Validation of sea ice concentration - Full domain
Bulletin date: 2024-10-17
Data source: OSI SAF N.H. AMSR 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 |
114540 |
15806 |
363 |
195 |
3 |
0 |
0 |
0 |
| OW |
1974 |
1416 |
356 |
763 |
266 |
2 |
0 |
0 |
| VODI |
1910 |
285 |
162 |
652 |
999 |
110 |
4 |
0 |
| ODI |
1 |
70 |
51 |
214 |
839 |
774 |
66 |
0 |
| CDI |
2 |
32 |
35 |
141 |
519 |
2482 |
1137 |
0 |
| VCDI |
2 |
18 |
9 |
47 |
241 |
4213 |
19280 |
10831 |
|
...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 |
111298 |
17584 |
585 |
627 |
57 |
0 |
0 |
0 |
| OW |
1990 |
1415 |
379 |
733 |
350 |
26 |
0 |
0 |
| VODI |
1941 |
343 |
111 |
525 |
743 |
607 |
1 |
0 |
| ODI |
0 |
153 |
63 |
176 |
480 |
995 |
48 |
0 |
| CDI |
2 |
204 |
60 |
176 |
391 |
1763 |
1326 |
0 |
| VCDI |
0 |
16 |
22 |
96 |
411 |
4118 |
21948 |
9047 |
|
...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 |
108468 |
19344 |
634 |
682 |
34 |
0 |
0 |
0 |
| OW |
1854 |
1088 |
360 |
742 |
203 |
4 |
0 |
0 |
| VODI |
2129 |
206 |
156 |
847 |
853 |
90 |
0 |
0 |
| ODI |
0 |
75 |
33 |
239 |
845 |
600 |
41 |
0 |
| CDI |
6 |
97 |
43 |
164 |
521 |
2514 |
756 |
0 |
| VCDI |
0 |
22 |
6 |
39 |
257 |
4746 |
18374 |
13738 |
|
...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 |
107975 |
16475 |
722 |
1575 |
281 |
9 |
0 |
0 |
| OW |
1788 |
1424 |
322 |
637 |
529 |
68 |
0 |
0 |
| VODI |
2201 |
262 |
209 |
619 |
819 |
330 |
0 |
0 |
| ODI |
0 |
88 |
41 |
217 |
646 |
829 |
10 |
0 |
| CDI |
3 |
143 |
59 |
185 |
546 |
1897 |
540 |
0 |
| VCDI |
0 |
35 |
27 |
90 |
317 |
4921 |
25019 |
8952 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
107981 |
16611 |
756 |
1702 |
376 |
28 |
0 |
0 |
| OW |
1782 |
1247 |
294 |
511 |
486 |
92 |
0 |
0 |
| VODI |
2201 |
305 |
195 |
598 |
740 |
321 |
0 |
0 |
| ODI |
0 |
87 |
47 |
237 |
616 |
705 |
11 |
0 |
| CDI |
3 |
145 |
61 |
181 |
591 |
1883 |
482 |
0 |
| VCDI |
0 |
32 |
27 |
94 |
329 |
5025 |
25076 |
8952 |
|
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 |
106041 |
15042 |
549 |
785 |
662 |
208 |
0 |
0 |
| OW |
1805 |
2038 |
416 |
742 |
1437 |
246 |
1 |
0 |
| VODI |
2150 |
552 |
265 |
768 |
937 |
498 |
33 |
0 |
| ODI |
0 |
117 |
49 |
268 |
593 |
771 |
38 |
0 |
| CDI |
0 |
119 |
38 |
271 |
605 |
1813 |
437 |
0 |
| VCDI |
0 |
38 |
40 |
104 |
333 |
4988 |
21710 |
13303 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
106044 |
15470 |
606 |
928 |
952 |
294 |
0 |
0 |
| OW |
1804 |
1609 |
390 |
628 |
1340 |
236 |
9 |
0 |
| VODI |
2148 |
550 |
234 |
757 |
773 |
456 |
24 |
0 |
| ODI |
0 |
117 |
50 |
265 |
531 |
632 |
38 |
0 |
| CDI |
0 |
118 |
38 |
245 |
664 |
1739 |
318 |
0 |
| VCDI |
0 |
42 |
39 |
115 |
307 |
5167 |
21830 |
13303 |
|
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 |
106030 |
13357 |
389 |
561 |
200 |
15 |
0 |
0 |
| OW |
1662 |
2775 |
478 |
625 |
465 |
96 |
0 |
0 |
| VODI |
2341 |
326 |
284 |
1007 |
1097 |
627 |
30 |
0 |
| ODI |
0 |
85 |
45 |
323 |
1770 |
1151 |
110 |
0 |
| CDI |
0 |
29 |
50 |
168 |
1383 |
3491 |
422 |
0 |
| VCDI |
0 |
0 |
9 |
95 |
885 |
6422 |
22847 |
9160 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
106089 |
12690 |
440 |
739 |
672 |
383 |
13 |
0 |
| OW |
1746 |
2103 |
358 |
646 |
941 |
1030 |
93 |
0 |
| VODI |
2198 |
1210 |
220 |
684 |
1208 |
765 |
157 |
0 |
| ODI |
0 |
262 |
114 |
248 |
773 |
601 |
54 |
0 |
| CDI |
0 |
250 |
57 |
276 |
728 |
1393 |
234 |
0 |
| VCDI |
0 |
57 |
66 |
186 |
1478 |
7630 |
22858 |
9160 |
|
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 |
105352 |
11652 |
434 |
779 |
312 |
3 |
0 |
0 |
| OW |
1639 |
1612 |
459 |
983 |
562 |
193 |
0 |
0 |
| VODI |
2425 |
277 |
199 |
883 |
1430 |
862 |
10 |
0 |
| ODI |
0 |
61 |
65 |
283 |
1097 |
1594 |
57 |
0 |
| CDI |
0 |
49 |
32 |
250 |
1170 |
4398 |
423 |
0 |
| VCDI |
0 |
58 |
16 |
97 |
363 |
9885 |
24764 |
6082 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
105405 |
10478 |
403 |
929 |
427 |
222 |
2 |
0 |
| OW |
1731 |
1855 |
298 |
686 |
926 |
1198 |
93 |
0 |
| VODI |
2278 |
996 |
281 |
808 |
1437 |
2042 |
142 |
0 |
| ODI |
2 |
172 |
126 |
433 |
987 |
1127 |
64 |
0 |
| CDI |
0 |
102 |
67 |
252 |
860 |
2964 |
477 |
0 |
| VCDI |
0 |
106 |
30 |
167 |
297 |
9382 |
24476 |
6082 |
|
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 |
104008 |
11019 |
193 |
309 |
547 |
19 |
0 |
0 |
| OW |
1528 |
1314 |
308 |
633 |
982 |
199 |
0 |
0 |
| VODI |
2513 |
233 |
224 |
511 |
1198 |
1011 |
42 |
0 |
| ODI |
0 |
50 |
57 |
259 |
1144 |
1767 |
241 |
0 |
| CDI |
0 |
26 |
41 |
282 |
922 |
4261 |
550 |
0 |
| VCDI |
0 |
7 |
17 |
159 |
342 |
9524 |
26011 |
8359 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
103992 |
9583 |
142 |
315 |
860 |
142 |
0 |
0 |
| OW |
1591 |
1849 |
224 |
503 |
942 |
717 |
20 |
0 |
| VODI |
2466 |
918 |
228 |
503 |
1462 |
2271 |
374 |
0 |
| ODI |
0 |
190 |
120 |
257 |
987 |
2428 |
310 |
0 |
| CDI |
0 |
98 |
95 |
339 |
587 |
2937 |
762 |
0 |
| VCDI |
0 |
11 |
31 |
236 |
297 |
8286 |
25378 |
8359 |
|
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