Validation of sea ice concentration - Full domain
Bulletin date: 2023-10-12
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-10-06:
| 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 |
121397 |
18180 |
764 |
1440 |
466 |
187 |
9 |
0 |
| OW |
0 |
1025 |
309 |
856 |
797 |
229 |
9 |
0 |
| VODI |
0 |
219 |
188 |
544 |
663 |
617 |
69 |
0 |
| ODI |
0 |
28 |
59 |
341 |
499 |
685 |
184 |
0 |
| CDI |
0 |
4 |
21 |
243 |
635 |
1422 |
1256 |
1 |
| VCDI |
0 |
0 |
2 |
109 |
456 |
3552 |
16919 |
12664 |
|
...date precedes bulletin
|
Date: 2023-10-08:
| 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 |
120506 |
17296 |
656 |
1364 |
704 |
89 |
2 |
0 |
| OW |
29 |
1316 |
359 |
1033 |
852 |
200 |
15 |
0 |
| VODI |
0 |
172 |
162 |
667 |
956 |
682 |
107 |
0 |
| ODI |
0 |
38 |
24 |
383 |
371 |
736 |
352 |
0 |
| CDI |
0 |
16 |
33 |
185 |
485 |
945 |
1251 |
0 |
| VCDI |
0 |
0 |
5 |
84 |
409 |
3033 |
16888 |
14643 |
|
...date precedes bulletin
|
Date: 2023-10-10:
| 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 |
116278 |
20422 |
1108 |
1899 |
454 |
37 |
0 |
0 |
| OW |
2 |
261 |
164 |
1262 |
453 |
47 |
0 |
0 |
| VODI |
0 |
14 |
34 |
816 |
1003 |
152 |
2 |
0 |
| ODI |
0 |
0 |
11 |
133 |
1294 |
459 |
37 |
0 |
| CDI |
0 |
0 |
0 |
53 |
710 |
2120 |
552 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
92 |
1990 |
16287 |
18898 |
|
...date precedes bulletin
|
Date: 2023-10-12:
| 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 |
116138 |
19197 |
864 |
1507 |
438 |
38 |
0 |
0 |
| OW |
17 |
954 |
242 |
1091 |
712 |
67 |
0 |
0 |
| VODI |
0 |
128 |
112 |
723 |
1089 |
181 |
1 |
0 |
| ODI |
0 |
14 |
15 |
211 |
941 |
546 |
14 |
0 |
| CDI |
0 |
0 |
10 |
95 |
485 |
1567 |
522 |
1 |
| VCDI |
0 |
0 |
0 |
27 |
357 |
3369 |
17840 |
17535 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
116109 |
19556 |
938 |
1794 |
531 |
64 |
0 |
0 |
| OW |
46 |
620 |
175 |
839 |
575 |
65 |
0 |
0 |
| VODI |
0 |
103 |
100 |
658 |
1124 |
158 |
1 |
0 |
| ODI |
0 |
14 |
20 |
227 |
927 |
572 |
12 |
0 |
| CDI |
0 |
0 |
10 |
95 |
462 |
1443 |
468 |
1 |
| VCDI |
0 |
0 |
0 |
41 |
403 |
3466 |
17896 |
17535 |
|
Date: 2023-10-14:
| 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 |
116025 |
17339 |
670 |
967 |
463 |
161 |
0 |
0 |
| OW |
215 |
1313 |
514 |
1254 |
884 |
128 |
1 |
0 |
| VODI |
3 |
276 |
194 |
817 |
952 |
360 |
13 |
0 |
| ODI |
0 |
56 |
49 |
288 |
699 |
584 |
20 |
0 |
| CDI |
0 |
2 |
34 |
170 |
544 |
1213 |
200 |
2 |
| VCDI |
0 |
0 |
1 |
113 |
544 |
4462 |
16734 |
18784 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
116117 |
17330 |
756 |
1201 |
638 |
212 |
0 |
0 |
| OW |
126 |
1310 |
421 |
898 |
683 |
103 |
3 |
0 |
| VODI |
0 |
275 |
206 |
944 |
961 |
297 |
10 |
0 |
| ODI |
0 |
68 |
43 |
259 |
708 |
563 |
17 |
0 |
| CDI |
0 |
3 |
31 |
171 |
516 |
1129 |
224 |
2 |
| VCDI |
0 |
0 |
5 |
136 |
580 |
4604 |
16714 |
18784 |
|
Date: 2023-10-16:
| 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 |
112802 |
19007 |
1034 |
1253 |
254 |
40 |
0 |
0 |
| OW |
52 |
960 |
465 |
1202 |
302 |
77 |
0 |
0 |
| VODI |
3 |
25 |
81 |
1204 |
889 |
101 |
2 |
0 |
| ODI |
0 |
0 |
22 |
214 |
1959 |
559 |
31 |
15 |
| CDI |
0 |
0 |
0 |
126 |
775 |
2906 |
144 |
24 |
| VCDI |
0 |
0 |
0 |
14 |
319 |
3978 |
16631 |
19578 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
112836 |
18006 |
931 |
1446 |
636 |
197 |
8 |
0 |
| OW |
21 |
1509 |
348 |
923 |
531 |
227 |
15 |
0 |
| VODI |
0 |
381 |
208 |
897 |
1328 |
768 |
50 |
0 |
| ODI |
0 |
83 |
73 |
332 |
668 |
679 |
61 |
0 |
| CDI |
0 |
13 |
25 |
231 |
550 |
1148 |
247 |
2 |
| VCDI |
0 |
0 |
17 |
184 |
785 |
4642 |
16427 |
19615 |
|
Date: 2023-10-18:
| 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 |
108634 |
18164 |
981 |
2000 |
568 |
67 |
0 |
0 |
| OW |
48 |
1793 |
462 |
1801 |
822 |
169 |
0 |
0 |
| VODI |
3 |
243 |
154 |
869 |
1431 |
309 |
6 |
0 |
| ODI |
0 |
4 |
19 |
152 |
1073 |
945 |
35 |
0 |
| CDI |
0 |
0 |
3 |
110 |
571 |
2191 |
657 |
1 |
| VCDI |
0 |
0 |
0 |
2 |
340 |
4129 |
15684 |
22608 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
108650 |
18306 |
956 |
2480 |
986 |
265 |
1 |
0 |
| OW |
34 |
1280 |
330 |
1035 |
985 |
330 |
25 |
0 |
| VODI |
1 |
544 |
258 |
779 |
1067 |
1063 |
129 |
0 |
| ODI |
0 |
50 |
47 |
377 |
536 |
1042 |
247 |
0 |
| CDI |
0 |
19 |
16 |
169 |
553 |
827 |
703 |
4 |
| VCDI |
0 |
5 |
12 |
94 |
678 |
4283 |
15277 |
22605 |
|
Date: 2023-10-20:
| 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 |
105988 |
17477 |
1046 |
1670 |
776 |
45 |
0 |
0 |
| OW |
71 |
1175 |
392 |
1587 |
1644 |
294 |
0 |
0 |
| VODI |
2 |
458 |
253 |
1269 |
2034 |
891 |
1 |
0 |
| ODI |
0 |
9 |
13 |
255 |
864 |
1119 |
39 |
0 |
| CDI |
0 |
0 |
1 |
107 |
573 |
1633 |
162 |
0 |
| VCDI |
0 |
0 |
0 |
60 |
601 |
6553 |
18999 |
18987 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
106050 |
17231 |
1137 |
2085 |
1515 |
436 |
0 |
0 |
| OW |
10 |
1121 |
249 |
1193 |
1922 |
728 |
0 |
0 |
| VODI |
1 |
697 |
236 |
1061 |
991 |
1485 |
26 |
0 |
| ODI |
0 |
61 |
79 |
381 |
728 |
1020 |
264 |
0 |
| CDI |
0 |
9 |
4 |
192 |
697 |
906 |
596 |
0 |
| VCDI |
0 |
0 |
0 |
36 |
639 |
5960 |
18315 |
18987 |
|
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