Validation of sea ice concentration - Full domain
Bulletin date: 2023-10-12
Data source: OSI SAF N.H. multi-product 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 |
130386 |
16338 |
403 |
608 |
165 |
15 |
0 |
0 |
| OW |
0 |
1303 |
419 |
1259 |
428 |
56 |
3 |
0 |
| VODI |
0 |
293 |
218 |
756 |
837 |
331 |
10 |
0 |
| ODI |
0 |
27 |
79 |
471 |
650 |
567 |
30 |
0 |
| CDI |
0 |
4 |
21 |
412 |
1090 |
1572 |
650 |
0 |
| VCDI |
0 |
0 |
0 |
48 |
395 |
4247 |
18078 |
12574 |
|
...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 |
128614 |
16085 |
398 |
690 |
170 |
4 |
0 |
0 |
| OW |
24 |
1649 |
490 |
1324 |
507 |
34 |
0 |
0 |
| VODI |
0 |
250 |
174 |
950 |
1287 |
210 |
0 |
0 |
| ODI |
0 |
58 |
61 |
415 |
704 |
653 |
36 |
0 |
| CDI |
0 |
10 |
37 |
360 |
834 |
1207 |
532 |
18 |
| VCDI |
0 |
0 |
0 |
28 |
323 |
3683 |
18230 |
14694 |
|
...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 |
125891 |
17641 |
663 |
748 |
26 |
1 |
0 |
0 |
| OW |
71 |
813 |
375 |
1751 |
221 |
2 |
0 |
0 |
| VODI |
10 |
13 |
52 |
1243 |
933 |
48 |
0 |
0 |
| ODI |
0 |
0 |
13 |
294 |
1332 |
145 |
9 |
0 |
| CDI |
0 |
0 |
1 |
132 |
1460 |
1775 |
352 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
107 |
2905 |
16730 |
18985 |
|
...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 |
125640 |
16217 |
564 |
818 |
40 |
1 |
0 |
0 |
| OW |
46 |
1633 |
342 |
1317 |
386 |
20 |
0 |
0 |
| VODI |
8 |
187 |
157 |
1056 |
1114 |
91 |
0 |
0 |
| ODI |
2 |
12 |
36 |
344 |
1075 |
320 |
4 |
0 |
| CDI |
0 |
1 |
6 |
212 |
1233 |
1686 |
381 |
1 |
| VCDI |
0 |
0 |
0 |
7 |
249 |
3766 |
18299 |
17472 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
125650 |
16464 |
581 |
974 |
71 |
1 |
0 |
0 |
| OW |
35 |
1394 |
325 |
1226 |
387 |
19 |
0 |
0 |
| VODI |
8 |
180 |
151 |
989 |
1153 |
103 |
0 |
0 |
| ODI |
3 |
11 |
41 |
343 |
1089 |
364 |
7 |
0 |
| CDI |
0 |
1 |
7 |
217 |
1135 |
1882 |
543 |
1 |
| VCDI |
0 |
0 |
0 |
5 |
262 |
3515 |
18134 |
17472 |
|
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 |
124382 |
16023 |
607 |
653 |
70 |
1 |
0 |
0 |
| OW |
93 |
1435 |
494 |
1289 |
589 |
39 |
0 |
0 |
| VODI |
14 |
430 |
213 |
996 |
1199 |
314 |
0 |
0 |
| ODI |
0 |
41 |
73 |
342 |
849 |
517 |
6 |
0 |
| CDI |
0 |
0 |
19 |
364 |
932 |
1657 |
237 |
1 |
| VCDI |
0 |
0 |
0 |
63 |
537 |
4520 |
16911 |
18833 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
124393 |
16339 |
677 |
913 |
173 |
10 |
0 |
0 |
| OW |
82 |
1216 |
431 |
1072 |
495 |
67 |
0 |
0 |
| VODI |
14 |
341 |
217 |
902 |
1225 |
315 |
0 |
0 |
| ODI |
0 |
32 |
71 |
365 |
831 |
550 |
7 |
0 |
| CDI |
0 |
1 |
10 |
362 |
867 |
1790 |
350 |
1 |
| VCDI |
0 |
0 |
0 |
93 |
585 |
4316 |
16797 |
18833 |
|
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 |
120421 |
18142 |
844 |
724 |
42 |
0 |
0 |
0 |
| OW |
19 |
1204 |
568 |
1154 |
128 |
0 |
0 |
0 |
| VODI |
2 |
81 |
162 |
1658 |
820 |
29 |
0 |
0 |
| ODI |
0 |
4 |
11 |
422 |
1857 |
194 |
1 |
2 |
| CDI |
0 |
0 |
0 |
203 |
1407 |
3573 |
87 |
19 |
| VCDI |
0 |
0 |
0 |
7 |
378 |
4047 |
16920 |
19613 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
120391 |
17775 |
839 |
1197 |
234 |
16 |
1 |
0 |
| OW |
48 |
1132 |
332 |
931 |
585 |
94 |
7 |
0 |
| VODI |
3 |
431 |
238 |
961 |
1433 |
481 |
26 |
0 |
| ODI |
0 |
85 |
123 |
410 |
799 |
1080 |
32 |
0 |
| CDI |
0 |
8 |
53 |
487 |
847 |
2104 |
942 |
0 |
| VCDI |
0 |
0 |
0 |
182 |
734 |
4068 |
16000 |
19634 |
|
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 |
115987 |
18479 |
928 |
2011 |
335 |
2 |
0 |
0 |
| OW |
27 |
1093 |
475 |
1561 |
543 |
68 |
0 |
0 |
| VODI |
8 |
165 |
95 |
1052 |
1191 |
114 |
0 |
0 |
| ODI |
2 |
46 |
25 |
348 |
1468 |
661 |
0 |
0 |
| CDI |
0 |
0 |
5 |
167 |
1108 |
2954 |
882 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
396 |
4219 |
15728 |
22600 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
115957 |
18158 |
930 |
2133 |
654 |
39 |
1 |
0 |
| OW |
42 |
992 |
284 |
1145 |
865 |
203 |
7 |
0 |
| VODI |
23 |
539 |
166 |
888 |
1056 |
475 |
48 |
0 |
| ODI |
2 |
89 |
124 |
463 |
705 |
1348 |
210 |
0 |
| CDI |
0 |
5 |
24 |
446 |
939 |
1714 |
1275 |
0 |
| VCDI |
0 |
0 |
0 |
64 |
822 |
4239 |
15069 |
22600 |
|
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 |
115096 |
15849 |
875 |
1525 |
633 |
0 |
0 |
0 |
| OW |
11 |
930 |
368 |
1609 |
1407 |
196 |
0 |
0 |
| VODI |
15 |
190 |
136 |
1232 |
1775 |
412 |
0 |
0 |
| ODI |
1 |
53 |
28 |
390 |
1218 |
789 |
0 |
0 |
| CDI |
0 |
11 |
17 |
292 |
1278 |
3258 |
733 |
0 |
| VCDI |
0 |
0 |
0 |
20 |
591 |
6217 |
18587 |
19001 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
115007 |
15027 |
772 |
1852 |
1200 |
70 |
0 |
0 |
| OW |
87 |
1122 |
268 |
1030 |
1468 |
293 |
0 |
0 |
| VODI |
27 |
637 |
226 |
987 |
1337 |
820 |
0 |
0 |
| ODI |
2 |
205 |
96 |
524 |
883 |
1119 |
38 |
0 |
| CDI |
0 |
42 |
61 |
466 |
994 |
2510 |
946 |
0 |
| VCDI |
0 |
0 |
1 |
209 |
1020 |
6060 |
18336 |
19001 |
|
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