Validation of sea ice concentration
Bulletin date: 2024-12-12
Model vs. observations, sea ice class contingency tables
Date: 2024-12-06:
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 |
72818 |
23992 |
2512 |
172 |
36 |
9 |
1 |
0 |
OW |
0 |
1473 |
1802 |
441 |
112 |
108 |
10 |
0 |
VODI |
0 |
474 |
1444 |
847 |
404 |
353 |
205 |
0 |
ODI |
0 |
50 |
438 |
683 |
599 |
685 |
1166 |
0 |
CDI |
0 |
28 |
207 |
309 |
343 |
1011 |
5595 |
10 |
VCDI |
0 |
1 |
50 |
144 |
215 |
717 |
19154 |
20226 |
|
...date precedes bulletin
|
Date: 2024-12-10:
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 |
70635 |
26171 |
2534 |
312 |
25 |
2 |
1 |
0 |
OW |
0 |
1035 |
1879 |
987 |
275 |
25 |
11 |
0 |
VODI |
0 |
87 |
707 |
1096 |
923 |
339 |
75 |
0 |
ODI |
0 |
1 |
126 |
616 |
592 |
986 |
437 |
0 |
CDI |
0 |
1 |
43 |
160 |
507 |
2225 |
2181 |
3 |
VCDI |
0 |
0 |
21 |
88 |
171 |
1574 |
23193 |
18800 |
|
...date precedes bulletin
|
Date: 2024-12-12:
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 |
70706 |
24775 |
2517 |
325 |
28 |
4 |
4 |
0 |
OW |
0 |
1048 |
1581 |
916 |
297 |
131 |
25 |
0 |
VODI |
0 |
162 |
585 |
863 |
750 |
648 |
130 |
0 |
ODI |
0 |
40 |
172 |
315 |
541 |
747 |
785 |
0 |
CDI |
0 |
40 |
126 |
190 |
421 |
1187 |
3102 |
1 |
VCDI |
0 |
0 |
16 |
19 |
137 |
996 |
24808 |
19706 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
70706 |
25009 |
2885 |
435 |
71 |
17 |
10 |
0 |
OW |
0 |
853 |
1468 |
879 |
312 |
191 |
22 |
0 |
VODI |
0 |
113 |
410 |
907 |
752 |
701 |
242 |
0 |
ODI |
0 |
38 |
115 |
281 |
514 |
825 |
936 |
0 |
CDI |
0 |
43 |
114 |
118 |
401 |
1216 |
3358 |
1 |
VCDI |
0 |
9 |
5 |
8 |
124 |
763 |
24286 |
19706 |
|
Date: 2024-12-16:
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 |
67854 |
25781 |
2388 |
409 |
117 |
12 |
13 |
0 |
OW |
0 |
1342 |
1813 |
524 |
119 |
67 |
35 |
0 |
VODI |
0 |
39 |
863 |
816 |
533 |
379 |
142 |
0 |
ODI |
0 |
1 |
245 |
301 |
462 |
728 |
638 |
36 |
CDI |
0 |
4 |
100 |
188 |
325 |
1172 |
4423 |
210 |
VCDI |
0 |
0 |
27 |
42 |
110 |
803 |
23214 |
22569 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
67854 |
25036 |
2496 |
514 |
166 |
79 |
66 |
0 |
OW |
0 |
1456 |
1128 |
493 |
163 |
232 |
214 |
0 |
VODI |
0 |
583 |
1013 |
501 |
372 |
519 |
820 |
0 |
ODI |
0 |
86 |
511 |
351 |
333 |
553 |
1220 |
40 |
CDI |
0 |
5 |
259 |
371 |
481 |
874 |
4628 |
225 |
VCDI |
0 |
1 |
29 |
50 |
151 |
904 |
21517 |
22550 |
|
Date: 2024-12-18:
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 |
65567 |
25497 |
3648 |
435 |
83 |
58 |
2 |
0 |
OW |
0 |
518 |
1735 |
895 |
308 |
95 |
27 |
0 |
VODI |
0 |
50 |
578 |
929 |
739 |
318 |
200 |
0 |
ODI |
0 |
11 |
194 |
435 |
652 |
594 |
655 |
7 |
CDI |
0 |
3 |
122 |
334 |
548 |
1292 |
6100 |
26 |
VCDI |
0 |
0 |
7 |
120 |
394 |
877 |
25695 |
19096 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
65567 |
24910 |
3267 |
672 |
139 |
102 |
40 |
0 |
OW |
0 |
903 |
1496 |
601 |
319 |
229 |
71 |
0 |
VODI |
0 |
216 |
925 |
921 |
646 |
514 |
568 |
0 |
ODI |
0 |
38 |
373 |
480 |
635 |
553 |
1392 |
0 |
CDI |
0 |
11 |
212 |
375 |
676 |
940 |
4757 |
16 |
VCDI |
0 |
1 |
11 |
99 |
309 |
896 |
25851 |
19113 |
|
Date: 2024-12-20:
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 |
64240 |
24962 |
2891 |
856 |
189 |
45 |
3 |
0 |
OW |
0 |
621 |
1178 |
918 |
637 |
249 |
20 |
0 |
VODI |
0 |
162 |
440 |
926 |
961 |
567 |
184 |
0 |
ODI |
0 |
35 |
190 |
477 |
774 |
818 |
841 |
0 |
CDI |
0 |
13 |
130 |
482 |
937 |
1935 |
7324 |
11 |
VCDI |
0 |
0 |
8 |
62 |
248 |
683 |
25087 |
18740 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
64240 |
24578 |
2731 |
1136 |
606 |
167 |
16 |
0 |
OW |
0 |
973 |
891 |
591 |
440 |
214 |
88 |
0 |
VODI |
0 |
221 |
897 |
882 |
956 |
596 |
442 |
0 |
ODI |
0 |
10 |
237 |
548 |
811 |
851 |
1601 |
0 |
CDI |
0 |
11 |
79 |
445 |
716 |
1663 |
5331 |
53 |
VCDI |
0 |
0 |
2 |
119 |
217 |
806 |
25981 |
18698 |
|
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