Validation of sea ice concentration - European sector
Bulletin date: 2022-04-21
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-04-15:
| 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 |
68547 |
14761 |
158 |
859 |
422 |
53 |
0 |
0 |
| OW |
63 |
365 |
45 |
386 |
382 |
29 |
15 |
0 |
| VODI |
0 |
131 |
31 |
304 |
687 |
103 |
19 |
0 |
| ODI |
0 |
8 |
7 |
163 |
656 |
376 |
34 |
0 |
| CDI |
0 |
0 |
0 |
33 |
834 |
1121 |
303 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
248 |
2089 |
8512 |
7356 |
|
...date precedes bulletin
|
Date: 2022-04-17:
| 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 |
69293 |
14237 |
150 |
778 |
414 |
63 |
0 |
0 |
| OW |
68 |
457 |
40 |
320 |
367 |
46 |
9 |
0 |
| VODI |
0 |
157 |
46 |
327 |
612 |
151 |
20 |
0 |
| ODI |
0 |
22 |
11 |
194 |
548 |
406 |
36 |
0 |
| CDI |
0 |
0 |
1 |
71 |
778 |
808 |
316 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
459 |
2598 |
8639 |
6652 |
|
...date precedes bulletin
|
Date: 2022-04-19:
| 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 |
69600 |
14069 |
121 |
621 |
312 |
65 |
1 |
0 |
| OW |
61 |
485 |
71 |
405 |
223 |
21 |
5 |
0 |
| VODI |
0 |
105 |
48 |
460 |
601 |
118 |
14 |
0 |
| ODI |
0 |
3 |
4 |
145 |
854 |
253 |
28 |
0 |
| CDI |
0 |
0 |
0 |
21 |
684 |
1201 |
201 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
270 |
2356 |
9024 |
6646 |
|
...date precedes bulletin
|
Date: 2022-04-21:
| 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 |
69505 |
14133 |
143 |
711 |
300 |
68 |
0 |
0 |
| OW |
73 |
433 |
55 |
515 |
305 |
17 |
2 |
0 |
| VODI |
2 |
195 |
40 |
416 |
789 |
94 |
7 |
0 |
| ODI |
0 |
10 |
10 |
138 |
628 |
328 |
17 |
0 |
| CDI |
0 |
1 |
1 |
78 |
751 |
1191 |
161 |
0 |
| VCDI |
0 |
0 |
0 |
23 |
394 |
3027 |
8816 |
5723 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69504 |
14154 |
150 |
728 |
333 |
68 |
0 |
0 |
| OW |
73 |
467 |
53 |
527 |
310 |
15 |
2 |
0 |
| VODI |
3 |
135 |
33 |
392 |
781 |
97 |
7 |
0 |
| ODI |
0 |
14 |
11 |
124 |
639 |
346 |
19 |
0 |
| CDI |
0 |
2 |
2 |
88 |
720 |
1164 |
176 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
384 |
3035 |
8799 |
5723 |
|
Date: 2022-04-23:
| 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 |
69109 |
14526 |
155 |
813 |
297 |
47 |
0 |
0 |
| OW |
60 |
398 |
49 |
554 |
518 |
18 |
3 |
0 |
| VODI |
0 |
137 |
33 |
425 |
734 |
129 |
9 |
0 |
| ODI |
0 |
9 |
9 |
130 |
621 |
357 |
38 |
0 |
| CDI |
0 |
0 |
2 |
73 |
787 |
1140 |
319 |
0 |
| VCDI |
0 |
0 |
0 |
11 |
331 |
2858 |
8093 |
6308 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69109 |
14522 |
164 |
908 |
343 |
49 |
0 |
0 |
| OW |
60 |
406 |
51 |
481 |
475 |
11 |
4 |
0 |
| VODI |
0 |
126 |
18 |
401 |
782 |
129 |
9 |
0 |
| ODI |
0 |
15 |
13 |
123 |
617 |
433 |
34 |
0 |
| CDI |
0 |
1 |
2 |
87 |
764 |
1115 |
351 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
307 |
2812 |
8064 |
6308 |
|
Date: 2022-04-25:
| 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 |
68482 |
14992 |
163 |
775 |
289 |
54 |
0 |
0 |
| OW |
60 |
381 |
59 |
619 |
326 |
15 |
0 |
0 |
| VODI |
0 |
29 |
24 |
512 |
892 |
55 |
0 |
0 |
| ODI |
0 |
5 |
0 |
81 |
857 |
333 |
10 |
0 |
| CDI |
0 |
0 |
1 |
32 |
635 |
1540 |
287 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
77 |
3010 |
8729 |
5776 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68482 |
14971 |
170 |
1062 |
603 |
60 |
0 |
0 |
| OW |
60 |
329 |
46 |
398 |
524 |
44 |
0 |
0 |
| VODI |
0 |
89 |
26 |
327 |
605 |
296 |
13 |
0 |
| ODI |
0 |
15 |
4 |
145 |
518 |
522 |
51 |
0 |
| CDI |
0 |
3 |
1 |
84 |
505 |
1009 |
553 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
321 |
3076 |
8409 |
5776 |
|
Date: 2022-04-27:
| 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 |
68389 |
15069 |
178 |
872 |
388 |
56 |
0 |
0 |
| OW |
62 |
219 |
56 |
685 |
386 |
29 |
0 |
0 |
| VODI |
0 |
41 |
15 |
430 |
916 |
98 |
6 |
0 |
| ODI |
0 |
8 |
2 |
120 |
683 |
378 |
27 |
0 |
| CDI |
0 |
0 |
1 |
44 |
674 |
1370 |
409 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
268 |
2898 |
7981 |
6335 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68380 |
14818 |
188 |
1179 |
744 |
73 |
0 |
0 |
| OW |
66 |
330 |
29 |
355 |
521 |
76 |
1 |
0 |
| VODI |
5 |
126 |
20 |
334 |
595 |
274 |
27 |
0 |
| ODI |
0 |
51 |
11 |
151 |
552 |
469 |
115 |
0 |
| CDI |
0 |
12 |
4 |
127 |
464 |
1007 |
371 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
439 |
2930 |
7909 |
6335 |
|
Date: 2022-04-29:
| 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 |
68468 |
14631 |
166 |
1043 |
574 |
17 |
0 |
0 |
| OW |
60 |
325 |
46 |
518 |
531 |
49 |
0 |
0 |
| VODI |
0 |
53 |
24 |
314 |
915 |
194 |
22 |
0 |
| ODI |
0 |
3 |
2 |
96 |
606 |
409 |
28 |
0 |
| CDI |
0 |
0 |
2 |
40 |
766 |
1282 |
216 |
0 |
| VCDI |
0 |
4 |
1 |
38 |
442 |
4770 |
7701 |
4744 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68468 |
14564 |
176 |
1196 |
976 |
51 |
0 |
0 |
| OW |
60 |
305 |
27 |
329 |
615 |
134 |
14 |
0 |
| VODI |
0 |
90 |
21 |
239 |
576 |
348 |
27 |
0 |
| ODI |
0 |
33 |
6 |
123 |
484 |
493 |
60 |
0 |
| CDI |
0 |
22 |
9 |
104 |
619 |
1153 |
236 |
0 |
| VCDI |
0 |
2 |
2 |
58 |
564 |
4542 |
7630 |
4744 |
|
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