Validation of sea ice concentration - Full domain
Bulletin date: 2024-10-24
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-10-18:
| 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 |
124377 |
14898 |
639 |
1368 |
951 |
0 |
0 |
0 |
| OW |
13 |
1561 |
432 |
1279 |
801 |
90 |
0 |
0 |
| VODI |
1 |
308 |
185 |
987 |
916 |
329 |
0 |
0 |
| ODI |
0 |
81 |
50 |
339 |
799 |
662 |
3 |
0 |
| CDI |
0 |
51 |
54 |
335 |
717 |
1930 |
329 |
0 |
| VCDI |
0 |
6 |
12 |
164 |
428 |
5192 |
18518 |
15938 |
|
...date precedes bulletin
|
Date: 2024-10-20:
| 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 |
123615 |
12876 |
428 |
934 |
523 |
121 |
0 |
0 |
| OW |
3 |
2081 |
469 |
1136 |
1350 |
476 |
0 |
0 |
| VODI |
0 |
510 |
209 |
1386 |
1270 |
614 |
0 |
0 |
| ODI |
0 |
129 |
67 |
469 |
845 |
660 |
32 |
0 |
| CDI |
0 |
55 |
78 |
333 |
866 |
1523 |
364 |
0 |
| VCDI |
0 |
2 |
9 |
163 |
475 |
6808 |
17214 |
16650 |
|
...date precedes bulletin
|
Date: 2024-10-22:
| 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 |
122263 |
12576 |
563 |
848 |
119 |
9 |
0 |
0 |
| OW |
9 |
1997 |
646 |
1286 |
625 |
101 |
0 |
0 |
| VODI |
1 |
187 |
191 |
1255 |
1143 |
444 |
1 |
0 |
| ODI |
0 |
52 |
41 |
436 |
1793 |
1077 |
53 |
0 |
| CDI |
0 |
25 |
43 |
185 |
2517 |
3469 |
157 |
0 |
| VCDI |
0 |
1 |
15 |
116 |
1148 |
7295 |
17315 |
14741 |
|
...date precedes bulletin
|
Date: 2024-10-24:
| 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 |
119342 |
12946 |
411 |
840 |
737 |
0 |
0 |
0 |
| OW |
33 |
1004 |
399 |
1045 |
876 |
113 |
0 |
0 |
| VODI |
2 |
114 |
121 |
918 |
1609 |
946 |
4 |
0 |
| ODI |
0 |
28 |
42 |
339 |
1290 |
1575 |
38 |
0 |
| CDI |
0 |
21 |
20 |
296 |
1360 |
4191 |
398 |
0 |
| VCDI |
0 |
13 |
14 |
87 |
549 |
10145 |
19940 |
12937 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
119353 |
13103 |
431 |
962 |
942 |
31 |
0 |
0 |
| OW |
22 |
859 |
379 |
899 |
734 |
223 |
0 |
0 |
| VODI |
2 |
110 |
126 |
930 |
1499 |
909 |
2 |
0 |
| ODI |
0 |
23 |
40 |
345 |
1359 |
1659 |
27 |
0 |
| CDI |
0 |
20 |
17 |
297 |
1282 |
4210 |
448 |
0 |
| VCDI |
0 |
11 |
14 |
92 |
605 |
9938 |
19903 |
12937 |
|
Date: 2024-10-26:
| 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 |
113551 |
17019 |
269 |
491 |
245 |
40 |
0 |
0 |
| OW |
0 |
1132 |
427 |
813 |
884 |
437 |
0 |
0 |
| VODI |
3 |
165 |
189 |
738 |
1068 |
855 |
22 |
0 |
| ODI |
0 |
30 |
52 |
393 |
1072 |
1852 |
111 |
0 |
| CDI |
0 |
4 |
30 |
301 |
1167 |
4270 |
771 |
11 |
| VCDI |
0 |
0 |
1 |
78 |
551 |
9303 |
21233 |
15165 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
113550 |
17195 |
333 |
631 |
508 |
153 |
0 |
0 |
| OW |
1 |
967 |
372 |
689 |
742 |
444 |
6 |
0 |
| VODI |
3 |
162 |
187 |
750 |
967 |
930 |
40 |
0 |
| ODI |
0 |
24 |
49 |
378 |
973 |
1760 |
87 |
0 |
| CDI |
0 |
2 |
27 |
289 |
1195 |
4371 |
901 |
7 |
| VCDI |
0 |
0 |
0 |
77 |
602 |
9099 |
21103 |
15169 |
|
Date: 2024-10-28:
| 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 |
117956 |
11675 |
302 |
179 |
17 |
0 |
0 |
0 |
| OW |
4 |
921 |
558 |
765 |
146 |
16 |
0 |
0 |
| VODI |
3 |
20 |
100 |
1436 |
607 |
105 |
0 |
0 |
| ODI |
0 |
0 |
4 |
309 |
1533 |
1136 |
87 |
0 |
| CDI |
0 |
0 |
0 |
96 |
1064 |
6354 |
755 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
463 |
8489 |
21086 |
18541 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
117943 |
11041 |
341 |
486 |
312 |
98 |
4 |
0 |
| OW |
17 |
1321 |
374 |
717 |
443 |
444 |
53 |
0 |
| VODI |
3 |
243 |
191 |
878 |
761 |
802 |
188 |
0 |
| ODI |
0 |
11 |
49 |
395 |
695 |
1484 |
185 |
0 |
| CDI |
0 |
0 |
9 |
296 |
860 |
3554 |
730 |
0 |
| VCDI |
0 |
0 |
0 |
29 |
759 |
9718 |
20768 |
18541 |
|
Date: 2024-10-30:
| 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 |
116670 |
11554 |
419 |
412 |
21 |
0 |
0 |
0 |
| OW |
10 |
997 |
418 |
925 |
146 |
0 |
0 |
0 |
| VODI |
3 |
144 |
140 |
1111 |
634 |
67 |
6 |
0 |
| ODI |
0 |
0 |
30 |
406 |
1150 |
432 |
13 |
0 |
| CDI |
0 |
0 |
0 |
181 |
1537 |
3552 |
421 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
388 |
11617 |
22522 |
18815 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
116661 |
10613 |
439 |
747 |
367 |
21 |
0 |
0 |
| OW |
19 |
1648 |
265 |
623 |
470 |
126 |
23 |
0 |
| VODI |
3 |
354 |
198 |
875 |
693 |
593 |
178 |
0 |
| ODI |
0 |
67 |
69 |
437 |
883 |
1083 |
241 |
0 |
| CDI |
0 |
13 |
36 |
299 |
999 |
2801 |
849 |
0 |
| VCDI |
0 |
0 |
0 |
56 |
464 |
11044 |
21671 |
18815 |
|
Date: 2024-11-01:
| 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 |
114454 |
12272 |
488 |
616 |
71 |
0 |
0 |
0 |
| OW |
9 |
1027 |
360 |
1072 |
264 |
5 |
0 |
0 |
| VODI |
3 |
186 |
186 |
1012 |
813 |
113 |
3 |
0 |
| ODI |
0 |
17 |
29 |
392 |
1017 |
467 |
25 |
0 |
| CDI |
0 |
6 |
8 |
216 |
1469 |
2291 |
428 |
0 |
| VCDI |
0 |
1 |
0 |
17 |
503 |
10454 |
25600 |
18849 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
114455 |
11647 |
531 |
1146 |
405 |
73 |
0 |
0 |
| OW |
8 |
1281 |
222 |
680 |
495 |
106 |
5 |
0 |
| VODI |
3 |
482 |
229 |
680 |
813 |
716 |
131 |
0 |
| ODI |
0 |
67 |
57 |
467 |
727 |
940 |
302 |
0 |
| CDI |
0 |
23 |
22 |
285 |
1244 |
2341 |
1065 |
0 |
| VCDI |
0 |
9 |
10 |
67 |
453 |
9154 |
24553 |
18849 |
|
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