Validation of sea ice concentration - Full domain
Bulletin date: 2024-12-05
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-11-29:
| 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 |
81304 |
11131 |
260 |
200 |
21 |
0 |
0 |
0 |
| OW |
1168 |
1619 |
260 |
454 |
191 |
41 |
0 |
0 |
| VODI |
2997 |
458 |
245 |
588 |
722 |
239 |
8 |
0 |
| ODI |
385 |
46 |
52 |
272 |
710 |
748 |
83 |
0 |
| CDI |
0 |
16 |
13 |
125 |
722 |
2579 |
746 |
3 |
| VCDI |
0 |
7 |
9 |
56 |
275 |
4853 |
30378 |
36826 |
|
...date precedes bulletin
|
Date: 2024-12-01:
| 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 |
80754 |
10928 |
191 |
247 |
41 |
0 |
0 |
0 |
| OW |
1057 |
1811 |
174 |
370 |
224 |
43 |
2 |
0 |
| VODI |
2820 |
593 |
276 |
545 |
543 |
242 |
39 |
0 |
| ODI |
574 |
126 |
97 |
383 |
603 |
588 |
92 |
0 |
| CDI |
0 |
35 |
37 |
233 |
820 |
1971 |
346 |
19 |
| VCDI |
0 |
0 |
5 |
44 |
422 |
6864 |
26029 |
40622 |
|
...date precedes bulletin
|
Date: 2024-12-03:
| 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 |
78882 |
11592 |
195 |
202 |
92 |
0 |
0 |
0 |
| OW |
971 |
1713 |
298 |
647 |
338 |
5 |
0 |
0 |
| VODI |
2706 |
379 |
276 |
708 |
600 |
103 |
2 |
0 |
| ODI |
699 |
18 |
67 |
397 |
948 |
555 |
37 |
0 |
| CDI |
0 |
9 |
13 |
156 |
857 |
3339 |
741 |
2 |
| VCDI |
0 |
1 |
0 |
22 |
262 |
5255 |
27295 |
40428 |
|
...date precedes bulletin
|
Date: 2024-12-05:
| 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 |
77011 |
11691 |
188 |
200 |
170 |
0 |
0 |
0 |
| OW |
963 |
2032 |
250 |
351 |
306 |
15 |
0 |
0 |
| VODI |
2590 |
777 |
295 |
647 |
670 |
489 |
0 |
0 |
| ODI |
831 |
54 |
84 |
379 |
785 |
617 |
50 |
0 |
| CDI |
0 |
6 |
12 |
195 |
805 |
2367 |
892 |
2 |
| VCDI |
0 |
0 |
0 |
23 |
360 |
4849 |
26351 |
43503 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77021 |
12087 |
233 |
262 |
214 |
0 |
0 |
0 |
| OW |
960 |
1734 |
253 |
380 |
368 |
65 |
0 |
0 |
| VODI |
2633 |
689 |
263 |
652 |
688 |
562 |
1 |
0 |
| ODI |
781 |
50 |
76 |
328 |
834 |
879 |
106 |
0 |
| CDI |
0 |
0 |
4 |
155 |
691 |
2425 |
1078 |
1 |
| VCDI |
0 |
0 |
0 |
18 |
301 |
4406 |
26108 |
43504 |
|
Date: 2024-12-07:
| 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 |
77356 |
10162 |
161 |
195 |
147 |
19 |
0 |
0 |
| OW |
978 |
1857 |
205 |
308 |
183 |
80 |
0 |
0 |
| VODI |
2378 |
779 |
264 |
576 |
563 |
241 |
17 |
0 |
| ODI |
1207 |
153 |
103 |
422 |
919 |
856 |
180 |
0 |
| CDI |
0 |
33 |
29 |
201 |
868 |
2104 |
1053 |
4 |
| VCDI |
0 |
0 |
0 |
9 |
236 |
4309 |
28122 |
43533 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77488 |
10743 |
204 |
257 |
196 |
33 |
0 |
0 |
| OW |
1001 |
1368 |
211 |
355 |
257 |
98 |
1 |
0 |
| VODI |
2527 |
680 |
233 |
528 |
559 |
312 |
32 |
0 |
| ODI |
903 |
177 |
96 |
399 |
962 |
1105 |
239 |
0 |
| CDI |
0 |
16 |
18 |
171 |
759 |
2167 |
1415 |
82 |
| VCDI |
0 |
0 |
0 |
1 |
183 |
3894 |
27685 |
43455 |
|
Date: 2024-12-09:
| 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 |
77018 |
10745 |
87 |
78 |
36 |
6 |
0 |
0 |
| OW |
986 |
2425 |
237 |
214 |
69 |
34 |
4 |
0 |
| VODI |
2349 |
396 |
309 |
759 |
443 |
92 |
9 |
0 |
| ODI |
1232 |
19 |
50 |
402 |
1202 |
429 |
38 |
0 |
| CDI |
0 |
3 |
11 |
89 |
811 |
2477 |
491 |
6 |
| VCDI |
0 |
1 |
4 |
31 |
297 |
4381 |
26295 |
46245 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77017 |
10474 |
173 |
193 |
104 |
62 |
1 |
0 |
| OW |
984 |
1585 |
135 |
244 |
164 |
87 |
17 |
0 |
| VODI |
2353 |
1108 |
147 |
409 |
503 |
187 |
56 |
0 |
| ODI |
1231 |
357 |
182 |
411 |
719 |
680 |
326 |
0 |
| CDI |
0 |
64 |
57 |
284 |
961 |
1923 |
1024 |
31 |
| VCDI |
0 |
1 |
4 |
32 |
407 |
4480 |
25413 |
46220 |
|
Date: 2024-12-11:
| 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 |
74686 |
12218 |
164 |
118 |
60 |
6 |
0 |
0 |
| OW |
939 |
2201 |
307 |
311 |
190 |
28 |
4 |
0 |
| VODI |
2320 |
591 |
249 |
638 |
522 |
224 |
21 |
0 |
| ODI |
1263 |
106 |
71 |
313 |
683 |
666 |
86 |
0 |
| CDI |
0 |
11 |
22 |
168 |
734 |
1933 |
458 |
0 |
| VCDI |
0 |
0 |
0 |
45 |
310 |
5214 |
29102 |
43828 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74500 |
11652 |
291 |
298 |
213 |
67 |
1 |
0 |
| OW |
1090 |
1580 |
164 |
281 |
226 |
161 |
29 |
0 |
| VODI |
2350 |
1119 |
164 |
345 |
396 |
364 |
86 |
0 |
| ODI |
1268 |
543 |
122 |
296 |
565 |
800 |
244 |
0 |
| CDI |
0 |
232 |
67 |
309 |
763 |
1653 |
843 |
13 |
| VCDI |
0 |
1 |
5 |
64 |
336 |
5026 |
28468 |
43815 |
|
Date: 2024-12-13:
| 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 |
74458 |
12142 |
178 |
49 |
4 |
0 |
0 |
0 |
| OW |
979 |
1847 |
290 |
386 |
164 |
6 |
1 |
0 |
| VODI |
2281 |
646 |
177 |
456 |
546 |
341 |
23 |
0 |
| ODI |
1304 |
143 |
111 |
303 |
478 |
573 |
77 |
0 |
| CDI |
0 |
37 |
54 |
221 |
845 |
1621 |
653 |
2 |
| VCDI |
0 |
0 |
2 |
95 |
656 |
5092 |
31612 |
41957 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73990 |
10870 |
295 |
260 |
144 |
42 |
14 |
0 |
| OW |
1305 |
1532 |
141 |
263 |
286 |
185 |
51 |
0 |
| VODI |
2383 |
1093 |
155 |
300 |
322 |
379 |
70 |
0 |
| ODI |
1344 |
687 |
72 |
247 |
484 |
599 |
205 |
0 |
| CDI |
0 |
603 |
123 |
316 |
735 |
1666 |
1165 |
72 |
| VCDI |
0 |
30 |
26 |
124 |
722 |
4762 |
30861 |
41887 |
|
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