Validation of sea ice concentration - European sector
Bulletin date: 2021-04-29
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-04-23:
| 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 |
72687 |
14101 |
175 |
982 |
307 |
42 |
0 |
0 |
| OW |
71 |
355 |
73 |
519 |
325 |
32 |
0 |
0 |
| VODI |
0 |
75 |
24 |
349 |
626 |
98 |
2 |
0 |
| ODI |
0 |
33 |
4 |
142 |
539 |
219 |
17 |
0 |
| CDI |
0 |
9 |
0 |
79 |
610 |
1204 |
626 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
373 |
2083 |
6019 |
6294 |
|
...date precedes bulletin
|
Date: 2021-04-25:
| 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 |
71681 |
14851 |
196 |
1087 |
445 |
61 |
0 |
0 |
| OW |
71 |
394 |
68 |
580 |
380 |
49 |
0 |
0 |
| VODI |
0 |
64 |
16 |
329 |
622 |
104 |
0 |
0 |
| ODI |
0 |
28 |
1 |
96 |
586 |
231 |
30 |
0 |
| CDI |
0 |
3 |
1 |
71 |
582 |
1425 |
708 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
176 |
2132 |
5816 |
6209 |
|
...date precedes bulletin
|
Date: 2021-04-27:
| 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 |
71954 |
14536 |
196 |
1052 |
389 |
57 |
0 |
0 |
| OW |
71 |
162 |
68 |
647 |
340 |
40 |
0 |
0 |
| VODI |
0 |
19 |
9 |
431 |
729 |
64 |
0 |
0 |
| ODI |
0 |
5 |
1 |
114 |
688 |
267 |
11 |
0 |
| CDI |
0 |
0 |
0 |
34 |
724 |
1310 |
251 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
157 |
2601 |
6665 |
5508 |
|
...date precedes bulletin
|
Date: 2021-04-29:
| 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 |
71719 |
14703 |
196 |
1002 |
598 |
114 |
0 |
0 |
| OW |
71 |
215 |
71 |
517 |
442 |
57 |
0 |
0 |
| VODI |
0 |
36 |
15 |
405 |
606 |
102 |
3 |
0 |
| ODI |
0 |
3 |
3 |
130 |
575 |
276 |
36 |
0 |
| CDI |
0 |
0 |
0 |
36 |
693 |
1389 |
400 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
173 |
2826 |
6071 |
5617 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71719 |
14754 |
206 |
1123 |
762 |
120 |
0 |
0 |
| OW |
71 |
163 |
62 |
471 |
383 |
62 |
0 |
0 |
| VODI |
0 |
36 |
15 |
353 |
569 |
103 |
4 |
0 |
| ODI |
0 |
4 |
2 |
110 |
553 |
284 |
35 |
0 |
| CDI |
0 |
0 |
0 |
33 |
640 |
1398 |
411 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
180 |
2797 |
6060 |
5617 |
|
Date: 2021-05-01:
| 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 |
71881 |
14988 |
163 |
935 |
451 |
108 |
0 |
0 |
| OW |
70 |
318 |
86 |
624 |
257 |
59 |
3 |
0 |
| VODI |
0 |
64 |
27 |
433 |
492 |
72 |
40 |
0 |
| ODI |
0 |
5 |
6 |
185 |
556 |
184 |
66 |
0 |
| CDI |
0 |
0 |
0 |
57 |
687 |
1397 |
590 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
312 |
2122 |
5660 |
6190 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71881 |
15103 |
190 |
1210 |
529 |
106 |
0 |
0 |
| OW |
70 |
218 |
64 |
444 |
263 |
69 |
3 |
0 |
| VODI |
0 |
52 |
23 |
367 |
492 |
81 |
43 |
0 |
| ODI |
0 |
2 |
5 |
169 |
503 |
199 |
56 |
0 |
| CDI |
0 |
0 |
0 |
46 |
662 |
1327 |
589 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
306 |
2160 |
5668 |
6190 |
|
Date: 2021-05-03:
| 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 |
72352 |
15161 |
165 |
682 |
258 |
107 |
6 |
0 |
| OW |
67 |
354 |
91 |
617 |
139 |
27 |
15 |
0 |
| VODI |
0 |
57 |
30 |
566 |
431 |
41 |
29 |
0 |
| ODI |
0 |
0 |
1 |
160 |
772 |
109 |
39 |
0 |
| CDI |
0 |
0 |
0 |
26 |
763 |
1551 |
369 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
241 |
2037 |
6017 |
5804 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72352 |
15193 |
193 |
999 |
387 |
119 |
17 |
0 |
| OW |
67 |
283 |
58 |
409 |
198 |
38 |
23 |
0 |
| VODI |
0 |
89 |
28 |
389 |
429 |
76 |
63 |
0 |
| ODI |
0 |
7 |
8 |
167 |
481 |
162 |
60 |
0 |
| CDI |
0 |
0 |
0 |
63 |
710 |
1273 |
590 |
0 |
| VCDI |
0 |
0 |
0 |
40 |
399 |
2204 |
5722 |
5804 |
|
Date: 2021-05-05:
| 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 |
72398 |
15125 |
197 |
937 |
294 |
94 |
2 |
0 |
| OW |
65 |
222 |
47 |
527 |
268 |
32 |
14 |
0 |
| VODI |
0 |
44 |
31 |
336 |
567 |
60 |
21 |
0 |
| ODI |
0 |
0 |
1 |
176 |
607 |
184 |
36 |
0 |
| CDI |
0 |
4 |
0 |
41 |
833 |
1473 |
283 |
0 |
| VCDI |
0 |
0 |
0 |
25 |
238 |
2010 |
5954 |
5954 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72397 |
15019 |
191 |
1059 |
427 |
115 |
12 |
0 |
| OW |
66 |
267 |
37 |
349 |
349 |
41 |
21 |
0 |
| VODI |
0 |
96 |
41 |
304 |
474 |
121 |
51 |
0 |
| ODI |
0 |
9 |
7 |
199 |
428 |
197 |
58 |
0 |
| CDI |
0 |
0 |
0 |
77 |
778 |
1357 |
498 |
0 |
| VCDI |
0 |
4 |
0 |
54 |
351 |
2022 |
5670 |
5954 |
|
Date: 2021-05-07:
| 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 |
72454 |
15059 |
183 |
918 |
318 |
91 |
20 |
0 |
| OW |
65 |
241 |
41 |
567 |
276 |
33 |
25 |
0 |
| VODI |
0 |
73 |
18 |
299 |
565 |
69 |
41 |
0 |
| ODI |
0 |
7 |
4 |
153 |
512 |
196 |
66 |
0 |
| CDI |
0 |
2 |
0 |
35 |
683 |
1682 |
782 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
133 |
1424 |
5387 |
6678 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72454 |
14943 |
178 |
1161 |
429 |
110 |
40 |
0 |
| OW |
65 |
283 |
40 |
309 |
369 |
54 |
36 |
0 |
| VODI |
0 |
129 |
17 |
273 |
459 |
145 |
73 |
0 |
| ODI |
0 |
21 |
11 |
171 |
354 |
238 |
84 |
0 |
| CDI |
0 |
6 |
0 |
55 |
644 |
1329 |
698 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
232 |
1619 |
5390 |
6678 |
|
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