Validation of sea ice concentration - Full domain
Bulletin date: 2024-02-15
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-02-09:
| 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 |
55823 |
15624 |
289 |
283 |
28 |
3 |
0 |
0 |
| OW |
725 |
1654 |
246 |
307 |
94 |
36 |
1 |
0 |
| VODI |
1791 |
622 |
267 |
562 |
297 |
119 |
17 |
0 |
| ODI |
1815 |
194 |
71 |
413 |
683 |
386 |
56 |
0 |
| CDI |
0 |
143 |
92 |
361 |
733 |
1848 |
763 |
0 |
| VCDI |
0 |
280 |
95 |
386 |
1169 |
5949 |
26518 |
60067 |
|
...date precedes bulletin
|
Date: 2024-02-11:
| 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 |
56097 |
15141 |
252 |
262 |
88 |
0 |
0 |
0 |
| OW |
717 |
1563 |
323 |
378 |
112 |
15 |
2 |
0 |
| VODI |
1781 |
600 |
274 |
560 |
330 |
121 |
21 |
0 |
| ODI |
1829 |
169 |
110 |
409 |
592 |
377 |
92 |
0 |
| CDI |
0 |
119 |
78 |
443 |
627 |
1351 |
590 |
13 |
| VCDI |
0 |
223 |
80 |
452 |
1013 |
6145 |
27298 |
60163 |
|
...date precedes bulletin
|
Date: 2024-02-13:
| 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 |
56239 |
15550 |
173 |
186 |
18 |
0 |
0 |
0 |
| OW |
764 |
1670 |
288 |
389 |
82 |
12 |
2 |
0 |
| VODI |
1785 |
447 |
316 |
871 |
430 |
94 |
41 |
0 |
| ODI |
1824 |
108 |
61 |
340 |
599 |
363 |
52 |
0 |
| CDI |
0 |
94 |
58 |
302 |
885 |
1428 |
655 |
5 |
| VCDI |
0 |
87 |
38 |
266 |
551 |
4996 |
27887 |
60854 |
|
...date precedes bulletin
|
Date: 2024-02-15:
| 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 |
57005 |
14986 |
143 |
83 |
20 |
4 |
0 |
0 |
| OW |
734 |
1827 |
193 |
261 |
92 |
26 |
1 |
0 |
| VODI |
1783 |
841 |
272 |
586 |
269 |
128 |
31 |
0 |
| ODI |
1827 |
291 |
123 |
378 |
369 |
249 |
35 |
0 |
| CDI |
0 |
187 |
99 |
497 |
766 |
1231 |
725 |
8 |
| VCDI |
0 |
296 |
117 |
309 |
760 |
5143 |
32455 |
55660 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56998 |
15116 |
140 |
92 |
23 |
6 |
0 |
0 |
| OW |
741 |
1765 |
214 |
250 |
93 |
29 |
3 |
0 |
| VODI |
1785 |
807 |
254 |
583 |
315 |
130 |
29 |
0 |
| ODI |
1825 |
265 |
120 |
362 |
329 |
261 |
34 |
0 |
| CDI |
0 |
183 |
96 |
508 |
757 |
1221 |
750 |
11 |
| VCDI |
0 |
292 |
123 |
319 |
759 |
5134 |
32431 |
55657 |
|
Date: 2024-02-17:
| 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 |
57444 |
14413 |
144 |
82 |
14 |
1 |
0 |
0 |
| OW |
732 |
1675 |
220 |
323 |
110 |
33 |
8 |
0 |
| VODI |
1780 |
843 |
229 |
467 |
301 |
71 |
17 |
0 |
| ODI |
1831 |
337 |
122 |
386 |
391 |
190 |
15 |
0 |
| CDI |
0 |
275 |
103 |
441 |
924 |
1360 |
742 |
9 |
| VCDI |
0 |
538 |
177 |
442 |
748 |
4457 |
27341 |
61074 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57448 |
14516 |
142 |
112 |
16 |
1 |
0 |
0 |
| OW |
729 |
1612 |
235 |
293 |
117 |
33 |
8 |
0 |
| VODI |
1780 |
842 |
215 |
461 |
303 |
81 |
19 |
0 |
| ODI |
1830 |
332 |
130 |
384 |
396 |
193 |
17 |
0 |
| CDI |
0 |
247 |
98 |
454 |
916 |
1444 |
791 |
9 |
| VCDI |
0 |
532 |
175 |
437 |
740 |
4360 |
27288 |
61074 |
|
Date: 2024-02-19:
| 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 |
56416 |
15369 |
166 |
98 |
13 |
1 |
0 |
0 |
| OW |
718 |
1776 |
341 |
402 |
68 |
24 |
7 |
0 |
| VODI |
1794 |
574 |
292 |
857 |
367 |
74 |
16 |
0 |
| ODI |
1812 |
133 |
73 |
394 |
777 |
269 |
35 |
0 |
| CDI |
0 |
109 |
74 |
353 |
1119 |
2088 |
878 |
0 |
| VCDI |
0 |
40 |
50 |
308 |
688 |
4391 |
29591 |
58255 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56421 |
14987 |
196 |
138 |
13 |
2 |
0 |
0 |
| OW |
707 |
1395 |
236 |
300 |
96 |
34 |
9 |
0 |
| VODI |
1776 |
893 |
230 |
543 |
253 |
50 |
26 |
0 |
| ODI |
1836 |
343 |
140 |
463 |
592 |
225 |
66 |
0 |
| CDI |
0 |
180 |
76 |
461 |
1102 |
1659 |
852 |
0 |
| VCDI |
0 |
203 |
118 |
507 |
976 |
4877 |
29574 |
58255 |
|
Date: 2024-02-21:
| 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 |
57183 |
14571 |
120 |
116 |
32 |
8 |
2 |
0 |
| OW |
687 |
1626 |
281 |
276 |
91 |
37 |
24 |
0 |
| VODI |
1784 |
608 |
288 |
561 |
285 |
55 |
25 |
0 |
| ODI |
1826 |
151 |
85 |
429 |
498 |
252 |
42 |
0 |
| CDI |
0 |
106 |
63 |
292 |
1299 |
1928 |
1107 |
1 |
| VCDI |
0 |
63 |
46 |
157 |
1104 |
5254 |
31925 |
55522 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57137 |
13944 |
121 |
104 |
26 |
15 |
7 |
0 |
| OW |
714 |
1451 |
165 |
223 |
59 |
17 |
15 |
0 |
| VODI |
1781 |
1015 |
257 |
361 |
224 |
50 |
21 |
0 |
| ODI |
1848 |
392 |
167 |
468 |
464 |
218 |
55 |
0 |
| CDI |
0 |
226 |
117 |
421 |
1218 |
1857 |
1124 |
0 |
| VCDI |
0 |
97 |
56 |
254 |
1318 |
5377 |
31903 |
55523 |
|
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 |
57650 |
13805 |
148 |
140 |
47 |
3 |
0 |
0 |
| OW |
688 |
1525 |
211 |
302 |
126 |
24 |
14 |
0 |
| VODI |
1777 |
651 |
218 |
425 |
288 |
80 |
66 |
0 |
| ODI |
1835 |
216 |
127 |
426 |
493 |
336 |
92 |
0 |
| CDI |
0 |
120 |
85 |
352 |
865 |
1729 |
1173 |
2 |
| VCDI |
0 |
69 |
50 |
264 |
1012 |
4685 |
31682 |
57009 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57585 |
13140 |
154 |
158 |
60 |
9 |
5 |
0 |
| OW |
700 |
1429 |
181 |
252 |
92 |
17 |
17 |
0 |
| VODI |
1806 |
997 |
205 |
378 |
208 |
76 |
61 |
0 |
| ODI |
1859 |
437 |
116 |
418 |
427 |
233 |
86 |
0 |
| CDI |
0 |
272 |
98 |
375 |
900 |
1547 |
1181 |
15 |
| VCDI |
0 |
111 |
85 |
328 |
1144 |
4975 |
31677 |
56996 |
|
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