Validation of sea ice concentration - European sector
Bulletin date: 2021-08-26
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-08-20:
| 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 |
96580 |
3805 |
27 |
126 |
4 |
0 |
0 |
0 |
| OW |
0 |
245 |
22 |
163 |
15 |
0 |
0 |
0 |
| VODI |
0 |
135 |
39 |
582 |
268 |
0 |
0 |
0 |
| ODI |
0 |
39 |
8 |
214 |
732 |
209 |
0 |
0 |
| CDI |
0 |
11 |
2 |
1 |
360 |
2323 |
1465 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
237 |
1488 |
0 |
|
...date precedes bulletin
|
Date: 2021-08-22:
| 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 |
96970 |
3509 |
18 |
71 |
0 |
0 |
0 |
0 |
| OW |
7 |
321 |
23 |
132 |
8 |
0 |
0 |
0 |
| VODI |
5 |
231 |
37 |
532 |
237 |
1 |
0 |
0 |
| ODI |
0 |
59 |
8 |
200 |
668 |
188 |
0 |
0 |
| CDI |
0 |
19 |
0 |
6 |
407 |
3507 |
595 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
735 |
606 |
0 |
|
...date precedes bulletin
|
Date: 2021-08-24:
| 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 |
97974 |
2697 |
22 |
62 |
0 |
0 |
0 |
0 |
| OW |
0 |
318 |
32 |
130 |
5 |
0 |
0 |
0 |
| VODI |
0 |
152 |
31 |
644 |
184 |
0 |
0 |
0 |
| ODI |
0 |
52 |
3 |
101 |
830 |
142 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
297 |
4804 |
57 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
285 |
272 |
0 |
|
...date precedes bulletin
|
Date: 2021-08-26:
| 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 |
97677 |
3155 |
18 |
46 |
0 |
0 |
0 |
0 |
| OW |
0 |
345 |
28 |
139 |
5 |
0 |
0 |
0 |
| VODI |
0 |
244 |
42 |
604 |
119 |
0 |
0 |
0 |
| ODI |
0 |
61 |
0 |
259 |
686 |
163 |
0 |
0 |
| CDI |
0 |
2 |
0 |
26 |
694 |
4083 |
151 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
346 |
207 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97677 |
3170 |
16 |
37 |
0 |
0 |
0 |
0 |
| OW |
0 |
324 |
36 |
159 |
2 |
0 |
0 |
0 |
| VODI |
0 |
265 |
36 |
616 |
128 |
0 |
0 |
0 |
| ODI |
0 |
48 |
0 |
231 |
657 |
151 |
0 |
0 |
| CDI |
0 |
0 |
0 |
31 |
717 |
4072 |
162 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
369 |
196 |
0 |
|
Date: 2021-08-28:
| 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 |
97424 |
3383 |
17 |
44 |
1 |
0 |
0 |
0 |
| OW |
6 |
372 |
21 |
94 |
13 |
0 |
0 |
0 |
| VODI |
0 |
319 |
46 |
523 |
104 |
0 |
0 |
0 |
| ODI |
0 |
64 |
2 |
254 |
691 |
226 |
0 |
0 |
| CDI |
0 |
1 |
0 |
22 |
605 |
3211 |
834 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
515 |
308 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
97421 |
3415 |
15 |
23 |
0 |
0 |
0 |
0 |
| OW |
7 |
346 |
27 |
130 |
6 |
0 |
0 |
0 |
| VODI |
2 |
329 |
44 |
540 |
101 |
1 |
0 |
0 |
| ODI |
0 |
49 |
0 |
220 |
662 |
222 |
0 |
0 |
| CDI |
0 |
0 |
0 |
24 |
645 |
3185 |
829 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
544 |
313 |
0 |
|
Date: 2021-08-30:
| 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 |
99416 |
1893 |
4 |
5 |
0 |
0 |
0 |
0 |
| OW |
6 |
350 |
30 |
78 |
4 |
0 |
0 |
0 |
| VODI |
0 |
134 |
23 |
489 |
137 |
0 |
0 |
0 |
| ODI |
0 |
5 |
0 |
138 |
782 |
76 |
0 |
0 |
| CDI |
0 |
0 |
0 |
10 |
277 |
4667 |
197 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
58 |
321 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
99404 |
1456 |
5 |
13 |
0 |
0 |
0 |
0 |
| OW |
16 |
396 |
15 |
57 |
22 |
0 |
0 |
0 |
| VODI |
2 |
477 |
32 |
380 |
105 |
0 |
0 |
0 |
| ODI |
0 |
53 |
5 |
233 |
661 |
193 |
0 |
0 |
| CDI |
0 |
0 |
0 |
37 |
412 |
3891 |
177 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
717 |
341 |
0 |
|
Date: 2021-09-01:
| 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 |
99144 |
2198 |
3 |
8 |
0 |
0 |
0 |
0 |
| OW |
0 |
353 |
22 |
29 |
6 |
0 |
0 |
0 |
| VODI |
0 |
192 |
28 |
405 |
93 |
0 |
0 |
0 |
| ODI |
0 |
2 |
0 |
192 |
685 |
93 |
0 |
0 |
| CDI |
0 |
0 |
0 |
14 |
448 |
4262 |
170 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
413 |
340 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
99134 |
1629 |
3 |
10 |
1 |
0 |
0 |
0 |
| OW |
8 |
397 |
8 |
27 |
12 |
0 |
0 |
0 |
| VODI |
2 |
598 |
34 |
299 |
83 |
0 |
0 |
0 |
| ODI |
0 |
121 |
8 |
261 |
445 |
119 |
0 |
0 |
| CDI |
0 |
0 |
0 |
51 |
691 |
3203 |
79 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1446 |
431 |
0 |
|
Date: 2021-09-03:
| 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 |
98695 |
2542 |
9 |
31 |
0 |
0 |
0 |
0 |
| OW |
0 |
306 |
23 |
62 |
15 |
0 |
0 |
0 |
| VODI |
0 |
164 |
33 |
380 |
131 |
0 |
0 |
0 |
| ODI |
0 |
13 |
1 |
194 |
605 |
118 |
0 |
0 |
| CDI |
0 |
0 |
0 |
29 |
502 |
4108 |
108 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
710 |
321 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
98687 |
1812 |
4 |
10 |
0 |
0 |
0 |
0 |
| OW |
7 |
371 |
7 |
35 |
4 |
0 |
0 |
0 |
| VODI |
1 |
648 |
37 |
201 |
62 |
0 |
0 |
0 |
| ODI |
0 |
191 |
14 |
306 |
283 |
45 |
0 |
0 |
| CDI |
0 |
3 |
4 |
144 |
662 |
2263 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
242 |
2628 |
429 |
0 |
|
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