Validation of sea ice concentration - Full domain
Bulletin date: 2023-09-14
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-11-03:
| 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 |
139554 |
10789 |
40 |
16 |
0 |
0 |
0 |
0 |
| OW |
272 |
3863 |
679 |
481 |
1 |
0 |
0 |
0 |
| VODI |
0 |
450 |
478 |
4149 |
675 |
6 |
0 |
0 |
| ODI |
0 |
14 |
32 |
1762 |
7648 |
2262 |
0 |
0 |
| CDI |
0 |
0 |
0 |
130 |
2865 |
13131 |
1490 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
50 |
3256 |
645 |
0 |
|
...date precedes bulletin
|
Date: 2023-11-05:
| 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 |
139235 |
11036 |
39 |
11 |
1 |
0 |
0 |
0 |
| OW |
281 |
4053 |
580 |
505 |
8 |
0 |
0 |
0 |
| VODI |
0 |
640 |
533 |
3965 |
811 |
3 |
0 |
0 |
| ODI |
0 |
37 |
39 |
1409 |
8990 |
1012 |
1 |
0 |
| CDI |
0 |
1 |
0 |
150 |
3080 |
10886 |
888 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
27 |
4592 |
1921 |
0 |
|
...date precedes bulletin
|
Date: 2023-11-07:
| 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 |
139286 |
12921 |
122 |
89 |
1 |
0 |
0 |
0 |
| OW |
12 |
3091 |
902 |
710 |
17 |
0 |
0 |
0 |
| VODI |
0 |
76 |
207 |
4564 |
1083 |
39 |
0 |
0 |
| ODI |
0 |
15 |
1 |
512 |
9972 |
1293 |
1 |
0 |
| CDI |
0 |
1 |
0 |
8 |
856 |
11979 |
1025 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
8 |
3812 |
2131 |
0 |
|
...date precedes bulletin
|
Date: 2023-11-09:
| 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 |
139769 |
12438 |
94 |
199 |
8 |
0 |
0 |
0 |
| OW |
45 |
3156 |
687 |
723 |
103 |
0 |
0 |
0 |
| VODI |
0 |
216 |
381 |
3960 |
1164 |
112 |
0 |
0 |
| ODI |
0 |
0 |
2 |
713 |
9181 |
2190 |
31 |
0 |
| CDI |
0 |
0 |
0 |
50 |
1258 |
8887 |
2425 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
4031 |
2898 |
5 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
139764 |
12516 |
129 |
225 |
10 |
0 |
0 |
0 |
| OW |
50 |
3055 |
650 |
769 |
122 |
2 |
0 |
0 |
| VODI |
0 |
239 |
385 |
3903 |
1179 |
112 |
1 |
0 |
| ODI |
0 |
0 |
0 |
702 |
9081 |
2290 |
41 |
0 |
| CDI |
0 |
0 |
0 |
46 |
1310 |
8722 |
2407 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
29 |
4094 |
2905 |
5 |
|
Date: 2023-11-11:
| 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 |
141253 |
11048 |
58 |
47 |
1 |
0 |
0 |
0 |
| OW |
35 |
3320 |
706 |
696 |
44 |
0 |
0 |
0 |
| VODI |
2 |
323 |
445 |
3722 |
1076 |
110 |
0 |
0 |
| ODI |
0 |
1 |
12 |
825 |
7501 |
3138 |
36 |
0 |
| CDI |
0 |
0 |
0 |
123 |
1282 |
8765 |
2113 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
2902 |
5132 |
15 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
141255 |
11137 |
92 |
61 |
1 |
0 |
0 |
0 |
| OW |
33 |
3171 |
692 |
804 |
65 |
1 |
0 |
0 |
| VODI |
2 |
384 |
435 |
3661 |
1074 |
112 |
0 |
0 |
| ODI |
0 |
0 |
2 |
778 |
7375 |
3393 |
135 |
0 |
| CDI |
0 |
0 |
0 |
109 |
1376 |
8402 |
2147 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
25 |
3007 |
4999 |
15 |
|
Date: 2023-11-13:
| 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 |
140066 |
13154 |
51 |
128 |
0 |
0 |
0 |
0 |
| OW |
22 |
2345 |
964 |
534 |
5 |
0 |
0 |
0 |
| VODI |
3 |
26 |
87 |
3970 |
475 |
9 |
0 |
0 |
| ODI |
0 |
0 |
0 |
343 |
6523 |
239 |
3 |
0 |
| CDI |
0 |
0 |
0 |
8 |
1207 |
12631 |
237 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
2 |
3120 |
8496 |
91 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
140059 |
11769 |
76 |
169 |
0 |
0 |
0 |
0 |
| OW |
30 |
3290 |
635 |
915 |
88 |
0 |
0 |
0 |
| VODI |
2 |
455 |
383 |
3268 |
1427 |
109 |
0 |
0 |
| ODI |
0 |
11 |
8 |
505 |
5319 |
4200 |
134 |
0 |
| CDI |
0 |
0 |
0 |
125 |
1373 |
9154 |
2070 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
5 |
2536 |
6532 |
91 |
|
Date: 2023-11-15:
| 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 |
140012 |
12833 |
154 |
50 |
0 |
0 |
0 |
0 |
| OW |
42 |
2437 |
836 |
705 |
4 |
0 |
0 |
0 |
| VODI |
1 |
81 |
247 |
3299 |
734 |
11 |
1 |
0 |
| ODI |
0 |
1 |
3 |
600 |
5137 |
822 |
10 |
0 |
| CDI |
0 |
0 |
1 |
31 |
2201 |
10945 |
1409 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
10 |
4637 |
7488 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
140012 |
11358 |
111 |
64 |
0 |
0 |
0 |
0 |
| OW |
43 |
3396 |
668 |
925 |
48 |
0 |
0 |
0 |
| VODI |
0 |
585 |
452 |
2975 |
1576 |
62 |
0 |
0 |
| ODI |
0 |
12 |
9 |
626 |
4968 |
3469 |
59 |
0 |
| CDI |
0 |
1 |
1 |
94 |
1491 |
9392 |
2980 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
3 |
3492 |
5869 |
0 |
|
Date: 2023-11-17:
| 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 |
139608 |
12843 |
159 |
126 |
2 |
0 |
0 |
0 |
| OW |
46 |
2249 |
693 |
995 |
97 |
6 |
0 |
0 |
| VODI |
0 |
126 |
284 |
2420 |
1181 |
214 |
6 |
0 |
| ODI |
0 |
0 |
1 |
652 |
3876 |
1214 |
53 |
0 |
| CDI |
0 |
0 |
1 |
49 |
1398 |
9790 |
2871 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
2848 |
10588 |
342 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
139615 |
11465 |
128 |
183 |
0 |
0 |
0 |
0 |
| OW |
39 |
3020 |
581 |
1175 |
188 |
5 |
0 |
0 |
| VODI |
0 |
696 |
392 |
2044 |
1838 |
306 |
8 |
0 |
| ODI |
0 |
37 |
35 |
632 |
3221 |
2184 |
162 |
0 |
| CDI |
0 |
0 |
2 |
208 |
1309 |
9873 |
5797 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
1704 |
7551 |
342 |
|
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