Validation of sea ice concentration
Bulletin date: 2015-09-24
Model vs. observations, sea ice class contingency tables
Date: 2015-09-18:
| 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 |
23867 |
4907 |
659 |
377 |
213 |
26 |
0 |
0 |
| OW |
0 |
50 |
83 |
48 |
71 |
15 |
4 |
0 |
| VODI |
0 |
11 |
67 |
84 |
123 |
67 |
8 |
0 |
| ODI |
0 |
2 |
18 |
63 |
168 |
122 |
33 |
0 |
| CDI |
0 |
0 |
3 |
26 |
125 |
271 |
239 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
40 |
203 |
2448 |
2608 |
|
...date precedes bulletin
|
Date: 2015-09-22:
| 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 |
23852 |
4839 |
640 |
472 |
200 |
16 |
3 |
0 |
| OW |
0 |
44 |
64 |
48 |
58 |
15 |
6 |
0 |
| VODI |
0 |
9 |
45 |
62 |
101 |
62 |
5 |
0 |
| ODI |
0 |
0 |
10 |
39 |
99 |
168 |
12 |
0 |
| CDI |
0 |
0 |
0 |
8 |
54 |
418 |
61 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
28 |
327 |
2748 |
2553 |
|
...date precedes bulletin
|
Date: 2015-09-24:
| 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 |
24366 |
4436 |
679 |
364 |
72 |
15 |
1 |
0 |
| OW |
0 |
64 |
67 |
48 |
32 |
19 |
2 |
0 |
| VODI |
0 |
18 |
57 |
79 |
49 |
44 |
6 |
0 |
| ODI |
0 |
2 |
16 |
70 |
79 |
74 |
4 |
0 |
| CDI |
0 |
0 |
4 |
24 |
71 |
327 |
99 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
64 |
396 |
3237 |
2178 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24366 |
4442 |
684 |
369 |
74 |
9 |
0 |
0 |
| OW |
0 |
55 |
61 |
41 |
29 |
22 |
2 |
0 |
| VODI |
0 |
20 |
57 |
82 |
51 |
42 |
8 |
0 |
| ODI |
0 |
3 |
16 |
70 |
73 |
70 |
4 |
0 |
| CDI |
0 |
0 |
5 |
23 |
72 |
273 |
89 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
68 |
459 |
3246 |
2178 |
|
Date: 2015-09-28:
| 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 |
23121 |
5035 |
1205 |
437 |
129 |
55 |
6 |
0 |
| OW |
0 |
17 |
37 |
59 |
54 |
69 |
11 |
0 |
| VODI |
0 |
2 |
22 |
51 |
53 |
96 |
36 |
0 |
| ODI |
0 |
0 |
9 |
19 |
40 |
91 |
52 |
0 |
| CDI |
0 |
0 |
2 |
8 |
37 |
281 |
274 |
2 |
| VCDI |
0 |
0 |
0 |
1 |
17 |
299 |
2709 |
2731 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23121 |
4991 |
1156 |
388 |
112 |
41 |
3 |
0 |
| OW |
0 |
33 |
37 |
54 |
38 |
44 |
9 |
0 |
| VODI |
0 |
19 |
43 |
59 |
46 |
73 |
14 |
0 |
| ODI |
0 |
10 |
21 |
43 |
47 |
77 |
28 |
0 |
| CDI |
0 |
1 |
18 |
27 |
53 |
151 |
122 |
3 |
| VCDI |
0 |
0 |
0 |
4 |
34 |
505 |
2912 |
2730 |
|
Date: 2015-09-30:
| 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 |
23585 |
4922 |
915 |
300 |
203 |
72 |
3 |
0 |
| OW |
0 |
18 |
53 |
67 |
73 |
52 |
8 |
0 |
| VODI |
0 |
6 |
55 |
31 |
75 |
79 |
26 |
0 |
| ODI |
0 |
0 |
20 |
30 |
50 |
114 |
57 |
0 |
| CDI |
0 |
0 |
5 |
12 |
59 |
176 |
182 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
28 |
237 |
2857 |
2691 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23585 |
4916 |
857 |
275 |
192 |
63 |
3 |
0 |
| OW |
0 |
24 |
78 |
54 |
48 |
50 |
7 |
0 |
| VODI |
0 |
5 |
63 |
54 |
68 |
41 |
24 |
0 |
| ODI |
0 |
1 |
38 |
30 |
64 |
73 |
31 |
0 |
| CDI |
0 |
0 |
11 |
30 |
68 |
148 |
88 |
0 |
| VCDI |
0 |
0 |
1 |
3 |
48 |
355 |
2980 |
2691 |
|
Date: 2015-10-02:
| 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 |
23281 |
4827 |
961 |
352 |
242 |
80 |
0 |
0 |
| OW |
0 |
63 |
83 |
47 |
69 |
67 |
4 |
0 |
| VODI |
0 |
7 |
107 |
78 |
41 |
88 |
9 |
0 |
| ODI |
0 |
0 |
9 |
83 |
55 |
95 |
18 |
0 |
| CDI |
0 |
0 |
0 |
46 |
111 |
215 |
138 |
10 |
| VCDI |
0 |
0 |
0 |
3 |
115 |
498 |
2971 |
2294 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23281 |
4841 |
930 |
334 |
222 |
99 |
0 |
0 |
| OW |
0 |
37 |
74 |
74 |
49 |
43 |
1 |
0 |
| VODI |
0 |
18 |
88 |
68 |
62 |
62 |
9 |
0 |
| ODI |
0 |
1 |
39 |
48 |
62 |
79 |
11 |
0 |
| CDI |
0 |
0 |
24 |
47 |
78 |
166 |
82 |
5 |
| VCDI |
0 |
0 |
5 |
38 |
160 |
594 |
3037 |
2299 |
|
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