Validation of sea ice concentration - Full domain
Bulletin date: 2024-02-29
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-02-23:
| 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 |
64551 |
16479 |
238 |
313 |
54 |
1 |
0 |
0 |
| OW |
55 |
1522 |
409 |
684 |
123 |
16 |
0 |
0 |
| VODI |
3 |
542 |
276 |
915 |
390 |
76 |
14 |
0 |
| ODI |
2 |
108 |
96 |
722 |
815 |
360 |
6 |
0 |
| CDI |
0 |
59 |
44 |
413 |
1474 |
2360 |
692 |
6 |
| VCDI |
0 |
26 |
13 |
250 |
1524 |
6632 |
26746 |
65734 |
|
...date precedes bulletin
|
Date: 2024-02-25:
| 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 |
64600 |
16423 |
246 |
339 |
31 |
3 |
0 |
0 |
| OW |
14 |
1600 |
340 |
574 |
145 |
26 |
0 |
0 |
| VODI |
9 |
690 |
231 |
794 |
448 |
84 |
3 |
0 |
| ODI |
4 |
215 |
132 |
676 |
702 |
329 |
12 |
0 |
| CDI |
0 |
106 |
77 |
600 |
1343 |
2341 |
793 |
0 |
| VCDI |
0 |
103 |
42 |
360 |
1419 |
7158 |
27091 |
64640 |
|
...date precedes bulletin
|
Date: 2024-02-27:
| 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 |
63449 |
17466 |
369 |
599 |
32 |
0 |
0 |
0 |
| OW |
18 |
1304 |
405 |
918 |
309 |
5 |
0 |
0 |
| VODI |
0 |
245 |
81 |
996 |
807 |
80 |
0 |
0 |
| ODI |
0 |
104 |
28 |
409 |
974 |
467 |
2 |
0 |
| CDI |
0 |
116 |
47 |
362 |
1428 |
3054 |
885 |
27 |
| VCDI |
0 |
52 |
36 |
194 |
941 |
7095 |
26722 |
64717 |
|
...date precedes bulletin
|
Date: 2024-02-29:
| 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 |
63769 |
16890 |
317 |
436 |
24 |
4 |
0 |
0 |
| OW |
2 |
1444 |
249 |
868 |
273 |
17 |
0 |
0 |
| VODI |
0 |
473 |
191 |
830 |
704 |
135 |
0 |
0 |
| ODI |
0 |
165 |
76 |
607 |
814 |
452 |
0 |
0 |
| CDI |
0 |
158 |
77 |
518 |
1645 |
1884 |
966 |
1 |
| VCDI |
0 |
89 |
35 |
329 |
1597 |
7660 |
28261 |
62783 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63769 |
16996 |
330 |
455 |
29 |
4 |
0 |
0 |
| OW |
2 |
1355 |
227 |
849 |
273 |
17 |
0 |
0 |
| VODI |
0 |
453 |
194 |
842 |
706 |
148 |
0 |
0 |
| ODI |
0 |
159 |
76 |
574 |
810 |
414 |
0 |
0 |
| CDI |
0 |
170 |
83 |
523 |
1647 |
1862 |
948 |
3 |
| VCDI |
0 |
86 |
35 |
345 |
1592 |
7707 |
28279 |
62781 |
|
Date: 2024-03-02:
| 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 |
64225 |
16522 |
266 |
321 |
15 |
0 |
0 |
0 |
| OW |
0 |
1493 |
338 |
684 |
187 |
1 |
0 |
0 |
| VODI |
0 |
508 |
245 |
991 |
534 |
77 |
0 |
0 |
| ODI |
0 |
212 |
91 |
637 |
1046 |
225 |
1 |
0 |
| CDI |
0 |
249 |
100 |
568 |
1795 |
2083 |
312 |
12 |
| VCDI |
0 |
47 |
50 |
336 |
1509 |
8766 |
26689 |
63608 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64225 |
16642 |
301 |
327 |
20 |
0 |
0 |
0 |
| OW |
0 |
1385 |
313 |
705 |
186 |
0 |
0 |
0 |
| VODI |
0 |
478 |
239 |
968 |
541 |
92 |
0 |
0 |
| ODI |
0 |
225 |
75 |
619 |
1049 |
174 |
3 |
0 |
| CDI |
0 |
237 |
100 |
540 |
1745 |
1981 |
335 |
12 |
| VCDI |
0 |
64 |
62 |
378 |
1545 |
8905 |
26664 |
63608 |
|
Date: 2024-03-04:
| 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 |
63578 |
17450 |
265 |
371 |
42 |
0 |
0 |
0 |
| OW |
17 |
1404 |
486 |
634 |
101 |
0 |
0 |
0 |
| VODI |
7 |
178 |
169 |
1485 |
436 |
12 |
0 |
0 |
| ODI |
0 |
61 |
55 |
597 |
1500 |
149 |
0 |
0 |
| CDI |
0 |
23 |
9 |
423 |
1994 |
3169 |
311 |
22 |
| VCDI |
0 |
2 |
0 |
22 |
539 |
6651 |
27847 |
64734 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63602 |
16904 |
309 |
445 |
44 |
0 |
0 |
0 |
| OW |
0 |
1240 |
287 |
665 |
266 |
5 |
0 |
0 |
| VODI |
0 |
584 |
169 |
916 |
506 |
104 |
0 |
0 |
| ODI |
0 |
228 |
92 |
576 |
895 |
126 |
3 |
3 |
| CDI |
0 |
140 |
113 |
695 |
1744 |
2086 |
639 |
26 |
| VCDI |
0 |
22 |
14 |
235 |
1157 |
7660 |
27516 |
64727 |
|
Date: 2024-03-06:
| 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 |
63928 |
17221 |
236 |
297 |
25 |
0 |
0 |
0 |
| OW |
36 |
1331 |
458 |
752 |
90 |
0 |
0 |
0 |
| VODI |
1 |
267 |
243 |
1096 |
516 |
17 |
0 |
0 |
| ODI |
0 |
86 |
69 |
660 |
1085 |
228 |
7 |
0 |
| CDI |
0 |
36 |
44 |
475 |
1841 |
2989 |
812 |
32 |
| VCDI |
0 |
4 |
1 |
61 |
573 |
5376 |
21584 |
72266 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63965 |
16355 |
301 |
477 |
78 |
1 |
0 |
0 |
| OW |
0 |
1268 |
248 |
616 |
219 |
13 |
1 |
0 |
| VODI |
0 |
828 |
210 |
696 |
489 |
62 |
10 |
0 |
| ODI |
0 |
274 |
144 |
577 |
703 |
227 |
24 |
0 |
| CDI |
0 |
203 |
110 |
684 |
1668 |
2246 |
869 |
36 |
| VCDI |
0 |
17 |
38 |
291 |
973 |
6061 |
21499 |
72262 |
|
Date: 2024-03-08:
| 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 |
63857 |
16760 |
224 |
172 |
15 |
0 |
0 |
0 |
| OW |
0 |
1319 |
494 |
748 |
132 |
0 |
0 |
0 |
| VODI |
0 |
340 |
227 |
1221 |
558 |
39 |
0 |
0 |
| ODI |
0 |
94 |
84 |
646 |
1155 |
299 |
9 |
0 |
| CDI |
0 |
63 |
47 |
371 |
1638 |
3180 |
1414 |
10 |
| VCDI |
0 |
0 |
5 |
80 |
519 |
4911 |
20745 |
73367 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63857 |
15941 |
257 |
396 |
85 |
0 |
0 |
0 |
| OW |
0 |
1408 |
303 |
532 |
215 |
3 |
0 |
0 |
| VODI |
0 |
751 |
281 |
876 |
536 |
85 |
2 |
0 |
| ODI |
0 |
292 |
99 |
665 |
796 |
375 |
40 |
1 |
| CDI |
0 |
169 |
113 |
543 |
1548 |
2564 |
755 |
22 |
| VCDI |
0 |
15 |
28 |
226 |
837 |
5402 |
21371 |
73354 |
|
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