Validation of sea ice concentration - Full domain
Bulletin date: 2024-08-15
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-08-09:
| 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 |
127445 |
10397 |
37 |
12 |
4 |
0 |
0 |
0 |
| OW |
703 |
3886 |
625 |
630 |
53 |
1 |
0 |
0 |
| VODI |
29 |
649 |
628 |
5953 |
977 |
23 |
1 |
0 |
| ODI |
1 |
75 |
20 |
923 |
14224 |
3000 |
61 |
0 |
| CDI |
0 |
100 |
29 |
381 |
1920 |
14066 |
4406 |
355 |
| VCDI |
0 |
160 |
25 |
140 |
239 |
442 |
1047 |
1076 |
|
...date precedes bulletin
|
Date: 2024-08-11:
| 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 |
128184 |
10178 |
16 |
31 |
0 |
0 |
0 |
0 |
| OW |
323 |
4444 |
508 |
518 |
35 |
0 |
0 |
0 |
| VODI |
31 |
1151 |
834 |
5760 |
917 |
13 |
1 |
0 |
| ODI |
0 |
98 |
21 |
1829 |
12806 |
2647 |
14 |
0 |
| CDI |
1 |
160 |
42 |
365 |
3068 |
14535 |
3288 |
41 |
| VCDI |
0 |
182 |
15 |
74 |
247 |
616 |
1734 |
16 |
|
...date precedes bulletin
|
Date: 2024-08-13:
| 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 |
128893 |
11611 |
44 |
35 |
0 |
0 |
0 |
0 |
| OW |
165 |
4636 |
1065 |
484 |
2 |
0 |
0 |
0 |
| VODI |
36 |
384 |
497 |
7121 |
899 |
16 |
1 |
0 |
| ODI |
13 |
64 |
13 |
954 |
14209 |
801 |
1 |
0 |
| CDI |
34 |
51 |
9 |
201 |
2988 |
14310 |
1381 |
0 |
| VCDI |
0 |
2 |
0 |
39 |
89 |
1836 |
1859 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-15:
| 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 |
130534 |
10334 |
31 |
51 |
0 |
0 |
0 |
0 |
| OW |
63 |
5248 |
552 |
380 |
5 |
0 |
0 |
0 |
| VODI |
39 |
845 |
830 |
7658 |
587 |
8 |
1 |
0 |
| ODI |
0 |
80 |
15 |
1306 |
12772 |
1172 |
3 |
0 |
| CDI |
0 |
113 |
7 |
151 |
3628 |
14284 |
1838 |
0 |
| VCDI |
0 |
3 |
1 |
73 |
117 |
1194 |
820 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
130524 |
10543 |
37 |
80 |
0 |
0 |
0 |
0 |
| OW |
73 |
5028 |
554 |
375 |
9 |
0 |
0 |
0 |
| VODI |
37 |
845 |
819 |
7344 |
806 |
5 |
1 |
0 |
| ODI |
2 |
86 |
15 |
1611 |
12174 |
1382 |
2 |
0 |
| CDI |
0 |
117 |
9 |
138 |
4000 |
14010 |
1667 |
0 |
| VCDI |
0 |
4 |
2 |
71 |
120 |
1261 |
992 |
0 |
|
Date: 2024-08-17:
| 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 |
130766 |
10376 |
53 |
79 |
0 |
0 |
0 |
0 |
| OW |
162 |
5218 |
369 |
519 |
12 |
0 |
0 |
0 |
| VODI |
57 |
1216 |
847 |
7551 |
659 |
4 |
1 |
0 |
| ODI |
16 |
108 |
27 |
1288 |
12533 |
1482 |
0 |
0 |
| CDI |
37 |
83 |
22 |
139 |
3794 |
12214 |
3391 |
3 |
| VCDI |
0 |
0 |
0 |
55 |
183 |
879 |
600 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
130745 |
10582 |
60 |
73 |
1 |
0 |
0 |
0 |
| OW |
170 |
5064 |
381 |
556 |
10 |
0 |
0 |
0 |
| VODI |
64 |
1164 |
835 |
7217 |
846 |
5 |
1 |
0 |
| ODI |
19 |
109 |
22 |
1601 |
11933 |
1642 |
0 |
0 |
| CDI |
38 |
82 |
20 |
132 |
4194 |
11953 |
3161 |
3 |
| VCDI |
2 |
0 |
0 |
52 |
197 |
979 |
830 |
0 |
|
Date: 2024-08-19:
| 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 |
132715 |
11266 |
78 |
33 |
0 |
0 |
0 |
0 |
| OW |
95 |
4711 |
1405 |
606 |
3 |
0 |
0 |
0 |
| VODI |
33 |
146 |
85 |
8233 |
512 |
1 |
0 |
0 |
| ODI |
11 |
37 |
1 |
275 |
14959 |
692 |
0 |
0 |
| CDI |
9 |
34 |
1 |
38 |
1162 |
12219 |
246 |
0 |
| VCDI |
0 |
1 |
5 |
37 |
101 |
505 |
4274 |
214 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
132560 |
9172 |
47 |
14 |
2 |
0 |
0 |
0 |
| OW |
201 |
5143 |
497 |
493 |
13 |
3 |
0 |
0 |
| VODI |
50 |
1653 |
988 |
6599 |
772 |
45 |
0 |
0 |
| ODI |
22 |
116 |
32 |
1973 |
11920 |
1779 |
4 |
0 |
| CDI |
30 |
110 |
6 |
99 |
3840 |
11313 |
3027 |
18 |
| VCDI |
0 |
1 |
5 |
44 |
190 |
277 |
1489 |
196 |
|
Date: 2024-08-21:
| 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 |
133932 |
10270 |
52 |
35 |
0 |
0 |
0 |
0 |
| OW |
213 |
5097 |
951 |
477 |
0 |
0 |
0 |
0 |
| VODI |
29 |
436 |
534 |
7543 |
458 |
1 |
0 |
0 |
| ODI |
10 |
52 |
1 |
487 |
15333 |
849 |
0 |
0 |
| CDI |
4 |
29 |
3 |
59 |
2111 |
10342 |
536 |
0 |
| VCDI |
0 |
3 |
0 |
15 |
89 |
1776 |
3016 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
133714 |
7921 |
45 |
10 |
0 |
0 |
0 |
0 |
| OW |
351 |
5496 |
351 |
474 |
4 |
0 |
0 |
0 |
| VODI |
62 |
2230 |
1086 |
6036 |
717 |
5 |
0 |
0 |
| ODI |
28 |
152 |
55 |
1927 |
13114 |
1569 |
1 |
0 |
| CDI |
33 |
88 |
4 |
140 |
4007 |
10814 |
2607 |
0 |
| VCDI |
0 |
0 |
0 |
29 |
149 |
580 |
944 |
0 |
|
Date: 2024-08-23:
| 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 |
134165 |
10589 |
38 |
52 |
0 |
0 |
0 |
0 |
| OW |
314 |
5080 |
681 |
500 |
4 |
0 |
0 |
0 |
| VODI |
56 |
769 |
894 |
6518 |
565 |
1 |
0 |
0 |
| ODI |
24 |
67 |
1 |
660 |
14369 |
2094 |
0 |
0 |
| CDI |
11 |
12 |
1 |
21 |
2058 |
10470 |
148 |
0 |
| VCDI |
0 |
44 |
0 |
16 |
72 |
1842 |
2607 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
133842 |
8023 |
20 |
21 |
0 |
0 |
0 |
0 |
| OW |
522 |
5525 |
364 |
592 |
37 |
0 |
0 |
0 |
| VODI |
98 |
2635 |
1113 |
5251 |
960 |
24 |
0 |
0 |
| ODI |
73 |
282 |
116 |
1650 |
12270 |
2448 |
0 |
0 |
| CDI |
35 |
55 |
2 |
236 |
3678 |
11571 |
1748 |
0 |
| VCDI |
0 |
41 |
0 |
17 |
123 |
364 |
1007 |
0 |
|
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