Validation of sea ice concentration - Full domain
Bulletin date: 2024-03-14
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
57591 |
13768 |
89 |
74 |
14 |
3 |
2 |
0 |
| OW |
639 |
1462 |
270 |
306 |
64 |
13 |
18 |
0 |
| VODI |
1783 |
531 |
232 |
588 |
375 |
48 |
18 |
0 |
| ODI |
1827 |
214 |
107 |
409 |
601 |
327 |
41 |
0 |
| CDI |
0 |
157 |
63 |
333 |
876 |
2545 |
1501 |
1 |
| VCDI |
0 |
19 |
23 |
77 |
547 |
3867 |
26021 |
63366 |
|
...date precedes bulletin
|
Date: 2024-03-10:
| 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 |
57375 |
13371 |
108 |
83 |
27 |
9 |
1 |
0 |
| OW |
623 |
1521 |
246 |
300 |
94 |
19 |
11 |
0 |
| VODI |
1770 |
629 |
248 |
570 |
383 |
87 |
24 |
0 |
| ODI |
1843 |
239 |
126 |
451 |
595 |
430 |
78 |
0 |
| CDI |
0 |
137 |
73 |
323 |
850 |
2790 |
1850 |
4 |
| VCDI |
0 |
10 |
14 |
56 |
291 |
3103 |
22120 |
67928 |
|
...date precedes bulletin
|
Date: 2024-03-12:
| 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 |
57263 |
13821 |
72 |
37 |
17 |
6 |
0 |
0 |
| OW |
716 |
1661 |
288 |
295 |
33 |
12 |
0 |
0 |
| VODI |
1763 |
306 |
283 |
861 |
414 |
61 |
7 |
0 |
| ODI |
1855 |
58 |
36 |
327 |
822 |
448 |
21 |
0 |
| CDI |
0 |
17 |
24 |
161 |
728 |
2632 |
967 |
26 |
| VCDI |
0 |
0 |
1 |
69 |
327 |
3627 |
28340 |
62408 |
|
...date precedes bulletin
|
Date: 2024-03-14:
| 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 |
56954 |
13745 |
139 |
120 |
17 |
0 |
0 |
0 |
| OW |
694 |
1516 |
272 |
407 |
114 |
6 |
0 |
0 |
| VODI |
1751 |
433 |
234 |
590 |
434 |
100 |
10 |
0 |
| ODI |
1869 |
54 |
75 |
296 |
606 |
454 |
37 |
0 |
| CDI |
0 |
17 |
13 |
198 |
628 |
2306 |
1416 |
0 |
| VCDI |
0 |
20 |
11 |
79 |
490 |
3899 |
30157 |
60649 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56976 |
13803 |
131 |
135 |
20 |
0 |
0 |
0 |
| OW |
672 |
1473 |
277 |
395 |
98 |
12 |
1 |
0 |
| VODI |
1754 |
410 |
237 |
584 |
452 |
102 |
11 |
0 |
| ODI |
1866 |
59 |
76 |
314 |
614 |
500 |
40 |
0 |
| CDI |
0 |
18 |
13 |
187 |
642 |
2293 |
1289 |
8 |
| VCDI |
0 |
22 |
10 |
75 |
463 |
3858 |
30279 |
60641 |
|
Date: 2024-03-16:
| 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 |
55885 |
14233 |
225 |
172 |
56 |
0 |
0 |
0 |
| OW |
686 |
1533 |
224 |
376 |
186 |
24 |
0 |
0 |
| VODI |
1741 |
565 |
204 |
490 |
371 |
131 |
13 |
0 |
| ODI |
1882 |
136 |
95 |
350 |
547 |
340 |
35 |
0 |
| CDI |
0 |
86 |
51 |
271 |
795 |
2200 |
1288 |
0 |
| VCDI |
0 |
21 |
35 |
207 |
653 |
3822 |
31211 |
59670 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55892 |
14294 |
241 |
187 |
48 |
0 |
0 |
0 |
| OW |
679 |
1496 |
200 |
363 |
204 |
28 |
1 |
0 |
| VODI |
1744 |
556 |
220 |
487 |
368 |
136 |
15 |
0 |
| ODI |
1879 |
123 |
88 |
368 |
537 |
381 |
45 |
0 |
| CDI |
0 |
82 |
48 |
260 |
802 |
2145 |
1298 |
4 |
| VCDI |
0 |
23 |
37 |
201 |
649 |
3827 |
31188 |
59666 |
|
Date: 2024-03-18:
| 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 |
55621 |
14747 |
177 |
165 |
48 |
1 |
0 |
0 |
| OW |
733 |
1506 |
336 |
319 |
152 |
27 |
1 |
0 |
| VODI |
1740 |
346 |
258 |
645 |
395 |
130 |
12 |
0 |
| ODI |
1885 |
50 |
60 |
311 |
569 |
433 |
36 |
0 |
| CDI |
0 |
29 |
44 |
144 |
633 |
1932 |
799 |
0 |
| VCDI |
0 |
4 |
25 |
182 |
697 |
3194 |
36319 |
56105 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55652 |
14289 |
203 |
181 |
65 |
2 |
0 |
0 |
| OW |
702 |
1476 |
221 |
268 |
180 |
62 |
6 |
0 |
| VODI |
1736 |
618 |
241 |
434 |
290 |
153 |
17 |
0 |
| ODI |
1889 |
183 |
103 |
365 |
399 |
574 |
64 |
0 |
| CDI |
0 |
93 |
79 |
284 |
784 |
1765 |
1714 |
4 |
| VCDI |
0 |
23 |
53 |
234 |
776 |
3161 |
35366 |
56101 |
|
Date: 2024-03-20:
| 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 |
56711 |
13782 |
100 |
81 |
34 |
1 |
0 |
0 |
| OW |
753 |
1440 |
273 |
340 |
123 |
38 |
0 |
0 |
| VODI |
1740 |
447 |
214 |
525 |
334 |
119 |
9 |
0 |
| ODI |
1884 |
130 |
78 |
295 |
489 |
384 |
79 |
0 |
| CDI |
0 |
75 |
48 |
211 |
591 |
1516 |
1346 |
15 |
| VCDI |
0 |
25 |
45 |
197 |
756 |
2996 |
33780 |
58806 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56741 |
13237 |
142 |
134 |
62 |
12 |
0 |
0 |
| OW |
722 |
1487 |
175 |
267 |
141 |
82 |
6 |
0 |
| VODI |
1736 |
657 |
183 |
394 |
297 |
179 |
32 |
0 |
| ODI |
1889 |
273 |
115 |
293 |
339 |
471 |
110 |
0 |
| CDI |
0 |
167 |
96 |
353 |
663 |
1235 |
1681 |
11 |
| VCDI |
0 |
78 |
47 |
208 |
825 |
3075 |
33385 |
58810 |
|
Date: 2024-03-22:
| 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 |
56278 |
13704 |
115 |
118 |
56 |
4 |
0 |
0 |
| OW |
729 |
1437 |
243 |
317 |
146 |
41 |
1 |
0 |
| VODI |
1746 |
560 |
206 |
456 |
340 |
168 |
36 |
0 |
| ODI |
1875 |
177 |
100 |
295 |
464 |
465 |
145 |
0 |
| CDI |
0 |
127 |
88 |
285 |
483 |
1126 |
1987 |
13 |
| VCDI |
0 |
11 |
21 |
206 |
663 |
2467 |
32946 |
60165 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56287 |
13591 |
191 |
267 |
101 |
16 |
5 |
0 |
| OW |
718 |
1266 |
189 |
278 |
253 |
117 |
16 |
0 |
| VODI |
1743 |
605 |
134 |
261 |
286 |
313 |
78 |
0 |
| ODI |
1880 |
289 |
104 |
266 |
221 |
313 |
276 |
0 |
| CDI |
0 |
216 |
100 |
392 |
567 |
960 |
1800 |
16 |
| VCDI |
0 |
49 |
55 |
213 |
724 |
2552 |
32940 |
60162 |
|
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