Validation of sea ice concentration - Full domain
Bulletin date: 2024-03-07
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-03-01:
| 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 |
58343 |
13441 |
150 |
123 |
32 |
2 |
0 |
0 |
| OW |
635 |
1659 |
178 |
280 |
108 |
57 |
0 |
0 |
| VODI |
1784 |
816 |
219 |
405 |
226 |
123 |
30 |
0 |
| ODI |
1826 |
304 |
131 |
461 |
555 |
264 |
46 |
0 |
| CDI |
0 |
387 |
114 |
416 |
1077 |
1358 |
605 |
0 |
| VCDI |
0 |
247 |
89 |
306 |
970 |
7551 |
32119 |
53373 |
|
...date precedes bulletin
|
Date: 2024-03-03:
| 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 |
57361 |
14043 |
148 |
143 |
25 |
2 |
0 |
0 |
| OW |
612 |
1402 |
228 |
397 |
98 |
49 |
28 |
0 |
| VODI |
1776 |
562 |
177 |
526 |
264 |
82 |
48 |
0 |
| ODI |
1836 |
316 |
104 |
470 |
564 |
222 |
63 |
0 |
| CDI |
0 |
358 |
97 |
531 |
1106 |
1806 |
836 |
2 |
| VCDI |
0 |
135 |
82 |
253 |
855 |
6550 |
29274 |
57379 |
|
...date precedes bulletin
|
Date: 2024-03-05:
| 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 |
57152 |
14450 |
134 |
126 |
26 |
5 |
0 |
0 |
| OW |
655 |
1480 |
287 |
307 |
40 |
18 |
16 |
0 |
| VODI |
1798 |
418 |
206 |
650 |
367 |
50 |
6 |
0 |
| ODI |
1819 |
186 |
109 |
411 |
690 |
327 |
54 |
0 |
| CDI |
0 |
128 |
69 |
395 |
1087 |
2560 |
894 |
0 |
| VCDI |
0 |
12 |
10 |
44 |
643 |
5420 |
28761 |
59000 |
|
...date precedes bulletin
|
Date: 2024-03-07:
| 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 |
57283 |
14003 |
381 |
49 |
31 |
1 |
0 |
0 |
| OW |
666 |
1529 |
272 |
286 |
52 |
14 |
4 |
0 |
| VODI |
1787 |
533 |
245 |
572 |
290 |
71 |
11 |
0 |
| ODI |
1821 |
204 |
98 |
423 |
610 |
304 |
26 |
0 |
| CDI |
0 |
161 |
78 |
357 |
973 |
2660 |
1100 |
4 |
| VCDI |
0 |
7 |
17 |
87 |
647 |
3902 |
24322 |
64929 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57292 |
14001 |
391 |
49 |
31 |
1 |
0 |
0 |
| OW |
657 |
1514 |
271 |
268 |
46 |
12 |
4 |
0 |
| VODI |
1787 |
547 |
228 |
607 |
303 |
73 |
13 |
0 |
| ODI |
1821 |
212 |
104 |
393 |
613 |
298 |
24 |
0 |
| CDI |
0 |
160 |
85 |
379 |
987 |
2688 |
1186 |
6 |
| VCDI |
0 |
3 |
12 |
78 |
623 |
3880 |
24236 |
64927 |
|
Date: 2024-03-09:
| 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 |
57435 |
13552 |
111 |
73 |
26 |
16 |
2 |
0 |
| OW |
628 |
1477 |
262 |
322 |
84 |
31 |
14 |
0 |
| VODI |
1776 |
591 |
245 |
513 |
416 |
91 |
24 |
0 |
| ODI |
1836 |
209 |
131 |
443 |
523 |
378 |
80 |
0 |
| CDI |
0 |
138 |
60 |
305 |
833 |
2678 |
1801 |
0 |
| VCDI |
0 |
14 |
15 |
75 |
361 |
3817 |
23498 |
65926 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57435 |
13549 |
132 |
71 |
25 |
16 |
1 |
0 |
| OW |
628 |
1453 |
256 |
309 |
72 |
31 |
14 |
0 |
| VODI |
1776 |
627 |
231 |
526 |
431 |
91 |
28 |
0 |
| ODI |
1836 |
210 |
124 |
434 |
524 |
347 |
69 |
0 |
| CDI |
0 |
132 |
69 |
336 |
849 |
2809 |
1915 |
1 |
| VCDI |
0 |
10 |
12 |
55 |
342 |
3717 |
23392 |
65925 |
|
Date: 2024-03-11:
| 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 |
57508 |
13615 |
65 |
47 |
22 |
2 |
0 |
0 |
| OW |
681 |
1671 |
269 |
262 |
36 |
7 |
0 |
0 |
| VODI |
1766 |
377 |
316 |
860 |
402 |
59 |
6 |
0 |
| ODI |
1849 |
56 |
68 |
380 |
925 |
448 |
25 |
0 |
| CDI |
0 |
25 |
24 |
126 |
634 |
3336 |
830 |
3 |
| VCDI |
0 |
1 |
6 |
42 |
188 |
3311 |
25140 |
65422 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57581 |
13066 |
67 |
43 |
37 |
9 |
2 |
0 |
| OW |
609 |
1591 |
224 |
319 |
56 |
6 |
8 |
0 |
| VODI |
1763 |
692 |
234 |
609 |
480 |
123 |
18 |
0 |
| ODI |
1851 |
262 |
135 |
360 |
521 |
519 |
82 |
0 |
| CDI |
0 |
114 |
72 |
307 |
832 |
3039 |
1854 |
14 |
| VCDI |
0 |
20 |
16 |
79 |
281 |
3467 |
24037 |
65411 |
|
Date: 2024-03-13:
| 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 |
56946 |
13583 |
443 |
63 |
25 |
0 |
0 |
0 |
| OW |
721 |
1576 |
267 |
356 |
80 |
7 |
0 |
0 |
| VODI |
1760 |
387 |
230 |
683 |
454 |
90 |
4 |
0 |
| ODI |
1860 |
53 |
82 |
320 |
738 |
416 |
28 |
0 |
| CDI |
0 |
17 |
16 |
174 |
780 |
2458 |
1152 |
17 |
| VCDI |
0 |
4 |
7 |
50 |
531 |
3706 |
28437 |
62289 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57025 |
12988 |
374 |
85 |
52 |
9 |
3 |
0 |
| OW |
642 |
1490 |
264 |
349 |
103 |
12 |
6 |
0 |
| VODI |
1760 |
767 |
202 |
416 |
455 |
177 |
23 |
0 |
| ODI |
1860 |
309 |
137 |
436 |
511 |
470 |
62 |
8 |
| CDI |
0 |
66 |
68 |
298 |
914 |
2610 |
1836 |
37 |
| VCDI |
0 |
0 |
0 |
62 |
573 |
3399 |
27691 |
62261 |
|
Date: 2024-03-15:
| 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 |
56468 |
13967 |
165 |
162 |
24 |
1 |
0 |
0 |
| OW |
701 |
1466 |
274 |
417 |
161 |
16 |
0 |
0 |
| VODI |
1747 |
525 |
203 |
530 |
382 |
106 |
11 |
0 |
| ODI |
1874 |
70 |
80 |
404 |
559 |
287 |
27 |
0 |
| CDI |
0 |
25 |
31 |
212 |
756 |
2201 |
1452 |
4 |
| VCDI |
0 |
10 |
10 |
79 |
558 |
3784 |
31523 |
59538 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56519 |
13416 |
136 |
134 |
42 |
6 |
0 |
0 |
| OW |
650 |
1487 |
247 |
397 |
122 |
19 |
2 |
0 |
| VODI |
1746 |
764 |
165 |
453 |
400 |
146 |
32 |
0 |
| ODI |
1875 |
320 |
146 |
385 |
527 |
381 |
138 |
0 |
| CDI |
0 |
60 |
57 |
355 |
795 |
2348 |
1788 |
35 |
| VCDI |
0 |
16 |
12 |
80 |
554 |
3495 |
31053 |
59507 |
|
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