Validation of sea ice concentration - Full domain
Bulletin date: 2024-12-19
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
87345 |
13738 |
329 |
210 |
0 |
0 |
0 |
0 |
| OW |
261 |
1771 |
398 |
960 |
170 |
5 |
0 |
0 |
| VODI |
25 |
510 |
248 |
1001 |
766 |
191 |
2 |
0 |
| ODI |
2 |
60 |
52 |
518 |
784 |
462 |
24 |
0 |
| CDI |
1 |
20 |
21 |
252 |
1280 |
1888 |
218 |
19 |
| VCDI |
0 |
10 |
0 |
74 |
723 |
5601 |
22393 |
52411 |
|
...date precedes bulletin
|
Date: 2024-12-15:
| 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 |
86308 |
13465 |
254 |
175 |
29 |
0 |
0 |
0 |
| OW |
295 |
1757 |
405 |
872 |
207 |
15 |
0 |
0 |
| VODI |
40 |
574 |
189 |
1297 |
689 |
231 |
0 |
0 |
| ODI |
23 |
101 |
110 |
556 |
720 |
588 |
40 |
0 |
| CDI |
11 |
15 |
24 |
319 |
1248 |
2227 |
650 |
8 |
| VCDI |
11 |
0 |
0 |
19 |
618 |
5245 |
24471 |
50937 |
|
...date precedes bulletin
|
Date: 2024-12-17:
| 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 |
83386 |
15972 |
391 |
206 |
7 |
30 |
0 |
0 |
| OW |
75 |
1476 |
500 |
890 |
135 |
23 |
0 |
0 |
| VODI |
16 |
216 |
209 |
1188 |
731 |
77 |
0 |
0 |
| ODI |
3 |
23 |
52 |
391 |
1076 |
379 |
1 |
0 |
| CDI |
3 |
0 |
20 |
192 |
1215 |
2670 |
467 |
8 |
| VCDI |
0 |
0 |
0 |
62 |
668 |
5011 |
24816 |
52158 |
|
...date precedes bulletin
|
Date: 2024-12-19:
| 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 |
81251 |
15637 |
443 |
376 |
6 |
15 |
0 |
0 |
| OW |
138 |
1158 |
487 |
1265 |
205 |
46 |
0 |
0 |
| VODI |
7 |
218 |
163 |
1145 |
1024 |
241 |
0 |
0 |
| ODI |
0 |
27 |
39 |
495 |
990 |
520 |
8 |
0 |
| CDI |
5 |
3 |
12 |
237 |
1113 |
3258 |
1642 |
8 |
| VCDI |
0 |
0 |
1 |
55 |
648 |
4357 |
23428 |
54072 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81276 |
15867 |
620 |
703 |
24 |
13 |
0 |
0 |
| OW |
111 |
974 |
367 |
1263 |
392 |
50 |
0 |
0 |
| VODI |
9 |
189 |
114 |
961 |
1073 |
333 |
0 |
0 |
| ODI |
1 |
13 |
34 |
408 |
956 |
815 |
33 |
0 |
| CDI |
3 |
0 |
10 |
211 |
956 |
2994 |
1990 |
20 |
| VCDI |
1 |
0 |
0 |
27 |
585 |
4232 |
23055 |
54060 |
|
Date: 2024-12-21:
| 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 |
79012 |
15600 |
479 |
396 |
9 |
0 |
0 |
0 |
| OW |
56 |
1201 |
447 |
1332 |
274 |
43 |
0 |
0 |
| VODI |
62 |
358 |
176 |
1233 |
1076 |
323 |
2 |
0 |
| ODI |
1 |
54 |
42 |
531 |
1136 |
778 |
39 |
0 |
| CDI |
4 |
5 |
18 |
218 |
1297 |
2926 |
1613 |
22 |
| VCDI |
0 |
0 |
0 |
38 |
389 |
4475 |
20058 |
59020 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
79015 |
16004 |
655 |
780 |
43 |
0 |
0 |
0 |
| OW |
50 |
860 |
289 |
1280 |
421 |
59 |
0 |
0 |
| VODI |
65 |
313 |
167 |
1046 |
1235 |
525 |
2 |
0 |
| ODI |
3 |
36 |
43 |
443 |
993 |
1044 |
102 |
0 |
| CDI |
2 |
5 |
8 |
166 |
1115 |
2831 |
2115 |
39 |
| VCDI |
0 |
0 |
0 |
33 |
374 |
4086 |
19493 |
59003 |
|
Date: 2024-12-23:
| 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 |
78529 |
15055 |
345 |
205 |
12 |
1 |
0 |
0 |
| OW |
17 |
1757 |
630 |
1023 |
94 |
0 |
0 |
0 |
| VODI |
5 |
177 |
121 |
1769 |
979 |
34 |
0 |
0 |
| ODI |
4 |
11 |
28 |
344 |
2240 |
469 |
2 |
0 |
| CDI |
4 |
11 |
19 |
166 |
1177 |
2776 |
364 |
1 |
| VCDI |
0 |
0 |
5 |
100 |
467 |
3579 |
20285 |
61938 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78523 |
14827 |
492 |
659 |
37 |
1 |
0 |
0 |
| OW |
22 |
1462 |
348 |
1152 |
389 |
35 |
0 |
0 |
| VODI |
6 |
544 |
158 |
996 |
1231 |
339 |
26 |
0 |
| ODI |
4 |
147 |
80 |
386 |
1256 |
975 |
124 |
0 |
| CDI |
4 |
20 |
57 |
284 |
1126 |
2110 |
2254 |
17 |
| VCDI |
0 |
11 |
13 |
130 |
930 |
3399 |
18247 |
61922 |
|
Date: 2024-12-25:
| 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 |
78778 |
14046 |
253 |
216 |
16 |
0 |
0 |
0 |
| OW |
107 |
2036 |
445 |
832 |
180 |
1 |
0 |
0 |
| VODI |
87 |
595 |
256 |
1243 |
936 |
110 |
4 |
0 |
| ODI |
5 |
88 |
53 |
551 |
1295 |
827 |
20 |
0 |
| CDI |
1 |
40 |
64 |
368 |
1092 |
2292 |
660 |
47 |
| VCDI |
0 |
5 |
21 |
233 |
846 |
4802 |
19432 |
61860 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78777 |
13863 |
380 |
487 |
79 |
0 |
0 |
0 |
| OW |
95 |
1909 |
341 |
917 |
438 |
18 |
5 |
0 |
| VODI |
60 |
733 |
170 |
973 |
1136 |
295 |
52 |
0 |
| ODI |
46 |
211 |
84 |
471 |
942 |
1097 |
182 |
0 |
| CDI |
0 |
86 |
73 |
338 |
907 |
1941 |
1685 |
35 |
| VCDI |
0 |
8 |
44 |
257 |
863 |
4681 |
18192 |
61872 |
|
Date: 2024-12-27:
| 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 |
78154 |
14159 |
200 |
183 |
32 |
0 |
0 |
0 |
| OW |
190 |
2158 |
374 |
732 |
130 |
17 |
0 |
0 |
| VODI |
94 |
797 |
251 |
1294 |
800 |
138 |
0 |
0 |
| ODI |
26 |
195 |
118 |
680 |
1282 |
532 |
8 |
0 |
| CDI |
2 |
103 |
92 |
566 |
1331 |
2030 |
821 |
21 |
| VCDI |
0 |
58 |
43 |
262 |
1182 |
4925 |
21023 |
59740 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78197 |
14302 |
324 |
554 |
94 |
27 |
0 |
0 |
| OW |
173 |
1902 |
328 |
924 |
353 |
72 |
0 |
0 |
| VODI |
73 |
834 |
180 |
1139 |
1020 |
271 |
12 |
0 |
| ODI |
23 |
277 |
95 |
426 |
1176 |
636 |
147 |
2 |
| CDI |
0 |
115 |
117 |
461 |
1261 |
1602 |
1317 |
88 |
| VCDI |
0 |
40 |
34 |
213 |
853 |
5034 |
20376 |
59671 |
|
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