Validation of sea ice concentration - European sector
Bulletin date: 2023-09-21
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-09-15:
| 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 |
86590 |
3089 |
109 |
91 |
0 |
0 |
0 |
0 |
| OW |
0 |
680 |
175 |
272 |
8 |
0 |
0 |
0 |
| VODI |
0 |
43 |
75 |
828 |
389 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
62 |
1384 |
354 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
272 |
3210 |
34 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2023 |
721 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-17:
| 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 |
86667 |
2978 |
69 |
51 |
0 |
0 |
0 |
0 |
| OW |
0 |
691 |
183 |
364 |
7 |
0 |
0 |
0 |
| VODI |
0 |
23 |
36 |
711 |
440 |
9 |
0 |
0 |
| ODI |
0 |
0 |
0 |
110 |
799 |
721 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
107 |
2701 |
471 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1892 |
1382 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-19:
| 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 |
85989 |
3724 |
129 |
52 |
0 |
0 |
0 |
0 |
| OW |
0 |
500 |
189 |
233 |
0 |
0 |
0 |
0 |
| VODI |
0 |
10 |
22 |
586 |
205 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
81 |
630 |
33 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
414 |
1949 |
123 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2745 |
2799 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-21:
| 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 |
86052 |
3487 |
99 |
55 |
0 |
0 |
0 |
0 |
| OW |
0 |
439 |
214 |
268 |
16 |
0 |
0 |
0 |
| VODI |
0 |
7 |
32 |
566 |
200 |
1 |
0 |
0 |
| ODI |
0 |
1 |
0 |
150 |
496 |
38 |
5 |
0 |
| CDI |
0 |
0 |
0 |
10 |
502 |
1788 |
434 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2656 |
2900 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86052 |
3444 |
110 |
72 |
0 |
0 |
0 |
0 |
| OW |
0 |
482 |
206 |
273 |
21 |
0 |
0 |
0 |
| VODI |
0 |
8 |
29 |
574 |
195 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
127 |
528 |
28 |
6 |
0 |
| CDI |
0 |
0 |
0 |
3 |
470 |
1714 |
437 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2738 |
2896 |
0 |
|
Date: 2023-09-23:
| 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 |
85999 |
3420 |
105 |
76 |
0 |
0 |
0 |
0 |
| OW |
0 |
414 |
176 |
350 |
26 |
0 |
0 |
0 |
| VODI |
0 |
6 |
45 |
444 |
263 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
99 |
461 |
49 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
487 |
1034 |
309 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1617 |
4964 |
60 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85999 |
3396 |
102 |
103 |
0 |
0 |
0 |
0 |
| OW |
0 |
438 |
183 |
328 |
20 |
0 |
0 |
0 |
| VODI |
0 |
6 |
41 |
462 |
269 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
79 |
498 |
59 |
1 |
0 |
| CDI |
0 |
0 |
0 |
4 |
450 |
1044 |
341 |
5 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1598 |
4931 |
56 |
|
Date: 2023-09-25:
| 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 |
85566 |
3742 |
142 |
110 |
1 |
0 |
0 |
0 |
| OW |
0 |
256 |
199 |
217 |
4 |
0 |
0 |
0 |
| VODI |
0 |
1 |
14 |
595 |
141 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
68 |
743 |
20 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
173 |
795 |
27 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
644 |
6032 |
926 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85566 |
3628 |
158 |
147 |
7 |
0 |
0 |
0 |
| OW |
0 |
352 |
167 |
385 |
49 |
0 |
0 |
0 |
| VODI |
0 |
19 |
30 |
363 |
321 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
90 |
413 |
101 |
2 |
0 |
| CDI |
0 |
0 |
0 |
5 |
268 |
735 |
688 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
618 |
5369 |
926 |
|
Date: 2023-09-27:
| 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 |
84922 |
4180 |
130 |
85 |
0 |
0 |
0 |
0 |
| OW |
0 |
304 |
138 |
251 |
3 |
0 |
0 |
0 |
| VODI |
0 |
16 |
66 |
504 |
165 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
149 |
588 |
44 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
189 |
646 |
194 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
364 |
4409 |
3060 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84922 |
4123 |
150 |
146 |
3 |
0 |
0 |
0 |
| OW |
0 |
354 |
138 |
353 |
39 |
0 |
0 |
0 |
| VODI |
0 |
23 |
46 |
412 |
248 |
7 |
0 |
0 |
| ODI |
0 |
0 |
0 |
74 |
376 |
141 |
1 |
0 |
| CDI |
0 |
0 |
0 |
13 |
279 |
524 |
797 |
13 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
382 |
3805 |
3047 |
|
Date: 2023-09-29:
| 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 |
85391 |
3634 |
131 |
128 |
8 |
0 |
0 |
0 |
| OW |
0 |
252 |
93 |
328 |
42 |
0 |
0 |
0 |
| VODI |
0 |
12 |
51 |
340 |
254 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
87 |
382 |
138 |
0 |
0 |
| CDI |
0 |
0 |
0 |
17 |
149 |
504 |
227 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
274 |
2619 |
5344 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85391 |
3418 |
133 |
148 |
30 |
0 |
0 |
0 |
| OW |
0 |
390 |
73 |
275 |
24 |
0 |
0 |
0 |
| VODI |
0 |
90 |
66 |
367 |
234 |
11 |
0 |
0 |
| ODI |
0 |
0 |
3 |
98 |
320 |
187 |
8 |
0 |
| CDI |
0 |
0 |
0 |
12 |
228 |
483 |
882 |
37 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
239 |
1956 |
5307 |
|
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