 |
0 |
| ODI |
0 |
0 |
0 |
115 |
713 |
356 |
6 |
0 |
| CDI |
0 |
0 |
0 |
38 |
1088 |
1389 |
618 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
258 |
3650 |
5479 |
5928 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70120 |
15019 |
696 |
1174 |
229 |
48 |
8 |
0 |
| OW |
59 |
33 |
99 |
546 |
300 |
12 |
4 |
0 |
| VODI |
0 |
6 |
12 |
422 |
546 |
76 |
0 |
0 |
| ODI |
0 |
0 |
3 |
108 |
721 |
399 |
10 |
0 |
| CDI |
0 |
0 |
0 |
61 |
1100 |
1354 |
584 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
269 |
3645 |
5509 |
5928 |
|
Date: 2023-05-15:
| 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 |
70154 |
15113 |
723 |
889 |
134 |
53 |
1 |
0 |
| OW |
57 |
43 |
128 |
751 |
128 |
19 |
6 |
0 |
| VODI |
0 |
0 |
1 |
580 |
645 |
36 |
7 |
0 |
| ODI |
0 |
0 |
0 |
71 |
1113 |
90 |
7 |
0 |
| CDI |
0 |
0 |
0 |
6 |
1129 |
2367 |
144 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
109 |
2161 |
6275 |
6160 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70152 |
15094 |
718 |
1125 |
212 |
77 |
9 |
0 |
| OW |
59 |
55 |
105 |
567 |
233 |
31 |
6 |
0 |
| VODI |
0 |
7 |
25 |
398 |
567 |
78 |
9 |
0 |
| ODI |
0 |
0 |
4 |
142 |
644 |
170 |
97 |
0 |
| CDI |
0 |
0 |
0 |
64 |
1171 |
943 |
501 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
431 |
3427 |
5818 |
6160 |
|
Date: 2023-05-17:
| 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 |
70881 |
14910 |
688 |
1026 |
170 |
40 |
0 |
0 |
| OW |
63 |
18 |
82 |
603 |
201 |
28 |
0 |
0 |
| VODI |
0 |
4 |
4 |
448 |
627 |
55 |
0 |
0 |
| ODI |
0 |
0 |
0 |
132 |
711 |
128 |
12 |
0 |
| CDI |
0 |
0 |
0 |
42 |
1332 |
1952 |
397 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
307 |
2195 |
6350 |
5694 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70879 |
14766 |
590 |
1039 |
295 |
78 |
0 |
0 |
| OW |
65 |
139 |
113 |
468 |
234 |
46 |
0 |
0 |
| VODI |
0 |
27 |
67 |
358 |
511 |
102 |
32 |
0 |
| ODI |
0 |
0 |
4 |
238 |
453 |
205 |
88 |
0 |
| CDI |
0 |
0 |
0 |
142 |
1189 |
914 |
562 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
666 |
3053 |
6077 |
5694 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70726 |
14778 |
629 |
1200 |
420 |
69 |
2 |
0 |
| OW |
62 |
86 |
135 |
392 |
342 |
53 |
0 |
0 |
| VODI |
0 |
6 |
50 |
355 |
459 |
160 |
29 |
0 |
| ODI |
0 |
0 |
0 |
232 |
474 |
226 |
96 |
0 |
| CDI |
0 |
0 |
0 |
105 |
1228 |
1664 |
614 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
406 |
3328 |
5228 |
5538 |
|
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