Validation of sea ice concentration - Full domain
Bulletin date: 2024-10-17
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-10-11:
| 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 |
131199 |
16310 |
426 |
226 |
0 |
0 |
0 |
0 |
| OW |
24 |
958 |
533 |
1300 |
168 |
0 |
0 |
0 |
| VODI |
5 |
73 |
129 |
917 |
1054 |
86 |
0 |
0 |
| ODI |
2 |
14 |
22 |
226 |
1128 |
654 |
15 |
0 |
| CDI |
7 |
24 |
5 |
189 |
697 |
2527 |
959 |
0 |
| VCDI |
1 |
24 |
2 |
34 |
403 |
4561 |
15468 |
14373 |
|
...date precedes bulletin
|
Date: 2024-10-13:
| 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 |
129173 |
17007 |
546 |
585 |
4 |
0 |
0 |
0 |
| OW |
43 |
1128 |
497 |
1175 |
328 |
0 |
0 |
0 |
| VODI |
0 |
230 |
105 |
718 |
1031 |
329 |
0 |
0 |
| ODI |
0 |
95 |
47 |
239 |
685 |
860 |
29 |
0 |
| CDI |
0 |
63 |
82 |
289 |
578 |
1875 |
1113 |
0 |
| VCDI |
0 |
5 |
0 |
108 |
585 |
4222 |
16603 |
14366 |
|
...date precedes bulletin
|
Date: 2024-10-15:
| 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 |
125827 |
19029 |
722 |
722 |
13 |
0 |
0 |
0 |
| OW |
8 |
823 |
463 |
1268 |
122 |
0 |
0 |
0 |
| VODI |
1 |
124 |
77 |
1207 |
867 |
16 |
0 |
0 |
| ODI |
1 |
45 |
32 |
219 |
1268 |
296 |
18 |
0 |
| CDI |
9 |
40 |
48 |
232 |
766 |
2632 |
453 |
1 |
| VCDI |
0 |
19 |
6 |
55 |
302 |
5372 |
16073 |
15567 |
|
...date precedes bulletin
|
Date: 2024-10-17:
| 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 |
124850 |
16521 |
931 |
1708 |
71 |
0 |
0 |
0 |
| OW |
20 |
1335 |
333 |
1078 |
454 |
28 |
0 |
0 |
| VODI |
0 |
228 |
126 |
985 |
963 |
140 |
0 |
0 |
| ODI |
0 |
52 |
52 |
277 |
942 |
609 |
0 |
0 |
| CDI |
1 |
61 |
58 |
290 |
682 |
2060 |
305 |
1 |
| VCDI |
0 |
24 |
6 |
98 |
436 |
4961 |
18504 |
15553 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
124842 |
16703 |
954 |
1891 |
144 |
13 |
0 |
0 |
| OW |
28 |
1145 |
306 |
917 |
449 |
29 |
0 |
0 |
| VODI |
0 |
234 |
135 |
945 |
861 |
169 |
0 |
0 |
| ODI |
0 |
54 |
47 |
296 |
884 |
498 |
0 |
0 |
| CDI |
1 |
60 |
61 |
285 |
764 |
2022 |
249 |
2 |
| VCDI |
0 |
25 |
3 |
102 |
446 |
5067 |
18560 |
15552 |
|
Date: 2024-10-19:
| 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 |
123721 |
13951 |
598 |
1099 |
537 |
237 |
0 |
0 |
| OW |
7 |
1758 |
458 |
1154 |
1610 |
114 |
0 |
0 |
| VODI |
0 |
466 |
202 |
1142 |
1055 |
412 |
6 |
0 |
| ODI |
0 |
92 |
49 |
421 |
844 |
650 |
1 |
0 |
| CDI |
0 |
30 |
45 |
361 |
792 |
1880 |
295 |
0 |
| VCDI |
0 |
8 |
14 |
115 |
411 |
4973 |
19055 |
16180 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
123708 |
14297 |
720 |
1314 |
870 |
271 |
0 |
0 |
| OW |
20 |
1411 |
359 |
997 |
1490 |
147 |
4 |
0 |
| VODI |
0 |
459 |
177 |
1135 |
864 |
389 |
3 |
0 |
| ODI |
0 |
97 |
50 |
388 |
746 |
541 |
0 |
0 |
| CDI |
0 |
33 |
43 |
334 |
883 |
1771 |
173 |
0 |
| VCDI |
0 |
8 |
17 |
124 |
396 |
5147 |
19177 |
16180 |
|
Date: 2024-10-21:
| 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 |
123380 |
12716 |
429 |
804 |
102 |
14 |
0 |
0 |
| OW |
3 |
2289 |
762 |
1031 |
425 |
60 |
0 |
0 |
| VODI |
4 |
133 |
133 |
1562 |
1226 |
458 |
2 |
0 |
| ODI |
0 |
13 |
21 |
409 |
2235 |
944 |
54 |
0 |
| CDI |
0 |
1 |
4 |
219 |
1675 |
3721 |
180 |
0 |
| VCDI |
0 |
0 |
0 |
33 |
543 |
6408 |
16959 |
15791 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
123380 |
11976 |
466 |
1078 |
656 |
297 |
1 |
0 |
| OW |
4 |
1922 |
414 |
962 |
963 |
1004 |
37 |
0 |
| VODI |
3 |
981 |
279 |
920 |
1420 |
759 |
56 |
0 |
| ODI |
0 |
161 |
112 |
484 |
926 |
547 |
14 |
0 |
| CDI |
0 |
105 |
63 |
445 |
1075 |
1331 |
168 |
0 |
| VCDI |
0 |
7 |
15 |
169 |
1166 |
7667 |
16919 |
15791 |
|
Date: 2024-10-23:
| 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 |
121791 |
11509 |
571 |
1305 |
210 |
0 |
0 |
0 |
| OW |
44 |
1347 |
470 |
1435 |
570 |
106 |
0 |
0 |
| VODI |
1 |
117 |
136 |
1435 |
1367 |
683 |
1 |
0 |
| ODI |
0 |
24 |
16 |
439 |
1371 |
1384 |
42 |
0 |
| CDI |
0 |
24 |
14 |
290 |
1617 |
4388 |
206 |
0 |
| VCDI |
0 |
12 |
13 |
85 |
535 |
9887 |
18762 |
12536 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
121780 |
10381 |
460 |
1466 |
336 |
206 |
4 |
0 |
| OW |
55 |
1652 |
301 |
1008 |
944 |
1154 |
90 |
0 |
| VODI |
1 |
756 |
320 |
1244 |
1593 |
1817 |
121 |
0 |
| ODI |
0 |
139 |
87 |
692 |
1045 |
1099 |
25 |
0 |
| CDI |
0 |
68 |
27 |
402 |
1309 |
2824 |
318 |
0 |
| VCDI |
0 |
37 |
25 |
177 |
443 |
9348 |
18453 |
12536 |
|
Date: 2024-10-25:
| 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 |
118554 |
12713 |
433 |
607 |
600 |
3 |
0 |
0 |
| OW |
27 |
976 |
300 |
1008 |
1169 |
72 |
0 |
0 |
| VODI |
2 |
104 |
183 |
791 |
1225 |
979 |
26 |
0 |
| ODI |
0 |
18 |
21 |
366 |
1181 |
1748 |
241 |
0 |
| CDI |
0 |
15 |
19 |
372 |
987 |
4405 |
433 |
0 |
| VCDI |
0 |
2 |
9 |
97 |
485 |
9537 |
21708 |
13327 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
118523 |
11363 |
296 |
528 |
1025 |
74 |
0 |
0 |
| OW |
58 |
1553 |
292 |
757 |
956 |
773 |
9 |
0 |
| VODI |
2 |
701 |
213 |
844 |
1420 |
2271 |
423 |
0 |
| ODI |
0 |
155 |
102 |
414 |
925 |
2625 |
201 |
0 |
| CDI |
0 |
44 |
41 |
538 |
746 |
3019 |
635 |
0 |
| VCDI |
0 |
12 |
21 |
160 |
575 |
7982 |
21140 |
13327 |
|
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