Validation of sea ice concentration
Bulletin date: 2013-08-01
Model vs. observations, sea ice class contingency tables
Date: 2013-07-26:
| 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 |
22353 |
6036 |
1833 |
824 |
125 |
42 |
38 |
0 |
| OW |
0 |
28 |
83 |
202 |
142 |
46 |
37 |
0 |
| VODI |
0 |
4 |
18 |
100 |
178 |
162 |
118 |
0 |
| ODI |
0 |
0 |
4 |
26 |
48 |
245 |
967 |
0 |
| CDI |
0 |
0 |
0 |
2 |
6 |
218 |
964 |
117 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
2 |
617 |
1832 |
|
...date precedes bulletin
|
Date: 2013-07-30:
| 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 |
23207 |
6030 |
1044 |
806 |
233 |
53 |
32 |
0 |
| OW |
0 |
14 |
41 |
205 |
102 |
35 |
32 |
0 |
| VODI |
0 |
3 |
13 |
131 |
131 |
131 |
52 |
0 |
| ODI |
0 |
0 |
1 |
25 |
105 |
215 |
241 |
0 |
| CDI |
0 |
0 |
0 |
1 |
21 |
331 |
778 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
154 |
1343 |
1909 |
|
...date precedes bulletin
|
Date: 2013-08-01:
| 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 |
24165 |
5428 |
961 |
629 |
172 |
38 |
44 |
0 |
| OW |
0 |
33 |
59 |
207 |
75 |
23 |
29 |
0 |
| VODI |
0 |
8 |
14 |
114 |
196 |
105 |
51 |
0 |
| ODI |
0 |
0 |
3 |
31 |
93 |
192 |
222 |
0 |
| CDI |
0 |
0 |
0 |
1 |
14 |
407 |
843 |
48 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
134 |
1327 |
1753 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24165 |
5462 |
1018 |
842 |
276 |
66 |
75 |
0 |
| OW |
0 |
3 |
11 |
51 |
60 |
33 |
18 |
0 |
| VODI |
0 |
4 |
5 |
55 |
92 |
68 |
53 |
0 |
| ODI |
0 |
0 |
2 |
27 |
96 |
153 |
127 |
0 |
| CDI |
0 |
0 |
1 |
7 |
26 |
468 |
1007 |
51 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
111 |
1236 |
1750 |
|
Date: 2013-08-05:
| 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 |
23890 |
5276 |
1666 |
460 |
135 |
54 |
27 |
0 |
| OW |
0 |
51 |
22 |
136 |
97 |
20 |
12 |
0 |
| VODI |
0 |
5 |
6 |
90 |
199 |
102 |
17 |
0 |
| ODI |
0 |
0 |
0 |
12 |
85 |
200 |
142 |
0 |
| CDI |
0 |
0 |
0 |
3 |
14 |
225 |
575 |
30 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
118 |
1926 |
1821 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23890 |
5304 |
1687 |
600 |
270 |
111 |
56 |
0 |
| OW |
0 |
18 |
3 |
42 |
69 |
44 |
11 |
0 |
| VODI |
0 |
10 |
2 |
40 |
95 |
76 |
38 |
0 |
| ODI |
0 |
0 |
2 |
12 |
83 |
170 |
111 |
0 |
| CDI |
0 |
0 |
0 |
6 |
16 |
277 |
1436 |
117 |
| VCDI |
0 |
0 |
0 |
1 |
0 |
41 |
1047 |
1734 |
|
Date: 2013-08-07:
| 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 |
23483 |
6059 |
1435 |
471 |
96 |
19 |
15 |
0 |
| OW |
0 |
7 |
36 |
114 |
97 |
22 |
9 |
0 |
| VODI |
0 |
2 |
7 |
80 |
161 |
106 |
15 |
0 |
| ODI |
0 |
1 |
10 |
19 |
77 |
185 |
92 |
0 |
| CDI |
0 |
0 |
1 |
6 |
36 |
309 |
575 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
140 |
1924 |
1796 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23483 |
6038 |
1436 |
557 |
259 |
102 |
32 |
0 |
| OW |
0 |
11 |
16 |
50 |
61 |
48 |
5 |
0 |
| VODI |
0 |
13 |
15 |
40 |
64 |
101 |
36 |
0 |
| ODI |
0 |
4 |
8 |
20 |
54 |
170 |
105 |
0 |
| CDI |
0 |
3 |
13 |
23 |
34 |
326 |
1619 |
313 |
| VCDI |
0 |
0 |
1 |
0 |
9 |
34 |
833 |
1483 |
|
Date: 2013-08-09:
| 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 |
21255 |
6946 |
1070 |
1242 |
422 |
325 |
146 |
0 |
| OW |
0 |
4 |
36 |
87 |
68 |
55 |
84 |
0 |
| VODI |
0 |
0 |
16 |
77 |
77 |
79 |
125 |
0 |
| ODI |
0 |
0 |
2 |
38 |
72 |
72 |
191 |
0 |
| CDI |
0 |
0 |
0 |
26 |
88 |
226 |
768 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
277 |
1569 |
1963 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21255 |
6950 |
1111 |
1397 |
528 |
384 |
252 |
0 |
| OW |
0 |
0 |
8 |
19 |
47 |
41 |
60 |
0 |
| VODI |
0 |
0 |
4 |
23 |
55 |
69 |
110 |
0 |
| ODI |
0 |
0 |
1 |
26 |
60 |
75 |
196 |
0 |
| CDI |
0 |
0 |
0 |
5 |
50 |
463 |
1847 |
438 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
418 |
1525 |
|
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