Validation of sea ice concentration - European sector
Bulletin date: 2022-04-07
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-04-01:
| 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 |
67555 |
15042 |
155 |
672 |
314 |
108 |
31 |
0 |
| OW |
52 |
529 |
55 |
491 |
353 |
43 |
26 |
0 |
| VODI |
0 |
169 |
55 |
394 |
603 |
162 |
44 |
0 |
| ODI |
0 |
21 |
14 |
211 |
603 |
393 |
99 |
0 |
| CDI |
0 |
0 |
0 |
82 |
630 |
813 |
302 |
0 |
| VCDI |
0 |
0 |
0 |
19 |
771 |
3330 |
7604 |
7355 |
|
...date precedes bulletin
|
Date: 2022-04-03:
| 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 |
67760 |
14950 |
154 |
744 |
378 |
116 |
36 |
0 |
| OW |
52 |
510 |
60 |
424 |
314 |
76 |
35 |
0 |
| VODI |
0 |
236 |
47 |
296 |
550 |
195 |
54 |
0 |
| ODI |
0 |
27 |
24 |
240 |
453 |
352 |
138 |
0 |
| CDI |
0 |
1 |
2 |
131 |
525 |
621 |
296 |
2 |
| VCDI |
0 |
0 |
0 |
1 |
650 |
3149 |
8473 |
7028 |
|
...date precedes bulletin
|
Date: 2022-04-05:
| 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 |
67866 |
15286 |
161 |
636 |
217 |
80 |
27 |
0 |
| OW |
53 |
386 |
79 |
441 |
268 |
32 |
20 |
0 |
| VODI |
0 |
119 |
54 |
433 |
522 |
71 |
34 |
0 |
| ODI |
0 |
7 |
6 |
290 |
715 |
284 |
27 |
0 |
| CDI |
0 |
1 |
1 |
49 |
700 |
1033 |
203 |
1 |
| VCDI |
0 |
0 |
0 |
16 |
657 |
2676 |
8592 |
7057 |
|
...date precedes bulletin
|
Date: 2022-04-07:
| 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 |
67607 |
15286 |
166 |
765 |
325 |
105 |
41 |
0 |
| OW |
54 |
358 |
69 |
404 |
337 |
58 |
25 |
0 |
| VODI |
0 |
142 |
38 |
345 |
569 |
121 |
42 |
0 |
| ODI |
0 |
34 |
9 |
239 |
567 |
371 |
48 |
0 |
| CDI |
0 |
2 |
2 |
53 |
708 |
944 |
256 |
0 |
| VCDI |
0 |
0 |
0 |
31 |
671 |
2387 |
8704 |
7217 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67607 |
15319 |
184 |
879 |
353 |
113 |
41 |
0 |
| OW |
54 |
325 |
58 |
336 |
341 |
51 |
26 |
0 |
| VODI |
0 |
145 |
27 |
303 |
547 |
110 |
41 |
0 |
| ODI |
0 |
29 |
13 |
216 |
572 |
336 |
47 |
0 |
| CDI |
0 |
4 |
2 |
70 |
712 |
961 |
262 |
0 |
| VCDI |
0 |
0 |
0 |
33 |
652 |
2415 |
8699 |
7217 |
|
Date: 2022-04-09:
| 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 |
68525 |
14262 |
143 |
717 |
424 |
88 |
36 |
0 |
| OW |
56 |
397 |
61 |
349 |
349 |
64 |
24 |
0 |
| VODI |
0 |
180 |
39 |
396 |
451 |
217 |
44 |
0 |
| ODI |
0 |
33 |
13 |
225 |
502 |
430 |
50 |
0 |
| CDI |
0 |
6 |
8 |
103 |
845 |
694 |
300 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
616 |
2012 |
8600 |
7837 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68525 |
14283 |
152 |
767 |
457 |
88 |
35 |
0 |
| OW |
56 |
373 |
52 |
295 |
330 |
61 |
24 |
0 |
| VODI |
0 |
176 |
36 |
389 |
428 |
209 |
39 |
0 |
| ODI |
0 |
36 |
14 |
215 |
518 |
416 |
48 |
0 |
| CDI |
0 |
10 |
10 |
112 |
809 |
759 |
291 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
645 |
1972 |
8617 |
7837 |
|
Date: 2022-04-11:
| 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 |
69014 |
14250 |
129 |
631 |
297 |
76 |
6 |
0 |
| OW |
61 |
453 |
62 |
492 |
268 |
26 |
12 |
0 |
| VODI |
0 |
206 |
50 |
418 |
604 |
49 |
15 |
0 |
| ODI |
0 |
21 |
18 |
232 |
799 |
276 |
12 |
0 |
| CDI |
0 |
0 |
0 |
64 |
1038 |
1065 |
171 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
284 |
2022 |
8220 |
7759 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69014 |
14017 |
125 |
730 |
472 |
94 |
20 |
0 |
| OW |
61 |
524 |
39 |
267 |
302 |
49 |
17 |
0 |
| VODI |
0 |
297 |
56 |
347 |
437 |
168 |
32 |
0 |
| ODI |
0 |
86 |
28 |
293 |
446 |
412 |
55 |
0 |
| CDI |
0 |
6 |
11 |
176 |
857 |
540 |
310 |
0 |
| VCDI |
0 |
0 |
0 |
24 |
776 |
2251 |
8002 |
7759 |
|
Date: 2022-04-13:
| 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 |
68490 |
15020 |
168 |
873 |
391 |
52 |
4 |
0 |
| OW |
63 |
326 |
55 |
375 |
326 |
21 |
9 |
0 |
| VODI |
0 |
132 |
29 |
314 |
665 |
60 |
21 |
0 |
| ODI |
0 |
22 |
2 |
169 |
796 |
244 |
23 |
0 |
| CDI |
0 |
0 |
5 |
40 |
855 |
1266 |
331 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
309 |
2454 |
8168 |
7001 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68484 |
14532 |
155 |
822 |
480 |
85 |
27 |
0 |
| OW |
65 |
466 |
40 |
270 |
350 |
32 |
24 |
0 |
| VODI |
4 |
306 |
46 |
270 |
552 |
180 |
31 |
0 |
| ODI |
0 |
139 |
11 |
229 |
549 |
338 |
66 |
0 |
| CDI |
0 |
41 |
3 |
144 |
778 |
638 |
367 |
0 |
| VCDI |
0 |
16 |
4 |
57 |
633 |
2824 |
8041 |
7001 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68530 |
14251 |
140 |
825 |
484 |
72 |
23 |
0 |
| OW |
67 |
470 |
44 |
275 |
377 |
48 |
25 |
0 |
| VODI |
10 |
290 |
28 |
294 |
586 |
227 |
45 |
0 |
| ODI |
3 |
194 |
19 |
174 |
466 |
396 |
97 |
0 |
| CDI |
0 |
58 |
9 |
124 |
666 |
639 |
333 |
0 |
| VCDI |
0 |
2 |
1 |
53 |
650 |
2389 |
8360 |
7356 |
|
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