Validation of sea ice concentration - Full domain
Bulletin date: 2024-01-11
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-01-05:
| 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 |
62338 |
12677 |
370 |
138 |
13 |
1 |
0 |
0 |
| OW |
891 |
1167 |
207 |
265 |
123 |
18 |
0 |
0 |
| VODI |
1892 |
532 |
167 |
330 |
373 |
114 |
16 |
0 |
| ODI |
1978 |
238 |
87 |
233 |
457 |
222 |
15 |
0 |
| CDI |
0 |
204 |
67 |
299 |
801 |
1537 |
913 |
10 |
| VCDI |
0 |
105 |
54 |
335 |
1019 |
7015 |
33275 |
50314 |
|
...date precedes bulletin
|
Date: 2024-01-07:
| 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 |
61908 |
12229 |
304 |
125 |
65 |
0 |
0 |
0 |
| OW |
784 |
1237 |
271 |
297 |
143 |
29 |
0 |
0 |
| VODI |
1890 |
562 |
149 |
369 |
301 |
118 |
4 |
0 |
| ODI |
1750 |
203 |
73 |
222 |
420 |
283 |
30 |
0 |
| CDI |
0 |
191 |
41 |
251 |
734 |
1658 |
1318 |
3 |
| VCDI |
0 |
139 |
63 |
293 |
1183 |
7470 |
34356 |
49344 |
|
...date precedes bulletin
|
Date: 2024-01-09:
| 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 |
61559 |
13018 |
148 |
89 |
21 |
2 |
1 |
0 |
| OW |
756 |
1510 |
273 |
179 |
51 |
5 |
7 |
0 |
| VODI |
1753 |
387 |
255 |
444 |
310 |
40 |
13 |
0 |
| ODI |
1960 |
64 |
76 |
334 |
414 |
236 |
17 |
0 |
| CDI |
0 |
11 |
24 |
246 |
640 |
1691 |
526 |
11 |
| VCDI |
0 |
1 |
4 |
145 |
956 |
7353 |
32672 |
52608 |
|
...date precedes bulletin
|
Date: 2024-01-11:
| 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 |
60863 |
13154 |
98 |
79 |
20 |
3 |
0 |
0 |
| OW |
789 |
1547 |
187 |
206 |
60 |
6 |
1 |
0 |
| VODI |
1851 |
646 |
235 |
459 |
274 |
44 |
3 |
0 |
| ODI |
1735 |
165 |
96 |
261 |
496 |
286 |
11 |
0 |
| CDI |
0 |
56 |
42 |
257 |
671 |
1634 |
504 |
17 |
| VCDI |
0 |
17 |
17 |
102 |
643 |
5957 |
34319 |
52999 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60863 |
13252 |
103 |
104 |
36 |
3 |
0 |
0 |
| OW |
787 |
1443 |
192 |
196 |
60 |
10 |
2 |
0 |
| VODI |
1853 |
650 |
216 |
426 |
267 |
44 |
4 |
0 |
| ODI |
1735 |
158 |
105 |
264 |
483 |
271 |
13 |
0 |
| CDI |
0 |
61 |
41 |
272 |
680 |
1685 |
566 |
18 |
| VCDI |
0 |
21 |
18 |
102 |
638 |
5917 |
34253 |
52998 |
|
Date: 2024-01-13:
| 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 |
60179 |
13224 |
97 |
85 |
25 |
13 |
0 |
0 |
| OW |
801 |
1563 |
190 |
248 |
82 |
27 |
7 |
0 |
| VODI |
1849 |
687 |
249 |
480 |
277 |
67 |
32 |
0 |
| ODI |
1740 |
200 |
82 |
313 |
455 |
295 |
41 |
0 |
| CDI |
0 |
139 |
92 |
284 |
741 |
1504 |
520 |
2 |
| VCDI |
0 |
33 |
38 |
254 |
1394 |
7173 |
34893 |
50435 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60178 |
13300 |
116 |
104 |
29 |
16 |
0 |
0 |
| OW |
801 |
1508 |
173 |
252 |
87 |
26 |
7 |
0 |
| VODI |
1850 |
662 |
251 |
469 |
274 |
71 |
36 |
0 |
| ODI |
1740 |
191 |
78 |
305 |
432 |
295 |
44 |
0 |
| CDI |
0 |
142 |
88 |
281 |
761 |
1515 |
564 |
3 |
| VCDI |
0 |
43 |
42 |
253 |
1391 |
7156 |
34842 |
50434 |
|
Date: 2024-01-15:
| 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 |
59835 |
13401 |
81 |
96 |
23 |
7 |
2 |
0 |
| OW |
831 |
2099 |
293 |
235 |
87 |
34 |
11 |
0 |
| VODI |
1852 |
405 |
289 |
756 |
269 |
50 |
18 |
0 |
| ODI |
1735 |
73 |
59 |
300 |
552 |
172 |
23 |
0 |
| CDI |
0 |
80 |
47 |
224 |
799 |
1683 |
290 |
9 |
| VCDI |
0 |
28 |
44 |
282 |
1360 |
6904 |
32841 |
52631 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59841 |
12955 |
100 |
97 |
43 |
17 |
7 |
0 |
| OW |
817 |
1735 |
192 |
203 |
107 |
42 |
16 |
0 |
| VODI |
1838 |
822 |
291 |
488 |
181 |
65 |
29 |
0 |
| ODI |
1757 |
228 |
80 |
413 |
352 |
133 |
43 |
0 |
| CDI |
0 |
209 |
68 |
293 |
819 |
1229 |
361 |
9 |
| VCDI |
0 |
137 |
82 |
399 |
1588 |
7364 |
32729 |
52631 |
|
Date: 2024-01-17:
| 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 |
60386 |
12627 |
83 |
69 |
17 |
2 |
0 |
0 |
| OW |
792 |
1971 |
256 |
235 |
123 |
30 |
3 |
0 |
| VODI |
1836 |
640 |
364 |
484 |
256 |
71 |
4 |
0 |
| ODI |
1754 |
111 |
96 |
395 |
332 |
129 |
18 |
0 |
| CDI |
0 |
71 |
41 |
414 |
823 |
1076 |
390 |
29 |
| VCDI |
0 |
94 |
46 |
224 |
1245 |
8609 |
32052 |
52612 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60386 |
12231 |
83 |
72 |
34 |
13 |
0 |
0 |
| OW |
784 |
1779 |
180 |
189 |
102 |
42 |
2 |
0 |
| VODI |
1830 |
910 |
315 |
365 |
227 |
85 |
15 |
0 |
| ODI |
1768 |
266 |
142 |
424 |
261 |
155 |
41 |
0 |
| CDI |
0 |
162 |
101 |
424 |
759 |
966 |
393 |
14 |
| VCDI |
0 |
166 |
65 |
347 |
1413 |
8656 |
32016 |
52627 |
|
Date: 2024-01-19:
| 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 |
60614 |
12467 |
108 |
99 |
17 |
0 |
0 |
0 |
| OW |
810 |
1930 |
162 |
168 |
58 |
27 |
0 |
0 |
| VODI |
1832 |
903 |
226 |
324 |
187 |
33 |
4 |
0 |
| ODI |
1760 |
338 |
115 |
295 |
256 |
108 |
41 |
0 |
| CDI |
0 |
220 |
125 |
304 |
542 |
915 |
479 |
0 |
| VCDI |
0 |
50 |
58 |
341 |
1241 |
6757 |
33186 |
53710 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60566 |
11484 |
95 |
102 |
29 |
8 |
0 |
0 |
| OW |
846 |
1886 |
105 |
119 |
60 |
26 |
2 |
0 |
| VODI |
1819 |
1420 |
179 |
243 |
145 |
53 |
10 |
0 |
| ODI |
1785 |
554 |
174 |
279 |
188 |
95 |
27 |
0 |
| CDI |
0 |
448 |
153 |
392 |
506 |
765 |
709 |
0 |
| VCDI |
0 |
116 |
88 |
396 |
1373 |
6893 |
32962 |
53710 |
|
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