Validation of sea ice concentration - Full domain
Bulletin date: 2024-10-10
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-10-04:
| 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 |
137552 |
13614 |
366 |
264 |
32 |
0 |
0 |
0 |
| OW |
80 |
823 |
494 |
967 |
204 |
17 |
0 |
0 |
| VODI |
0 |
54 |
116 |
1208 |
638 |
122 |
0 |
0 |
| ODI |
0 |
15 |
0 |
266 |
988 |
445 |
27 |
0 |
| CDI |
0 |
32 |
2 |
38 |
656 |
1869 |
587 |
0 |
| VCDI |
0 |
14 |
1 |
13 |
216 |
4943 |
19490 |
8590 |
|
...date precedes bulletin
|
Date: 2024-10-06:
| 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 |
136368 |
13690 |
295 |
298 |
63 |
5 |
0 |
0 |
| OW |
104 |
987 |
444 |
1019 |
237 |
54 |
0 |
0 |
| VODI |
2 |
79 |
115 |
1168 |
790 |
138 |
0 |
0 |
| ODI |
0 |
21 |
1 |
389 |
873 |
574 |
27 |
0 |
| CDI |
0 |
33 |
2 |
38 |
697 |
1807 |
888 |
0 |
| VCDI |
0 |
25 |
8 |
25 |
204 |
4331 |
16868 |
12076 |
|
...date precedes bulletin
|
Date: 2024-10-08:
| 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 |
134054 |
15485 |
405 |
287 |
6 |
0 |
0 |
0 |
| OW |
21 |
616 |
488 |
933 |
106 |
0 |
0 |
0 |
| VODI |
0 |
35 |
61 |
1364 |
658 |
73 |
0 |
0 |
| ODI |
0 |
11 |
0 |
194 |
1369 |
358 |
6 |
0 |
| CDI |
0 |
20 |
0 |
21 |
533 |
2690 |
348 |
1 |
| VCDI |
0 |
13 |
0 |
0 |
105 |
2758 |
18671 |
13053 |
|
...date precedes bulletin
|
Date: 2024-10-10:
| 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 |
132994 |
15074 |
422 |
279 |
6 |
0 |
0 |
0 |
| OW |
12 |
786 |
433 |
1355 |
126 |
0 |
0 |
0 |
| VODI |
0 |
40 |
53 |
1086 |
968 |
94 |
0 |
0 |
| ODI |
0 |
17 |
1 |
185 |
1212 |
607 |
36 |
0 |
| CDI |
0 |
27 |
5 |
34 |
602 |
2624 |
951 |
0 |
| VCDI |
0 |
16 |
3 |
54 |
225 |
3856 |
15149 |
15411 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
133001 |
15108 |
522 |
526 |
14 |
0 |
0 |
0 |
| OW |
5 |
749 |
338 |
1142 |
198 |
14 |
0 |
0 |
| VODI |
0 |
40 |
48 |
1049 |
943 |
152 |
3 |
0 |
| ODI |
0 |
20 |
1 |
189 |
1144 |
583 |
59 |
0 |
| CDI |
0 |
25 |
3 |
34 |
609 |
2489 |
917 |
0 |
| VCDI |
0 |
18 |
5 |
53 |
231 |
3943 |
15157 |
15411 |
|
Date: 2024-10-12:
| 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 |
129775 |
17159 |
461 |
411 |
1 |
0 |
0 |
0 |
| OW |
44 |
1061 |
427 |
1199 |
290 |
0 |
0 |
0 |
| VODI |
0 |
179 |
115 |
792 |
1114 |
141 |
3 |
0 |
| ODI |
2 |
54 |
52 |
260 |
957 |
686 |
15 |
0 |
| CDI |
7 |
19 |
33 |
300 |
696 |
2234 |
1114 |
0 |
| VCDI |
0 |
22 |
3 |
49 |
600 |
4849 |
16135 |
13484 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
129781 |
17274 |
562 |
687 |
55 |
0 |
0 |
0 |
| OW |
38 |
944 |
311 |
1050 |
365 |
4 |
0 |
0 |
| VODI |
0 |
176 |
129 |
668 |
1107 |
194 |
9 |
0 |
| ODI |
2 |
59 |
65 |
248 |
859 |
646 |
26 |
0 |
| CDI |
7 |
19 |
21 |
315 |
647 |
2255 |
1071 |
0 |
| VCDI |
0 |
22 |
3 |
43 |
625 |
4811 |
16161 |
13484 |
|
Date: 2024-10-14:
| 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 |
127805 |
17928 |
486 |
502 |
3 |
0 |
0 |
0 |
| OW |
25 |
1116 |
581 |
908 |
56 |
0 |
0 |
0 |
| VODI |
1 |
88 |
85 |
1500 |
557 |
7 |
75 |
0 |
| ODI |
0 |
18 |
44 |
171 |
1550 |
198 |
72 |
0 |
| CDI |
0 |
22 |
19 |
228 |
917 |
3079 |
274 |
0 |
| VCDI |
0 |
2 |
0 |
24 |
202 |
4240 |
16598 |
15362 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
127801 |
17804 |
657 |
1069 |
117 |
0 |
0 |
0 |
| OW |
28 |
907 |
314 |
1009 |
464 |
80 |
0 |
0 |
| VODI |
2 |
255 |
101 |
615 |
964 |
567 |
0 |
0 |
| ODI |
0 |
109 |
46 |
209 |
585 |
779 |
55 |
0 |
| CDI |
0 |
91 |
91 |
274 |
555 |
1727 |
633 |
0 |
| VCDI |
0 |
8 |
6 |
157 |
600 |
4371 |
16331 |
15362 |
|
Date: 2024-10-16:
| 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 |
124987 |
18602 |
809 |
920 |
71 |
1 |
0 |
0 |
| OW |
16 |
976 |
371 |
1152 |
315 |
25 |
0 |
0 |
| VODI |
0 |
154 |
109 |
1054 |
1127 |
45 |
0 |
0 |
| ODI |
1 |
49 |
18 |
280 |
978 |
516 |
0 |
0 |
| CDI |
9 |
67 |
54 |
217 |
766 |
2404 |
207 |
2 |
| VCDI |
0 |
32 |
11 |
86 |
367 |
5028 |
18159 |
14758 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
124976 |
17769 |
798 |
1157 |
270 |
60 |
0 |
0 |
| OW |
27 |
1318 |
297 |
1091 |
578 |
174 |
0 |
0 |
| VODI |
0 |
403 |
120 |
739 |
1140 |
655 |
68 |
0 |
| ODI |
1 |
124 |
56 |
298 |
517 |
610 |
221 |
0 |
| CDI |
9 |
159 |
41 |
212 |
515 |
1333 |
578 |
2 |
| VCDI |
0 |
107 |
60 |
212 |
604 |
5187 |
17499 |
14758 |
|
Date: 2024-10-18:
| 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 |
124377 |
14898 |
639 |
1368 |
951 |
0 |
0 |
0 |
| OW |
13 |
1561 |
432 |
1279 |
801 |
90 |
0 |
0 |
| VODI |
1 |
308 |
185 |
987 |
916 |
329 |
0 |
0 |
| ODI |
0 |
81 |
50 |
339 |
799 |
662 |
3 |
0 |
| CDI |
0 |
51 |
54 |
335 |
717 |
1930 |
329 |
0 |
| VCDI |
0 |
6 |
12 |
164 |
428 |
5192 |
18518 |
15938 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
124365 |
13982 |
656 |
1616 |
1306 |
71 |
0 |
0 |
| OW |
26 |
1657 |
278 |
1038 |
707 |
237 |
0 |
0 |
| VODI |
0 |
688 |
205 |
802 |
1122 |
797 |
56 |
0 |
| ODI |
0 |
238 |
61 |
329 |
451 |
990 |
306 |
0 |
| CDI |
0 |
275 |
91 |
266 |
341 |
989 |
1003 |
45 |
| VCDI |
0 |
65 |
81 |
421 |
685 |
5119 |
17485 |
15893 |
|
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