Validation of sea ice concentration
Bulletin date: 2016-06-30
Model vs. observations, sea ice class contingency tables
Date: 2016-06-24:
| 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 |
18067 |
7303 |
1280 |
1602 |
692 |
198 |
146 |
9 |
| OW |
0 |
58 |
38 |
200 |
251 |
218 |
58 |
0 |
| VODI |
0 |
5 |
23 |
93 |
201 |
380 |
217 |
2 |
| ODI |
0 |
0 |
1 |
20 |
70 |
262 |
427 |
4 |
| CDI |
0 |
0 |
0 |
7 |
29 |
272 |
1153 |
178 |
| VCDI |
0 |
0 |
0 |
4 |
2 |
0 |
1269 |
3420 |
|
...date precedes bulletin
|
Date: 2016-06-28:
| 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 |
19104 |
8073 |
1140 |
986 |
314 |
102 |
158 |
13 |
| OW |
0 |
2 |
69 |
190 |
212 |
89 |
62 |
0 |
| VODI |
0 |
1 |
28 |
104 |
226 |
219 |
138 |
2 |
| ODI |
0 |
0 |
3 |
31 |
209 |
297 |
455 |
1 |
| CDI |
0 |
0 |
2 |
6 |
35 |
149 |
1468 |
324 |
| VCDI |
0 |
0 |
0 |
2 |
2 |
2 |
905 |
3036 |
|
...date precedes bulletin
|
Date: 2016-06-30:
| 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 |
19349 |
7790 |
965 |
1443 |
383 |
59 |
161 |
13 |
| OW |
0 |
7 |
53 |
194 |
235 |
46 |
63 |
0 |
| VODI |
0 |
1 |
10 |
97 |
389 |
188 |
132 |
2 |
| ODI |
0 |
0 |
1 |
24 |
225 |
251 |
311 |
1 |
| CDI |
0 |
0 |
0 |
3 |
23 |
139 |
1563 |
491 |
| VCDI |
0 |
0 |
0 |
2 |
2 |
1 |
624 |
2918 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19349 |
7791 |
982 |
1458 |
427 |
58 |
174 |
13 |
| OW |
0 |
6 |
37 |
177 |
201 |
40 |
43 |
0 |
| VODI |
0 |
1 |
9 |
97 |
407 |
211 |
154 |
2 |
| ODI |
0 |
0 |
0 |
27 |
201 |
243 |
339 |
1 |
| CDI |
0 |
0 |
1 |
2 |
19 |
130 |
1570 |
440 |
| VCDI |
0 |
0 |
0 |
2 |
2 |
2 |
574 |
2969 |
|
Date: 2016-07-04:
| 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 |
21232 |
6729 |
1012 |
834 |
375 |
111 |
163 |
13 |
| OW |
0 |
17 |
48 |
103 |
135 |
68 |
41 |
0 |
| VODI |
0 |
12 |
24 |
123 |
166 |
194 |
155 |
6 |
| ODI |
0 |
2 |
0 |
45 |
86 |
234 |
624 |
13 |
| CDI |
0 |
1 |
0 |
4 |
1 |
36 |
1811 |
625 |
| VCDI |
0 |
0 |
0 |
2 |
0 |
0 |
237 |
2877 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21232 |
6732 |
1030 |
868 |
394 |
144 |
189 |
13 |
| OW |
0 |
21 |
44 |
115 |
205 |
116 |
72 |
0 |
| VODI |
0 |
5 |
10 |
80 |
128 |
263 |
384 |
11 |
| ODI |
0 |
2 |
0 |
42 |
34 |
80 |
554 |
12 |
| CDI |
0 |
1 |
0 |
1 |
2 |
40 |
1716 |
853 |
| VCDI |
0 |
0 |
0 |
5 |
0 |
0 |
116 |
2645 |
|
Date: 2016-07-06:
| 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 |
21703 |
6744 |
950 |
598 |
314 |
154 |
172 |
12 |
| OW |
0 |
4 |
60 |
107 |
118 |
99 |
61 |
0 |
| VODI |
0 |
2 |
21 |
77 |
173 |
302 |
216 |
2 |
| ODI |
0 |
1 |
2 |
18 |
61 |
202 |
600 |
6 |
| CDI |
0 |
1 |
0 |
5 |
5 |
48 |
1676 |
577 |
| VCDI |
0 |
0 |
0 |
2 |
0 |
0 |
322 |
2744 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21703 |
6722 |
968 |
625 |
362 |
188 |
210 |
12 |
| OW |
0 |
23 |
50 |
103 |
114 |
185 |
116 |
0 |
| VODI |
0 |
4 |
13 |
52 |
144 |
252 |
356 |
6 |
| ODI |
0 |
2 |
2 |
19 |
43 |
133 |
510 |
7 |
| CDI |
0 |
1 |
0 |
4 |
8 |
47 |
1801 |
961 |
| VCDI |
0 |
0 |
0 |
4 |
0 |
0 |
54 |
2355 |
|
Date: 2016-07-08:
| 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 |
22338 |
6962 |
613 |
416 |
144 |
52 |
157 |
12 |
| OW |
0 |
17 |
50 |
135 |
127 |
106 |
67 |
0 |
| VODI |
0 |
3 |
20 |
70 |
211 |
377 |
213 |
2 |
| ODI |
0 |
0 |
2 |
31 |
117 |
217 |
450 |
1 |
| CDI |
0 |
0 |
0 |
3 |
12 |
90 |
1792 |
736 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
156 |
2460 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22338 |
6950 |
620 |
469 |
219 |
108 |
213 |
12 |
| OW |
0 |
30 |
45 |
83 |
146 |
239 |
102 |
0 |
| VODI |
0 |
1 |
17 |
52 |
138 |
255 |
324 |
2 |
| ODI |
0 |
1 |
2 |
38 |
82 |
129 |
450 |
1 |
| CDI |
0 |
0 |
1 |
9 |
23 |
77 |
1507 |
1022 |
| VCDI |
0 |
0 |
0 |
4 |
3 |
34 |
239 |
2174 |
|
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