Validation of sea ice concentration - European sector
Bulletin date: 2021-05-27
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-05-21:
| 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 |
72527 |
15561 |
198 |
1076 |
360 |
113 |
0 |
0 |
| OW |
60 |
161 |
36 |
513 |
252 |
65 |
2 |
0 |
| VODI |
0 |
39 |
15 |
350 |
633 |
129 |
11 |
0 |
| ODI |
0 |
1 |
1 |
225 |
935 |
359 |
17 |
0 |
| CDI |
0 |
0 |
0 |
70 |
1622 |
1986 |
469 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
217 |
1931 |
5125 |
4034 |
|
...date precedes bulletin
|
Date: 2021-05-23:
| 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 |
73659 |
14540 |
164 |
945 |
393 |
122 |
0 |
0 |
| OW |
60 |
247 |
59 |
440 |
247 |
67 |
0 |
0 |
| VODI |
0 |
118 |
19 |
367 |
619 |
138 |
0 |
0 |
| ODI |
0 |
31 |
9 |
278 |
1046 |
269 |
20 |
0 |
| CDI |
0 |
5 |
3 |
158 |
1631 |
1792 |
355 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
207 |
2009 |
4562 |
4507 |
|
...date precedes bulletin
|
Date: 2021-05-25:
| 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 |
75104 |
13349 |
158 |
931 |
363 |
98 |
14 |
0 |
| OW |
57 |
293 |
59 |
516 |
155 |
44 |
6 |
0 |
| VODI |
0 |
112 |
12 |
570 |
621 |
73 |
4 |
0 |
| ODI |
0 |
23 |
8 |
315 |
1355 |
227 |
11 |
0 |
| CDI |
0 |
5 |
1 |
132 |
1377 |
1685 |
125 |
0 |
| VCDI |
0 |
0 |
0 |
23 |
226 |
3270 |
5161 |
2617 |
|
...date precedes bulletin
|
Date: 2021-05-27:
| 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 |
74988 |
13666 |
187 |
940 |
395 |
92 |
28 |
0 |
| OW |
52 |
396 |
53 |
489 |
185 |
39 |
12 |
0 |
| VODI |
0 |
183 |
43 |
566 |
718 |
60 |
18 |
0 |
| ODI |
0 |
41 |
11 |
529 |
1044 |
167 |
26 |
0 |
| CDI |
0 |
8 |
2 |
320 |
1653 |
1408 |
222 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
260 |
3817 |
2859 |
3621 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74988 |
13760 |
185 |
950 |
415 |
96 |
27 |
0 |
| OW |
52 |
337 |
54 |
490 |
184 |
34 |
13 |
0 |
| VODI |
0 |
165 |
45 |
585 |
718 |
63 |
18 |
0 |
| ODI |
0 |
27 |
10 |
502 |
1054 |
158 |
15 |
0 |
| CDI |
0 |
5 |
2 |
315 |
1628 |
1329 |
197 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
256 |
3903 |
2895 |
3621 |
|
Date: 2021-05-29:
| 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 |
76150 |
12874 |
170 |
1095 |
216 |
80 |
39 |
0 |
| OW |
51 |
319 |
53 |
653 |
272 |
36 |
21 |
0 |
| VODI |
0 |
143 |
15 |
604 |
757 |
99 |
29 |
0 |
| ODI |
0 |
53 |
13 |
418 |
864 |
182 |
59 |
0 |
| CDI |
0 |
17 |
5 |
176 |
1685 |
1564 |
391 |
0 |
| VCDI |
0 |
0 |
0 |
38 |
242 |
3471 |
3517 |
2729 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76150 |
12965 |
176 |
1123 |
234 |
79 |
38 |
0 |
| OW |
51 |
234 |
41 |
652 |
230 |
32 |
20 |
0 |
| VODI |
0 |
150 |
22 |
586 |
803 |
89 |
30 |
0 |
| ODI |
0 |
48 |
14 |
409 |
870 |
205 |
50 |
0 |
| CDI |
0 |
9 |
3 |
165 |
1628 |
1430 |
357 |
0 |
| VCDI |
0 |
0 |
0 |
49 |
271 |
3597 |
3561 |
2729 |
|
Date: 2021-05-31:
| 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 |
75977 |
13477 |
205 |
1094 |
181 |
96 |
23 |
0 |
| OW |
50 |
242 |
60 |
739 |
130 |
27 |
12 |
0 |
| VODI |
0 |
18 |
15 |
1033 |
612 |
61 |
17 |
0 |
| ODI |
0 |
8 |
3 |
301 |
1182 |
170 |
17 |
0 |
| CDI |
0 |
0 |
0 |
50 |
1373 |
2268 |
298 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
281 |
2531 |
4254 |
2295 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75977 |
13239 |
199 |
1335 |
256 |
113 |
32 |
0 |
| OW |
50 |
263 |
37 |
611 |
309 |
62 |
17 |
0 |
| VODI |
0 |
195 |
35 |
617 |
687 |
193 |
30 |
0 |
| ODI |
0 |
39 |
9 |
415 |
531 |
189 |
70 |
0 |
| CDI |
0 |
9 |
3 |
231 |
1496 |
1649 |
565 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
480 |
2947 |
3907 |
2295 |
|
Date: 2021-06-02:
| 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 |
76584 |
13452 |
213 |
1181 |
232 |
99 |
3 |
0 |
| OW |
50 |
171 |
28 |
796 |
246 |
45 |
6 |
0 |
| VODI |
0 |
51 |
17 |
671 |
735 |
105 |
12 |
0 |
| ODI |
0 |
10 |
8 |
247 |
936 |
180 |
30 |
0 |
| CDI |
0 |
0 |
0 |
121 |
1304 |
1985 |
633 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
256 |
2293 |
3880 |
2502 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76584 |
12925 |
201 |
1378 |
352 |
149 |
10 |
0 |
| OW |
50 |
369 |
13 |
477 |
377 |
113 |
18 |
0 |
| VODI |
0 |
289 |
24 |
484 |
630 |
163 |
31 |
0 |
| ODI |
0 |
90 |
15 |
346 |
546 |
168 |
54 |
0 |
| CDI |
0 |
11 |
13 |
295 |
1464 |
1670 |
828 |
0 |
| VCDI |
0 |
0 |
0 |
54 |
340 |
2444 |
3623 |
2502 |
|
Date: 2021-06-04:
| 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 |
77213 |
13079 |
214 |
1395 |
237 |
64 |
19 |
0 |
| OW |
35 |
122 |
33 |
887 |
326 |
31 |
13 |
0 |
| VODI |
0 |
46 |
12 |
544 |
694 |
124 |
41 |
0 |
| ODI |
0 |
9 |
6 |
212 |
806 |
176 |
64 |
0 |
| CDI |
0 |
0 |
0 |
192 |
1393 |
1697 |
710 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
268 |
2544 |
5535 |
358 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77213 |
12518 |
201 |
1545 |
391 |
112 |
49 |
0 |
| OW |
35 |
398 |
19 |
466 |
391 |
124 |
37 |
0 |
| VODI |
0 |
275 |
22 |
528 |
451 |
106 |
70 |
0 |
| ODI |
0 |
62 |
17 |
375 |
594 |
114 |
77 |
0 |
| CDI |
0 |
3 |
6 |
273 |
1606 |
1654 |
857 |
0 |
| VCDI |
0 |
0 |
0 |
44 |
291 |
2526 |
5292 |
358 |
|
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